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rdn09 03-20-2012 12:04 AM

Transmission Problem! Please Help no D
Hello Everyone, I had a question.
So after filling up my car on Sunday, i drive my car into the parking lot of the gas station and am behind a few cars at a stop sign. Everything is working fine when suddenly i try to move forward and my car wont move. The engine is perfectly fine and no extra lights on my dash turn on. Strangely enough my car will move in reverse. I played with the gears back and forth for a bit hoping it was just a glitch. Over all though I was stuck in the parking lot.
I get my car towed home and take on the challenge of changing the transmission oil and filter since it has over 100 thousand on it hoping that may be the solution (though not to much hope). I just finished, and when i try to drive the car doesnt really go, i mean if I rev it to 2,500 it will slowly pick up speed, but not normally by a long shot. IDK what it could be, im thinking oil trany pump?
So if any one has any ideas im more than happy to hear them
Thank You
The car is an 01 325i with the 5HP something numbering im pretty sure. Its automatic, and its not making any new sounds that i can tello, and ive been under the car while its on for a few minutes.

white46 03-20-2012 12:08 AM

i think you need to get new tranny.

Mango 03-20-2012 01:36 AM

Yeah. it's done for. not sure why you'd think changing the fluid would magically make your trans work again.

Stickbuilder 03-20-2012 07:01 AM

Sounds as if you fried your front pump. You will need to pull the transmission to repair it. The valve body has to come out to pull the pump. I'd recommend getting a rebuild kit and a reman torque converter. It will cost you less than a thou to do it yourself.

rdn09 03-20-2012 01:52 PM

I like the idea of rebuilding it. the oil change was mostly because i wanted to change the filter in case it wasnt allowing enough oil for the oil pump to go through since it had over 100K on it. Strange, I know but it was a hopefull action. The rebuild kit sounds good im not scared of doing some manual labor, how ever hard this may be. Thanks. so there is a chance its the oil pump? Otherwise im lost and dont understand why it still works in reverse.
If you guys have any more ideas im all ears.

CaptainOversteer 03-20-2012 02:03 PM

time for a new tranny....

Stickbuilder 03-20-2012 05:32 PM


Originally Posted by CaptainOversteer (Post 14206687)
time for a new tranny....

Not hardly. There is not one thing wrong with doing the rebuild yourself. I'm a retired Auto Dealer General Manager, and I don't mind getting my paws a little dirty.

rdn09 03-30-2012 10:16 AM

Ok, so for all that said i needed a new tranny.... wrong. I just replaced it and i have the same problem still. In addition there are still no error codes, and all the fuses are good. Any other ideas?

rdn09 03-30-2012 10:17 AM

Oh yeah its the ZF 5HP-19 Transmission

bmwstephen 03-30-2012 12:08 PM

wait so when you replaced it. did it even go into gear?

rdn09 03-30-2012 04:09 PM

The car acts the same, reverse works fine it shifts into P, R, N, and D but in d the car has to rev up to nearly 3000 rpm before it starts to inch forward and eventually pick up speed.

curt2199 03-30-2012 04:14 PM

What did you replace it with? Did you rebuild it yourself? New trans? New rebuilt?

rdn09 03-30-2012 04:19 PM

Used Transmission with many less miles and 100 day warranty. I have mine in the back of my truck... Well anyways to be honest it feels as if it was stuck in 5th or one of the high gears, but idk.

curt2199 03-30-2012 04:23 PM

When they replaced the transmission, did it come with a new or new to you torque converter? Sounds like the converter is slipping (more than it's supposed to).

rdn09 03-30-2012 04:27 PM

SO its also a diffrent torque converter and brand new oil.

curt2199 03-30-2012 04:30 PM

Ok what about the lines and the tranny cooler.. were they replaced or flushed out so you know the coolant is circulating?

curt2199 03-30-2012 04:37 PM

Also, this will probably seem odd but our cars are really sensitive to bad or failing batteries. When voltages drop, all sorts of weird things can start happening, even involving the trans due to the modules that control it, throwing it into limp mode. Have you changed the battery recently or do you have access to a verified good battery or jumper cables/charger?

tedfredrick 03-30-2012 04:42 PM

Did you get a new torque converter???

rdn09 03-30-2012 04:57 PM

So i didnt get a new torque converter, but i did get a diffrent one and the reverse works fine so the power is getting there. As for the battery, It is charged, but i will double check it. Any other ideas, just incase its not the battery?

bmwstephen 03-30-2012 04:59 PM

i just hope the slotted in the TC correctly. if you go on youtube for tranny rebuilds, they emphasize to do the 3 click method jsut to verify it is seated correctly.

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