JK v8 Hemi builder kit INSTALLATION GUIDE
Contents
1. FRONT OF VEHICLE gt 552. 3 JK V8 HEMI BUILDER KIT 9 71 6 1L 6 4L 2007 2011 JK SWB LWB AEV30207AA Last Updated 08 30 12 TABLE OF CONTENTS 1 Overview 1 2 Engine and Transmission Mounts 9 3 Wiring 13 A Battery Tray 17 5 Steering Shaft Relocation 23 6 Plumbing 29 7 Exhaust 39 PLEASE NOTE THAT THIS KIT HAS NOT BEEN TESTED TO COMPLY WITH FMVSS STANDARDS AND MUST NOT BE INSTALLED IN ANY NEW VEHICLE PRIOR TO DELIVERY TO THE END USER WHILE ALL CORRECT EMMISSIONS EQUIPMENT IS DESIGNED TO BE INSTALLED WITH THIS KIT THIS KIT MAY STILL NOT BE LEGAL FOR ON ROAD USE IN ALL STATES OR COUNTRIES AND AS SUCH IS CURRENTLY INTENDED FOR OFF ROAD USE ONLY IT IS THE USERS RESPONSIBILITY TO COMPY WITH ALL REGULATIONS AEV DOES NOT RECOMMEND ANY MODIFICATIONS TO HEMI ENGINES OR TRANSMISSIONS TECH SUPPORT CAN NOT BE PROVIDED FOR ANY CONVERSIONS USING AFTERMARKET PERFORMANCE PARTS INCLUDING BUT NOT LIMITED TO CAMSHAFTS HEADS EXHAUST MANIFOLDS AFTERMARKET EXHAUSTS INTAKES THROTTLE BODIES PERFORMANCE ECU CALIBRATIONS STROKER KITS SUPERCHARGERS TURBOCHARGERS SHIFT KITS OR ANY OTHER NON PRODUCTION ITEM 11 PLEASE READ BEFORE YOU START TO GUARANTEE A QUALITY INSTALLATION WE RECOMMEND READING THESE INSTRUCTIONS THOROUGHLY BEFORE BEGINNING ANY WORK THESE INSTRUCTIONS ASSUME A SUBSTANTIAL AMOUNT OF MECHANICAL ABILITY AND ARE NOT WRITTEN NOR INTENDED FOR SOMEONE NOT FAMILIAR WITH AUTO REPAIR This product is covered unde
3. The new tray is a tight fit and there is only one way to install it without bending the mounting tabs Place the new tray starting with the three bolts on the rear of the tray try to slide the tray into place in the front of the vehicle using a motion that is horizontal from the center of the vehicle outward Use the factory bolts to fasten the tray into position Remove the TIPM bracket and the speed nuts from the original tray re use this hardware on the AEV tray and re mount the TIPM and 34 way connector Trim the studs on the firewall using a cut off wheel Install the battery as shown using the included bracket J bolt and nut Mount the purge valve and rearrange the hoses as shown C 3 7L 6 1L amp 6 4L AIR FILTER BRACKET 1 2 Using the filter bracket supplied with the HEMI kit mount the bracket to the front of the battery tray and to the front of the vehicle as shown Install the bolts from inside the battery tray outward Mount the supplied K amp N air filter to the bracket K amp M RC 4630 16 D 3 8L AIR BOX MOUNTING 1 Mount the included brackets as shown to the front of the AEV Battery Tray Install the bolts from inside the battery tray outward 2 Remove the stock rubber air box isolators from the original tray and reuse them in the sup plied brackets 3 Mount the stock air box 17 18 gt um i ee aa 8 th a qu 5 19 i
4. at the top of the area where the engine and transmission interface Install the braided ground strap from the right to the left and then leave the loose end so that it will attach to the firewall stud on the right side of the vehicle Begin plugging in the left side injectors and coils proceed around the front of the engine and down to the knock sensor Route the right side of the injector harness forward and then down behind the alternator plugging in the Cam Crank Oil Temp and Knock sensors Plug in the left side of the transmission including the Input Speed Sensor Solenoid Assem bly Out put Speed Sensor and Transfer Case Mode Selector Continue by installing the right side of the transmission by securing the O Sensors and the Pressure Transducer Secure all O Sensors zip tie the harness securely to the powertrain Do not over tighten zip ties you may damage the harness Carefully route the starter wire as shown The ground stud located behind the starter is reused from the 3 8L On 6 4L engines connect the Variable Runner Intake Other engines be sure to zip tie this connection to the harness so it is out of harm s way Re use the factory 3 8L Battery Harness 12 B HARNESS TO BODY 1 Install the 10 way gray connector to the inside of the firewall using the double push pin fastener included in the connector 2 Install the C100 34 way connector to the firewall bracket like stock 3 Route the ha
