I was draining my transmission fluid and instead of fluid really thick green sludgy or slimy goo came out. Any idea on what this is or how bad it is? And/or how to get it out?

Alexandrea Johnson

Asked by Nov 28, 2015 at 02:55 PM about the 1995 Ford Explorer 4 Dr XL 4WD SUV

Question type: Maintenance & Repair

5 Answers


Im not one to power flush a transmission but in the case I think you need to have this performed...

2 out of 2 people think this is helpful.
Tom Demyan

What does your coolant look like? Maybe the they are mixing?


Sounds like the transmission cooler in the radiator has sprung a leak. HTH. -Jim

Angelo Zani

Sure did the cooler in the radiator to transmission split need new radiator

1 out of 1 people think this is helpful.

Does sound like the radiator sprung a leak. You will have to change the radiator first, then flush the transmission. Best performed by a shop that can force in hot new fluid and has a glass collection receptacle where the color of the exiting fluid can be seen. Keep flushing until red only comes out.

1 out of 1 people think this is helpful.

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