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Home » Public Forums » GMCnet » Re: [GMCnet] Is there a consensus on best type of tranny fluid?
Re: [GMCnet] Is there a consensus on best type of tranny fluid? [message #88847] Wed, 16 June 2010 13:54 Go to previous message
Gary Casey is currently offline  Gary Casey   United States
Messages: 448
Registered: September 2009
Karma:
Senior Member
But, there isn't any aluminum in the oil pump. So where could it have come from?? I'm not sure. As I recall there aren't any wear surfaces against aluminum.
Gary

Previous post:

This winter the tranny started making noise on the way home from work, it sounded like a power steering pump that was low on fluid. I checked them both and they were ok.
when I dropped the pan I could tell the filter was very clogged, causing the pump to cavitate. There were a lot of little specks of aluminum in the pan from the pump!

Now this was after hauling a quad snowmobile trailer about 120 miles loaded with wood 3' high, a couple of heavily loaded vacation trips and using the transmission as a brake going down 7 levels in the parking ramp for work everyday for 6 months.

I changed the filter and fluid twice and it's still going...
I'm hoping for 250,000 miles :d
--
Keith



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