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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 906 (Engine Cooling System) >> Repair Instructions >> Thermostat Bypass Pipes Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply engine coolant to the bypass pipe seal in order to ease installation.
  2. Install the thermostat bypass pipe.
  3. Install the thermostat bypass pipe hose.
    Fig 1: Installing Thermostat Bypass Pipe & Hose
    G01829210Courtesy of GENERAL MOTORS CORP.
  4. Install the thermostat bypass pipe hose clamp (5).
    NOTE: Refer to FASTENER NOTICE .
  5. Install the thermostat bypass pipe bolt (4).

    Tighten 

    Tighten the thermostat bypass pipe bolt to 11 N.m (98 lb in).

  6. Install the thermostat bypass pipe to cylinder head nut (3).

    Tighten 

    Tighten the thermostat bypass pipe nut to 25 N.m (18 lb ft).

  7. Install the thermostat bypass pipe to throttle body hose clamps (1).
    Fig 2: Installing Thermostat Bypass Pipe & Components
    G01829211Courtesy of GENERAL MOTORS CORP.
  8. Install the thermostat bypass pipe to throttle body nut.

    Tighten 

    Tighten the thermostat bypass pipe nut to 25 N.m (18 lb ft).

  9. Install the spark plug wire harness to the thermostat bypass pipe.
  10. Fill the cooling system. Refer to Draining and Filling Cooling System .
    Fig 3: Installing Thermostat Bypass Pipe To Throttle Body Nut
    G01829212Courtesy of GENERAL MOTORS CORP.
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