TSB 02-157-14R Page 1 of 25
Contents
1. Prying on Unsupported Corner of Cam Cap cam cap became cracked requiring a complete cam carrier replacement TSB 02 157 14R Page 11 of 25 e Refer to the instructions found in the Technician Reference Booklet TRB for Technical Training Module 105 Chain Driven Valve Train Boxer Engines when removing and reassembling the timing chain components The photos and instructions found in the TRB and provided below have shown to be preferable to those provided in the Service Manual e The timing chains driving the camshafts are identical and are provided with colored identification links used to align with component timing marks Chain guides are also identical for the left and right banks It is recommended to mark the parts as they are removed Return them to their original positions during reassembly to maintain established wear patterns Colors used for the identification links will vary e Begin timing chain removal by positioning the crankshaft keyway at the 6 00 position The RIGHT bank intake camshaft timing mark A must be at 6 00 with right bank exhaust timing mark at 12 00 camshafts will be unloaded Identification Link e Compress the chain tensioner by hand insert a pin through the lever into the access hole to lock the plunger in place then remove the 2 bolts tensioner guides and right side timing chain e After turning the crankshaft CLOCKWISE repeat the procedure for the LEFT side with the timing2. TSB 02 157 14R Page 20 of 25 lt gt Tension case E T ee i a ran i ee a gt z L lt Ee f E 3 Notches i beat pe i F Ea a Ss tension is applied to avoid creating a brief rattle sound at engine start e If necessary insert a plastic screwdriver handle between the lip of the block and the left side B2 guide Then VERY CAREFULLY push down on the guide just enough to get the extra tensioner notch click When using this method always make sure you are using plastic on plastic and NOT metal on plastic to avoid damaging the chain guides all E Plastic screw driver handle inserted between front lip of the block and the B2 upper chain guide VERY CAREFULLY pushing downward on the upper guide push down on the guide just enough to get the extra tensioner notch click e Rotate the crankshaft COUNTER CLOCKWISE until the crankshaft sprocket timing mark is at the 6 00 position Position the cam sprocket timing marks as shown below intake 6 00 exhaust 12 00 TSB 02 157 14R Page 21 of 25 crankshaft sprocket timing mark e Align the indicator link with the timing mark on the crankshaft sprocket as shown below indicator link with the timing mark on the crankshaft sprocket e Same as the left side align the indicator links to the timing marks found on the cam sprocket assemblies Install the chain guides and tensioner Once proper positioning has been confirmed
3. 10944AA080 Head Gasket 11044AA780 10944AA070 Legacy amp Outback Legacy Outback and Forester Impreza and XV Crosstrek wi 2 0L part list for the short block replacement TSB 02 157 14R Page 4 of 25 PART NUMBER DESCRIPTION QTY REPAIR APPLICABILITY 11122AA350 Sealing Oil Pan 806949060 O Ring Pick Up Tube 806932030 21236AA050 806939060 806750080 16608KA000 16698AA110 saan 15208AA15A Oil Filter 803916010 Gasket Drain Plug 806933010 O Ring Coolant Cross Over 11136AA140 Oil Level Switch All EXCEPT 2012MY Impreza Injector O Rings part list for the short block replacement MISCELLANEOUS MATERIALS PART DESCRIPTION QUANTITY SOA635065 ThreeBond 1280B 1217G i SOA635041 Super Coolant qt 8 SOA635045 Engine Oil qt OW 20 6 SERVICE PROCEDURE INFORMATION Before starting any repairs the first step 1s to always confirm the customer s complaint It is critical to get as much information from the customer as possible to help you make the most accurate diagnosis e Review all the available service and repair history along with any other records the customer can provide to establish whether or not the vehicle has been properly maintained e Perform a thorough visual inspection to make sure there are no external oil leaks that could be contributing to the condition e It is also very important to not
4. pull the pin to release the tensioner With your hand grab and squeeze the upper and lower left side chain guides together to allow the plunger in the tensioner to extend fully and click into its furthest notch as shown in the previous right side photo If necessary insert a rubber coated plier handle between the ledge area on the front of the block and the right side B1 lower chain guide Then VERY CAREFULLY lift up on the guide just enough to get the extra click on the tensioner as shown in the photo below TSB 02 157 14R Page 22 of 25 Final Assembly Correct Timing Keyway Rubber coated plier handle inserted between a ledge area on the front of the block and the B1 lower chain guide VERY CAREFULLY lifting upward on the lower guide lift up on the guide just enough to get the extra click on the tensioner e IMPORTANT When re installing the front cover assembly be very careful to not allow it to contact any of the timing sprockets If contact does occur it will most likely be with the exhaust sprockets and it is almost a guarantee the silicone sealer you have put on the front cover will be disturbed If not properly addressed that area will most likely be the source of an oil leak after reassembly Don t hesitate to use a helper for the installation to prevent this e REMINDER When replacing the short block in addition to transferring the crankshaft position sensor be sure to index the reluctor prope
