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Date: 3 Jun 2006 12:41:34 GMT
From: Dave Hinz <DaveHinznospamcop.net>
Subject: Re: '85 900 CV/axle replacement


On Sat, 03 Jun 2006 00:24:15 +0100, Charles C. <c.k.christacopoulos.removeme> wrote: > Dave Hinz wrote: >> On Fri, 02 Jun 2006 22:39:13 +0100, Charles C. <c.k.christacopoulos.removeme> wrote: >>> (Good Lord I could do a SAAB boot your vintage with my eyes closed) > I did not mean to sound I am cleverer than you. It just brings back > memories ... :-) It wasn't read that way, no worries at all! >> Well, let's talk about that. Is that just lower ball joint, inner U >> joint, get greasy as hell, and be done? Or how do I get the driveshaft >> out of that CV? > > I assume you only need to change the boot. In the following procedure > you remove the complete drive shaft and hub assembly. > Disclaimer ... don't drop the car on yourself, it hurts. Noted. > Remove the two bolts from upper and lower ball joint to wishbone > connections. Note that in both a 1979 and a 1983 cars I had the bolts > had a fine thread which after that many years has probably gone south. > I got replacement bolts for my 1983 car (a few years ago mind you) which > had the same oversize shoulder but a normal metric thread. I've got this cool machine in the basement that can put whatever thread I want on pieces of metal, so no worries there. > Also note > that the heads of the bolts (i.e. the stronger part of the bolt, go in a > particular direction ... uhmmm I have to think about this .. they have > to counteract the rotational direction ... uhmm maybe). Hm, never noticed that, but I do put those back in the way I found 'em. Check. > To separate drive shaft (half axle another name) from CV joint there is > a circlip. Ah, so it's not like the 95/96/97 with the groove in the shaft and the snapring. I'm glad we had this little talk or that could have been a bad confusion to have. > Half a dozen attempts (you will only get one hit > at a time as the pliers will move off the circlip) and you will move the > CV a bit away ... the rest is straight forward. > If you choose to remove the CV joint from the hub you will need a torque > wrench capable of more than 200 ft/lb to refit, and technically a new > nut as you have to hammer a notch on it against the protruding drive > shaft. Well, I'm also OK with 200 pounds of me, at a foot from the nut on the wrench acting as a torque wrench. But pretty sure I've got one that goes that high. I also have a calibrated kid who would be just right on the end of a 3' pipe. > Having done many boots ... eventually I came to the conclusion (when I > got a new (it was only 10-12 yo at the time) 900, it had SAAB boots. > The after market replacements I fitted did not last the 6 or so years I > had the car. > > Go on replace just the boot. Once you done it a few times it is easy. Great, thanks for your time! Dave

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