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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 601 (Engine Cooling System) >> Repair Instructions >> Thermostat Bypass Pipes Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the thermostat bypass pipe.
  2. Install the thermostat bypass pipe bolt.

    Tighten: 

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

  3. Install the thermostat bypass hose to the pipe.
    Fig 1: Thermostat Bypass Hose To The Pipe
    G01764807Courtesy of GENERAL MOTORS CORP.
  4. Use the J 38185 to reposition and install the hose clamp to the thermostat bypass pipe.
    Fig 2: Thermostat Bypass Pipe
    G01764808Courtesy of GENERAL MOTORS CORP.
  5. Install the thermostat bypass pipe nut.

    Tighten: 

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

    Fig 3: Thermostat Bypass Pipe Nut
    G01764809Courtesy of GENERAL MOTORS CORP.
  6. Install the heater outlet hose (2) to the thermostat bypass pipe.
  7. Install the throttle body inlet and outlet hoses (1) to the thermostat bypass pipe.
    Fig 4: Heater Outlet Hose, Throttle Body Inlet And Outlet Hoses And Thermostat Bypass Pipe
    G01764810Courtesy of GENERAL MOTORS CORP.
  8. Install the radiator inlet hose to the water outlet housing.
  9. Use the J 38185 to reposition and install the hose clamp to the water outlet housing.
  10. Install the spark plug wires to the left bank. Refer SPARK PLUGS .
  11. Install the LH engine mount strut. Refer to ENGINE MOUNT STRUT REPLACEMENT .
  12. Install the air cleaner intake duct.
  13. Fill the cooling system. Refer to Draining and Filling Cooling System 
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