5. require adding engine oil in between scheduled maintenance intervals e When the engine is new and within the break in period during the first 1000 miles of operation e When the engine oil being used is of lower quality other than Energy or Resource Conserving API Pa Th at P a GASOLINE 44 ENGINES Engine Oil Classification SM or SN or ILSAC look for the starburst design with GF 4 or GF 5 e When the incorrect oil viscosity is used viscosity other than 0W 20 in the case of these specific vehicles e When engine braking is employed use of the transmission s gear ranges to decelerate while using the engine to apply resistance e When the engine is operated at high engine speeds continually or under frequent hard acceleration e When the engine is operated under heavy loads frequent carrying of heavy cargo passengers or trailer towing e When the engine idles for long periods of time may be related to frequent use of a remote engine start system e When the vehicle is operated in stop and go and or heavy traffic situations e When the vehicle is used under severe temperature conditions cold or hot e When the vehicle accelerates and decelerates frequently TSB 02 157 14R Page 2 of 25 Under these or similar operating conditions the oil level should be checked more frequently The engine oil and filter may also need to be changed more often As per the Owner s Manual engine oil consumption under
6. charger select the Power Supply Mode and have the battery voltage stabilized and ready for reprogramming VERY IMPORTANT This information is applicable to the Midtronics GR8 Diagnostic Battery Charger ONLY It does not apply to any other brand type of generic battery charger whatsoever ONLY the GR8 and its Power Supply Mode feature has been tested and approved by Subaru of America Inc SOA If the GR8 indicates the vehicle s battery must be charged charge the battery using the GR8 before proceeding to reprogram the vehicle while using the Power Supply Mode e Control module failures as a result of battery discharge during reprogramming are not a matter for warranty Should any DTCs reset after the reprogramming update is performed diagnose per the procedure outlined in the applicable Service Manual TSB 02 157 14R Page 24 of 25 An Approved j2534 Device can be used to reprogram the PCM Subaru reprogramming files using a generic non OEM SAE J2534 pass thru vehicle programming device are available by contacting Service Technical Information Company toll free at 1 866 428 2278 The cost for the CD ROM with all reprogramming files is 75 00 plus S H and applicable state tax Files will be updated four 4 times per year in CD ROM format with all available reprogramming service information at the same above offered cost Authorized Subaru Dealers are provided the same reprogramming information 02 157 14R TSB 02 157
7. next service interval based upon the date mileage of the most recent oil change is not representative of unusual oil consumption The information supplied in this bulletin is only applicable to vehicles within the specific production ranges of this publication exhibiting the condition s previously described IMPORTANT Read and understand this bulletin COMPLETELY before starting an oil consumption test or initiating any repairs Concerns related to a possible oil consumption condition are generally initiated when the customer believes the engine oil level on the dipstick has dropped since the last time it was checked or when the low oil lamp illuminates These types of complaints by themselves do not directly indicate a concern with the vehicle exists It is important to understand all the factors involved in order to make a sound decision regarding whether or not a repair is required or if an oil consumption test should even be started When speaking with customers about a reported or suspected oil consumption concern always keep the following in mind Some engine oil will always be consumed as part of normal engine operation How much and when it is consumed varies according to manufacturing tolerances wear and vehicle usage patterns TSB 02 157 14R Page 1 of 25 With the extended service intervals commonly used for today s engines combined with one or more of the conditions listed below typical engine oil consumption may
