Normal Operating Temperature?
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Cadillac XLR Forum Discussion, Normal Operating Temperature? in Past Cadillac Vehicle Discussion; I have a 2007 Base XLR which currently has 18000 miles on it. When its idling, the temperature gauge indicates ...
  1. #1
    wanderer54 is offline Cadillac Owners Member
    Automobile(s): 2016 ATS-V, 2007 XLR, 1970 GTO, 1970 Torino GT
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    Question Normal Operating Temperature?

    I have a 2007 Base XLR which currently has 18000 miles on it. When its idling, the temperature gauge indicates about an 1/8 or a 1/16 of an inch below the 220 degree mark . No error messages, no overheating. I changed and flushed the coolant system today and still getting essentially the same operating temperature and I was just wondering if this is the normal state of affairs for these vehicles. Anyone with any experiences or insights would love to hear from you. Thanks guys!

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    ccclarke's Avatar
    ccclarke is offline Cadillac Owners Connoisseur
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    Re: Normal Operating Temperature?

    It sounds like your engine coolant is well within the prescribed temperature limits. As your engine coolant temperature changes, the cooling fan will compensate. (Oil and transmission temp are linked to this duty cycle too.) For the coolant, the duty cycle of the engine cooling fan triggers on low speed at 204 (F) and switches to high speed at > 235 (F).

    CC

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    wanderer54 is offline Cadillac Owners Member
    Automobile(s): 2016 ATS-V, 2007 XLR, 1970 GTO, 1970 Torino GT
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    Thread Starter

    Re: Normal Operating Temperature?

    Thank you ccclarke for the insight and information. Much appreciated. I was beginning to think that the XLR forum was no more...happy to see it is still alive and kicking!

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