GM Service Manual Online
For 1990-2009 cars only

Heater Outlet Hose Replacement 4.3L


Object Number: 1894508  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .

1

Heater Outlet Hose Clamp (Qty:2)

2

Heater Outlet Hose

Heater Outlet Hose Replacement 4.8L, 5.3L, 6.0L


Object Number: 1894556  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .

1

Heater Outlet Hose Clamp (Qty:2)

2

Heater Outlet Hose

Heater Outlet Hose Replacement 6.6L- without Bypass Valve


Object Number: 2138117  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling.
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  3. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement.
  4. Remove the accumulator. Refer to Air Conditioning Accumulator Replacement.

1

Heater Outlet Hose Clamp (Qty: 2)

Procedure

Using J 38185 Hose Clamp Pliers to reposition the heater hose clamps.

Special Tools

J 38185 Hose Clamp Pliers

2

Heater Outlet Hose