GM Service Manual Online
For 1990-2009 cars only

Exhaust Crossover Pipe Replacement LNJ

Removal Procedure

  1. Remove the battery box. Refer to Battery Box Replacement.

  2. Object Number: 1087635  Size: SH
  3. Remove the exhaust crossover pipe nuts (2).
  4. Remove the exhaust crossover pipe (3).
  5. Remove the exhaust manifold studs (1), if replacement of the stud is necessary.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1087635  Size: SH
  1. Install any previously removed exhaust manifold studs (1) and tighten to 25 N·m (18 lb ft).
  2. Install the exhaust crossover pipe (3).
  3. Note: Maintain approximately 6.35 mm (0.25 in) between the thermostat housing and the exhaust crossover pipe.

  4. Install the exhaust crossover pipe nuts (2) and tighten to 25 N·m (18 lb ft).
  5. Install the battery box. Refer to Battery Box Replacement.