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Home >> Pontiac >> 2003 >> Aztek AWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Exhaust Manifold Replacement - Left >> Installation Procedure
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Installation Procedure

  1. Install the exhaust manifold gasket.
  2. Install the exhaust manifold.
  3. Install the exhaust manifold nuts.

    Tighten 

    Tighten the exhaust manifold nuts to 16 N.m (12 lb ft).

    Fig 1: Installing Left Exhaust Manifold And Gasket
    G01501615Courtesy of GENERAL MOTORS CORP.
  4. Install the exhaust manifold heat shield.
  5. Install the exhaust manifold heat shield bolts.

    Tighten 

    Tighten the exhaust manifold heat shield bolts to 10 N.m (89 Ib. in).

  6. Install the exhaust crossover pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT  .
  7. Install the thermostat bypass pipe. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT .
  8. Connect the inlet radiator hose to the engine. Refer to RADIATOR HOSE REPLACEMENT - INLET .
  9. Install the right engine mount strut bracket. Refer to ENGINE MOUNT STRUT BRACKET REPLACEMENT - RIGHT .
  10. Fill the cooling system with engine coolant. Refer to DRAINING AND FILLING COOLING SYSTEM .
  11. Install the throttle body air inlet duct.
    Fig 2: Installing Left Exhaust Manifold Heat Shield
    G01501616Courtesy of GENERAL MOTORS CORP.