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Jack shaft

Posted: Wed Jun 05, 2013 9:28 pm
by themixer
I am working on my 1991 beretta 5 speed. Replacing an axle as it was remanufactured and failed. I bought a brand-new one this time. My problem is the Jack shaft mounting, I have a rear engine mount I move it out of the way to get the jack shaft off. Is it supposed to be on top of the engine mount or under it. I wish I could have taken a picture but I was covered in undercoating I was looking in the factory service manual but Was unable to find anything.

Re: Jack shaft

Posted: Thu Jun 06, 2013 12:44 am
by Luckymc420
I assume your engine is a 2.2L?

Re: Jack shaft

Posted: Thu Jun 06, 2013 8:48 am
by themixer
3.1 5 speed sorry i should have included that. Most of the 2.2s i have seen use a long CV on the passenger side and no jack shaft.

Re: Jack shaft

Posted: Thu Jun 06, 2013 11:44 am
by Barry
Under it. 99% sure

Re: Jack shaft

Posted: Thu Jun 06, 2013 11:45 am
by Luckymc420
That is correct. I thought I had a picture of mine but I can't find it. I won't be able to look for it for awhile because I'm going to Vegas. Ill check back later.

Re: Jack shaft

Posted: Thu Jun 06, 2013 1:37 pm
by themixer
that's the way i had it. god its annoying to take on and off

Re: Jack shaft

Posted: Fri Jun 07, 2013 7:44 am
by themixer
something odd about this jack shaft and the engine mount is that it seems the bolts back out often, I have lost the top jack shaft bolt 2 times now. Can anyone think of a cause?

Re: Jack shaft

Posted: Fri Jun 07, 2013 10:46 am
by 3X00-Modified
Not tight enough, or you didn't use thread locker if you can't get it tight enough.

The only reason a bolt comes out is because it's not tight, or it's in a spot that vibrates rotates enough to require thread locker. That spot I can't see requiring thread locker but if you can't get it tight enough then I would put some on to give it a chance at staying in there.

Re: Jack shaft

Posted: Fri Jun 07, 2013 11:13 am
by themixer
Just put some on this time I will check it in a week