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8th Gen Drivetrain Transmissions, clutches, and axles.

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post #1 of (permalink) Old 05-18-2017, 06:37 PM Thread Starter
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New guy. Have issues

Hey everyone I'm new here. I own a 2010 impala with 133k miles. I'm having some issues.

First, did a oil change and saw my transmission pan is covered in something. Something is leaking down there. I'll include pics to help. So I checked my tranny fluid and seemed low but a lighter brown color with debris in it very small debris. I added two quarts of dexron vi... kept checking it after it was warmed up and driven some. Level is okay but a light brown color.

I'm guessing it a tranny leak somewhere , but why brown? Not good service intervals? I haven't even put 30k miles on the car.. not even 20k. Car shifts fine even at WOT. Any thoughts?

I'm also getting a p0011 code been for months.. switched out a cam sensor I believe and was okay for awhile. Even after last oil change it was off for months. I keep deleting it and driving it, too my research it shows it could be that magnet? Anyone else fix their car with this code ?

Last thing is a exhaust leak. Sounds to be my muffler, pretty common in these cars? Thanks for any help I do appreciate it.


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post #2 of (permalink) Old 05-18-2017, 06:47 PM Thread Starter
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post #3 of (permalink) Old 05-18-2017, 09:05 PM
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My gut reaction is the trans lines, but that depends. Do you change your own engine oil? If so, do you notice any loss in-between changes? If not then I would definitely look at the trans lines and connectors. The pics help a lot, great job! Aaand welcome to the forum! Hope you get or find all the answers to your questions


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post #4 of (permalink) Old 05-19-2017, 10:21 AM Thread Starter
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Thanks! And no not usually, I just started this oil change and gonna stick with it. I've checked the oil multiple times and never seemed to be low so I would assume without looking at this point it's tranny fluid.

Luckily I just bought a new truck so I don't have to drive the car much right now helps save on it.


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post #5 of (permalink) Old 05-20-2017, 07:25 AM
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Quote:
Originally Posted by Tolson93 View Post
So I checked my tranny fluid and seemed low but a lighter brown color with debris in it very small debris. I added two quarts of dexron vi... kept checking it after it was warmed up and driven some. Level is okay but a light brown color.

I'm guessing it a tranny leak somewhere , but why brown? Not good service intervals? I haven't even put 30k miles on the car.. not even 20k. Car shifts fine even at WOT. Any thoughts?
Brown fluid is not good. First thing I would do would be to drop that pan and and service the tranny. Clean the area underneath as best as possible. Will be much easier to pinpoint a leak if you clean everything up. After getting done set a piece of clean cardboard underneath, might help to see if you are getting any drips to pinpoint where a leak is coming from.

Dunno on the code.
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post #6 of (permalink) Old 05-23-2017, 10:33 AM
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Quote:
Originally Posted by Tolson93 View Post
Hey everyone I'm new here. I own a 2010 impala with 133k miles. I'm having some issues.

First, did a oil change and saw my transmission pan is covered in something. Something is leaking down there. I'll include pics to help. So I checked my tranny fluid and seemed low but a lighter brown color with debris in it very small debris. I added two quarts of dexron vi... kept checking it after it was warmed up and driven some. Level is okay but a light brown color.

I'm guessing it a tranny leak somewhere , but why brown? Not good service intervals? I haven't even put 30k miles on the car.. not even 20k. Car shifts fine even at WOT. Any thoughts?

I'm also getting a p0011 code been for months.. switched out a cam sensor I believe and was okay for awhile. Even after last oil change it was off for months. I keep deleting it and driving it, too my research it shows it could be that magnet? Anyone else fix their car with this code ?

Last thing is a exhaust leak. Sounds to be my muffler, pretty common in these cars? Thanks for any help I do appreciate it.


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Yes, the impy mufflers have been known to rot out
Mine was 8 yrs old and 90k rotted mufflers on the top, and looked the same as yours

The leaking is common
Have a mechanic replace the trans pan gasket, oil pan gasket and any associated o-rings on the fluid lines, check valve covers
and that should fix it

The tranny fluid should be replaced
The engine is mated to the transmission as a FWD vehicles
The engine is known to run hot and if your beat on it often will start to overheat and in such close proximity will wear out trans fluid faster
Heat is enemy to trans fluid
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post #7 of (permalink) Old 05-23-2017, 12:44 PM
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my 2010 had a resonator rot out a 3 or 4 years ago. had them weld in a straight pipe (car is stock) with no extra resonance or noise (maybe a very slight increase in exhaust note). everything else in the muffler is still original.
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