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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Left (4.8L, 5.3L, 6.0L) >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle.
  2. Remove the catalytic converter from the exhaust manifold. Refer to Catalytic Converter Replacement (4.3L)  or Catalytic Converter Replacement (Dual Exhaust - Right)  or Catalytic Converter Replacement (Dual Exhaust - Left)  .
  3. Remove the engine cover.
  4. Disconnect the EGR valve pipe from the exhaust manifold if equipped.
  5. Remove the spark plug wires.
  6. Remove the exhaust manifold.
  7. Clean all sealing surfaces.
    Fig 1: Removing Exhaust Manifold - Left (4.8L, 5.3L, 6.0L)
    G02080453Courtesy of GENERAL MOTORS CORP.
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