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royp4

Rear fan runs long after engine is shut off

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Hi all,

I have noticed that after my last service at the dealer the engine runs about 8 degrees warmer (about 220f) and the rear fan runs for extended periods after I shut the engine off. The oil pressure also seems to be lower than it was before the service, which included oil change, coolant flush, and coolant replacement. Any ideas on why this might be happening would be greatly appreciated. Thanks in advance.

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What did they fill it with?  Oil type and weight such as 0W-40?  The sensor for the engine bay fan is located between the intake runners on the top passenger side of engine.  There is a rubber grommet that it fits into.  If it falls out, it rests against the engine and when hot, will make the fan run.  How is your coolant level?  Did they vacuum fill the system?  Have you tried "burping" the coolant system by manually lifting the bale wire on the coolant tank?

Edited by DBJoe996

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Thank you for your excellent questions. Oil is 0W-40, fully synthetic. I will check your other suggestions. I truly appreciate your time and willingness to help. I'll update the answers to your other suggestions. Again, I thank you for your help.

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