1996 Chevy Blazer fluid leak

1996 CHEVROLET BLAZER
85,000 MILES • 6 CYL • 4WD • AUTOMATIC
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BRUCEP
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First and formost let me say this vehical has been babied since new. my wife is the only driver. when she drives at highway speed for about 5 miles it blowes trans fluid out of eighther the vent tube or someplace around the exhaust. If she stayes at a speed under 60 miles an hour it doesnt happen at all but if she goes over 60 it will.
The trans shifts very smoothly and does not slip I WILL REPEAT THE TRANS DOES NOT SLIP AND SHIFTS SMOOTHLY. any help woould be appreciated

thanks
bruce
Dec 29, 2007 at 3:44 PM
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MHPAUTOS
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Hi there,

The first thing is to make sure that it is not being over filled with oil, next is the breather blocked, it is a pressure problem, may be a transmission service, change the filter, (it may be clogged) to start with, and if no improvement a word to a transmission specialist and maybe an internal line pressure test my show up a pump problem.

Mark (mhpautos)
Dec 29, 2007 at 4:31 PM