8. overlook the engine s PCV system and to confirm it is operating properly Check the air filter assembly and throttle body intake manifold for any excessive oil residue which could be an indicator of a sticking or failed PCV valve TSB 02 157 14R Page 5 of 25 NOTES e An oil consumption test will need to be completed to determine the proper course of action There is a specific procedure and Oil Consumption Test form which must be completed See Subarunet Service Forms for the latest test form Always print the latest form anytime a new test is started e Where applicable available reprogramming to reduce the possibility of false low engine oil level warning lamp illumination must be installed See Service Procedure to reduce false illumination of low oil level warning lamp on models so equipped later in this bulletin for further instructions This must be completed at either the start or end of the consumption testing regardless of the final outcome IMPORTANT At the start of the Oil Consumption Test Form specific information regarding what prompted reason for the testing must be collected Once this questionnaire section of the form is completed it must be faxed to 856 488 3199 Upon completion of the actual consumption test the remainder of the form must be completed and faxed AGAIN to 856 488 3199 This information is being collected for quality assurance purposes only You will not receive any response from these submiss
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10. Oval Shaped Timing Mark to the RIGHT of the keyway e Arrange the timing marks as shown below turning the crankshaft CLOCK WISE into position Align the indicator link with the timing mark on the crankshaft sprocket keyway with the dowel pin 1 00 indicator link with the timing mark on the crankshaft sprocket TSB 02 157 14R Page 19 of 25 e Align the indicator links to the timing marks found on the outside of the sprocket assemblies as shown in the photos below Exhaust sprocket face images vary with without exhaust VVT Timing Marks Aligned With Indicator Links No VVT Exhaust Sprocket Timing Marks Aligned With Indicator Links e Install the chain guides and tensioner Once proper positioning has been confirmed pull the pin to release the tensioner With your hand grab and squeeze the upper and lower chain guides together as shown in the reference photo below to allow the plunger in the tensioner to fully extend and click into its furthest notch chain guides and tensioner e If you have 3 notches showing you want to get one more click so that 4 notches are visible as shown in the photos below If you have 4 showing you want to end up with 5 Whether you start with 3 or 4 will depend on the amount of wear present on the chains and guides The number of clicks listed here is simply a guide The point is to ensure proper initial chain tension is applied to avoid creating a brief rattle sound at engine start
11. TSB 02 157 14R Surface Treatment Change To Oil Control Piston Rings 2013 2014 Subaru Legacy and Outback Models with 2 5L FB Engine 2011 2014 Subaru Forester Models with 2 5L FB Engines 2012 2013 Subaru Impreza and 2013MY XV Crosstrek Models with 2 0L FB Engine Information regarding a major change to the repair procedures previously outlined in Service Bulletins 02 143 13R 02 144 13R and 02 145 13R These bulletins provided a repair procedure for the replacement of the piston rings to address verified concerns of unusual engine oil consumption Vehicles confirmed as having this condition which are within the supplied VIN ranges will no longer be repaired with piston ring replacement The revised repair procedure to address verified unusual oil consumption concerns on these specific vehicles will consist of replacing the engine short block assembly It is critical to understand the nature of the concern as reported by the customer and to confirm the actual condition prior to attempting repairs Some oil consumption can and should be expected as a by product of engine operation even where no concern exists Failure to recognize this and correctly diagnose the condition presented can result in unnecessary repairs For example a vehicle which is presented with a report of a low engine oil level as read on engine dipstick gauge or indicated by illumination of the low engine oil level warning lamp which is at or near the time mileage of the
12. ering your claim DO NOT hold the repair order open until the vehicle returns Have the customer drive the vehicle then return for inspection when any of the following have occurred e At least 1200 miles have elapsed e When the low engine oil level warning lamp illuminates when equipped TSB 02 157 14R Page 6 of 25 e When the oil level reaches the lower hole in the dipstick gauge as determined by the customer The customer should be advised to not add oil unless there will be a significant delay before they can return for inspection once a low oil condition occurs A one time check of the oil consumption by the retailer is all that is needed to establish if the condition outlined in this bulletin applies SPECIFIC SERVICE PROCEDURES The following information is provided to underscore service procedures specific to the repairs outlined in this bulletin They are not meant to represent the entire repair process from start to finish The procedures provided here are specific to certain steps in the overall process In some cases they will differ greatly from the Service Manual instructions and should be followed in place of the Service Manual for these specific areas only For the balance of the repair procedure refer to the Service Manual It is highly recommended to review all of the Service Manual procedures for short block replacement then review these specific procedures to become familiar with the differences e When drai
