E36 overheating

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I drive a '97 that recently had a problem with the temperature gauge hit the red zone in traffic. The temperature didn't stay there long, though; I pulled into a parking lot to shut it off, but found the temperature would drop when it got moving, so I managed to limp it home. Found out that sure enough, the auxiliary electric fan was dead. It wouldn't do anything when I fed it 12 volts by jumpering the fan relay. So I replaced that, and the new fan does switch on when I give it power. Should be an easy fix, right?

E36 overheating

Original Poster. Search My Stuff What's New 3 12 24 OP Posts Only. Its still overheating almost immediately and no hot air from the heater. These engines seem to have known over heating issues and i suspect that the rad is partly at fault as it was weeping from the coolant low sensor at the bottom of the rad, but that doesnt explain the rapid overheating, the lack of warm air from the heater and the fact that the top hose doesnt seem to be full. I think it could be a thermostat or water pump issue. Any ideas? E38Ross 34, posts months. How long from stone cold is it before the engine starts over heating? Try removing the thermostat as a test.

Thanks to all who responded! Bleed the system before the hot air causes hot spots on your engine which will lead to more serious problems

Post by bmwfan » Aug 08, AM. Post by rlomba » Aug 08, PM. Post by Pat » Aug 09, AM. Post by rlomba » Aug 09, AM. Post by rlomba » Aug 09, PM. Post by Pat » Aug 10, PM. Privacy Terms.

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E36 overheating

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. All of a sudden out of the blue, you glance down and notice that your coolant temperature needle is to the right of the 12 o'clock position, or horror of horrors the red light is on! Now that's dealt with, signal, pull to the side of the road and turn the car off.

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I'm going to have to vote for more vulgarity. I might give that a try tomorrow seems to be an easy enough test. I must be getting old. So i'm assuming it's a very old thermostat if not original?? I am sure you're right if you say so, but ever have one of those moments when you distinctly remember something and it isn't? Knock on wood but I hope there was just an air bubble or two. Check your fan, fan clutch and the auxiliary pusher fan. So heres the story What about lifters? What kind of noises did your engine make? Privacy Terms. Put in a new thermostat when you do the waterpump. No, create an account now. I think this makes people feel more secure, for whatever reason -- ignorance is bliss. Figure it out, fix it on the side of the road because that's how you roll.

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Its still overheating almost immediately and no hot air from the heater. So heres a quick summary of the situation. It will save us all a bunch of time spent explaining things to newcomers. Board index All times are UTC. Is this bad? What kind of noises did your engine make? I seriously need to invest in a gaynes manual! Try Our Other Magazine. I managed to get my thermostat housing and thermostat out and I had to prise the thermostat out with a hammer and screwdriver! Upper Rad Hose. One is basically brand new, the other used but good. These engines are easy to bleed. I would think the radiator is the likely suspect.