LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 238 (Engine Exhaust System) >> Repair Instructions >> Exhaust Crossover Pipe Replacement (3.9L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Exhaust Manifold Heat Shield & Bolts - Left
    GM1679427Courtesy of GENERAL MOTORS CORP.
  1. Remove the air cleaner outlet duct. Refer to AIR CLEANER OUTLET DUCT REPLACEMENT .
  2. Disconnect the heater hoses from the heater pipes.
  3. Remove the nuts holding the heater pipes onto the throttle body.
  4. Position the heater pipes out of the way.
  5. Remove the exhaust crossover heat shield bolts (1).
    6. Fig 2: Identifying Exhaust Crossover Pipe
    GM1679429Courtesy of GENERAL MOTORS CORP.
  6. Remove the exhaust crossover heat shield (2).
  7. Remove the exhaust crossover pipe nuts (1).
  8. Remove the exhaust crossover pipe (2).
  9. Remove the exhaust crossover pipe seals.
scientia non olet · About LEMON Manuals