Exhaust Manifold Installation

WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Install new exhaust manifold studs.
Tighten

Tighten the studs to 10 N.m (89 lb in).

Fig 1: Exhaust Manifold Studs
Courtesy of GENERAL MOTORS CORP.
Install the exhaust manifold gasket.
Install the exhaust manifold to the cylinder head.
Install the exhaust manifold to the cylinder head retaining nuts. Follow the tightening sequence.
Tighten

Tighten the nuts to 12 N.m (9 lb ft).

Fig 2: Exhaust Manifold Assembly
Courtesy of GENERAL MOTORS CORP.
Coat the threads of the oxygen sensor with anti-seize compound GM P/N United States 12397953.
Install the oxygen sensor.
Tighten

Tighten the bolts to 30 N.m (22 lb ft).

Fig 3: Oxygen Sensor
Courtesy of GENERAL MOTORS CORP.
Install the block heater if equipped.
Tighten

Tighten the bolt to 10 N.m (89 lb in)

Fig 4: Block Heater
Courtesy of GENERAL MOTORS CORP.
Install the exhaust manifold heat shield.
Install the exhaust manifold heat shield bolts.
Tighten

Tighten the bolts to 23 N.m (17 lb ft).

Fig 5: Exhaust Manifold Heat Shield
Courtesy of GENERAL MOTORS CORP.