GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Equinox 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Heater Outlet Pipe Replacement

Removal Procedure
  1. Remove the injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .
  3. Remove the air cleaner air intake duct. Refer to Air Cleaner Inlet Duct Replacement .

    4. Object Number: 1087786 Size: SH
  4. Remove the manifold absolute pressure (MAP) sensor bolt (3) and bracket (2).
  5. Rotate the MAP sensor out of the way of the heater outlet pipe.
  6. Disconnect the evaporative emissions (EVAP) pipe from the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service .
  7. Disconnect the electrical connector from the EVAP canister purge solenoid.
  8. Disconnect the exhaust gas recirculation (EGR) valve electrical connector.

    9. Object Number: 1087623 Size: SH
  9. Release and slide the heater outlet hose clamp (1) away from the heater outlet pipe connection.
  10. Disconnect the heater outlet hose (2) from the heater outlet pipe.

    11. Object Number: 1327503 Size: SH
  11. Release and slide the heater core outlet hose clamp away from the heater outlet pipe connection.
  12. Disconnect the heater core outlet hose from the heater outlet pipe.

    13. Object Number: 1087631 Size: SH
  13. Remove the heater outlet pipe nut (1) securing the heater outlet pipe (2) to the intake manifold.
  14. Remove the two nuts (3) and bolt (4) securing the heater outlet pipe to the throttle body.
  15. Remove the heater outlet pipe (2) from the engine.

Installation Procedure

    Object Number: 1087631 Size: SH
  1. Install the heater outlet pipe (2) to the engine.

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

  2. Install the heater outlet pipe nut (1) securing the heater outlet pipe (2) to the intake manifold.

    3. Tighten
    Tighten the nut to 25 N·m (18 lb ft).

  3. Install the heater outlet pipe to the throttle body nuts (3) and bolt (4).

    4. Tighten
    Tighten the nuts and bolt to 10 N·m (89 lb in).


    Object Number: 1327503 Size: SH
  4. Connect the heater core outlet hose to the heater outlet pipe.
  5. Position the heater core outlet hose clamp over the heater outlet pipe connection.

    6. Object Number: 1087623 Size: SH
  6. Connect the heater outlet hose (2) to the heater outlet pipe.
  7. Position the heater outlet hose clamp (1) over the heater outlet pipe connection.
  8. Connect the electrical connector to the EGR valve.
  9. Connect the electrical connector to the EVAP canister purge solenoid.
  10. Connect the EVAP pipe to the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service .

    11. Object Number: 1087786 Size: SH
  11. Reposition the MAP sensor.
  12. Install the MAP sensor bracket (2) and bolt (3).

    13. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  13. Install the air cleaner air intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  14. Fill the cooling system. Refer to Cooling System Draining and Filling .
  15. Install the injector sight shield. Refer to Fuel Injector Sight Shield Replacement .