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|3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.|
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A little hint.....usually you get this condition with a defective clutch fan.....engine overheats when the car is not moving.......because the clutch is not engaging the fan, thus no forced air.....when driving the engine is cooled through the movement of forced air. Also another way to check the clutch fan is to have someone start the car while you watch & listen to the fan......initially the fan will turn slower than the engine, then the clutch will engage and turn at the same speed as the engine, there also will be a change in sound.....
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Also Shahab is right....thermostat has to be installed with arrow or dot facing up.......
another tip......for checking if the coolant system is bled properly......you will have good heat.....
The engine driven fan not working isn't going to cause overheating, there's still the aux fan in front of the radiator that will push air through the radiator when the car is stopped.
An auxiliary fan is exactly what it is, an auxiliary & it runs off a high temp. temperature fan switch.....& will come on to aid the main engine driven fan during hotter conditions, such as when the a/c is on causing higher temps or when idling & there is no forced air other than the engine driven fan.
Case in point when doing the fan mod. it is recommended to install a low temp. temperature fan switch, so that the fan comes on more frequently. It is also recommended that you install a second electric fan to prevent overheating in hotter climates.....
this is why frontwheel drive transverse engines have 2 electric fans
u n d e r s t e e r . c o m
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