Installation Procedure
WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
- Apply a coating of lubricant to the O-ring seal and the cleaned surface of the plug opening in the block. Use a water spray resistant, high-temperature grease lubricant (GM P/N 9985164 or equivalent).NOTE: The block heater element must not touch the engine block inner wall in the installed position or damage to the engine block and the block heater could result.
- Install the engine block heater into the engine block. Position the heater element 9 degrees perpendicular (1) to the crankshaft centerline.
- Push the engine coolant heater into the block until the outer edge is flush with the engine block surface.
- Tighten the bolt until both locking wings draw tight against the inner wall of the engine block. Tighten the bolt to 1.9 N.m (17 lb in).NOTE: The heater cord must not touch the engine, hot pipes, manifold, or any moving parts. Route the cord to the left front of the engine compartment securing with tie straps as necessary to prevent damage.
- Install the heater cord to the coolant heater. Route and secure the heater cord through the engine as shown.
- Route and secure the heater cord across the engine cowl as shown.
- Route and secure the heater cord to the VCM wiring harness.
- Fill the reservoir with engine coolant. Refer to Draining & Filling Cooling System .
- Inspect the system for leaks.