Fuel Module Service - ACDelco TechConnect
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1. A new fuel module service kit for several full size GM trucks and SUVs features a number of enhancements that Improve the durability and perfor mance of the fuel module The fuel module kit ACDelco part number MU1516 GM part number 19121626 has been designed for 1999 2003 Chevrolet Silverado 1500 and GMC Sierra 1500 models and 2000 2003 Chevrolet Tahoe and Suburban 1500 and GMC Yukon and Yukon XL 1500 models The enhanced kit includes the fuel module fuel module tank seal GT 280 connector fuel pump fuse four weather resistant splices and an instruction sheet Compared with the previous fuel module technicians will notice that the new module has a different level sensor and wiper arm along with a different connector When replacing the fuel module the new connector will need to be spliced into the truck wiring harness An erratic fuel gauge is one of the conditions found on the affected trucks There are two items that may cause the irregular fuel gauge read ings poor electrical contact and a contaminated ceramic card in the sensor of the fuel module The sheet metal fingers used for electrical contact on the wiper arm of the sensor may be prone to wear In the new module these fingers have been replaced with buttons that have a much thicker wear surtace providing greater durability continued on page 2 Fuel Module Service m Air2. INSTALL INBOARD is stamped on the bottom of the upper ball joint at a right angle to the large flat on the ball joint housing Install the ball joint with the INSTALL INBOARD facing the engine com partment Control arm assembly with ball joint Also look closely at the ball joint housing and stud Because the ball joint is a directional type the swing angle of the ball joint stud is limit ed in its range of motion inboard to outboard INSTALL INBOARD is stamped on the bottom of upper ball joint Incorrect installation may damage the ball joint and cause premature failure Thanks to Dennis Kissack Wipers Although climates vary wipers generally need replacing every six months Lighting Check for properly operating exterior and interior lighting Fuel Saving Tips Vehicle gas caps Damaged loose or missing gas caps cause millions of gallons of gas to vaporize every year Underinflated tires When tires aren t inflated properly it s like driving with the parking brake on and can cost a mile or two per gallon Worn spark plugs A worn or dirty spark plug causes mistfir ing which wastes fuel Dirty air filters A clogged air filter chokes off the air and creates a rich fuel mixture which wastes gas and causes the engine to lose power New ACDelco Image Graphics Available ACDelco has expanded their building graphic elements to provide TSS service centers with a new mod
3. Dependent Winners The five dependents of TSS service center owners who have won 3 000 scholarships are e Kimberly Grove Hummelstown Pa sponsored by Grove Motors Inc Middletown Pa e Richard Larcom Jr Tampa Fla sponsored by Ed Larcom s Garage Inc Tampa Fla e Ryan Williams Chanhassen Minn sponsored by Bobby amp Steve s Auto World Minneapolis Minn Bradley Willson Kerrville Texas sponsored by Central Automotive Kerrville Texas Garett Wolfe Missoula Mont sponsored by Mike Wolfe Service Wenatchee Wash 2006 Scholarship Application Information e Application deadline Scholarship applications must be received by Oct 15 2006 e Applicants are required to 15 x 30 wall stripe border graphic Submit their official high school transcripts Write an essay about their back ground and future plans in automo tive service Provide a letter of recommendation The TSS Advisory Council reviews the essays along with applications when selecting the recipients All applicants are required to have a high school diploma or its equivalent Dependent applicants must be enrolled in college full time e Technician applicants may attend college on a part time basis e Bonus consideration is given to those seeking professions in the automotive field although it is not a requirement For more information about the TSS educational scholarship program s requireme
4. Replacement Severe damage has been found on the upper control arms stamped steel versions of several GM trucks due to the ball joint hole being stretched out of round during the process of removing the worn upper ball joint This condition may apply to 1996 2006 Cadillac Escalade ESV Chevrolet Avalanche 3 4 ton model Chevrolet Suburban 3 4 ton model Chevrolet Silverado 1 2 ton HD 3 4 ton and 1 ton models Chevrolet Express Cab Hummer H2 GMC Sierra 1 2 ton HD 3 4 ton and 1 ton models and GMC Yukon XL In order to avoid premature ball joint wear or control arm failure due to improper installation the ACDelco upper ball joint ACDelco part number 45D0104 must have the ball joint housing properly indexed to the existing control arm prior to being pressed in Removal and Inspection The stamped steel upper control arm may be stretched out of round when removing the worn upper ball joint The control arm hole may measure as much as 0 018 inches larger than the original size Inspect the old ball joint housing prior to removal from the con trol arm to determine if excessive wear has caused the control arm hole to become elongated Inspect ball joint housing for excessive wear Pressing out an old ball joint with a damaged housing typically enlarges the control arm hole The expanded hole does not allow for an ade quate mechanical bond between the new ball Check hole diameter for elongation
