GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Malibu 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Heater Outlet Hose Replacement

Heater Outlet Hose Replacement L61

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure
  1. Drain the coolant. Refer to Cooling System Draining and Filling .
  2. Remove the surge tank from the surge tank bracket.
  3. Reposition the heater outlet hose clamp at the heater core using the J 38185 .
  4. Reposition the heater outlet hose clamp at the engine using the J 38185 .

    5. Object Number: 1203447 Size: SH
  5. Remove the heater outlet hose from the heater core.
  6. Remove the heater outlet hose from the engine.
  7. Remove both heater outlet hose clamps from the heater outlet hose.

Installation Procedure
  1. Install both heater outlet hose clamps to the heater outlet hose.

    2. Object Number: 1203447 Size: SH
  2. Install the heater outlet hose to the engine.
  3. Install the heater outlet hose to the heater core.
  4. Reposition the heater outlet hose clamp at the engine using the J 38185 .
  5. Reposition the heater outlet hose clamp at the heater core using the J 38185 .
  6. Install the surge tank to the surge tank bracket.
  7. Fill the coolant. Refer to Cooling System Draining and Filling .

Heater Outlet Hose Replacement LZ4, LZ9


Object Number: 1686629 Size: MF

Callout

Component Name

Preliminary Procedure

  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement for the 3.5L engine or Intake Manifold Cover Replacement for the 3.9L engine.

1

Heater Outlet Hose

Using J 38185 reposition heater outlet hose clamps at the heater core, heater pipe and surge tank.