GM Service Manual Online
For 1990-2009 cars only

Object Number: 1978430  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Disconnect the radiator outlet hose from the coolant pipe. Refer to Radiator Outlet Hose Replacement.
  4. Disconnect the auxiliary water pump hose from the coolant pipe. Refer to Auxiliary Water Pump Inlet Hose Replacement
  5. Remove the passenger compartment air filter housing. Refer to Passenger Compartment Air Filter Housing Replacement.

1

Radiator Outlet Pipe Bolt (Qty: 2)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
10 N·m (89 lb in)

2

Radiator Outlet Pipe Bolt

Tighten
50 N·m (37 lb ft)

3

Engine Coolant Inlet Pipe