5. Road Trip Readiness As summer nears many families are getting ready for their annual road trip A pre trip vehicle checkup can help ensure vaca tion plans don t end up sidetracked by a mechanical breakdown An added benefit is that a properly maintained vehicle achieves the best possible fuel economy The Car Care Council suggests sharing these tips with your customers before they take a trip Pre Trip Checkup Fluids Check the coolant antifreeze engine oil power steering brake transmission and windshield washer fluids Belts and hoses A belt that fails can affect many systems Cooling system hoses may be deteriorating from within so carefully inspect hoses and clamps in marginal condition Tires Check tire inflation and inspect the tread for uneven wear bulges and bald spots joint housing and the control arm resulting in the ball joint not being held securely in place Excessive corrosion or hammering or pressing the old ball joint out at an angle also may damage the control arm The hole diameter specification is 45 825mm 0 025mm or 1 804 inches 0 001 Inches Control arm holes that show any signs of wear fatigue an oblong shape or other damage must be replaced Repair and Installation ACDelco now offers a complete control arm assembly ACDelco part num ber 45D1088 with the ball joint installed If only the ball joint requires replace ment it must be properly indexed to the control arm
6. systems with special needs require that techni clans update their skills to avoid costly repair or safety issues Legal issues regarding environmental items in several U S states and Canadian provinces carry fines that could significantly affect the pocketbook of both technicians and service center owners Worldwide the global cost of refrigerant has become a hot commodity Updates on availability costs and alter nate refrigerants are reviewed in the seminar Find out what U S Asian and European manufacturers are developing for the near future The seminar also covers new special ized tools and repair parts that are designed to perform repairs faster and at a lower cost while offering the same or higher quality and reliability Obtaining technical information takes time A concentrated 2 3 hour invest ment of your time to obtain a current synopsis of the A C industry tools techniques and regulations is a small investment that many have found greatly pays for itself within the first few cus tomers of the air conditioning season Check with your local WD to deter mine when the Emerging HVAC Technology and Service Issues seminar will be held in your area Thanks to Jim Resutek 2006 Technician of the Millennium Phase II Winners U S regional semi finalists include Millennium IV Regional Semi Finals Up Next OF The The 2006 Technician of the Millennium Phase II winners are gearing up for the _ regi
7. Conditioning Service Seminar Technician of the Millennium IV Regional Semi Finals Upper Ball Joint Replacement Road Trip Readiness lt ssa ACDelco Image Graphics TSS Scholarship Winners 33 Brake Bucks Promotion Adds Direct Mail Campaign Sports Report Tech Tips TES Professional ACDelco Batteries GM Service Information for WIP Users Fuel Module Service continued from page 1 In addition the sensor s ceramic card features a conductive ink Strip that uses a small per centage of silver metal The silver in the ink strip is susceptible to sulfur contami nation found in the fuel To reduce the chance of cont amination the ink strip now uses noble metal which is a group of metals not affected by sulfur To aid with identification the wiper arm of the new level sensor is gray instead of black Electrical Connections The chassis electrical connector is the interface between the truck wiring harness and the fuel module The original module is equipped with a 2x2 Metri Pack 150 electrical con nector on the top of the fuel module Over time this connector may develop excessive electrical resis tance due to fretting and or incorrect diagnostic probing of the terminals leading ultimately to connector failure Fretting is a microscopic rubbing motion between the terminal pins in a connector usually caused by vib
