Exhaust Manifold Installation

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

Install new exhaust manifold studs.
Tighten: Tighten the studs to 10 N.m (89 lb in).

Fig 1: View Of Exhaust Manifold Studs
Courtesy of GENERAL MOTORS CORP.
Install the exhaust manifold gasket.
Install the exhaust manifold to the cylinder head.

Fig 2: View Of Exhaust Manifold & Gasket
Courtesy of GENERAL MOTORS CORP.
Install NEW exhaust manifold to cylinder head retaining nuts finger tight.
Tighten the NEW exhaust manifold to cylinder head retaining nuts in sequence.
Tighten: Tighten the nuts to 14 N.m (124 lb in).

Fig 3: Exhaust Manifold Bolt Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
Coat the threads of the oxygen sensor with antiseize compound P/N 12397953.
Install the oxygen sensor.

Fig 4: Identifying Oxygen Sensor
Courtesy of GENERAL MOTORS CORP.

Tighten: Tighten the oxygen sensor to 30 N.m (22 lb ft).
Install the block heater and bolt, if equipped.
Tighten: Tighten the bolt to 10 N.m (89 lb in).

Fig 5: View Of Block Heater
Courtesy of GENERAL MOTORS CORP.
Install the exhaust manifold heat shield.

Fig 6: Removing & Installing Exhaust Manifold Heat Shield
Courtesy of GENERAL MOTORS CORP.
Install the exhaust manifold heat shield bolts.
Tighten: Tighten the bolts to 23 N.m (17 lb ft).