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SMU - Revised Intake Air Heater Relay Replacement and Glow Plug Relay Replacement Procedures

Subject:Revised Intake Air Heater Relay Replacement and Glow Plug Relay Replacement Procedures

Models:2001-2003 Chevrolet Silverado
2001-2003 GMC Sierra
2003 Chevrolet Kodiak
2003 GMC TopKick
with 6.6L Duramax™ Diesel Engine (VIN 1 - RPO LB7)



This bulletin is being issued to revise the Intake Air Heater Relay Replacement procedure and the Glow Plug Relay Replacement procedure in the Engine Controls sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

Silverado/Sierra

Model Year

Procedure

SI Document ID

2001

Intake Air Heater Relay Replacement - Federal Procedure

744977

2002

876882

2003

802906

2001-2002

Intake Air Heater Relay Replacement - California Procedure

757632

2003

802908

2001

Glow Plug Relay Replacement - Federal Procedure

741277

2002

876891

2003

826313

Kodiak/TopKick

Model Year

Procedure

SI Document ID

2003

Intake Air Heater Relay Replacement

1219114

2003

Glow Plug Relay Replacement

1238137