paul banks wrote: > > If anyone has had a similar experience, I would appreciate some advice. > > My radiator fan seems loud and fast when it kicks in. Usually, the fan is fairly quiet and doesn't seem to turn as fast. > > Is the fan switch malfunctioning, or is there another vanagonesque reason that I am not aware? > > TIA > > Paul Banks > '89 Vanagon Westfalia > > Signup for your FREE NLL FAN account at http://www.nllfan.com Paul, sounds like your hearing the high speed fan kick in. This usually occurs when the low speed fan resistor (behind the left headlight) is "cooked". This is a significant fail-safe response because the low speed fan function isn't doing the job. The low speed usually switches on at 95*C and the high speed kicks in at 102*C, so you should fix this ASAP to keep the cooling system temp at the lower threshold. JP |
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