8. Submission of materials implies the right to edit and publish Inclusion in the publi cation is not necessarily an endorsement of the individual or the company TechConnect is published for ACDelco by Sandy Corporation Troy MI 2006 ACDelco All rights reserved Air Conditioning Service What You Don t Know May Cost You Investing your time in training seminars in this day and age involves a trade off for many techni clans and service center owners Time is a commodity in short supply and attending a two or three hour training session on your own time requires an answer to the age old question What s in it for me ACDelco understands this question as well as the high value of time in the service center Technicians and service center owners need information about service issues that will provide them with numerous returns in their daily work of servicing customers while at Technician of the the same time providing a respectable return for that work To meet this need the ACDelco Emerging HVAC Technology and Service Issues seminar SS AC 01 04 was revised for 2006 to provide concise service tips to help locate and repair air conditioning problems quickly and correctly the first time A C Systems Changing The automotive air conditioning OEM industry has been moving quickly these past few years The release of hybrid vehicles with unique A C system require ments and enhanced R 134a
9. The free replacement limited warranty period for ACDelco 6 year batteries has increased from 18 months to 30 BEST IN QUALITY Emra Wee nm eem r ee REAL CAR GUYS KNOW 40 mien The free replacement limited warranty period for ACDelco e 100 electrical short tested e 100 current tested to ensure Internal welds There is no difference in quality performance or application coverage ACDelco batteries continue to be the Original Equipment product installed in GM vehicles Some of the GM OE batteries to share this new look are the 86 6YR found in the Chevrolet Corvette and the 90 6YR installed in the Chevy Cobalt GM Service Information Subscription for WIP Users additional charge In order to participate in the promotion service centers must be a registered WIP user and meet the purchase requirements GM Service Information is available to TSS service centers as an Internet based subscription service The Service Information can help technicians with diagnostic and repair information on GM vehicles including e Vehicle diagnostic and service repair manuals for GM vehicles from 1998 to present e Campaigns Service Bulletins and Preliminary Information for GM vehicles from 1980 to present e GM Owner s Manuals and Glove Box Supplements from 2003 to present Now this information is available at no charge to ACDelco WISE Internet Parts WIP users WIP is a Web based application that lets ACDelco customers chec
10. eform the terminals and cause a poor connection Thanks to Charley Gipe ACDelco a E E E I E _ 1 EL_ HEL 2 2 OSs e eee Lae ACDelco TechConnect is published bi monthly for retail technicians to provide timely service information increase knowledge and improve the performance of the TSS service center Publisher Dennis Kissack ACDelco E mail lt dennis c kissack gm com Editor Mike DeSander ACDelco E mail lt mike desander gm com Technical Editors Mark Spencer E mail lt Mark_D_Spencer adp com Jim Horner E mail lt Jim_Horner adp com Production Manager Marie Meredith Desktop Publishing Supreme Graphics Inc E mail lt supremeinc supremeg com Write to ACDelco TechConnect P O Box 500 Troy MI 48007 0500 On the Web acdelcotechconnect com ACDelco service tips are intended for use by professional technicians not a do it yourselfer They are written to inform those technicians of conditions that may occur on some vehicles or to provide information that could assist in the proper service of a vehicle Properly trained tech nicians have the equipment tools safety instructions and know how to do a job properly and safely If a condition is described it cannot be assumed that the information applies to all vehicles or that all vehicles will have that condition All materials and programs described in this magazine are subject to change
11. ern look that will build upon ACDelco s premium automotive parts brand image and help enhance the service center s image The new graphics have been designed using the familiar ACDelco red white and blue color scheme while incorporating an updated appear ance that matches ACDelco merchandising Vehicle Graphics In addition to the updated building graphics the vehicle graphics are now available at new reduced prices Vehicle graphic elements include e Van amp Minivan Kit ACDelco logos and customer I D kits with decals e Pickup amp Short Bed Pickup Kit ACDelco logos and customer I D kits with Store Hours Mon Sam Bpm Thu E am 8 pm Tue Gam Bpm Fri 8am 8pm Wed Gam Gpm Sal 8 am 7 pm Sun am 6 pm AC Delco 3 x 12 store hours with numbers graphic materials Building Graphics The updated building graphics can be purchased individually or as kits The three kits are Kit 1 Office Retail Area Kit Kit 2 Full Shop Kit Kit 3 Premium Kit with on site consultation The graphic elements Include e Counter graphic e Vall stripe border graphic e Store hours with numbers graphic e Service bay door graphic e Enter exit sign e Tire wrap Installation service is included when purchased as a kit and is recommended for all elements TSS Scholarship Winners ACDelco is pleased to announce the winners of the 2005 TSS educational scholarship program For the seventh consecut
