GM Service Manual Online
For 1990-2009 cars only

Heater Hoses Replacement 2.2L

Removal Procedure

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

  2. Object Number: 302663  Size: SH
  3. Disconnect the heater hoses from the heater pipes.
  4. Disconnect the heater hoses from the heater core.

Installation Procedure


    Object Number: 302663  Size: SH
  1. Connect the heater hoses to the heater core.
  2. Connect the heater hoses to the heater pipes.
  3. Fill the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.

Heater Hoses Replacement 2.4L

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 heater hose (1) from the heater pipe (4).
  4. Disconnect the heater hose (1) from the inlet housing.
  5. Disconnect the heater hoses (1) from the heater core.

Installation Procedure


    Object Number: 292739  Size: SH
  1. Connect the heater hoses (1) to the heater core.
  2. Connect the top hose (1) to the inlet housing.
  3. Connect the heater hose (1) to the heater pipe quick-connect (3).
  4. Pull on the hose in order to verify the connection.

  5. Fill the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.

Quick Connect Retainer

The quick connect retainer is located on the end of the heater outlet pipe on 2.4L applications. You may remove and replace the quick connect retainer if needed. Whenever the you disconnect the heater hose quick disconnect, replace the retainer.