GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 37097-A Hose Clamp Remover/Installer


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

  3. Object Number: 130731  Size: SH
  4. Remove the heater hoses from the heater core.

  5. Object Number: 130759  Size: SH
  6. Remove the heater hoses from the engine.
  7. Remove the heater hoses.

Installation Procedure


    Object Number: 130759  Size: SH
  1. Install the heater hoses 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 theJ 37097-A , install the heater hose clamps to the engine.
  6. Using theJ 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.