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#1 | |
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AF Newbie
Join Date: Oct 2004
Location: orlando, Florida
Posts: 2
Thanks: 0
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740IL thermostat problem
I have a 2000 740IL with 40,000 miles which we just purchased. We have driven it about 1,000 miles on two long trips and suddenly last night it over heated after going about 5 miles. The coolant was extremely low so I filled it back up. Now the thermostat gauge goes right to red when I start the car. Any idea what is wrong?
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#2 | |
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AF Regular
![]() Join Date: Dec 2003
Location: Palm Bay, Florida
Posts: 278
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Re: 740IL thermostat problem
How much time elapsed between adding coolant and restarting the engine?
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#3 | |
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AF Newbie
Join Date: Jul 2004
Location: Lexington, North Carolina
Posts: 48
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Re: 740IL thermostat problem
I would check for a coolant leak somewhere if I were you.
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#4 | |
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AF Newbie
Thread starter
Join Date: Oct 2004
Location: orlando, Florida
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After I posted I did find a leak, but even after 12 hours and with new coolant the thermostat still pegs over red. BMW now has the car because it has a crack down one side of the radiator and they should fix the gauge also. Thanks!!
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#5 | |
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AF Enthusiast
Join Date: Mar 2004
Location: hope mills, North Carolina
Posts: 152
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Re: 740IL thermostat problem
the gauge goes to red until the faults are cleared. then it will return to normal operation.
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