Reply With Quoteoh cmooon... someone's got to know how to do it
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Major Contributor
Main rear output seal M50 reaplcement
Hello, I will need to replace my rear output seal on my 1991 BMW 525I with a non-Vanos M50 motor. Can someone direct me to or write a procedure to how to do that?
I have an Auto GM tranny BTW...
Thank you, Artem
Major Contributor
oh cmooon... someone's got to know how to do it
...
5-10 Grand Master
it's varly straight forward, remove exhaust, remove shield above exhaust, unbolt driveshaft from back of tranny and tie off to side, unhook shifter cable/wiring to tranny and lower the back of the tranny by removing the mounts, unbolt torque converter, unbolt tranny and remove, unbolt flywheel and pry out seal, clean seal area, reinstall everything. takes a couple hours if you know what you are doing and have a lift, could take a weekend on jack stands and little experence, about the onlything you can really screw up is not making sure the converter is fully installed in the tranny, sometimes it takes some playing with to get it fully engauged, if you don't get it all of the way in and force it in by bolting the tranny back to the motor you can destroy the transmition, seen it done but it takes some force
all america wants is cold beer warm cat and a place to take a poop with a door on it
Super Moderator
I'll give you the chiltons version, as in condensed..
step1 disconnect battery, step 2 remove exhaust, step 3 remove transmission
step4 unbolt driveplate, step5 remove rear seal and change,step 6 reassemble.
Seriously Artem, its a fairly long process and is written up in any number of manuals from the bentley's,haynes,chilton,mitchell. If you have any specifics you want to ask about i'm sure that someone can help.
Originally Posted by ArtemLepilov
oh cmooon... someone's got to know how to do it
...
Green Beret Special Ops
rear output shaft....is he talking about the transmission seal?
95 E34 530I V2.37
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Those who make peaceful revolution impossible will make violent revolution inevitable.
John F. Kennedy
Super Moderator
He didn't say rear output shaft , he said rear output seal so i'm guessing he means
the rear main seal on the engine.
Major Contributor
Well, I never done that before, so I thought there was something more to it than just a straightforward replacement. I just dont know the mechanics behind a leak (what would cause it), so I thought I had to do some sort of an extensive cleaning and/or repair of something else besides replaceing a seal.
PS. - I was talking about the main output seal on the engine.
-Thank you all, Artem
5-10 Grand Master
I am going to be doing ALL seals on the motor... but it's going to be outside of the car
Major Contributor
I am going to be doing ALL seals on the motor... but it's going to be outside of the car
DYNO THAT CAR!!!!!
5-10 Grand Master
When New Motor Is Innnnn!!!!!111one
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