Reply With Quotewith a vague complaint as you have it could be anything or nothing. When does it over heat? What other symptoms? What have you done so far? Is it a Yugo? They have all sorts of problems.
how do I diagnose which part is causing cooling system failure?
I posted earlier about my heat sensor coming on.
How do I know if it's my coolant pump or some other cause?
Thanks for any advice.
Green Beret Special Ops
your post lacks details,
with a vague complaint as you have it could be anything or nothing. When does it over heat? What other symptoms? What have you done so far? Is it a Yugo? They have all sorts of problems.
95 E34 530I V2.37
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Those who make peaceful revolution impossible will make violent revolution inevitable.
John F. Kennedy
It's a 1990 BMW 525i with 236k miles. It overheated yesterday after driving about 10 miles. The engine temp sensor displayed - the first time it has ever done that. The temp dial went to the red. I stopped for severla minutes, drove a little more then stopped,....until I arrived home.
I started the car this morning and it sounded fine - it was cold of course. However I did not drive it.
Major Contributor
Easiest and quickest thing to check is the thermostat- it might be stuck closed, stopping coolant from recirculating. After that you may want to look at the water pump, which is more difficult and messy to replace.
Custom Turbocharged 1991 535iM - 135k mi.
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