12. feel this instantaneous con dition for a very short time just after hitting the road irregularity The steering system will then return to its normal performance Do not replace the steering gear for this condition Refer to the diagnostic chapters in the service manual and check the steering gear performance If the steering gear is performing according to specification install a steer ing damper Ford introduced the steering damper on these trucks to help reduce wheel fight possibility and help control the steering linkage Refer to Ford technical bulletin 03 17 4 for installation procedures and additional information Electro Viscous Fan Clutch Characteristics 2002 06 Chevrolet TrailBlazer GMC Envoy Oldsmobile Bravada Buick Rainier and Saab 9 7X with the 4 2L I6 or 5 3L V8 engine 2002 06 Chevrolet TrailBlazer GMC Envoy Oldsmobile Bravada Buick Rainier and Saab 9 7X SUVs with either the inline 6 or V8 engines are equipped with an electro viscous EV fan clutch Specific operating characteristics and diagnostic information are available in the Service Information and on your scan tool For example the scan tool data list shows requested and actual EV fan clutch speeds The requested fan speed can be much higher than what is shown for actual fan speed If this is misunderstood it can lead to replacement of the fan clutch when in fact it is operating as intended The requested fan speed is the high est desi
13. he following tables include the color of each blunt cut wire and its purpose Four Wire Harness Trailer Brake Controller Black Ground Red White Stripe Fused battery Dark Blue Trailer brake feed Light Blue Fused stop lamp CHMSL Seven Wire Harness Trailer Light Brake Wires Light Green Back up lamps Brown Parking lamps Yellow Left stop lamp and turn signal Dark Green Right stop lamp and turn signal Dark Blue Electric trailer brakes Orange Trailer accessory White heavy gage Ground wire Steering Column Squeaks A squeaking sound coming from the steering column area when the steering wheel is turned on vehicles with rack and pinion steering may be caused by a dry rack seal To correct this condition pull the rack boot off of the side that is squeaking and spray the seal with penetrating lubricant This should eliminate the noise If the noise persists and you are sure that the seal is at fault replace the seal Before installing the new seal lubricate the seal lips with grease Make sure that the boot is properly located before reinstalling the boot and clamp Intermittent Steering Assist 1999 2004 Ford F350 F450 F550 Owners of some 1999 2004 Ford F350 F450 F550 trucks may notice that the steering wheel feels intermittently stiffer after driving over potholes or bumps in the road The combination of steering geometry vehicle loads potholes and or road bumps may cause this condition The driver could
14. ive year ACDelco has awarding 10 nationwide scholarships to help techni clans and the dependents of TSS service center owners pursue their careers in the automotive service industry The scholar ships will help cover the cost of college tuition and books Technician Winners The five technicians who have won 2 500 scholarships are e John Latuso Northport N Y sponsored by Freidank Automotive Greenlawn N Y e James Sarros Okeechobee Fla sponsored by Autoworks Service Center Okeechobee Fla sponsored by Bobby amp Steve s Auto World Minneapolis Minn Virginia Tompkins Trussville Ala sponsored by Auto amp Truck Services Inc Birmingham Ala Nicholas Stremer Minneapolis Minn decals All elements in the kits also can be purchased individually Recognizable easy to read signs Quality Parts ACDelco 24 x 99 service bay door graphic and graphics are an important part of a business image ACDelco s well known brand tells potential customers that your service center installs quality automotive parts they can trust Plus the graphics tie the service center into ACDelco s extensive national advertising programs For more details about the ACDelco graphics and other ACDelco Image items contact your local ACDelco sales representative or visit acdelcotechconnect com Thanks to Kim Lukas e Joshua Wagner Mexico N Y spon sored by Dick s Auto of Pulaski N Y
15. k inventory and order parts online anytime from WISE enabled ACDelco Warehouse Distributors providing fast parts access and comprehensive parts cataloging WIP Offers More Along with the no charge Service Information offer WIP has been expanded with additional language options all of which is designed to Qualifying WIP users who purchase 3 000 of ACDelco products within a calendar month will receive the Service Information the following month at no TS PU 0003 06 8 7 year batteries previously 24 months is now 50 months A number of studies indicate that the free replacement warranty period is an important consideration for consumers when purchasing a battery Extending the free replacement limited warranty on the Professional 6 year and 7 year batteries is yet another reason to choose ACDelco ACDelco Professional batteries are available for a wide variety of applications from small passenger vehicles to SUVs help make service center owners and technicians jobs easier Now available in Spanish and French the WIP electronic parts catalog and ordering program offers greater efficien cies saving Spanish and French speak ing technicians and counter persons time translating information and helping reduce potential errors due to language barriers The WIP screens can be displayed in English Spanish or French by clicking on the Tools tab from the main screen and selecting the language preferred An
