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Home >> Chevrolet >> 2007 >> HHR LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Rear Drive Axle) >> Repair Instructions >> Transmission Mount Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Transaxle Mount
    GM1747269Courtesy of GENERAL MOTORS CORP.
  1. Install the transaxle mount to the vehicle.
  2. NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  3. Install the transaxle mount to differential bolts.

    Tighten:  Tighten the transaxle mount bracket to differential bolts to 50 N.m (37 lb ft).

  4. Fig 2: View Of Jack Supports
    GM180637Courtesy of GENERAL MOTORS CORP.
  5. SLOWLY raise the rear suspension crossmember (still firmly attached to a transmission jack), to the vehicle frame rails.

    Guide the transaxle mount studs into the slots in the rear crossmember.

  6. Using ONLY HAND TOOLS, install NEW rear suspension crossmember mounting nuts.

    Tighten:  Tighten the rear suspension crossmember mounting nuts to 110 N.m (81 lb ft).

  7. Remove the transmission jack from the rear suspension crossmember.
  8. Release the J 42055  from the transmission, then remove the J 42055  and transmission jack.
  9. Install the 4 transaxle mount to rear suspension crossmember nuts.

    Tighten:  Tighten the transaxle mount to rear suspension crossmember nuts to 50 N.m (37 lb ft).

  10. Fig 3: View Of Shock Absorber Mounting To Control Arm
    GM180606Courtesy of GENERAL MOTORS CORP.
  11. Install the rear shock absorber lower mounting bolts.

    Tighten:  Tighten the rear shock absorber lower mounting bolts to 220 N.m (162 lb ft).

  12. Install the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
  13. Lower the vehicle.
  14. Connect the negative battery cable.

    Tighten:  Tighten the negative battery cable bolt to 15 N.m (11 lb ft).

  15. Program the transmitters. Refer to Transmitter Programming (Domestic and Japan) or Transmitter Programming (Export - Including Canada) .