GM Service Manual Online
For 1990-2009 cars only

Heater Outlet Hose Replacement LN2

Removal Procedure

  1. Drain the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.
  2. Remove the air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 2.2L (LN2).
  3. Reposition the ignition control module. Refer to Ignition Control Module Replacement in Engine Controls - 2.2L (LN2).

  4. Object Number: 636736  Size: SH
  5. Disconnect the outlet heater hose from the outlet heater pipe.
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  7. Object Number: 636737  Size: SH
  8. Disconnect the outlet heater hose from the heater core.
  9. Remove the outlet heater hose from the vehicle.

Installation Procedure


    Object Number: 636736  Size: SH
  1. Install the outlet heater hose to the vehicle.
  2. Connect the outlet heater hose to the outlet heater pipe. Ensure that the hose clamps are secured.

  3. Object Number: 636737  Size: SH
  4. Connect the outlet heater hose to the heater core. Ensure the hose clamps are secured.
  5. Lower the vehicle.
  6. Reposition and install the ignition control module. Refer to Ignition Control Module Replacement in Engine Controls - 2.2L (LN2).
  7. Install the air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 2.2L (LN2).
  8. Fill the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.

Heater Outlet Hose Replacement LD9

Removal Procedure

  1. Drain the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.

  2. Object Number: 292739  Size: SH
  3. Squeeze the tabs on the quick-connect (3) in order to disconnect the outlet heater hose from the outlet heater pipe.
  4. Disconnect the outlet heater hose from the outlet pipe.
  5. Disconnect the outlet heater hose from the heater core.

Installation Procedure


    Object Number: 292739  Size: SH
  1. Connect the outlet heater hose to the heater core.
  2. Connect the outlet heater hose to the outlet heater pipe.
  3. Fill the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.

Heater Outlet Hose Replacement L61

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Drain the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.

  2. Object Number: 786506  Size: SH
  3. Use theJ 38185 in order to reposition the heater hose clamps.
  4. Disconnect the outlet heater hose (2) from the outlet port of the engine.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Use theJ 38185 to disconnect the outlet heater hose from the heater core.

Installation Procedure


    Object Number: 786499  Size: SH
  1. Connect the outlet heater hose (1) to the outlet port of the heater core.
  2. Lower the vehicle.
  3. Connect the outlet heater hose to the outlet port of the engine.
  4. Use theJ 38185 in order to reposition the heater hose clamps.
  5. Fill the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.