GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 37097-A Hose Clamp Remover/Installer

Removal Procedure

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

  2. Object Number: 130796  Size: SH
  3. Using theJ 37097-A , remove the heater hose clamps from the heater core.
  4. Using the J 37097-A , remove the heater hose clamps from the engine.

  5. Object Number: 130731  Size: SH
  6. Remove the heater hoses from the heater core.

  7. Object Number: 474770  Size: SH
  8. Remove the heater hoses (1, 2) from the engine.
  9. Remove the heater hoses (1, 2).

Installation Procedure


    Object Number: 474770  Size: SH
  1. Install the heater hoses (1, 2) to the engine.

  2. Object Number: 130731  Size: SH
  3. Install the heater hoses to the heater core.

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