GM Service Manual Online
For 1990-2009 cars only

Heater Inlet Hose/Pipe and Heater Outlet Hose/Pipe Replacement LZ9


Object Number: 1686628  Size: MF

Callout

Component Name

Notice: Refer to Fastener Notice in the Preface section.

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

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

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

Tighten
10 N·m (89 lb in)

2

Pipe Assembly, Heater Inlet and Outlet Pipe - Left

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

3

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

Tighten
25 N·m (18 lb in)

4

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

Tighten
10 N·m (89 lb in)

5

Pipe Assembly, Heater Inlet and Outlet Pipe - Front