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The BMW Range
5 Series
E39
Aux Fan spin at maximun speed
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<blockquote data-quote="JFT63" data-source="post: 620152" data-attributes="member: 21021"><p>Yup, like u said..i pressure tested the system and found some leak at the radiator and a loose bleeder nut under the radiator..i patched the leak and tightened the screw..poured in 2 bottles of toyota coolant with mineral water but the temp still shot up. My final guess was the fan clutch. It should spin fast and it depends on the engine pressure..i managed to block the shroud with an old slipper and it was confirmed weak..i ordered it from bomin for less than 300 and that solved everything so far..i am a happy man..again, i might be theoretically wrong but this is based on my predicament..my aux fan hardly turns now, the front hood is warm instead of hot..</p></blockquote><p></p>
[QUOTE="JFT63, post: 620152, member: 21021"] Yup, like u said..i pressure tested the system and found some leak at the radiator and a loose bleeder nut under the radiator..i patched the leak and tightened the screw..poured in 2 bottles of toyota coolant with mineral water but the temp still shot up. My final guess was the fan clutch. It should spin fast and it depends on the engine pressure..i managed to block the shroud with an old slipper and it was confirmed weak..i ordered it from bomin for less than 300 and that solved everything so far..i am a happy man..again, i might be theoretically wrong but this is based on my predicament..my aux fan hardly turns now, the front hood is warm instead of hot.. [/QUOTE]
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Aux Fan spin at maximun speed
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