13. ions This is NOT an authorization process Proceed with any necessary testing or repairs as indicated by the information provided in this service bulletin the Oil Consumption Test form results Subaru s Claims Policies and Procedures and your evaluation of the actual condition presented based upon your review of all three areas Keep in mind these repairs should only be completed when unusual oil consumption has been confirmed Before initiating the consumption test all basic checks must be completed These include but are not limited to confirming the actual oil level noting if any oil has been added prior to this visit and how much checking for any external leaks confirming PCV operation and verifying that a consumption test has not already been started or completed previously Always use the latest Oil Consumption Test form form found on Subarunet in the Service Forms area Follow the instructions outlined on the form NOTE The oil and filter change is only necessary if no prior consumption test has been completed or is already in process There is no need for duplicate or repeat testing One time documented results are all that is required to move forward with these repairs Always close the repair order on the day the oil change has been completed and submit the claim for the oil consumption test using the coding provided at the end of this bulletin Indicate Oil Consumption Test in the comments field box when ent
14. ission case near the engine number Use caution when applying any prying pressure and avoid twisting the tool to prevent case damage TSB 02 157 14R Page 9 of 25 separating the transmission CVT from the engine pry relief e Once the engine is removed if you are using a generic engine stand preferable since engine rotation is necessary use the four mounting holes on the engine block shown below to mount it NOTE Do not use the mounting studs in the upper oil pan four mounting holes on the engine block TSB 02 157 14R Page 10 of 25 e When removing the intake manifold as shown in the photos below leave the TGV assemblies attached to the upper intake remove the 2 nuts holding the EGR tube to the water pipe then remove the complete assembly from the cylinder heads as a unit EGR tube e There is no need to remove the oil dipstick tube or the original oil filter from the front chain cover While the cover is removed store it face front side down to minimize the chances of damaging the machined sealing surface on the block head side Also don t use it as a tray to store other removed parts e IMPORTANT After all 32 bolts securing the chain cover are removed be EXTREMELY careful where you pry and what you pry on to break the silicone sealant s bond The photos below show an example of where NOT to pry In this case the cam cap became cracked requiring a complete cam carrier replacement Patience is the key
15. marks A positioned as shown below Align the crank sprocket keyway with RH chain dowel pin shown in red below TSB 02 157 14R Page 12 of 25 Dowel Pin _ Align the crank sprocket keyway with RH chain dowel pin e Compress the chain tensioner by hand insert a pin through the lever into the access hole to lock the plunger in place then remove the 2 bolts tensioner guides and the left side timing chain e After the left chain is removed turn the crankshaft ina COUNTER CLOCKWISE direction until the timing mark on the crankshaft sprocket NOT the keyway is back to the 6 00 position as shown below This positions all the pistons away from TDC and prevents accidental contact between the pistons and valves TSB 02 157 14R Page 13 of 25 Timing Mark fa 4 This positions all the pistons away from TDC and prevents accidental contact between the pistons and valves e Before proceeding it is best to rotate the engine on the stand 90 degrees so it is vertical with one cylinder head facing up head gasket surface horizontal e Remove the rocker cover then the cam carrier from the head that is up Do not disturb the small camshaft end cap covers Remove the cam carrier with the camshafts as an assembly At this point the rest of the valve train is sitting loose on the cylinder head It is imperative all the rockers selective lash caps and rocker pivots are returned to their original p
16. ne time use PCV adapter NOTE Never try to reuse the original e Swap over the PCV assembly and the PCV baffle plate onto the front of the block NOTE No sealer is used between the baffle plate and the block TSB 02 157 14R Page 15 of 25 PCV baffle plate e If equipped swap over the lower water jacket coolant baffles into the new block e Head gaskets are marked L and R Always make sure they are properly installed while paying close attention to the sealer application areas as outlined in the Service Manual _ 4 Ti a TI m n m 1 i b oe i nn Head gaskets are marked L and R e Always make sure to clean the head bolt threads and apply engine oil to the threads and head bolt washers before starting the torque sequence Always follow the torque sequence closely TSB 02 157 14R Page 16 of 25 e IMPORTANT If by chance the AVCS filter screens in the cam carriers have come loose or fallen out during disassembly they are directional and MUST be reinstalled in their original position There is an oil passage in the cam case which MUST align with a hole on the outside diameter of the filter screen tube otherwise oil flow to the AVCS will be restricted or blocked resulting in engine damage AVCS filter screen e Before installing the upper and lower oil pans always thoroughly clean and inspect the pick up tube and screen Always use new o rings on the pick up tube and b
