GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 37097-A Hose Clamp Remover/Installer

  1. Drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.

  2. Object Number: 130796  Size: SH
  3. Use the J 37097-A in order to remove the heater hose clamps from the heater core.
  4. Use the J 37097-A in order to remove the heater hose clamps from the engine.

  5. Object Number: 305763  Size: SH
  6. Remove the heater hoses from the heater core.

  7. Object Number: 305760  Size: SH
  8. Remove the heater hoses from the engine.
  9. Remove the heater hoses.

Installation Procedure

Tools Required

J 37097-A Hose Clamp Remover/Installer


    Object Number: 305760  Size: SH
  1. Install the heater hoses to the engine.

  2. Object Number: 305763  Size: SH
  3. Install the heater hoses to the heater core.

  4. Object Number: 130796  Size: SH
  5. Use the J 37097-A in order to install the heater hose clamps to the engine.
  6. Use the J 37097-A in order to install the heater hose clamps to the heater core.
  7. Fill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.