GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Equinox 🢒 Engine 🢒 Engine Electrical 🢒 Thermal Bypass Fitting Replacement

Removal Procedure
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .

    3. Object Number: 1087629 Size: SH
  3. Release and slide the thermal bypass pipe hose clamp (2) away from the thermal bypass fitting.
  4. Remove the thermal bypass hose (1) from the thermal bypass fitting.

    5. Object Number: 1087623 Size: SH
  5. Release and slide the heater outlet hose clamp (1) away from the thermal bypass fitting.
  6. Remove the heater outlet hose (2) from the thermal bypass fitting.

    7. Object Number: 1087359 Size: SH
  7. Remove the thermal bypass fitting bolt (2).
  8. Remove the thermal bypass fitting (1).
  9. Remove the seal from the thermal bypass fitting.

Installation Procedure
  1. Install a new seal to the thermal bypass fitting.
  2. Apply engine coolant to the thermal bypass fitting seal to ease installation.

    3. Object Number: 1087359 Size: SH
  3. Install the thermal bypass fitting (1).

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the thermal bypass fitting bolt (2).

    5. Tighten
    Tighten the bolt to 12 N·m (106 lb in).


    Object Number: 1087623 Size: SH
  5. Install the heater outlet hose (2) to the thermal bypass fitting.
  6. Position the heater outlet hose clamp (1) over the thermal bypass fitting.

    7. Object Number: 1087629 Size: SH
  7. Install the thermal bypass hose (1) to the thermal bypass fitting.
  8. Position the thermal bypass pipe hose clamp (2) over the thermal bypass fitting.
  9. Fill the cooling system. Refer to Cooling System Draining and Filling .
  10. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .