Installation Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Apply coolant to the end of the heater inlet hoses.
- Install the heater inlet hose to the inlet hose fitting at the engine block.
- Install the coolant bypass valve (6).
- Install the nut retaining the coolant bypass valve to the cowl.
Tighten: Tighten the nut to 10 N.m (89 lb in).
- Install the vacuum hose to the coolant bypass valve.
- Install the inlet heater hose to the engine block.
- Position the inlet heater hose clamp at the engine block using J 38185 .
- Connect the heater inlet hose to the heater core.
- Install the coolant recovery reservoir. Refer to COOLANT RECOVERY RESERVOIR REPLACEMENT in Engine Cooling.
- Fill the engine cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
IMPORTANT:
When installing a new heater inlet hose, place the clamps on the hose before installing the hose to the inlet hose fitting at the engine block.
NOTE:
Refer to FASTENER NOTICE
in Cautions and Notices.
IMPORTANT:
Firmly push the quick connect onto the heater core pipe until you hear an audible click.