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Dan
Dan, Auto Technician
Category: Chevy
Satisfied Customers: 3490
Experience:  GM Mark of Excellence/ Service Guild Participant with 13 years experience, ASE Master Certified
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HOW TO CHANGE A THERMOSTAT IN A CHEVEROLET HHR 2006

Customer Question

HOW TO CHANGE A THERMOSTAT IN A CHEVEROLET HHR 2006
Submitted: 8 years ago.
Category: Chevy
Expert:  Dan replied 8 years ago.
What size engine does your HHR have...2.2 or 2.4L?
Customer: replied 8 years ago.
2.4 2006 hhr
Customer: replied 8 years ago.
2006 chev. hhr 2.4
Customer: replied 8 years ago.
2.4 engine 2006 hhr
Expert:  Dan replied 8 years ago.
Engine Coolant Thermostat Replacement (RPO LE5)

Removal Procedure


    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. If the vehicle is equipped with a engine oil cooler perform the following steps, otherwise proceed to step 7.
  3. Reposition the radiator outlet hose clamp (1) at the thermostat housing.
  4. Remove the radiator outlet hose from the thermostat housing.
    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  5. Reposition the oil cooler outlet hose clamp at the thermostat housing.
  6. Remove the oil cooler outlet hose from the thermostat housing. Proceed to step 9.
    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  7. Reposition the radiator outlet hose clamp at the thermostat housing.
  8. Remove the radiator outlet hose from the thermostat housing.
    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  9. Remove the thermostat housing cover bolts and cover.
  10. Remove the thermostat.
  11. Remove and discard the thermostat housing O-ring seal.

Installation Procedure


    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  1. Install a NEW thermostat housing cover O-ring seal.
  2. Install the thermostat.

    Notice: Refer to Fastener Notice in the Preface section.

  3. Install the thermostat housing cover bolts.

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


    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  4. If the vehicle is not equipped with a engine oil cooler perform the following steps, otherwise proceed to step 7.
  5. Install the radiator outlet hose to the thermostat housing.
  6. Position the radiator outlet hose clamp at the thermostat housing. Proceed to step 11..
    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  7. If the vehicle is equipped with a engine oil cooler, install the oil cooler outlet hose to the thermostat housing.
  8. Position the oil cooler outlet hose clamp at the thermostat housing.
    Object Number:(NNN) NNN-NNNN Size: SH
    Click here for detailed picture of above image.
  9. Install the radiator outlet hose to the thermostat housing.
  10. Position the radiator outlet hose clamp (1) at the thermostat housing.
  11. Fill the cooling system. Refer to Cooling System Draining and Filling .