Installation Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Exhaust Manifold Bolts

Courtesy of GENERAL MOTORS CORP.

Install the NEW exhaust manifold gasket.
Install the exhaust manifold.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the exhaust manifold bolts.
Tighten: Tighten the bolts to 20 N.m (15 lb ft).

Fig 2: Identifying Exhaust Manifold Heat Shield & Bolts

Courtesy of GENERAL MOTORS CORP.

Install the exhaust manifold heat shield.
Install the exhaust manifold heat shield bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
Install the oil lever indicator and tube. Refer to Oil Level Indicator and Tube Replacement .

Fig 3: Identifying Exhaust Crossover Pipe Nuts & Studs

Courtesy of GENERAL MOTORS CORP.

Install the exhaust crossover pipe to left bank exhaust manifold nuts (5). Refer to Exhaust Crossover Pipe Replacement (RPOs L26/L32) or Exhaust Crossover Pipe Replacement (RPO LY7) .
Install the left and the right torque strut at the engine. Secure with the strut bolts.
Tighten: Tighten the bolts to 48 N.m (35 lb ft).