GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Terrain 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Heater Hose Assembly Replacement

Removal Procedure

    Object Number: 1760675 Size: SH
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Compress and slide the heater hose clamps away from the cowl.
  4. Gently twist the hose to loosen the bond between the hose and the tube.
  5. Remove the end of the hose from the tube.
  6. Repeat Steps 3 and 4 with the other hose.
  7. Compress the heater hose clamp on the inlet coolant line and slide the clamp rearward.
  8. Remove the heater hose from the vehicle.
  9. Compress the heater hose clamp at the connection below the intake manifold and slide the clamp rearward.
  10. Remove the heater hose from the vehicle.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1760675 Size: SH
  1. Install the heater hose to the coolant inlet line fitting. Slide the end of the heater hose over the coolant fitting until the hose is seated.
  2. Install the heater hose to the fitting below the intake manifold. Slide the end of the heater hose over the fitting until it is seated.
  3. Install and seat the other end of each heater hose.
  4. Compress and slide the spring clamps into position on the heater hoses and release the tension.
  5. Fill the cooling system. Refer to Cooling System Draining and Filling .
  6. Lower the vehicle.