Removal 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.

Drain the cooling system. Refer to Draining and Filling Cooling System .
Remove the spark plug wire harness from the thermostat bypass pipe.
Remove the thermostat bypass pipe to throttle body nut.

Fig 1: Removing Thermostat Bypass Pipe To Throttle Body Nut
Courtesy of GENERAL MOTORS CORP.
Remove the thermostat bypass pipe to throttle body hose clamps (1).
Remove the thermostat bypass pipe to cylinder head nut (3).
Remove the thermostat bypass pipe bolt (4).
Remove the thermostat bypass pipe hose clamp (5).

Fig 2: Removing Thermostat Bypass Pipe & Components
Courtesy of GENERAL MOTORS CORP.
Remove the thermostat bypass pipe hose.
Remove the thermostat bypass pipe.

Fig 3: Removing Thermostat Bypass Pipe & Hose
Courtesy of GENERAL MOTORS CORP.