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Home >> Pontiac >> 2004 >> Aztek Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 213 (Engine Cooling System) >> Repair Instructions >> Thermostat Bypass Pipes Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the thermostat bypass pipe.
  2. Install the thermostat bypass pipe bolt.

    Tighten:  Tighten the bolt to 11 N.m (98 lb in).

  3. Fig 1: Installing Thermostat Bypass Pipe
    GM543315Courtesy of GENERAL MOTORS CORP.
  4. Install the thermostat bypass pipe hose and clamp to the thermostat bypass pipe.
  5. Fig 2: Removing/Installing Thermostat Bypass Pipe Hose
    GM187083Courtesy of GENERAL MOTORS CORP.
  6. Install the thermostat bypass pipe nut.

    Tighten:  Tighten the nut to 25 N.m (18 lb ft).

  7. Fig 3: Installing Thermostat Bypass Pipe Nut
    GM54419Courtesy of GENERAL MOTORS CORP.
  8. Install the heater outlet hose (2) and the clamp to the thermostat bypass pipe.
  9. Install the throttle body inlet (3) and outlet (4) hoses and the clamps to the thermostat bypass pipe.
  10. Fig 4: View Of Throttle Body Hoses, Heater Outlet Hose & Thermostat Bypass Pipe
    GM622761Courtesy of GENERAL MOTORS CORP.
  11. Install the radiator inlet hose to the water outlet housing.
  12. Fig 5: Identifying Radiator Inlet Hose & Water Outlet Housing
    GM70064Courtesy of GENERAL MOTORS CORP.
  13. Use the J 38185  to reposition and install the radiator inlet hose clamp to the water outlet housing. See Special Tools and Equipment .
  14. Install the spark plugs wires to the left side spark plugs. Refer to Spark Plug Wire Replacement in Engine Controls - 3.4L.
  15. Install the LH engine mount strut. Refer to Engine Mount Strut Replacement - Left in Engine Mechanical - 3.4L.
  16. Install the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement in Engine Controls - 3.4L.
  17. Fill the cooling system. Refer to Draining and Filling Cooling System .