Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Position the new gaskets (1) to the water housing crossover.

Fig 1: Identifying New Water Housing Crossover Gasket Installation Position
Courtesy of GENERAL MOTORS CORP.

Important: Care should be taken when installing the water housing crossover bolts, so that the gaskets are in the correct position.
Place the water housing crossover in position.

Fig 2: Installing Water Housing Crossover
Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to FASTENER NOTICE .
Hand start the water housing crossover bolts.
Tighten

Tighten water housing crossover bolts in sequence (1-6) to 25 N.m (18 ft lbs).

Fig 3: Identifying Water Housing Crossover Bolts Tightening Sequence
Courtesy of GENERAL MOTORS CORP.

Important: The EGR valve inlet pipe incorporates a crush seal connection at the water crossover. The EGR valve inlet pipe must be replaced if disconnected from the water crossover.
Hand start the NEW EGR inlet pipe-to-crossover pipe nut (3) to prevent crossthreading.
Tighten

Tighten the EGR inlet pipe nut to 60 N.m (44 ft lbs).
Connect the EGR inlet pipe flange to the water crossover.
Install the EGR inlet pipe-to-water crossover flange bolt (2).
Tighten

Tighten the EGR inlet pipe bolt to 24 N.m (18 ft lbs).

Fig 4: Installing EGR Inlet Pipe
Courtesy of GENERAL MOTORS CORP.

Important: The EGR valve outlet pipe incorporates a crush seal connection at the water crossover. The EGR valve outlet pipe must be replaced if disconnected from the water crossover.
Install the NEW EGR outlet pipe with NEW O-ring seal.
Install the EGR outlet pipe-to-intake manifold bolts.
Tighten

Tighten the EGR outlet pipe-to-intake manifold bolts to 10 N.m (89 in lbs).
Install the EGR outlet pipe-to-water crossover bolts
Tighten

Tighten the EGR outlet pipe-to-water crossover bolts to 24 N.m (18 ft lbs).
Install the EGR heat shield and EGR valve. Refer to EGR VALVE .

Fig 5: Installing EGR Outlet Pipe
Courtesy of GENERAL MOTORS CORP.
Connect the heater inlet hose to the water crossover.

Fig 6: Connecting Heater Inlet Hose
Courtesy of GENERAL MOTORS CORP.
Connect the inlet radiator hose (2) to the water housing crossover.

Fig 7: Connecting Inlet Radiator Hose

Courtesy of GENERAL MOTORS CORP.

Connect the right exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT - RIGHT (LX5) or EXHAUST MANIFOLD REPLACEMENT - RIGHT (L47) .
Install the throttle body. Refer to THROTTLE BODY .
Install the air cleaner inlet duct. .
Fill the cooling system. Refer to Draining and Filling Cooling System .
Inspect for leaks.