Changing transmission fluid

Asked by Apr 02, 2019 at 12:04 PM about the 2002 GMC Envoy

Question type: General

What do I do when too much
transmission fluid & can't find
drain plug??

2 Answers


You either need a suction pump to pull from the fill tube OR you have to loosen the transmission pan bolts and let it drain. You should replace the gasket if you go this route.


Drain plug didn't come with it stock. In case you didn't know, Dorman makes a tranny pain with a drain plug, for about $45. Will make future servicing cake.

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