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2005 buick rainier
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78 Posts
Discussion Starter #1
Peeps,
I need some advice here. Buick Rainier 2005 V8 – 69K miles
P0700 and U0101.
Very rough shift. Lurching, tire squeal, need to shift using the shifter, transmission display does not follow shifter or follows with a couple of seconds delay.
My questions:
Frame Grounds – Where are they located? I know of one on the driver side frame rail. Are there any others?
TCM – Where is that located? I replaced the ECM last year, I seem to recall the ECM ‘holder’ had another assy on the other side? I’ll check that, maybe I dreamt it if it does is that the TCM?
Has happened twice, both times when turning right and car is hot. Also throws the ‘Service Brake System’ light at exactly the same time. Though I have been plagued with Service Brake System messages over the years. I only just put the EBCM back yesterday after hitting the joints with solder…….I don’t think that is the fix for me at any rate.
Finally…please look at pic, the black mark is where the fluid is at hot. Guestimates on how over the full that is? You can just about see the full hole with a pink blob in it. I’m going to suck some fluid out and replace with AC Delco Dexron V1. What I have in currently is a partial replacement done by me about 7 K miles ago using Valvoline Max Life. I think I put about 2 or 3 quarts in, can’t recall but it should have been same amount what I extracted out. I have noticed over time how the initial engage into drive was heavy,….not sure about that Max Life and if that is involved in the issue.
Truck is killing me, I want to get it up and running and CarMax it.

Thanks
 

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I'm not gonna try to read your one big sentence - but your fuzzy, out of focus picture says that you look like you have a quart too much ATF in the unit. Not a bad problem and certainly won't cause much trouble.
 
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