Bmw 1977 automatic transmission

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Bmw 1977 automatic transmission

Hi Guys,

I have 1977 BMW, its an automatic transmission car & this transmission have problem in reverse gear.

Anyone can help me to fix this problem????? Transmission is ZF3HP22.

Please contact me on 0321 2427110

Thanks

Gari.pk User 12363 asked on 21 Dec 2010 09:46:49 am

2 Answers

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Aryan - on 21 Dec 2010 09:47:36 am

Ive encountered this problem in an old 5 series, upon disassembly I found the the reverse clutch drums's main circlip that holds the plates had snapped and come loose out of its housing ripping its O ring too - effectively making it lose pressure and not engage the reverse drive.

It can be fixed with a similar clip lock - I found a thicker clip - as the original one is very hard to come by - and had the drum regrooved slightly that the clip was sitting very tightly in it. This transmission you are using I believe has no definite life and can go on forever with proper oil changes and temperature control - except of this little quirk that happens to it.

Its funny isnt it that this transmission size is quite small compared to the car..

A good transmission repair place can get this sorted - but I would advise that you source a rebuild kit - it'll be in the best interest as the transmission will be opened up all the way.

Alicja - on 06 Jul 2023 17:11:03 pm

It can be fixed with a similar clip lock - I found a thicker clip - as the original one is very hard to come by - and had the drum regrooved slightly that the clip was sitting very tightly in it. This transmission you are using I believe has no definite life and can go on forever with proper oil changes and temperature control - except of this little quirk that happens to it.