Installation Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Install the thermostat bypass pipe.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the thermostat bypass pipe bolt.
Tighten

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

Fig 1: Installing Thermostat Bypass Pipe & Bolt
Courtesy of GENERAL MOTORS CORP.
Install the thermostat bypass hose to the pipe.
Use the J 38185 to reposition and install the hose clamp to the thermostat bypass pipe.

Fig 2: Installing Hose Clamp To Thermostat Bypass Pipe
Courtesy of GENERAL MOTORS CORP.
Install the thermostat bypass pipe nut.
Tighten

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

Fig 3: Installing Thermostat Bypass Pipe Nut
Courtesy of GENERAL MOTORS CORP.
Install the heater outlet hose (2) to the thermostat bypass pipe.
Install the throttle body inlet and outlet hoses (1) to the thermostat bypass pipe.

Fig 4: Installing Heater Outlet Hose To Thermostat Bypass Pipe
Courtesy of GENERAL MOTORS CORP.
Install the radiator inlet hose to the water outlet housing.

Fig 5: Installing Radiator Inlet Hose To Water Outlet Housing
Courtesy of GENERAL MOTORS CORP.
Use the J 38185 to reposition and install the hose clamp to the water outlet housing.
Install the spark plug wires to the left bank.
Install the LH engine mount strut. Refer to ENGINE MOUNT STRUT REPLACEMENT in Engine Mechanical - 3.1L.
Install the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT in Removal & Installation - A/T.
Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.