how do you change the transmission oil on a trooper -94? automatic transmission,
bolts to partially drop pan and no drain plug
only thing I could figure on doing myself was to use a suction pump from the
side and drain maybe one or two quarts, refill, run it for a couple weeks and
procedure maybe three or four times
Isn't there a drain plug on the pan? There should be a drain plug and
fill plug. I do not believe there is a dip-stick on this GM auto
transmission, which is supposedly "sealed, maintenance free" .
The best way to service it is to have a "pro" do it with a power
flush... they remove the pan, drain and refill the torque converter
with a pump. If you find a shop you trust (with real mechanics and
not high-school kids who work on your truck the same way they bashed
on their Tonka trucks a couple years before) and is not too expensive
this works out well.
I generally drain whatever fluid I can... around 1/2 total on my
Maxima... and refill. Every 15-20K miles. AT fluid doesn't
degenerate in the same way engine oil does so running with a mix of
old and new isn't an issue so long as you do it more frequently to
keep it fresh.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.