5. 627AA hose to go from the intake around the engine to the purge valve This hose doesn t quite go all the way to the purge valve you will need to use a portion of the stock 3 8L purge valve line from the purge valve to the engine 30 RADIATOR 05 5 1 Install the lower radiator hose as shown fig 9 2 Fan shroud may need to be trimmed to ensure proper clearance from radiator hose 31 PART VII EXHAUST AEV s HEMI exhaust is designed specifically for the 5 7L HEMI but can be used for 6 1L and 6 4L engines as long as the 5 7L manifolds gaskets and bolts are used The exhaust is designed around the stock Suspension and bumpers and may need to be modified to accommodate aftermarket Suspensions bumpers or other accessories DO NOT TIGHTEN ANY PART OF THE EXHAUST SYSTEM UNTIL THE FINAL DESIRED FIT IS ACHIEVED 1 2 Install the hanger mount into the existing cross member hole behind the transfer case Adjust for clearances paying particular attention to the area around the front driveshaft JK cross member transmission pan rear trackbar and rear bumper The right hand down that goes under the transmission oil pan should be parallel with JK cross member when fitted properly You may wish to tack weld all joints for increased durability Install the star washers on the four isolator hangers Refer to the included photos for placement of exhaust pieces 32
6. Chassis con nector C300 on the right hand side of the radiator Unplug the PCM C1 C2 C3 and C4 Remove the harness from left front fender and firewall T Disconnect the front left O2 sensor located below the master cylinder pre 2011 or on the firewall post 2011 8 Drain and disconnect the radiator and heater hoses O 9 Disconnect the transmission cooler lines at the radiator 10 Remove the power steering reservoir from the body 11 Disconnect the vacuum line from the brake booster and firewall 12 Disconnect the ground strap from the hood and firewall 13 Remove the battery tray and air filter 14 Remove the heater core hoses from the engine 15 Remove the drive shafts 16 Remove the trailer harness if equipped 17 Remove all the body mounts 18 Disconnect the emergency brake cables at the rear axle 19 Disconnect the transmission and transfer case cables 20 Disconnect the fuel fill hose 21 Disconnect all vapor lines at the purge valve 22 Disconnect the top of the rear axle vent line Once the body is it is easy to remove the stock powertrain weld in the new mounts and to install the assembled 5 7 6 1L or 6 4L powertrain and exhaust into the chassis While the body is on the hoist the completed cooling module and steering modifications can be com pleted The body is then mated back to the chassis using the reverse procedure the harnesses are plugged in the brake lin
7. Powertrains with Dodge Adapter in place 2007 JK SWB LWB LHD only A MOUNTING PREPARATION 1 After the 3 8L Powertrain is removed disconnect the front ABS connectors at the frame and remove the right side wiring harness bolt on clips that are located on the frame behind the right side shock tower 2 Cutoff the OE engine mounts from the frame and clean up the area with a sanding disc B INSTALLATION OF THE ENGINE MOUNTS 1 Each engine mount has L or R inscribed into the metal indicating the Left from the Right There is also an arrow indicating the front of the mount 2 Place the mounts on the frame rail and line up the oval holes precisely Tack in place and finish weld as shown in Figure 1 3 Paint all bare areas as required 4 Reinstall the wiring harness mount with the stock hardware Figure 2 Fig 1 Fig 2 C INSTALLATION OF THE TRANSMISSION MOUNT 1 All 5 45 Transmissions must have the 3 4 Ton or 1 Ton Dodge 4WD adapter Mopar 52119433AB installed prior to the transmissions mount Install the AEV Mount to the 4WD Adapter on the transmission using the stock bolts Install the stock JK transmission isolator to the AEV Transmission Mount using the two 3 8 x 1 bolts nuts and washers and two 1 2 x 1 bolts nuts and washers D INSTALLATION OF THE CROSS MEMBER MOUNT 1 Begin by bolting the top plate of the transmission cross member mount to the JK transmis sion isolator
