Thermostat Replacement, How bad is it? - '08 V6 AWD
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  • 1 Post By RussellBoulding
Cadillac SRX First Generation Forum - 2004 - 2009 Discussion, Thermostat Replacement, How bad is it? - '08 V6 AWD in Cadillac SRX Forums; I was told by an independent mechanic that this looks like a 4 hour job but he's never done one ...
  1. #1
    jonnygm is offline Cadillac Owners Member
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    Thermostat Replacement, How bad is it? - '08 V6 AWD

    I was told by an independent mechanic that this looks like a 4 hour job but he's never done one before and it would probably be over $500.00. I was thinking of attempting it myself but here in MA it's been a little too cold. Can anyone tell me if the location on this car is particularly difficult ? I've never spend near that amount of time on a thermostat before. Thanks!

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    repnatl is offline Cadillac Owners Enthusiast
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    Easiest way is remove strut brace and engine cover then the upper intake manifold as if you were changing the spark plugs. It is underneath that cloth like heat shield at the back of the engine. Not bad I've got it down to 30 mins on mine. Bleeding the air out takes awhile though. Not too difficult if you are comfortable with removing the intake manifold.

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    jonnygm is offline Cadillac Owners Member
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    Re: Thermostat Replacement, How bad is it? - '08 V6 AWD

    There appear to be 3 bolts holding the unit. Are there any tricks to separate it from the solid pipe on the passenger side in order to replace the actual thermostat?

  5. #4
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    glake89 is offline Cadillac Owners Connoisseur
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    Re: Thermostat Replacement, How bad is it? - '08 V6 AWD

    After bolts are out should just separate.
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  6. #5
    johns12 is offline Cadillac Owners Fanatic
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    Re: Thermostat Replacement, How bad is it? - '08 V6 AWD

    This is what the service manual says.

    Drain the cooling system.
    Remove the air cleaner outlet duct.
    Remove the radiator hose from the thermostat housing.
    Remove the heater hose from the thermostat housing.
    Remove the thermostat housing bolts.
    Remove the thermostat housing (1) with thermostat (3), from the water housing.
    Remove and discard the seal ring (2).
    Remove the thermostat from the thermostat housing.

  7. #6
    RussellBoulding is offline Cadillac Owners Fanatic
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    Re: Thermostat Replacement, How bad is it? - '08 V6 AWD

    Book time is 2.8 hrs. But the book accounts for way too much time to remove the intake. Definitely not 4-5 hours though. It can be rushed a lot faster, But 2-3 hours is about right for working at a comfortable pace, cleaning up all the gasket surfaces, draining and refilling all the coolant, using a torque wrench on fasteners, and a good test drive. I'd try to find someone that has done one before though. There's got to be a Caddy or GM specialist near you.
    Tom's Caddy likes this.

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