17. ning the engine oil do not remove the engine oil filter Leave the existing oil filter in place through engine disassembly reassembly installation and initial startup after engine reassembly e When removing the engine there is no need to remove the transmission case cover CVT only or to disconnect disturb any of the transmission harness connectors While raising the transmission with the service jack placed under the front differential as shown in the illustration below only raise it enough to access and remove the engine mounting hardware Raising it too high can push the transmission up into the bulkhead transmission tunnel and possibly cause damage TSB 02 157 14R Page 7 of 25 raising the transmission with the service jack e When removing the CVT fluid cooler if equipped leave it attached to its mounting bracket and remove as an assembly 3 bolts from the transmission Disconnect just the engine coolant hoses from it and do not disturb the 2 short CVT fluid lines Hook one of the cooler s mounting bracket ears behind the bulkhead harness as shown in the photo below to keep the cooler assembly out of your way Use a shop cloth between the ear and the bulkhead harness to prevent any chafing TSB 02 157 14R Page 8 of 25 keep the cooler assembly out of your way e To make separating the transmission CVT from the engine easier there is a pry relief shown below in the machined mounting surface of the transm
18. ositions on the cylinder head during reassembly TIP An egg carton for each head makes a perfect organizer tray Make sure to mark it as necessary front intake exhaust to eliminate any mixing of parts e Loosen the cylinder head bolts in proper order remove the head then flip the engine over and repeat the same steps for the opposite side e It is very important to take the time necessary to thoroughly clean the old silicone sealer from all the removed components before reassembly It is a good idea to clean the surrounding areas then use tape to block off any oil passages in the front cover and cam carriers so any small bits of removed silicone debris are kept from entering TSB 02 157 14R Page 14 of 25 the oil passages and possibly causing problems after reassembly Once all the old sealer has been removed remove any block off tape rinse out any oil passages thoroughly with brake cleaner and shop air e Don t forget to clean without removing the filter screens in the cam carriers one filter in each carrier In addition always be sure to do a thorough inspection and cleaning of the oil pan pick up tube and screen as shown in the photos below before reassembly Cam Carrier Filter Screen Oil Pick Up Tube Filter Screen Assembly the filter screens in the cam carriers REASSEMBLY Begin by putting the new short block onto your engine stand using the same mounting points as before Important Reminders e Install the new o
19. oth oil pans during reassembly e After cleaning the upper oil pan assembly replace the oil level switch assembly as shown in the illustration below Torque the 2 retaining bolts to 6 4 Nm 56 inch pounds TSB 02 157 14R Page 17 of 25 oil level switch assembly IMPORTANT NOTE At this time this step for replacement of the oil level sensor is NOT APPLICABLE to 2012MY IMPREZA MODELS e Once the basic long block has been reassembled valve cover to valve cover proceed with installation of the timing components as outlined below e IMPORTANT REMINDER To eliminate possible confusion it is strongly recommended to follow the timing chain reinstallation procedure outlined in this TSB and or the Technician Reference Booklet TRB for Module 105 Chain Driven Valve Train Boxer Engines instead of the Service Manual procedure e To begin timing chain re installation turn the crankshaft COUNTER CLOCK WISE until the crankshaft sprocket keyway is back to the 6 00 position This positions the pistons away from TDC and prevents accidental contact with the valves NOTE The keyway is NOT a timing mark The oblong oval shaped timing mark must face front and be to the RIGHT of the keyway as shown below Do not confuse this mark with a mark which may be found on the back side of the sprocket TSB 02 157 14R Page 18 of 25 E BO Oblong Oval Shaped lt p Timing Mark to the EE RIGHT of the keyway Oblong
