GM Service Manual Online
For 1990-2009 cars only

Object Number: 1664337  Size: MF

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

Preliminary Procedure

  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .

1

Heater Inlet and Outlet Pipe Assembly

Tip
Using the J 47622 Heater Hose Clamp Tool, position heater hose clamps aside and remove the heater hoses.