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dpgllg's avatar
dpgllg
Explorer
Aug 26, 2020

Transmission Fluid Change 2013 Chevy Duramax Allison

I'm about to hit 50,000 on my chevy and the GM maintenence guide says I should have the Tranny serviced. My dealer will change fluid and flush for $200. I read on a web site that Allison does not r...
Tow Vehicles
Grit_dog's avatar
Grit_dog
Navigator
Aug 27, 2020
A. You’re dealer is stupid. What they said makes no sense and the price is cheaper than it should be, especially from a dealer, beware
B. Agree on the no power flush. Is that actually still a thing?
C. Have all the fluid replaced with Transynd or equivalent. Change spin on filter ( you should have a couple times by now anyway...right) Any place that knows what they’re doing will pump out the old fluid ( by way of disconnecting a cooler line) and replace fluid. That’s how it should be done.

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