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

Heater Inlet 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 inlet hose clamp at the heater core using the J 38185 .
  4. Reposition the heater inlet hose clamp at the engine using the J 38185 .

    5. Object Number: 1203442 Size: SH
  5. Remove the heater inlet hose from the heater core.
  6. Remove the heater inlet hose from the engine.
  7. Remove both heater inlet hose clamps from the heater inlet hose.

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

    2. Object Number: 1203442 Size: SH
  2. Install the heater inlet hose to the engine.
  3. Install the heater inlet hose to the heater core.
  4. Reposition the heater inlet hose clamp at the engine using the J 38185 .
  5. Reposition the heater inlet 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 Inlet Hose Replacement LZ4, LZ9


Object Number: 1686630 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 Inlet Hose

Using J 38185 reposition heater inlet hose clamps.