GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Vivant 🢒 Engine 🢒 Engine Exhaust 🢒 Front Pipe Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1263621 Size: SH
  1. Disconnect the negative battery cable.
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the auxiliary catalytic converter lower flange nuts and ring type gasket.

    4. Object Number: 1263674 Size: SH
  4. Disconnect the post converter heated oxygen sensor electrical connection, if equipped.
  5. Remove the exhaust front pipe bracket nut.

    6. Object Number: 1263596 Size: SH
  6. Remove the nuts that secure the exhaust front pipe flange to the main catalytic converter flange.
  7. Remove the gasket from between the exhaust front pipe flange and the main catalytic converter flange.
  8. Remove the exhaust front pipe.

Installation Procedure

    Object Number: 1263596 Size: SH
  1. Install the exhaust front pipe.
  2. Install the gasket between the exhaust front pipe flange and the main catalytic converter flange.

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

  3. Install the nuts securing the exhaust front pipe flange to the main catalytic converter flange.

    4. Tighten
    Tighten the nuts to 30 N·m (22 lb ft).


    Object Number: 1263674 Size: SH
  4. Install the exhaust front pipe bracket nut.

    5. Tighten
    Tighten the nut to 25 N·m (18 lb ft).


    Object Number: 1263621 Size: SH
  5. Connect the post converter heated oxygen sensor electrical connection, if equipped.
  6. Install the auxiliary catalytic converter lower flange nuts and ring type gasket.
  7. Lower the vehicle and connect the negative battery cable.