Installation Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Exhaust Manifold Heat Shield

Courtesy of GENERAL MOTORS CORP.

If the exhaust manifold was replaced, position the exhaust manifold heat shield to the exhaust manifold.

NOTE: Refer to Fastener Notice .

Install the exhaust manifold heat shield bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).

Fig 2: View Of Exhaust Manifold

Courtesy of GENERAL MOTORS CORP.

Insert one bolt through a bolt hole in the exhaust manifold.
Position the NEW exhaust manifold gasket over the bolt.
Position the exhaust manifold to the cylinder head.
Tighten the bolt until snug.
Install the remaining exhaust manifold bolts.
Tighten: Tighten the bolts to 20 N.m (15 lb ft).

Fig 3: Identifying Exhaust Crossover Pipe Nuts & Studs

Courtesy of GENERAL MOTORS CORP.

Install the exhaust crossover pipe to right bank exhaust manifold nuts (3).
Tighten: Tighten the bolts to 34 N.m (25 lb ft).
Install the catalytic converter. Refer to Catalytic Converter Replacement .
Connect the intermediate steering shaft to the steering gear. Refer to Intermediate Steering Shaft Replacement .
Lower the vehicle.
Install the engine mount struts. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side .
Install the master cylinder fluid level sensor. Refer to Brake Fluid Level Indicator Switch Replacement .
Install the air inlet duct. Refer to Air Cleaner Inlet Duct Replacement .