Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Apply a 2-3 mm (1/8 in) wide, by 0.5-1.5 mm (1/16 in) high bead of sealant, GM P/N 97720043 (Canadian P/N 88901148), or equivalent to the intake manifold.

Fig 1: Determining Sealant Bead Dimensions

Courtesy of GENERAL MOTORS CORP.

Install the intake manifold.
Install the intake manifold bolts/nuts.

Fig 2: View Of Intake Manifold (Left)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Intake Manifold Bolt Tightening Sequence (Left)

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the intake manifold bolts/nuts in the sequence shown.
Tighten: Tighten the bolts/nuts to 21 N.m (15 lb ft).
Install the left fuel rail. Refer to Fuel Rail Assembly Replacement - Bank 2 in Engine Controls.
Install the center intake manifold. Refer to Intake Manifold Replacement - Center .