16. nts selection criteria and submission deadlines contact your ACDelco representative or visit acdelcotechconnect com To download a scholarship application from the website click on the links to Total Service Support Employee Retention and then Scholarships Thanks to Dan Carter 2006 Brake Bucks Promotion Adds Direct Mail Campaign The 2006 DuraStop Brake Bucks pro motion will be supported by a targeted consumer direct mail campaign to drive more business to your service center The 2006 Brake Bucks Consumer Rebate Promotion will begin June 1 2006 and run through July 31 2006 The con sumer rebate offers savings of 10 per axle with a 20 per vehicle maximum cash back The promotion also includes Winner s Circle game cards for Undercar product purchases from participating ACDelco distributors along with the chance to win a trip to the Bob Bondurant School of High Performance Driving in Phoenix Ariz One TSS account in each ACDelco Zone territory will win a trip based on sales of ACDelco DuraStop and Original Equipment brake products The Brake Bucks promotion will be supported by a consumer direct mail program run in conjunction with MechanicNet Customer Retention System CRS MechanicNet CRS has the ability to integrate with over 120 shop management systems SMS to retrieve repair order information to best identify which consumers within your shop database are most likely to require brake service during the pr
17. omotional period Once your high potential customers are Identified MechanicNet will mail the 2006 ACDelco Brake Bucks Consumer Rebate Postcards up to 250 personal ized postcards After the postcards are mailed MechanicNet will track who the postcards were mailed to and will begin reporting your Return on Investment ROI OFFER ere mir STOPPING a aa D REAL CAR GUTS KNOY Aineias Brake Bucks postcard Promotion Requirements To participate in the MechanicNet por tion of the promotion service centers will be required to pay via credit card EY Rewards is accepted a 50 licensing fee waived for active MechanicNet CRS subscribers at the time of promotion MechanicNet is available only to TSS accounts that meet qualification require ments which include e Be an active U S TSS member e Write repair orders on a compatible computerized shop management system SMS e Have connectivity to dial up or high speed Internet access from SMS system e Have virus and firewall software already installed e Have at least 2 megs of disk space available on hard drive of SMS computer SMS or DOS SMS must be running on a Windows computer Brake Bucks Promotional Alternatives Service Centers that do not qualify to participate with MechanicNet may contact RJ Conlin a TSS preferred vendor for traditional direct mail services using the Brake Bucks promotional post card Visit acdelcotechconnect com fo
18. on Raceway 2006 Driver Standings Points After 9 of 35 races 1 Kevin Harvick 1469 2 Clint Bowyer 1180 Harold Martin got off to a rocky start in the 2006 IHRA Pro Modified Series season He had trouble getting down the dragstrip at the Spring Nationals in Rockingham N C and did not run in the elimination rounds The 2006 Pro Modified Series heads north in June to the Canadian Nationals in Grand Bend Ontario and the Rocky Mountain Nationals in Edmonton Alberta 2006 Driver Standings Points After 1 of 11 races 1 Glen Kerunsky 119 25 Harold Martin 15 Kurt Johnson made it to the winners circle at the SummitRacing com Nationals in Las Vegas recently Johnson 6 842 202 42 beat out Dave Connolly 6 874 202 00 for the win It was the 62nd final round of his career Before matching up with Connolly in the finals Johnson eliminated three tough competi tors In Mike Edwards Erica Enders in the second round and Jason Line in the semifinals Johnson hopes to continue his winning ways as the 2006 season schedule heads on to the Southern Nationals in Atlanta Ga and the Pontiac Performance Nationals in Columbus Ohio in May 2006 Driver Standings Points After 5 of 23 races 1 Greg Anderson 369 10 Kurt Johnson 22 6 Bassmaster Tournament Trail kicked off with the Southern Sprint in March The tour features 11 stops scheduled in four sections around the country The Southern Sprint The Tu
