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Home >> Pontiac >> 2003 >> Aztek AWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Exhaust Crossover Pipe Replacement >> Installation Procedure
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Installation Procedure

  1. Install the exhaust crossover pipe.
  2. Install the exhaust crossover pipe studs/nuts.

    Tighten 

    Tighten the exhaust crossover pipe studs/nuts to 25 N.m (18 lb ft).

    Fig 1: Installing Exhaust Crossover Pipe
    G01501623Courtesy of GENERAL MOTORS CORP.
  3. Install the exhaust crossover heat shield.
  4. Install the exhaust crossover heat shield bolts.

    Tighten 

    Tighten the exhaust crossover heat shield bolts to 10 N.m (89 lb in).

  5. Install the thermostat bypass pipe. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT .
  6. Install the inlet radiator hose to the engine. Refer to RADIATOR HOSE REPLACEMENT - INLET .
  7. Fill the cooling system with engine coolant. Refer to DRAINING AND FILLING COOLING SYSTEM .
    Fig 2: Installing Exhaust Crossover Heat Shield
    G01501624Courtesy of GENERAL MOTORS CORP.
  8. Install the throttle body air inlet duct.
  9. Connect the battery ground (negative) cable.
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