Installation Procedure

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

Place the retainer and a NEW front exhaust manifold pipe seal over the left exhaust manifold.
Position a NEW exhaust manifold gasket between the left exhaust manifold and the left cylinder head.
Insert the left exhaust manifold into the front exhaust manifold pipe and up to the left cylinder head.
CAUTION: Refer to FASTENER NOTICE .
Install the left exhaust manifold bolts.
Tighten

Tighten the exhaust manifold bolts to 25 N.m (18 ft lbs).

Fig 1: Installing Left Exhaust Manifold
Courtesy of GENERAL MOTORS CORP.
Install the two bolts attaching the left exhaust manifold to the front exhaust manifold pipe.
Tighten

Tighten the front exhaust manifold pipe bolts to 25 N.m (18 ft lbs).
Install the oxygen sensor. Refer to UPSTREAM HEATED OXYGEN SENSOR .
Install the front engine mount bracket. Refer to ENGINE MOUNT BRACKET REPLACEMENT - FRONT .
Lower the vehicle.

Fig 2: Installing Left Exhaust Manifold To Front Exhaust Manifold Pipe Bolts
Courtesy of GENERAL MOTORS CORP.
Install the new gasket to the secondary AIR tube.
Install the two nuts (2) attaching the secondary AIR tube (3) to the exhaust manifold (1).
Tighten

Tighten the secondary AIR tube nuts to 12 N.m (106 in lbs).

Fig 3: Installing Secondary AIR Tube & Gasket From Exhaust Manifold
Courtesy of GENERAL MOTORS CORP.