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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Engine Exhaust System) >> Repair Instructions >> Exhaust Crossover Pipe Replacement (3.8L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Exhaust Crossover Pipe
    GM911162Courtesy of GENERAL MOTORS CORP.
  1. Install the exhaust crossover pipe seal (4) to the exhaust crossover pipe (1) at the right exhaust manifold connection.
  2. Install the exhaust crossover pipe (1).
    3. NOTE: Refer to FASTENER NOTICE .
  3. Install the exhaust crossover pipe studs (3) and the bolts (2).

    Tighten:  Tighten the studs and the bolts to 20 N.m (15 lb ft).

    4. Fig 2: View Of Right Exhaust Crossover Heat Shield
    GM910984Courtesy of GENERAL MOTORS CORP.
  4. Install the exhaust crossover heat shield (2).
  5. Install the exhaust crossover heat shield nuts (1).

    Tighten:  Tighten the nuts to 25 N.m (18 lb ft).

  6. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  7. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
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