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The BMW Range
5 Series
E39
Fan clutch
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<blockquote data-quote="moots" data-source="post: 706895" data-attributes="member: 219"><p>bro huskar,</p><p>can you elaborate on how you concluded that both the new clutches are no good?</p><p></p><p>this is how you shud test it:</p><p>1. start engine (of crs la kan)</p><p>2. drive around for 10 mins</p><p>3. come bag home and open up the hood while engine at idle</p><p>4. rev the engine a bit</p><p>5. if the fan is clutched you will hear the fan roar and you will definitely feel the moving air the fan is pulling</p><p>6. if you don't hear or feel,fan is still at the freewheeling condition....wait maybe 10 mins WHILST WATCHING YOUR ENGINE TEMP INDICATOR</p><p>7. rev the engine a bit</p><p>8. if the fan is still not clutched and your temp is rising from the center position,quickly go far a drive to let ram air cool the engine down</p><p>9.after engine temp back to normal,open the hood and do procedure 4-7 again.</p><p></p><p>if still no good then yr fan clutch is possibly suspect.</p><p>the fan clutch front face basically requires sensing of temperature changes so it requires air flow over it to clutch and de-clutch</p></blockquote><p></p>
[QUOTE="moots, post: 706895, member: 219"] bro huskar, can you elaborate on how you concluded that both the new clutches are no good? this is how you shud test it: 1. start engine (of crs la kan) 2. drive around for 10 mins 3. come bag home and open up the hood while engine at idle 4. rev the engine a bit 5. if the fan is clutched you will hear the fan roar and you will definitely feel the moving air the fan is pulling 6. if you don't hear or feel,fan is still at the freewheeling condition....wait maybe 10 mins WHILST WATCHING YOUR ENGINE TEMP INDICATOR 7. rev the engine a bit 8. if the fan is still not clutched and your temp is rising from the center position,quickly go far a drive to let ram air cool the engine down 9.after engine temp back to normal,open the hood and do procedure 4-7 again. if still no good then yr fan clutch is possibly suspect. the fan clutch front face basically requires sensing of temperature changes so it requires air flow over it to clutch and de-clutch [/QUOTE]
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