GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1713779  Size: SH
  1. Remove the engine sight shield. Refer to Intake Manifold Sight Shield Replacement .
  2. Disconnect the quick connect fitting (4) at the front of dash. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Disconnect the chassis fuel bundle retainer (1) from the upper front of dash mounting stud.
  4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Remove the exhaust intermediate pipe. Refer to Intermediate Pipe Replacement .

  6. Object Number: 67894  Size: SH
  7. Remove the floor panel tunnel panel reinforcement. Refer to Floor Panel Tunnel Panel Reinforcement Replacement .

  8. Object Number: 1713783  Size: SH
  9. Disconnect the front chassis vacuum line from the underbody retainers (3, 5, 6 and 7).
  10. Disconnect the front chassis vacuum line quick connect fitting (2) located on the left side of the vehicle, forward of the rear drive module. Refer to Plastic Collar Quick Connect Fitting Service .
  11. Remove the front chassis vacuum line from the vehicle.

Installation Procedure


    Object Number: 1713783  Size: SH
  1. Install the front chassis vacuum line to the vehicle.
  2. Connect the front chassis vacuum line quick connect fitting (2). Refer to Plastic Collar Quick Connect Fitting Service .
  3. Install the front chassis vacuum line to the underbody retainers (3, 5, 6 and 7).

  4. Object Number: 67894  Size: SH
  5. Install the floor panel tunnel panel reinforcement. Refer to Floor Panel Tunnel Panel Reinforcement Replacement .
  6. Install the exhaust intermediate pipe. Refer to Intermediate Pipe Replacement .
  7. Lower the vehicle.

  8. Object Number: 1713779  Size: SH
  9. Connect the chassis fuel bundle retainer (1) to the upper front of dash mounting stud.
  10. Connect the quick connect fitting (4) at the front of dash. Refer to Plastic Collar Quick Connect Fitting Service .
  11. Install the engine sight shield. Refer to Intake Manifold Sight Shield Replacement .