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The BMW Range
3 Series
E46
E46 Radiator fan is not working
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<blockquote data-quote="jarance" data-source="post: 441552" data-attributes="member: 21"><p>There are 2 fans. One is the clutch fan and the other is the aux. fan.</p><p></p><p>Aux fan is motor driven and it should either be STOP or slow spinning, medium spinning or fast spinning. The speed is depend on the temperature sensor.</p><p></p><p>However, when the aircon is ON, the aux fan will cut-in regardless of the water temperature.</p><p></p><p>If the water temperature gauge is showing half mark, you dont have to worry. Panic when it starts to go above 3/4 mark.</p><p></p><p>So check the temperature sensor. It should be located on the bottom rubber hose (left side of the radiator)</p><p></p><p>see item 9. (click on picture for more detail)</p><p><a href="http://bmwfans.info/parts/catalog/E46/Sedan/Malaysia/318i-N42/RHD/N/2002/browse/radiator/water_hoses/" target="_blank"><img src="http://static.bmwfans.info/images/epc/MTU4NTE3X3A=.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p><a href="http://bmwfans.info/parts/catalog/" target="_blank">BMW parts catalog</a></p></blockquote><p></p>
[QUOTE="jarance, post: 441552, member: 21"] There are 2 fans. One is the clutch fan and the other is the aux. fan. Aux fan is motor driven and it should either be STOP or slow spinning, medium spinning or fast spinning. The speed is depend on the temperature sensor. However, when the aircon is ON, the aux fan will cut-in regardless of the water temperature. If the water temperature gauge is showing half mark, you dont have to worry. Panic when it starts to go above 3/4 mark. So check the temperature sensor. It should be located on the bottom rubber hose (left side of the radiator) see item 9. (click on picture for more detail) [URL="http://bmwfans.info/parts/catalog/E46/Sedan/Malaysia/318i-N42/RHD/N/2002/browse/radiator/water_hoses/"][IMG]http://static.bmwfans.info/images/epc/MTU4NTE3X3A=.png[/IMG][/URL] [URL="http://bmwfans.info/parts/catalog/"]BMW parts catalog[/URL] [/QUOTE]
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E46 Radiator fan is not working
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