19. onal semi finals taking place May 8 12 In February the top five scoring techni cians on the Internet based test in each A of the ACDelco Regions advanced to the awe Regional Semi Finals which will be held 200 at the GM Heritage Center in Sterling Heights Mich The Phase III Regional Semi Finals is a hands on technical skills competition Semi finalists from the same region will compete against each other Winners will be announced immediately after the competition Finals at the ACDelco National Convention The regional winners will be off to Las Vegas for the National Hands on Finals that will take place during the ACDelco National Convention in October The best of the best ACDelco technicians will put their knowledge and skill on the line The technician who demonstrates the greatest professionalism and accuracy in diagnosing and repairing actual vehicles during the timed hands on technical skills finals will be the next Technician of the Millennium The grand prize for the National Finals winner includes a 2006 GM vehicle Interior Exterior Image Enhancement for the TSS service center a Winning Adventure trip for the winner and a guest and the TSS shop owner and a guest and a commemorate trophy ACDelco wishes all of the contestants the best of luck Thanks to Todd Dawn Western Region William Edelbrock Ron s Automotive Clinic Inc Long Beach Calif Richard McLellan Chri
20. r more details about the RJ Conlin promotional offer or contact RJ Conlin at 1 800 246 9177 Service centers that would like to mail postcards using their own database may print a PDF image of the postcard and mail according to their own preferences Visit acdelcotechconnect com for the PDF postcard image Keep in mind that ACDelco is not responsible for any fees associated with these Brake Bucks promotional alterna tives Thanks to Malcolm Fordyce ACDelco Sports Report NASCAR Busch IHRA Torco NHRA Series Stock Racing Fuels POWERade Car Racing Pro Modified Pro Stock Driver Series Drag panas Drag Clint Bowyer Aang acing Car 2 Ch river j ene ce lt Harold Martin Kurt Johnson Richard Childress Racing Car Pontiac Grand Am Car Chevy Cobalt CITGO BASSMASTER Tournament Trail Angler Jimmy Houston The 2006 CITGO ae i i O Clint Bowyer continues to stay on the heels of the leader in the NASCAR Busch Series He finished a close second to Kevin Harvick in the Pepsi 300 at the Nashville Speedway Harvick took the lead with 52 laps to go and didn t look back Bowyer challenged late in the race after a caution flag but couldn t quite catch Harvick trailing by only 0 504 seconds at the finish line For the 2006 season Bowyer has driven the 2 ACDelco car to two top 5 finishes and three top 10s In May the series moves on to Richmond International Raceway and the Darlingt
21. ration and electrical harness move ment The result is that oxidized debris corrosion can build up in the terminals causing the high resistance or a loss of continuity Metri Pack 150 connector on module The gray Metri Pack 150 connector has been updated with a white 1x4 Enhanced ink strip on the fuel level sensor GT 280 connector that features a more robust design that is less likely to experience fretting and excessive resistance GT 280 connector on module Connector Replacement When replacing the chassis connector stagger the cuts of the four leads on each harness by 1 5 inches 40 mm so the splices will not overlap Then match the appropri ate colors and align the leads so the repaired harness will be the same length as the original Splice the new GT 280 connector to the vehicle harness using the four butt splices in the kit Use the blue splices on the black and gray leads and the red splices on the purple and orange black leads Crimp the splices with the appropriate crimp tool Use the appropriate test probe to check the connector after splicing After crimping shrink the insulation of the splices using a heat gun until a small amount of sealant comes out of both ends of the tube To check the integrity of the splice use the appropriate test probe Do not insert test equipment probes or test probe substitutes such as paper clips into the connector These items could d
22. red output from multiple para meters within the PCM such as engine coolant temperature A C pressure 7 transmission temperature The highest parameter however may not be the ruling parameter and the requested fan speed display can be significantly higher than the actual fan speed display Fi nF i r F gt oe Depending on the model the EV fan speed can be manually controlled with the scan tool in the Powertrain Special Functions section It is possible in this mode to set the requested fan speed higher than the vehicle is capable of producing For example 2000 rom can be manually requested while the engine is at 1000 rom and 2000 rom will not be set until engine speed is increased Additionally the fan clutch is by nature slow to respond to scan tool commands or a fused jumper wire test If the Service Information diagnostics are not followed properly it can lead to unneces sary EV clutch replacements Changes to the EV fan clutch to improve HVAC performance will increase airflow in certain conditions It is possi ble during startup for the EV fan clutch to be engaged depending on check valve orientation and the EV fan may match engine speed for about one minute depending on driving speeds Lower speeds will have a longer engagement time If the engine is shut off after a high cooling load drive cycle E V full on the restart will occur with the fan making noise which some customers may inter pre
