E36 overheating

Post by bmwfan » Aug 08, AM. Post by rlomba » Aug 08, PM.

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?

E36 overheating

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? But I've found now that if I turn the engine off for a few minutes while hot and then have the car idle without moving for about two minutes or so, the fuel gauge can start climbing again. Goes back down shortly after the car starts moving. It's not losing coolant like I'd expect if it had a blown head gasket. Any ideas on what to check?

The time now is AM.

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.

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. Do not try to limp the car home. At this point you have two choices: 1. Call a flatbed tow truck.

E36 overheating

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Leave the engine idle and watch the temperature indicator. Theres no water in the oil and no oil in the water, it doesnt seem to white smoke at all either? Also the coolant system in your car can be crabby. JavaScript is disabled. Goes back down shortly after the car starts moving. For a better experience, please enable JavaScript in your browser before proceeding. Does this still seem like a pump and thermostat jobby? Yes, it's still got the mechanical fan. The least likely culprit is instrumentation. It's been a while, but I believe the coolant temp sensor and one other -- check your Bentley e36 manual. Luckily I managed to undo the remains of the bleed screw so I can just get another one in there now. Thanks guys!! There are now no leaks coming from the car, but it still crept up yesterday. Followed the bleeding procedure as follows until there were no signs of air coming from the bleed tap.

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Or what? Goes back down shortly after the car starts moving. M3 motors require Does it climb up when your driving or at a stand still. Get our newsletter Sign up. Do a new thermostat when you do it and bleed properly. Replies: 2 Last Post: , PM. Thanks guys!! There are also a number of sensors on the M50 that can be included in the preventative maintenance column. Good luck! BMW Models. Good job on it man. Privacy Terms. Theres no water in the oil and no oil in the water, it doesnt seem to white smoke at all either?