8. ate to the firewall For 2011 Models Steering relocation bracket will be placed on the engine side of the firewall This will require trimming of the mounting studs Refer to figures 7 9 5 Check for clearance to the vacuum booster there should be approximately 1 8 clearance 22 23 Fig 5 24 25 Fig 8 Fig 9 26 PART VI PLUMBING A AEV HEMI FUEL LINE 1 Remove the locking clip out of the plastic fuel line at the tank as shown fig 1 2 Install the stud provided into the 5 45 transmission and reuse the steel fuel line bracket from the V6 engine fig 2 3 Install the AEV Fuel Line be sure to lubricate all tubes or hoses prior to installation in order to avoid damaging seals fig 3 27 POWER STEERING LINES This step is to be performed after the powertrain has been installed Be sure you are using the correct power steering pump Mopar 5290778AA 1 Install the lines as shown fig 4 Be sure to lubricate all O rings prior to assembly 2 The two lines with push connect fittings attach to the stock trans cooler fig 5 fig 4 fig 5 28 4 4 X AEV AC LINES BODY SIDE 1 2 3 Install the liquid line Condenser to Firewall Use the stock hardware to connect the lines Fasten the line to the ground stud located on the left fender structure immediately behind the ABS module using the supplied clip Be sure to lu
9. bricate all O rings prior to assembly D AEV AC LINES POWERTRAIN SIDE 1 2 3 4 Reuse the 3 8L AC Compressor Modification is required see instructions in Overview Guide Install the suction line Compressor to Firewall onto the compressor using stock hardware The firewall side will be installed when the body is mated to the chassis Install the AC Discharge line Compressor to Condenser to the compressor using the stock hard ware Install the stock pressure transducer The condenser side will be installed when the body is mated to the chassis Be sure to lubricate all O rings prior to assembly E AEV TRANSMISSION COOLER 19 Install the transmission cooler to the condenser Locate the cooler 3 5 from the top of the con denser and 3 5 from the right side of the condenser Pre install transmission cooler hose on each barb of the transmission cooler Using the Mopar 55038175AA Transmission Cooler lines remove the OE hose portion fig 6 and flare the lines as shown fig 7 fis 6 29 HEATER HOSES Cut the stock 3 8L hoses as shown fig 8a keeping the center sections Fit these sections to the completed powertrain before mating the body to the chassis fig 8b fig 8b G EVAPORATIVE PURGE VALVE HOSES 1 Reuse the stock 3 8L hose from the fuel tank to the purge valve Attach this line to the fuel line us ing the stock bracket and a couple ties 2 Use Mopar part 4578
10. es are hooked back up and bled the radiator hoses can then be connected and the vehicle can be filled with fluid and started TIP 2 There are several variations of sensors alternators water pumps crank pulleys and power steering pumps used in different applications from 2005 onward Please check that you have all the correct parts listed in the Bill of Materials provided on our website Using the wrong part can cause serious damage to other components TIP 3 The exhaust system is designed to fit the 5 7L motor in a stock application 6 11 and 6 4L mo tors use the 5 7 exhaust but will be required to use the 5 7L Manifolds Gaskets and bolts also listed in the Bill of Materials The routing has been fitted assuming a stock Suspension and bum pers The use of aftermarket Suspensions bumpers or other components may require modifica tions to the exhaust system or other components Two Door Wranglers will need a section of tail pipe cut out of the system TIP 4 Jeep Wranglers being converted from Manual to Automatic Transmissions will require AEV Part 31001027AA which is an additional wire for the body side of the harness The other parts re quired to perform the manual to automatic conversion are listed in the Bill of Materials TIP y Four door wranglers can use the stock driveshaft s front and rear two door models will need a new or modified rear driveshaft TIP 6 WK and powertrains come with a rear sump aluminum
