My transmission in my 1994 GMC 2500 van is leaking and can't get it to stop leaking. Not sure what transmission is in it. Can you help PLEASE. & Thank-you.
On most vehicles the transmission information is inbeded the VIN # or vehicle identifation number . Unfortinatly on GMC and CHEVY its not . It is stamped on the passangers side of the transmission at the rear of the oil pan just above the pan gasket you will likely have to clean it off to read it it will be a 9 digit # with letters being in it . The most common transmission for an automatic is the 4L60-E If the forth digit is D thats what it is . As far as the leak goes you need to deturman where its leaking from the pan gasket or the rear oil seal or is it comeing from in front . Transmission do not normanly leak so make sure that its not engine oil you are seeing that is being blowen back witch is much more comon . Transmission fluid is red and smells differant then engine oil and is thinner . Check the oil level on the transmission see if its red and dose it smell burnt if so it will be more black witch is vary bad . Do you have any shifting problems .Also check your engine oil to compare the 2 oils . In a nut shell its your vehicle and your the olny one that actully look at it and looking saves money and blindly replaceing parts costs a lot and rearly fixes the problem
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You match up the trans pan shape & count the numberof bolts. That & lots of avail info, will tell you what trans you have80% of the time, it will be a 4L60E
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