Exhaust Manifold Installation - Left

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

Install the NEW exhaust manifold gaskets.

Fig 1: Installing New Exhaust Manifold Gaskets - Left
Courtesy of GENERAL MOTORS CORP.
Install the exhaust manifold.
Install the spark plug wire shields.
If reusing the fasteners, apply threadlock GM P/N 12345493 (Canadian P/N 10953488) or equivalent, to the threads of the exhaust manifold bolts and stud.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the exhaust manifold bolts and stud.

Fig 2: Installing Exhaust Manifold Bolts And Stud - Left
Courtesy of GENERAL MOTORS CORP.

Tighten
1. 5.1. Tighten the exhaust manifold bolts and stud on the first pass to 15 N.m (11 lb ft).
2. 5.2. Tighten the exhaust manifold bolts and stud on the final pass to 30 N.m (22 lb ft).
Install the spark plug wires to the spark plug wire retainers.
Install the spark plug wires onto the spark plugs.