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Overheating Problem
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<blockquote data-quote="flash" data-source="post: 2207" data-attributes="member: 62"><p>Need some comments from all those sifus out there. This is with regards to my E34 520i M50B20....In the past, the fan clutch is stuck and the fan is always turning. The water temp then is usually 1/4 when on the move or 1/2 in traffic jams.After changing the fan clutch (new one), the water temp is then 1/2 (which is normal). However, now I notice when in traffic jams, the temp will rise to 3/4 or higher.Ok, electrical fan is working and high speed kicks in but temp still keeps going up.Yesterday, with cold engine, when I opened the expansion tank cap, water splurted out from the tank. Water level was supposed to be at the FULL level. Where did the water come from?I have checked my water pump last month. It is ok and is the metal type.Thermostat not changed before.What could be the reason for the rise in the water temp? Thermostat? Or do I need to adjust my fan clutch? :cry:</p></blockquote><p></p>
[QUOTE="flash, post: 2207, member: 62"] Need some comments from all those sifus out there. This is with regards to my E34 520i M50B20....In the past, the fan clutch is stuck and the fan is always turning. The water temp then is usually 1/4 when on the move or 1/2 in traffic jams.After changing the fan clutch (new one), the water temp is then 1/2 (which is normal). However, now I notice when in traffic jams, the temp will rise to 3/4 or higher.Ok, electrical fan is working and high speed kicks in but temp still keeps going up.Yesterday, with cold engine, when I opened the expansion tank cap, water splurted out from the tank. Water level was supposed to be at the FULL level. Where did the water come from?I have checked my water pump last month. It is ok and is the metal type.Thermostat not changed before.What could be the reason for the rise in the water temp? Thermostat? Or do I need to adjust my fan clutch? :cry: [/QUOTE]
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