transmission trouble after flush [Archive] - Forum


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12-02-2006, 11:25 AM
So yesterday i went and had my oil changed and my tansmission flushed and the fluid replace with a durablend part synthetic and now the transmission is grinding and missing, and not wanting to shift and red linning the gears and randomly taking itself out of gear. Is that normal? I think not but could you give me your opinion?

12-02-2006, 11:39 AM
First of all... next time use a thread title that has some relevance to the topic. "Transmission" is vague and I should have deleted this but I guess I'm in a good mood this morning ;)

Anyways, how many miles do you have on this trans? From what I remember from others' stories.. you shouldn't have it flushed, you just want it serviced.. new filter, clean magnet, and add fluid. by flushing it, all the little particles that are floating around in the trans and keep it from slipping get flushed out. on top of that, a few have put synthetic fluid in the trans w/ similar horror stories, always swap it out w/ gm spec fluid

12-02-2006, 11:55 AM
It had 47894 and they said it should be around 50000.

12-02-2006, 12:12 PM
It had 47894 and they said it should be around 50000.

Who is "they"? Valvoline?

12-02-2006, 12:18 PM
Monroe... and i checked Valvoline and they said the same

12-02-2006, 01:23 PM
No its not normal... I would have recomended just a pan drop, and filter change, but a flush should not have hurt anything. I would have used dexron III because that what it calls for. I havent heard of any problems with symthetic fluid in that trans, but anything is possible. Bring it back to where you had the work done and have them look at it.

12-02-2006, 01:28 PM
I called the dealership today and they said to bring it in on wednesday because it is still under warranty. Having it flushed isnt going to void the warranty will it its just considered matinence like a oil change right?

12-02-2006, 02:20 PM
A flush shouldn't void the warranty.

What I bet they'll find is a low fluid level.

12-02-2006, 04:17 PM
Well as its goin right now things are gettin worse as i drive it Ill let ya know how things go when i take it in wednesday.

12-03-2006, 08:10 AM
It will not void your warranty. The shop you had the work done at probably didnt know how to fill the trans.

12-03-2006, 06:05 PM
Is it possible for there to be a problem before the flush and the flush just ended up exposing the problem?

12-03-2006, 06:24 PM
Not likely. Anything is possible with cars today, but not likely.