I'm with Sam. The clutch slave cylinder lives in a completely different and harsher environment than the clutch master cylinder does. There is no reason to expect the part with a cushy life to wear out at the same rate as the one exposed to engine heat and outside moisture. That said, I tend to replace them as a set on Vanagons I intend to keep a long time and travel long distances in, unless I know it has already been replaced. The slave cylinders fail much more often in my experience. Mark Sam Walters wrote: > Actually, it is the opinion of only some that when one goes the other is > sure to follow. > > As I have posted several times before, I once searched the entire > archive for instructions on how to do this job and found folks rather > evenly divided over whether replace one or both. Most of those who say > replace both do so on the advice of their mechanics. > > No one has anything other than anecdotal evidence. And every time both > are changed, it eliminates the possibility that in that van the one that > was still good would continue to function just fine for several more > years. > > The replace both position is repeated more often, but I don't think that > this means that the alleged underlying factual assertion, that both > fail close to the same time, is actually true. > > I have changed out 6 slaves in my years of Vanagon ownership but never a > master. Others have reported only having master cylinders fail. .... > |
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