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The BMW Range
5 Series
E39
E39 A/C issue
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<blockquote data-quote="theblackbeast" data-source="post: 685473" data-attributes="member: 19154"><p>Hi Doc, thanks for the tips. My issue was a little different I guess. There were a few items faulty. I am in a conclusion that a/c clutch will not engage if your pusher fan has 100% failed (no electric signal at all). In youtube there is a video of bad pusher fan - the fan still moves but not in full circles. In this situation it still sends signal to ECU and allows clutch to engage. Now I need to source fix for high speed pusher fan issue on cold start. Not sure which sensor are related to measure engine / condenser temperature. </p><p>cheers mate.</p></blockquote><p></p>
[QUOTE="theblackbeast, post: 685473, member: 19154"] Hi Doc, thanks for the tips. My issue was a little different I guess. There were a few items faulty. I am in a conclusion that a/c clutch will not engage if your pusher fan has 100% failed (no electric signal at all). In youtube there is a video of bad pusher fan - the fan still moves but not in full circles. In this situation it still sends signal to ECU and allows clutch to engage. Now I need to source fix for high speed pusher fan issue on cold start. Not sure which sensor are related to measure engine / condenser temperature. cheers mate. [/QUOTE]
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