11. i j AE fig EEEIEE PF J TEF reer 1 TE Eee a a 1 TT 0 9 di 3 9 5 gt AL x 3 3 a 20 21 PART V STEERING SHAFT RELOCATION In order to provide ample clearance between the steering shaft ignition coils and valve cover a relocation bracket is provided The use of a die grinder is required If you are not familiar with JK systems please reference the Jeep Service Manual available at any Chrysler dealer 1 From inside the vehicle remove the upper intermediate shaft Be sure that the steering wheel is secured to prevent rotation so that the clock spring is not broken 2 From the engine side of the firewall mark a cut line as shown Figure 3 You will need to open the hole in the firewall up approximately 9 16 at the arc s maximum 3 Using a die grinder or similar tool cut the crescent shape to enlarge the hole Figure 4 Use touch up paint on the edge to prevent corrosion 4 Fit the AEV steering relocation bracket to the firewall loosely followed by the upper intermediate shaft Using the supplied and stock hardware tighten the bracket and shaft down while main taining maximum offset for the shaft Use a small bead of black silicone to seal the pl
12. oil pan plastic 2011s must be changed This pan will work but is easily damaged off road As an option a steel pan is avail able from the Dodge Ram and all parts are listed in the supplied Bill of Materials LX powertrains come with a front sump aluminum pan and will need to be changed to the steel pan Be sure to reference a 5 manual regarding the Torque To Yield main bearing cap bolt and always use a new bolt TIP 7 The stock JK transfer case cable bracket must be modified in order to clear the floorpan as shown in Figure 1 Fig 1 TIP 8 The AEV Harness is the same for 5 7L 6 1L and 6 4L conversions There are two connectors included that are for the 5 7L engines only and must be tied up on 6 1L conversions e The MDS Gray connector located at the top rear of block must be zip tied to the har ness and will not be used for 6 11 e The EGR solenoid connector black 6 way located at the front right of engine has a plastic clip located in the connector which is designed to fasten under the AEV air filter bracket on any conversions without EGR TIP 9 5 7 conversions can utilize the Grand Cherokee or Commander engine cover however it must be modified prior to installation using the template provided in Figure 2 For 6 4L conversions you can utilize the Grand Cherokee valve covers but the driver s side needs to be modified See Figure 3 illustrating the portion to be removed TIP 10 The new po
13. r the AEV Parts Limited Warranty a copy of which can be found at aev conversions com warranty 111 PART OVERVIEW AND TIPS Congratulations on purchasing your AEV JK HEMI Installation kit These instructions have been written for shops or DIY individuals with experience in general mechanics and welding AEV also as sumes that this kit will be installed in ashop environment with access to general shop equipment If you are not familiar with JK systems please reference the Jeep Service Manual available at any Chrysler dealership In order to help facilitate installation we have composed a series of tips below This kit requires a 2007 2010 Grand Cherokee engine If using a 2011 engine you must change the water pump and crank pulley to 07 10 parts TIP 1 Although it is not required AEV recommends using a two post hoist to remove the body from the vehicle The Jeep JK Wrangler was designed by Chrysler to have the body and chassis built as two complete assemblies which are then mated together on the assembly line because of this removal of the body only requires about 45 minutes The general procedure is outlined below 1 Discharge the AC system Disconnect the steering shaft at the firewall Disconnect the appropriate brake lines at the ABS Module Disconnect the battery harness from the battery firewall and right front fender 7 e wP Unplug the 34 way powertrain connector at the firewall C100 and the 34 way
