GM Service Manual Online
For 1990-2009 cars only

Object Number: 1582943  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling.
  2. Remove the heater inlet hose from the heater pipe assembly. Refer to Heater Inlet Hose Replacement.
  3. Remove the heater outlet hose from the heater pipe assembly. Refer to Heater Outlet Hose Replacement.
  4. Remove the air cleaner duct. Refer to Air Cleaner Outlet Duct Replacement.

1

Pipe Assembly - Heater Inlet and Outlet Pipe - Left - Nut

Caution: Refer to Fastener Caution in the Preface section.

Tighten
10 N·m (89 lb in)

2

Heater Inlet and Outlet Pipe - Left Pipe Assembly

Tip
Using J 38185 , disconnect the left heater pipe assembly from the front heater pipe assembly.

3

Pipe Assembly - Heater Inlet and Outlet Pipe - Front - Bolt

Tighten
25 N·m (18 lb in)

4

Pipe Assembly - Heater Inlet and Outlet Pipe - Front - Stud

Tighten
10 N·m (89 lb in)

5

Heater Inlet and Outlet Pipe - Front Pipe Assembly