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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 883 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Left >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the throttle body air inlet duct.
  2. Drain the engine coolant from the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
  3. Remove the right engine mount strut bracket. Refer to ENGINE MOUNT STRUT BRACKET REPLACEMENT - RIGHT .
  4. Disconnect the inlet radiator hose from the engine. Refer to RADIATOR HOSE REPLACEMENT - INLET .
  5. Remove the thermostat bypass pipe. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT .
    Fig 1: Removing Left Exhaust Manifold Heat Shield
    G01501613Courtesy of GENERAL MOTORS CORP.
  6. Remove the exhaust crossover pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT  .
  7. Remove the exhaust manifold heat shield bolts.
  8. Remove the exhaust manifold heat shield.
  9. Remove the exhaust manifold nuts.
  10. Remove the exhaust manifold.
  11. Remove the exhaust manifold gasket.
  12. Clean the engine left side exhaust manifold to the engine left side cylinder head sealing surfaces. Refer to EXHAUST MANIFOLD CLEANING AND INSPECTION .
    Fig 2: Removing Left Exhaust Manifold And Gasket
    G01501614Courtesy of GENERAL MOTORS CORP.
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