Intake Manifold Installation - Right Side

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Determining Sealant Bead Dimensions

Courtesy of GENERAL MOTORS CORP.

Apply a 2-3 mm wide by 0.5-1.5 mm high bead of GM P/N 12378521 (Canadian P/N 88901148) sealant on the intake manifold mating surface.

Fig 2: View Of Intake Manifold (Right)

Courtesy of GENERAL MOTORS CORP.

Install the intake manifold.

Fig 3: Intake Manifold Bolt Tightening Sequence (Right)

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

Install the intake manifold bolts and nuts.
Tighten: Tighten the intake manifold bolts and nuts to 25 N.m (18 lb ft).