GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Corvette 🢒 Engine 🢒 Engine Exhaust 🢒 Exhaust Tail Pipe Flow Valve Vacuum Pipe Replacement - Reservoir Tank to Valve Solenoid

Removal Procedure

    Object Number: 1674357 Size: SH
  1. Remove the right inner tail lamp lens screw.

    2. Object Number: 1674355 Size: SH
  2. Remove the right inner tail lamp lens.

    3. Object Number: 1704524 Size: SH
  3. Working through the tail lamp opening, remove the flow control valve solenoid shield.
  4. Disconnect the vacuum line fitting (1) from the flow control valve solenoid.
  5. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

    6. Object Number: 1704522 Size: SH
  6. Remove the screws (1) from the bottom of the rear fascia to gain access to the vacuum line fittings.

    7. Object Number: 1704525 Size: SH
  7. Disconnect the vacuum line fitting (2) from the vacuum tank.
  8. Disconnect the vacuum line quick connect fitting (3). Refer to Plastic Collar Quick Connect Fitting Service .
  9. Remove the vacuum line from the vehicle.

Installation Procedure

    Object Number: 1704525 Size: SH
  1. Install the vacuum line to the vehicle.
  2. Connect the vacuum line quick connect fitting (3). Refer to Plastic Collar Quick Connect Fitting Service .
  3. Connect the vacuum line fitting (2) to the vacuum tank.

    4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1704522 Size: SH
  4. Install the rear fascia screws (1).

    5. Tighten
    Tighten the rear fascia screws to 5 N·m (44 lb in).

  5. Lower the vehicle.

    6. Object Number: 1704524 Size: SH
  6. Connect the vacuum line fitting (1) to the flow control valve solenoid.
  7. Install the flow control valve solenoid shield.

    8. Object Number: 1674355 Size: SH
  8. Install the right inner tail lamp lens.

    9. Object Number: 1674357 Size: SH
  9. Install the right tail lamp lens screw.

    10. Tighten
    Tighten the tail lamp lens screw to 2 N·m (18 lb in).