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Old 10-21-2011, 12:44 PM   #1
Efanatic
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E46 transmission warnig light and jolt after an atf change

I recently brought my car to a reputable shop that specializes on BMW cars..
these are things that they did on my car

- change atf
-atf filter
-atf gasket
-oil filter gasket
-change O-ring

then we started the car ive noticed that the transmission warning light went "ON" then he diagnosed it over the computer and he said that every is working normal.

so on my way home ive noticed that whenever the tranny downshifts i can feel a strong jolt/jerk..but before i bring my car to the shop i didnt felt that jolt..hope you can share on your inputs on this...thanks
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Old 10-21-2011, 12:49 PM   #2
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Ooooooooooh boy! This is exactly what I don't want to hear. There are so many variables. What fluid did he use? Are you sure he filled the fluid correctly and that the fluid is full? I mean even though a few people have reported their tranny failing after a fluid change, I seriously doubt the failure happened as soon as they changed the oil.

First, I would stop driving the car immediately and second you need to bring it back to the shop and have them recheck all of their work.
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Old 10-21-2011, 12:57 PM   #3
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they use red line d4 atf..i asked the mechanic how many liters...he told me that he put 6 liters of atf..
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Old 10-21-2011, 01:02 PM   #4
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they use red line d4 atf..i asked the mechanic how many liters...he told me that he put 6 liters of atf..
Well, did he read the transmission sticker to make sure that it was the correct ATF you need before just throwing it in there? Not all of our trannys use the same fluid! This doesn't sound good. Do you have an automatic or manual by the way? This would be helpful to know.
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Old 10-21-2011, 01:28 PM   #5
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they use red line d4 atf..i asked the mechanic how many liters...he told me that he put 6 liters of atf..
My e46s bout 160k drained and filled with textar no problems smoother shifts, but definitely more than 6qt
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Old 10-21-2011, 02:34 PM   #6
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Redline fluid works just fine, its what i use. BMW labels their fluid "lifetime" but preventative maintenance always works. I would keep driving the car and if you experience any tranny problems, then definitely stop driving it and take it back to the shop.
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Old 10-21-2011, 02:38 PM   #7
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Redline should be fine. It sounds as though it wasn't filled completely. My brother's car did the same thing. He jacked his car up at an angle. Was fine at first, but later on developed jolts as it was shifting. I put the car up in the air again, on all 4 points, and pumped more fluid in. Took almost 2 more bottles of D4 before it began to overflow. Problem solved.
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Old 10-24-2011, 09:11 AM   #8
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guys problem solved regarding the jolt..when i pop the hood they forgot to connect the wire on the MAF sensor..thanks for your inputs..but ive noticed when i parked the car overnight there is a delay when on the transmission about 5-6 seconds but after that it will run normal again...what could be the cause of transmission slip on cold start...thanks
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Old 10-24-2011, 11:35 AM   #9
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guys problem solved regarding the jolt..when i pop the hood they forgot to connect the wire on the MAF sensor..thanks for your inputs..but ive noticed when i parked the car overnight there is a delay when on the transmission about 5-6 seconds but after that it will run normal again...what could be the cause of transmission slip on cold start...thanks
Like someone else stated above, they may not have filled up with the correct amount of fluid. You should take it back and make sure the fluid is topped off.
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Old 10-24-2011, 12:26 PM   #10
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I'm sorry about your troubles. With proper maintenance these transmission will last longer than you intend to own the car. As far as Redline D4, I'll also chime in with my "approval". 34k on current Redline D4 charge and all is well.

My suspicion is also on a possible underfill. I hope the garage remembered that the tranny has to be put through the gears (then left in neutral) with engine running and brought up to temp before filling. Were you able to watch the filling process? If the car wasn't running, then the tranny is definitely underfilled.

Big difference from a manual tranny where it's supposed to be checked with the engine off.
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Old 10-24-2011, 03:19 PM   #11
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There's no such thing as lifetime fluid. On the auto trannies, you need to do a complete flush, it requires special equipment and people who know how to use it.
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Old 10-24-2011, 03:34 PM   #12
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Big + on bringing the temperature up for the refill.

Quote:
Originally Posted by cvx5832 View Post
I'm sorry about your troubles. With proper maintenance these transmission will last longer than you intend to own the car. As far as Redline D4, I'll also chime in with my "approval". 34k on current Redline D4 charge and all is well.

My suspicion is also on a possible underfill. I hope the garage remembered that the tranny has to be put through the gears (then left in neutral) with engine running and brought up to temp before filling. Were you able to watch the filling process? If the car wasn't running, then the tranny is definitely underfilled.

Big difference from a manual tranny where it's supposed to be checked with the engine off.
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