Help tranny went... i think?

[wyze]

alright well this is where i am right now
1990 bmw 525i m20a

when i put the car in drive, 1, 2, 3 it feels the same as being in neutral, doesn't move

when i put the car in reverse no problems(thats how i managed to get home, lol)

not sure if the tranny went, or if its just a pin

need help asap!!

i don't know anything about automatics!!

[mamilapon]

Check fluid level

[Bin_jammin]

alright well this is where i am right now
1990 bmw 525i m20a

when i put the car in drive, 1, 2, 3 it feels the same as being in neutral, doesn't move

when i put the car in reverse no problems(thats how i managed to get home, lol)

not sure if the tranny went, or if its just a pin

need help asap!!

i don't know anything about automatics!!

Your tranny is done. It should be a 4hp22, and the fatal flaw with these gives the symptoms you are describing. If you google 4hp22 A Clutch Pack, or 4hp22 Rev in park or Neutral you should find out what you're looking for.

http://www.bimmer.info/forum/showthread.php?t=780

that thread will describe the repair. It's pretty straightforward really, you likely only need to have one new set of clutches installed, and a pair of teflon rings.

[632 Regal]

+1

Your tranny is done. It should be a 4hp22, and the fatal flaw with these gives the symptoms you are describing. If you google 4hp22 A Clutch Pack, or 4hp22 Rev in park or Neutral you should find out what you're looking for.

http://www.bimmer.info/forum/showthread.php?t=780

that thread will describe the repair. It's pretty straightforward really, you likely only need to have one new set of clutches installed, and a pair of teflon rings.

[Atl530i]

Nice job getting the car home :)

[wyze]

damn thanks alot!!
that link kicks ass!
shouldn't be too hard of a job

as for getting home, i never knew how fast these cars go in reverse, i had my friend following me in his civic, apparentely i was going 70+km
and i smoked him off of the lights, lol

thanks again

i'll let you know how things go when i get around to it!!

[Bin_jammin]

I've gotten pretty good at pulling these trannies, I can probably have one swapped in two hours at this point. I'd recommend getting a new bellhousing seal, a new torque converter seal, and a new output shaft seal, save the time and effort while you're in there, prevent leaks in the future. When you go to put the new bellhousing seal in, soak it in warm water first, this will let it swell and actually fit, otherwise you'll just tear it. Ask me how I know :) Before you pull the trans, DRAIN THE FLUID! You don't want to pull the bellhousing and get the surprise of a lifetime when you find out how much fluid a 4hp22 will spill on your floor. Ask me how I know.

Pay attention to the order of assembly. You can do some serious damage to hard parts if you don't, and they suck to try and source. Ask me how I know.

[wyze]

yeah i've done quite a bit of tranny swapping with my e30 so it will only take me a few hours to get it off and back on

thanks for the advice, might as well change the seals now, as for when i get around to it... gotta finish my truck first

and yeah for draining the fluid, changed the gasket and filter, and god damn what a mess that made, lol

[wyze]

oh yeah was searcing around the net and found some great zf 4hp22 sites to add

http://www.shinseiauto.com/japanese/transtar/atzf4hp2204.pdf

http://www.transtec.com/rebuilder_news/3rd_q94r-n.pdf

http://stephane.laisne.free.fr/technic/AutomaticTransmission/DataSheet/ZF/ZF%20%204HP22.pdf

i'll edit if i find somemore

hmm really nice one here:D
right click save as
http://stephane.laisne.free.fr/technic/AutomaticTransmission/DataSheet/ZF/zf4hp22repair.pdf

[Ross]

Member clhorton has been offering a recently rebuilt ZF box in the classsifieds. A trans shop wont give you the time of day for what he's asking.

[wyze]

i would but i'm from canada and shipping would be a fortune, i'm going to find out today how much it is for the a clutch pack w/ superior gasket kit etc

[Ross]

i would but i'm from canada and shipping would be a fortune, i'm going to find out today how much it is for the a clutch pack w/ superior gasket kit etc
What, a hundred or so by truck on a pallet.
I'm gonna buy this trans soon even though none of my cars use it.

[Bin_jammin]

Supposedly, when I was pricing it out, the clutches are $6 a piece, and the metals are $5 each. There's a bunch, it's something like 200 for the whole tranny, but you only need like 6 of each for the A clutch pack. The Teflon seals cost a bit more, something like $90 for the pair.