LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2025 >> Grand Cherokee L Summit >> Repair and Diagnosis >> Body & Frame >> Frames, Subframes & Crossmembers >> Frame And Bumpers >> Frame >> CROSSMEMBER >> Removal And Installation >> 3.6L / 2.0L >> Notes

3.6L / 2.0L: Notes

NOTE: The air suspension system can be disabled and enabled by using the Display Screen Module (DSM) in the vehicle under Tire Jack Mode, which is the preferred method. If the disable level control routine in the diagnostic scan tool is used, it will only disable the level control (automatic and manual) for that ignition cycle. The air suspension system can also be enabled by driving the vehicle above 8 km/h (5 mph). The air suspension must be disabled prior to lifting the vehicle or performing any work.

REMOVAL 

  1. With a diagnostic scan tool, using the routines under the Air Suspension Control Module (ASCM), perform the following:
    • Disable Level Control
    • Spring Deflate To Reservoir
  2. Disconnect and isolate the negative battery cable(s). Refer to 2.0L, 12 VOLT BATTERY DISCONNECT or 3.6L, BATTERY DISCONNECT AND CONNECT .
  3. Support the engine with the Engine Support Fixture (special tool #8534C, Fixture, Driveline Support), for tool installation details

    Refer to 2.0L, DRIVE LINE SUPPORT FIXTURE or 3.6L, DRIVE LINE SUPPORT FIXTURE .

    GC0200757Courtesy of CHRYSLER GROUP, LLC
    1 - Engine Support Fixture Tool 8534C-17 - Kit
  4. Remove the front belly pans. Refer to BELLY PAN, REMOVAL AND INSTALLATION .
  5. Remove the front skid plates. Refer to PLATE, SKID, REMOVAL AND INSTALLATION .
  6. Remove the front fasteners of the side belly pans as needed to position aside. Refer to BELLY PAN, REMOVAL AND INSTALLATION .
  7. Remove the front brake calipers and brake caliper adapters as assemblies and secure to the vehicle. Refer to ADAPTER, DISC BRAKE CALIPER, REMOVAL AND INSTALLATION .
  8. On four wheel drive vehicles remove the front halfshafts. Refer to FRONT HALFSHAFT, REMOVAL AND INSTALLATION .
  9. Disconnect the active damping sensor wire harness connectors (if equipped with Air Suspension).
    GC0201905Courtesy of CHRYSLER GROUP, LLC
    1 - Active Damper Sensor Bolt
    2 - Wire Harness Connector
  10. Disengage the wire harness routing clips (if equipped with Air Suspension).
    GC0201835Courtesy of CHRYSLER GROUP, LLC
    1-4 - Wire Harness Routing Clips
  11. Remove the brake line bracket bolt to the steering knuckle and position aside.
    GC0202039Courtesy of CHRYSLER GROUP, LLC
    1 - Brake Line Bracket Bolt
    2 - Brake Line Bracket
  12. Remove and DISCARD  the steering tie rod nut and position the tie rod aside.
    GC0201102Courtesy of CHRYSLER GROUP, LLC
    1 - Tie Rod Nut
    2 - Tie Rod
  13. Remove the upper ball joint bolt and separate the upper control arm from the steering knuckle.
    GC0201594Courtesy of CHRYSLER GROUP, LLC
    1 - Steering Knuckle Pinch Bolt
    2 - Upper Control Arm
  14. Remove the clevis lower bolts.
    GC0201109Courtesy of CHRYSLER GROUP, LLC
    1 - Clevis Lower Bolt
    2 - Stabilizer Bar Link Nut
  15. Remove the stabilizer bar. Refer to STABILIZER BAR, FRONT, REMOVAL AND INSTALLATION .
  16. Remove the steering intermediate shaft. Refer to SHAFT, INTERMEDIATE, REMOVAL AND INSTALLATION .
  17. Disconnect the engine mounts from the front suspension crossmember. Refer to 2.0L, INSULATOR, ENGINE MOUNT, REMOVAL AND INSTALLATION or 3.6L, INSULATOR, ENGINE MOUNT, REMOVAL AND INSTALLATION .
  18. DO NOT  disconnect the torque sensor wire harness connector.
    GC0205645Courtesy of CHRYSLER GROUP, LLC
    1 - Torque Sensor Wire Harness Connector
  19. Disconnect the wire harness connectors and separate the wire harness retainers from the crossmember.
    GC0201636Courtesy of CHRYSLER GROUP, LLC
    1 - Wire Harness Connectors
    2 - Wire Harness Retainers
  20. Remove the front end module bolts fastening the front end module to the crossmember.
    GC0207069Courtesy of CHRYSLER GROUP, LLC
    1 - Front End Module Bolts
  21. Remove the bolts and remove the shear plate from both sides of the vehicle.
    GC0201539Courtesy of CHRYSLER GROUP, LLC
    1 - Shear Plate to Body bolts
    2 - Shear Plate
    3 - Shear Plate to Cradle bolts
  22. Remove the lower front fascia fasteners.
    GC0201214Courtesy of CHRYSLER GROUP, LLC
    1 - Lower Front Fascia Fasteners
  23. Using a marker or equivalent, mark the rear position of the crossmember on the frame mount.
    NOTE: The cross member will not drop straight down, it must be angled down at the back and slid rearward in order to remove it.
    GC0220574Courtesy of CHRYSLER GROUP, LLC
    1 - Front Crossmember to Body Bolts - Rear
    2 - Front Crossmember to Body Bolts - Middle
    3 - Front Crossmember to Body Bolts - Front
  24. Support the crossmember with a suitable lifting device, then remove and DISCARD  the bolts and remove the crossmember assembly.
  25. Transfer the steering gear if necessary. Refer to GEAR, REMOVAL AND INSTALLATION .
  26. Transfer the steering knuckles if necessary. Refer to KNUCKLE, STEERING, REMOVAL AND INSTALLATION .
  27. Transfer the suspension links if necessary. Refer to LINK, STABILIZER BAR, REMOVAL AND INSTALLATION or LINK, SPRING, REMOVAL AND INSTALLATION or LINK, TENSION, REMOVAL AND INSTALLATION .
  28. Transfer the stabilizer links if necessary. Refer to LINK, STABILIZER BAR, REMOVAL AND INSTALLATION .

