> AS I recall from way back - in addition to the filter material and it's > construction - one of the big issues on oil filters for the Vanagons is > that on most oil filters the anti-drainback valve in them is not > adequate for the Wasserboxer engine - and that contributes to the fairly > rapid drain-down of oil in the engines oil galleries and quickly > leading to the infamous Wasserboxer valve lifter/clatter syndrome - > i.e., flat hydraulic lifter. > > Crappy filters you don't want, for sure. But along with a filter of good > construction and material - you also want a good anti-drainback valve. > The Mahle/Mann filters at least have that.
You're right. Some years ago a list member actually emailed Mahle themselves regarding the filter differences. Mahle replied that the Vanagon filter has a better anti-drainback valve than the Golf filter, because that the Vanagon engine is more prone to oil starvation at startup. They also stated that the Vanagon-specific filter has a higher quality filter material than the Golf filter. It's in the archives. - Ron Salmon The Bus Depot, Inc. www.busdepot.com (215) 234-VWVW _____________________________________________ Toll-Free for Orders by PART # : 1-866-BUS-DEPOT |
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