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>Ref 85 Vanagon,
>
>>I notice with winter driving, a lack of heat when the van idles for a few
>>minutes.  If I rev it up to 2000 rpm for a few seconds, the heat returns.
>>I'm thinking that the water pump is not pumping enough to keep the
>>circulation way up to the rad, hence the cold water in the rad is staying
>>there at 1000 rpm.  Could/is this a sign of a weak water pump, or is this
>>normal ?  I havent had the luxury of water heat before this van.
>>
>>Thanks,
>>Larry
>>
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