INSTALLATION 

  1. Install the crossmember and install the crossmember bolts.
  2. Install the shear plates and bolts on both sides of the vehicle.
  3. Using the marks made previously during removal, line up the crossmember with the rear marks made previously.
    GC0220574Courtesy of CHRYSLER GROUP, LLC
    1 - Front Crossmember to Body Bolts - Rear
    2 - Front Crossmember to Body Bolts - Middle
    3 - Front Crossmember to Body Bolts - Front
  4. Tighten the NEW  crossmember bolts to the proper torque specifications.
  5. Tighten to the proper torque specifications.
    GC0201539Courtesy of CHRYSLER GROUP, LLC
    1 - Shear Plate Bolts
    2 - Shear Plate
  6. Install the front brackets.
    GC0201799Courtesy of CHRYSLER GROUP, LLC
    1 - Front Brackets
  7. Install the lower front fascia fasteners.
    GC0201214Courtesy of CHRYSLER GROUP, LLC
    1 - Lower Front Fascia Fasteners
  8. Install the front end module bolts to the crossmember and tighten to the proper torque specifications.
    GC0207069Courtesy of CHRYSLER GROUP, LLC
    1 - Front End Module Bolts
  9. Connect the engine mounts to the front suspension crossmember. Refer to 2.0L, INSULATOR, ENGINE MOUNT, REMOVAL AND INSTALLATION or 3.6L, INSULATOR, ENGINE MOUNT, REMOVAL AND INSTALLATION .
    GC0201636Courtesy of CHRYSLER GROUP, LLC
    1 - Wire Harness Connectors
    2 - Wire Harness Retainers
  10. Install the steering intermediate shaft. Refer to SHAFT, INTERMEDIATE, REMOVAL AND INSTALLATION .
    GC0201109Courtesy of CHRYSLER GROUP, LLC
    1 - Clevis Lower Bolt
    2 - Tension Link
  11. Install the stabilizer bar. Refer to STABILIZER BAR, FRONT, REMOVAL AND INSTALLATION .
  12. Install the clevis lower bolts and tighten to the proper torque specifications.
  13. On four wheel drive vehicles install the front halfshafts. Refer to FRONT HALFSHAFT, REMOVAL AND INSTALLATION .
  14. Install the upper ball joint in the steering knuckle and install the upper ball joint bolt. Tighten to the proper torque specifications.
    GC0201594Courtesy of CHRYSLER GROUP, LLC
    1 - Upper Ball Joint Bolt
    2 - Upper Control Arm
  15. Place the tie rod in the steering knuckle and install a NEW  nut. Tighten to the proper torque specifications.
    GC0201102Courtesy of CHRYSLER GROUP, LLC
    1 - Tie Rod Nut
    2 - Tie Rod
  16. Place the brake line bracket on the steering knuckle and install the brake line bracket bolt. Tighten to the proper torque specifications.
    GC0202039Courtesy of CHRYSLER GROUP, LLC
    1 - Brake Line Bracket Bolt
    2 - Brake Line Bracket
  17. Secure the wire harness retainers (if equipped with Air Suspension).
    GC0201835Courtesy of CHRYSLER GROUP, LLC
    1-4 - Wire Harness Retainers
  18. Connect the active damping sensor wire harness connectors (if equipped with air suspension).
    GC0201905Courtesy of CHRYSLER GROUP, LLC
    1 - Active Damper Sensor Bolt
    2 - Wire Harness Connector
  19. Install the front brake calipers and brake caliper adapters as assemblies and raise the vehicle. Refer to ADAPTER, DISC BRAKE CALIPER, REMOVAL AND INSTALLATION .
  20. Install the front skid plates. Refer to PLATE, SKID, REMOVAL AND INSTALLATION .
  21. Install the front belly pans. Refer to BELLY PAN, REMOVAL AND INSTALLATION .
  22. Install the front fasteners of the side belly pans as needed. Refer to BELLY PAN, REMOVAL AND INSTALLATION .
  23. Install the front wheels. Refer to TIRES AND WHEELS, REMOVAL AND INSTALLATION .
  24. Remove the Engine Support Fixture.
  25. Connect the battery cable(s). Refer to 2.0L, 12 VOLT BATTERY CONNECT or 3.6L, BATTERY DISCONNECT AND CONNECT .
  26. If equipped with air suspension, enable the air suspension system.
  27. Perform a wheel alignment. Refer to WHEEL ALIGNMENT, STANDARD PROCEDURE .
  28. Perform the Electric Power Steering (EPS) verification test. Refer to ELECTRONIC POWER STEERING (EPS) VERIFICATION TEST .
scientia non olet · About LEMON Manuals