20. rly onto the crankshaft as shown in the photos below The reluctor is indexed by a dowel pin in the rear crankshaft flange which aligns with a corresponding hole in the reluctor It is possible to install the reluctor without indexing it correctly Failure to index the reluctor correctly will result in a no start condition due to an out of time crank position signal to the ECM dowel pin in the rear crankshaft flange e Once the engine is back in the car and filled with fluids remove the fuel pump fuse and crank the engine over for no more than 10 seconds at a time to prime the oiling system until the oil pressure warning light goes out Re install the fuel pump fuse then run the engine initially with the original oil filter left on the front cover for approximately 5 minutes to catch any other remaining debris Check for any fluid leaks then install a new oil filter Start the engine again and run it for another few minutes TSB 02 157 14R Page 23 of 25 Shut off the engine and allow it cool down for at least five minutes Re check and top off the engine oil to the full mark on the dipstick before releasing the vehicle e Be advised some higher than expected oil consumption may occur initially following the shortblock replacement until the new piston rings become seated While higher than expected normally this oil consumption rate should not be as severe as verified prior to the repair This will generally improve within 1000 miles of dri
21. ter in this bulletin for instructions on how to address customer concerns where the low engine oil level warning lamp illuminates when the engine oil level is either full or nearly full The updated piston rings were incorporated into production as per the table below MODEL STARTING VIN DATE 2013 2014 Legacy and Outback n a n a 2013 Impreza 2 0L D 025244 2 20 2013 2013 XV Crosstrek D 855330 2 20 2013 2011 2013 Forester n a n a 2014 Forester n a n a TSB 02 157 14R Page 3 of 25 PART INFORMATION The chart below provides a required part list for the short block replacement procedure This list is provided as a reference only and may not be totally complete depending on the needs of your specific repair Always verify with your Parts Department that all needed parts with the most up to date part numbers are ordered PART NUMBER DESCRIPTION OTY REPAIR APPLICABILITY 10103AC590 l 2014MY Forester 10103AC600 201342014MY Legacy amp Outback 10103AC390 10103AC420 2012 2013MY Impreza 2 0L Creme pear e o E E E E Center Pipe Gasket 036580 Intake Gasket 14738AA150 EGR Pipe Gasket 506924 20 Short Block Assy 2011 2013MY Forester O Ring Chain Cover Vicia Seal Spark Pug Tube area impreza Forester and XV Crosstrek 13272AA170 Rocker Gasket 13270AA27A __13272AA21A 806915170 0 Ring Gam Carrier 11044AA790
22. these conditions may be as high as 1 quart per 1200 miles As related information the low oil level warning light on models so equipped is designed to illuminate when the engine oil level in the sump drops below approximately 4 quarts with the engine not running engine is 1 1 quarts low on oil and 2 4 quarts when the engine is running While this may seem very low keep in mind that oil remains suspended in the engine while running and will not fully drain back until the engine has been shut off for at least 5 minutes In some rare cases this light may illuminate with more oil present when the engine is running due to specific road or driving conditions such as repeated hard acceleration deceleration tight turning driving on undulating roads In these cases the light will generally reset on its own once the actual level is determined to be above the illumination threshold However this may take some time as certain driving parameters must be met for the system to self correct As long as the oil level has been checked and adjusted if necessary the immediate concern has been addressed If the lamp does not extinguish on its own after some time and the oil level remains full an inspection of the circuit and components should be performed See Section 3 of the Owner s Manual for more information on the oil level warning system See Service Procedure to reduce false illumination of low oil level warning lamp on models so equipped la
23. ving until the expected oil consumption rate is achieved e Complete the following procedure where applicable to conclude the repair procedure even if no complaint of this condition has been indicated by the customer SERVICE PROCEDURE TO REDUCE FALSE ILLUMINATION OF THE LOW OIL LEVEL WARNING LAMP ON MODELS SO EQUIPPED Any repairs performed as part of this bulletin MUST include installation of the applicable ECM reprogramming file for Oil Level Detection and replacement of the oil level switch Refer to the applicable TSBs as listed below e 11 145 14R for 2013 2014MY Legacy and Outback models e 11 148 14R for 2014MY Forester models e 11 149 14R for 2013 14MY Impreza 2 0L and XV Crosstrek models e 11 150 14 NEW TSB for 2012MY only Impreza models reprogramming only VERY IMPORTANT If a vehicle is presented where no repairs for actual oil consumption are required but an oil consumption test was completed BOTH the applicable ECM reprogramming file for Oil Level Detection AND the updated oil level switch where applicable per the TSBs listed above MUST be installed before releasing the vehicle to the customer NOTES SOA now highly recommends connecting the Midtronics GR8 Diagnostic Battery Charger to the vehicle and utilizing the Power Supply Mode feature anytime a vehicle control module is being reprogrammed Once the GR8 is connected to the vehicle as long as the battery is fully charged it takes less than 3 minutes to boot up the
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