GM Service Manual Online
For 1990-2009 cars only

Object Number: 1660048  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. 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 Outlet Pipe Nut

Tighten
25 N·m (18 lb ft)

2

Heater Outlet Pipe

Tip
Using J 38185 Hose Clamp Pliers, position heater outlet hose clamps aside and remove hose from the heater hose and engine.