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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1404 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Left (3.1L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Battery.
  2. Remove the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT in Removal & Installation - A/T.
  3. Remove the right engine mount strut bracket. Refer to ENGINE MOUNT STRUT BRACKET REPLACEMENT - RIGHT in Engine Mechanical - 3.1L.
  4. Remove the thermostat bypass pipe. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT in Engine Cooling.
  5. Remove the exhaust crossover pipe heat shield bolts.
    Fig 1: Removing Exhaust Crossover Pipe Heat Shield & Bolts
    G01969128Courtesy of GENERAL MOTORS CORP.
  6. Remove the exhaust crossover pipe heat shield.
  7. Remove the exhaust crossover pipe nuts from the left exhaust manifold.
    Fig 2: Removing Exhaust Crossover Pipe & Nuts
    G01969129Courtesy of GENERAL MOTORS CORP.
  8. Remove the left exhaust manifold heat shield bolts.
    Fig 3: Removing Left Exhaust Manifold Heat Shield & Bolts
    G01969130Courtesy of GENERAL MOTORS CORP.
  9. Remove the left exhaust manifold heat shield.
  10. Remove the left exhaust manifold nuts.
    Fig 4: Removing Left Exhaust Manifold & Nuts
    G01969131Courtesy of GENERAL MOTORS CORP.
  11. Remove the left exhaust manifold.
  12. Remove the left exhaust manifold gasket.
  13. Clean and inspect the left exhaust manifold. Refer to EXHAUST MANIFOLD CLEANING AND INSPECTION in Engine Mechanical - 3.1L.
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