On Jul 31, 2009, at 16:09 , jon@dakota-truck.net wrote:
> Michael Maskalans <dml@tepidcola.com> wrote:
>> On Jul 31, 2009, at 12:17 , jon@dakota-truck.net wrote:
>>> I suppose I could use
>>> a wire wheel mounted on an angle grinder/drill to clean off the diff
>>> itself, but I've never tried that because I didn't want to throw
>>> junk
>>> inside of the diff. (I suppose the diff could be stuffed with shop
>>> towels first but I've never bothered.)
>
>> I generally do this, before hosing out the diff with brake
>> cleaner. I
>> spray it all down inside anyway, and itty bitty bits of gasket or RTV
>> certainly won't hurt 8620 gear steel....
>
>
> Ok, speaking of which... :-) You obviously aren't one of the
> folks who worry about brake cleaner damaging the seals in the rearend.
> I've heard conflicting reports on this. I have used brake cleaner
> once to hose out a pumpkin which had a lot of junk in it, but have
> generally avoided it because I just wasn't sure. Do you have an
> opinion on the matter? The stuff evaporates really quickly so I don't
> imagine anything would be staying behind to contaminate the fluid or
> anything, but I'm not so sure about the effect on the soft parts.
Not something I'd thought about. I generally don't have any
unexplained diff leaks that I could blame on the practice but that's
hardly a canon of evidence that it's harmless since I often do have
seeping seals due to an out of balance driveshaft or rip them up when
I break an axle shaft or somesuch....
Mike
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