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Trans Pan Drop and Refill or Fluid Flush?

BlancoSilverado
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AJMBLAZER Enthusiast

AJMBLAZER

Posted
Posted
On 1/11/2021 at 6:42 PM, HistoryTeacher2020 said:

I've had the "clunk," or "shudder," incident twice. I am not hearing of any recalls from my dealership (6mos old truck). I would rather just replace the fluid rather than going through a transmission that fails later on. Also, how do I find what specific 8-speed transmission (number) I have? Please assist. Thank you.

There’s a TSB so if your truck is exhibiting the shudder they will do the fluid flush and refill mentioned. Had mine done a few months ago and it solved the 70mph shake/shudder. 

flyingfool Senior Enthusiast

flyingfool

Posted
Posted (edited)

i have been playing with my TCC lock up and i find i get shudder  when locked in the last gear and in v4 mode. the gear selection and apply time is probably to early and causing lugging on the motor at these low powered  and low rpm's. kinda like a manual transmission car when your in the wrong gear.  except this is designed for max emmisions and best fuel consumption.

Edited by flyingfool
  • 4 years later...
twoloosescrews197900 New Member

twoloosescrews197900

Posted
Posted

don't know if this is getting posted i have 2015 chevy silverado Lt spent hours trying to remove transmission pan read post saying jacking transmission up won't help but it did I removed both bolts on transmission I jacked it up until both bolt threads was out then I took pan side ways n came out went back just as easy not removing anything hardest part new gasket pain to get on 

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