My summer toy (which I dont drive often) began to get a little converter shutter as soon as 4th gear lockup occured (40 MPH) though 55MPH. Transmission is a Built 4L60E, Z pack Clutches, Beast Sunshell and alll the other goodies. Converter is an Edge 9.5in 2600 stall lockup. Transmission is 3 years old and only has about 1000 miles on it. I called the place where the transmission was built and he said when it sits for so long , which it has, sometimes it gets dry and the fluid gets bad sittin gthat long. He said give it a drain and refill with Dexron VI and it should be good. Went to Advanced and picked up 8quarts of Castrol VI and low and behold no more shutter and it shifts harder it seems. I'm a happy man!
Thank You Dexron VI !!
- Thread starter Mkos1980
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Your seals also can get hard as rocks sitting like that. Mechanical stuff is a lot like electronics. Over use will wear them out fast but sitting on a shelf will kill them even faster. The ideal usage of most things will actuary prolong their lives it is when we deviate too far from the design elements that this stuff happens. No one designs vehicles with the intention of them spending most of their time sitting like wise they do not design them with Police and New York taxi fleets in mind either both ends of the useage spectrum's are killers!
So in your case I think a 1-2 ounce maintence dose of Auto-Rx might be a good idea to try and protect those seals from degradation.
So in your case I think a 1-2 ounce maintence dose of Auto-Rx might be a good idea to try and protect those seals from degradation.
Why don't you just drive it more often
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