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Home >> Chevrolet >> 2003 >> Impala LS >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Exhaust Crossover Pipe Replacement (3.8L) >> Installation Procedure

Installation Procedure

    Fig 1: Exhaust Crossover Pipe & Bolts (3.8L)
    GM153576Courtesy of GENERAL MOTORS CORP.
  1. Install the exhaust crossover pipe seal to the exhaust crossover pipe at the right exhaust manifold connection.
  2. Install the exhaust crossover pipe.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the exhaust crossover pipe bolts.

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

    4. Fig 2: View Of Exhaust Crossover Heat Shield
    GM153575Courtesy of GENERAL MOTORS CORP.
  4. Install the exhaust crossover heat shield.
  5. Install the exhaust crossover heat shield nuts.

    Tighten:  Tighten the nuts to 20 N.m (15 lb ft).

  6. Install the air cleaner intake duct.
  7. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
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