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My mother has a 1992 Buick Century 4 door. When it gets warm after driving the transmission seems to slip out of gear at stops.It revs up and then clunks into motion and carrys on. It never does it while in motion,all fluids are full,any help would be great.
Optional Information: Year : 1992Make : BuickModel: centuryEngine: 3.3 v6
Hello,
Are you checking the transmission fluid level with it in park and the engine RUNNING?
Does the fluid have a foul smell and looks brown?
in park on level ground and running. fluid looks new and smells normal
Thanks,
Most likely its a fluid pressure issue inside the transmission. The only wat to test it is to remove the trans pan and valve body and put air pressure in the system to see where its leaking by the seals. This is very common on older vehicles as the seals wil seal sometimes and not at other times. Sorry, wish there was an easier way to test it...
is this that is replaceable without removing trans from vehicle?
Hi,
The system can be pressurized to test it with the transmission in place, but the seal replacement all depends on where its located inside the trans. It may have to be removed for certain seal replacement.
thank you for your help.is the pressure test something i can do at home or is it for a shop to do?
Unfortunatly, it really needs to be done at a shop. Just call around, alot of shops will offer a free test as long as authorize the repairs needed to correct the problem.
Best of luck my friend!
Thaks for asking!
VW
Experience: 35 years Master Mechanic
thanks
My pleasure