Exhaust Manifold Installation - Left Side

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Fig 1: Exhaust Manifold - Left Side (With Tightening Sequence)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Exhaust Manifold Gasket NOTE: Must use a NEW gasket.
2	Exhaust Manifold
3	Exhaust Manifold Bolts CAUTION: Refer to Fastener Caution . Procedure Tighten the exhaust manifold bolts in the sequence shown. If installing on existing cylinder head - Tighten the bolts to 23 N.m (17 lb ft). If installing on NEW cylinder head - Tighten bolts to 27 N.m (20 lb ft)
4	Heat Shield
5	Heat Shield Bolts Tighten 10 N.m (89 lb in)
6	Spark Plug Wires Procedure Inspect the inside of the spark plug wire boot for a thin, even coat of grease. If there is no grease present or additional grease is necessary, complete the following procedure: NOTE: Only apply dielectric grease to the spark plug side of the spark plug wire boot. When installing the wires, one audible click should be heard at the spark plug end and two audible clicks should be heard at the ignition coil end. Apply a thin coating of dielectric grease evenly to the inside of the spark plug wire boot, up to a depth of 15 mm from the end of the boot. Refer to Adhesives, Fluids, Lubricants, and Sealers . Remove any excess grease from around the end of the boot, and ensure there is not an excessive amount within the boot.