GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Impala 🢒 General Information 🢒 General Information 🢒 Trailing Arm Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

    3. Object Number: 305363 Size: SH
  3. Disconnect the ABS electrical harness (1).

    4. Object Number: 614975 Size: SH
  4. Disconnect the trailing arm (1) from the knuckle.

    5. Object Number: 614971 Size: SH
  5. Disconnect the trailing arm (1) from the trailing arm bracket.

    6. Object Number: 156949 Size: SH
  6. Remove the trailing arm (1).

Installation Procedure

    Object Number: 156949 Size: SH
  1. Connect the trailing arm (1) to the trailing arm bracket.

    2. Object Number: 614971 Size: SH

    Notice: 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.

  2. Install the bracket bolt/screw and nut.

    3. Tighten
    Tighten the bracket nut (1) to 105 N·m (77 lb ft).


    Object Number: 614975 Size: SH
  3. Connect the trailing arm to the knuckle.

    4. Tighten
    Tighten the trailing arm to knuckle nut (1) to 70 N·m + 65 degrees (52 lb ft + 65 degrees).


    Object Number: 305363 Size: SH
  4. Connect the ABS electrical harness (1).
  5. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  6. Lower the vehicle.