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The BMW Range
5 Series
E39
Engine growls louder aft changing fan clutch
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<blockquote data-quote="ckhaw" data-source="post: 638243" data-attributes="member: 2894"><p>That is bad! if really that's the case, high chance of clutch fan blow up at high rpms. read in other forums that a seized clutch fan blow up causing radiator damages, etc. Not to mention the constant engine load when running time. </p><p></p><p>Clutch fan shouldn't growl when engine is cool. Do what bro bimmerholic suggested, test when engine is cold. If it growls, it's not normal. When warming up engine you should hear it get louder when approaching operating temperature, then it will growl when revved.</p></blockquote><p></p>
[QUOTE="ckhaw, post: 638243, member: 2894"] That is bad! if really that's the case, high chance of clutch fan blow up at high rpms. read in other forums that a seized clutch fan blow up causing radiator damages, etc. Not to mention the constant engine load when running time. Clutch fan shouldn't growl when engine is cool. Do what bro bimmerholic suggested, test when engine is cold. If it growls, it's not normal. When warming up engine you should hear it get louder when approaching operating temperature, then it will growl when revved. [/QUOTE]
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Engine growls louder aft changing fan clutch
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