Installation Procedure
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- Coat the O-ring seal (2) and the cleaned surface of the plug opening with water resistant high-temperature grease lubricant GM P/N 1052196 or the equivalent.
Important: Avoid element contact with the inside walls of the engine block.
- Install the coolant heater by pushing tightly into the engine block.
CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
- Tighten the bolt on the engine coolant heater until both of the locking wings draw tightly against the inner wall of the engine block.
Tighten
Tighten the bolt to retain the engine coolant heater to the engine block to 2 N.m (18 in lbs).
Important: Do not allow the heater cord to touch the following areas:
- The engine
- Hot pipes
- The manifold
- Any moving parts
- Install the heater cord to the coolant heater (4).
- Route the heater cord.
- Install the engine cover.
- Fill the radiator and the engine with engine coolant. Refer to Draining and Filling Cooling System .
- Inspect the system for leaks.