23. rn The Northern Swing and The Final Charge A new four day catch total weight record was recorded by Preston Clark who bagged over 115 pounds at the Santee Cooper Showdown stop 3 on the schedule The tour moves along to the Sooner Run the first stop on The Turn the second series on the schedule at Grand Lake in Grove Okla in June 2006 Angler of the Year Standings Points 1 Dean Rojas 1082 102 Jimmy Houston 400 The following technical tips provide repair information about specific conditions on a variety of vehicles If you have a tough or unusual service repair the TSS Technical Assistance Hot Line can help Call 1 800 825 5886 prompt 2 to speak with a technical expert with the latest OEM information Trailer Wiring Harness ID 2003 06 Chevrolet Express and GMC Savana with RPO Z82 and or UY7 When installing a trailer brake module or trailer connector on 2003 06 Chevrolet Express and GMC Savana models with RPO Z82 and or UY7 it is necessary to know the location of the harness and the designated use of each wire The four wire trailer brake controller harness is located under the instrument panel on the driver s side taped to the pass through main harness between the park brake pedal and the vehicle brake pedal The seven wire harness assembly is taped together and located in a frame pocket at the driver s side rear left corner of the frame Both harnesses come without connectors T
24. stians Automotive Albuquerque N M Eric Armstrong Motoring Services Kennewick Wash Lawrence Nobriga Salel Automotive Service San Leandro Calif Tory Thomas Rigby Auto Service LLC Rigby Idaho South Central Region Joe Gandara Taggart Service Center Portland Texas Derek Fenster Penner s Tire and Auto Inc York Neb Bill James Bill s Quality Automotive Tulsa Okla Kellan Minich The Maintenance Shop Inc Gladstone Mo Michael Delcambre Master Mechanics Inc New Iberia La South East Region Paul Freeman Paces Ferry Exxon Atlanta Ga Charles McCrary IIl Barron Garage Inc Atlanta Ga Craig Newsome Auto Tech Section Ala Timothy Lasley Wilson s Garage of Pfatftown Inc Pfafftown N C Jennings Strickland Tiger s Automotive Raleigh N C North East Region Louis Codianna United Auto Sales and Service Waterbury Conn David Morgan United Auto Sales and Service Waterbury Conn James Testa JD Automotive amp Truck Dover N J Charles Apfelbeck Total Auto Maintenance Riverdale Md Thomas Seagrave Sweeney s Garage Buffalo N Y North Central Region Carl Thomas Lancer Service Inc St Paul Minn Paul Rabas Rabas Garage Inc Maribel Wis John Darrigan Master Automotive Inc Elkhart Ind Scot Manna MB Automotive Inc Des Plaines Ill Michael Bohnet Done Right Auto amp RV Mason Mich Upper Ball Joint
25. t as low engine power and or trans mission slipping Vehicles parked upward on an Incline of 16 or greater such as vehicles coming off transport or parked on a steep driveway can have an extended amount of fan noise Once the vehicle is not parked under these conditions the fan should operate as described Do not replace EV fan clutches for these conditions which are normal If the fan clutch is truly operating at a speed higher than intended a DTC P0495 or P1484 should set Professional ACDelco Batteries New Look Better Warranty ACDelco has introduced a new look on select Professional battery models while at the same time extended the free replacement period on Professional 6 year and 7 year batteries to be the best In the industry Accessible Maintenance Free Design The updated look of select Professional batteries features a new design called Accessible Maintenance Free This differs from Sealed Maintenance Free solely with the ability to allow the vent caps to be removed The entire ACDelco lineup is e Built to ACDelco specifications e Built using calcium calcium technology The Hallmark of Maintenance Free Technology months e 100 pressure tested to ensure heat seal of battery cover Free Replacement Limited Warranty ACDelco Professional 6 year and 7 year batter ies now carry the best free replacement limited warranty in the industry The new warranty went into effect April 1 2006
26. y of the three available languages can be chosen as the default language so it has to be selected only once WIP also has been further expanded with a new version specifically designed for the Collision segment of the marketplace Collision is a large market and Collision WIP is geared toward body shops to make finding and ordering the right hard parts simple To learn more about WIP call 1 800 825 5886 prompt 3 visit acdelcotechconnect com or contact your local ACDelco representative Thanks to Steve Sigg
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