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.

Install the intake heater relay.

Fig 1: Intake Heater Relay

GM1177277

Courtesy of GENERAL MOTORS CORP.

Slide the intake heater relay inward to engage it to the glow plug controller housing.

Fig 2: Intake Heater Relay & Glow Plug Controller Housing

GM1177274

Courtesy of GENERAL MOTORS CORP.

Place the glow plug controller onto the studs.

Fig 3: Glow Plug Controller & Studs

GM1177266

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the glow plug controller nuts.
Tighten: Tighten the nuts to 42 N.m (31 lb ft).

Fig 4: Glow Plug Controller Nuts

GM1177264

Courtesy of GENERAL MOTORS CORP.

Install the glow plug controller cover.

Fig 5: Glow Plug Controller Cover

GM1177263

Courtesy of GENERAL MOTORS CORP.

Install the upper intake manifold cover.
Install the upper intake manifold cover to the outlet duct.
Tighten the outlet duct clamp at the upper intake manifold cover.
Tighten: Tighten the clamp to 6 N.m (53 lb in).

Fig 6: View Of Upper Intake Manifold Cover, Outlet Duct & Clamp

GM813243

Courtesy of GENERAL MOTORS CORP.

Connect the negative battery cables. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.