Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Raise and suitably support the vehicle. Refer to JACKING AND LIFTING .
Disconnect the coolant heater electrical connector (2).

Fig 1: Disconnect Coolant Heater Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Remove the coolant heater cord retainer and bolts.
Remove the coolant heater cord.

Fig 2: Remove Coolant Heater Cord, Retainer & Bolts
Courtesy of GENERAL MOTORS CORP.