14. rness over the AC Liquid line and around to the PCM Computer You can reuse the factory zip ties to fasten the harness to the washer bottle tray 4 Plug the harness into the AEV PCM and then into the AC Pressure Transducer 5 Install the AEV 4 way Pigtail Harness into the PCM Computer connector body side white connector by releasing the terminal lock inside the connector red slide Insert a very small allen wrench or similar tool into the backside of the cavities specified on the pigtail wires and with a small amount of force break off the small plastic studs and poke them through the front of the connector You may need a small needle nose pliers to remove the plastic studs from the connec tor Once the cavities are clear insert the wires until the terminal has a definite click into posi tion Once all the wires are inserted activate the terminal lock and plug C3 into place REFERENCE PHOTOS mm YET u Ground LE a F cart connect to PCM Computer C3 15 14 15 PART IV BATTERY TRAY A REMOVE THE FACTORY BATTERY 1 2 3 Remove the factory air box purge valve and battery Release the TIPM fuse block from the battery tray disconnect the large 34 way black connector as shown Remove the tray from the vehicle B INSTALL THE NEW TRAY 1
15. sition of the V8 motor on top of and in front of the front axle causes approximately 430 16 of weight to be shifted to the front axle and suspension Stock springs will see approxi mately 1 of drop aftermarket springs will vary depending on the manufacturer of the springs GAL 4 Fig 3 TIP 11 Use only Mopar 4 Transmission Fluid and Mopar Coolant Other brands may harm the seals or cause cooling problems TIP 12 Position the V8 Decals as shown in Figure 4 MONTANA USA AC COMPRESSOR MODIFICATION The 3 8L AC Compressor must be modified to clear the steering gear A Using a 7 8 countersink bit drill out the factory hole as shown B Use a grinder to bevel the corner of the mounting point as shown C Grind the raised portion of housing flush as shown before before after 0 IA 8 A Mount AC compressor to engine block Use the supplied flat head bolt in the upper mounting hole a factory bolt in the lower and a factory bolt in the rear with the supplied spacer between the compressor and engine block supplied bolt supplied spacer factory bolts FIG 2 hemi cover edge Retain this side of the paper to align with shape of hemi Remove this cover edge hemi section of badging H plastic cut along these lines x tin hemi e badging H A PART ENGINE amp TRANSMISSION MOUNTING 5 7L 6 1L and 6 4L WK or XK
16. using the stock hardware Bolt the top plate of the transmission cross member mount to the JK cross member using 4 of the 1 2 13 bolts washers and flange nuts Bolt the top plate of the transmission cross member mount to the bottom of the JK cross member using three of the stock bolts into the cross member nutserts Drill out one hole using the bottom plate as a drill template Use the remaining two 1 2 13 bolts washers and flange nuts to secure the bottom plate to the cross member Weld top and bottom plates as shown Figure 3 Paint any raw material and welds 10 11 PART 111 WIRING HARNESS INSTALLATION Every AEV HEMI JK Wiring Harness is 100 computer checked for quality and accuracy before shipment The harness is installed and routed the same way as a factory Grand Cherokee or Commander Powertrain Harness if more information than what is provided in this manual is required please refer to any 2007 WK or XK Factory Service Manual A HARNESS TO POWERTRAIN 10 Lay out the harness on the ground as shown with the PCM Connectors to the left when viewed from the driver s position The injector connectors will be towards the front Orient the harness next to the assembled powertrain so that the routing can be easily seen The part of the harness that connects to the powertrain is an H shape and is designed to have the center portion the bar of the H located and centered
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