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Re: CV Joint Posted by eric in vermont [Email]  (#2058) [Profile/Gallery]
(more from eric in vermont) on Thu, 14 Nov 2013 17:12:02
In Reply to: CV Joint, Gary, Thu, 14 Nov 2013 11:11:04 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Hi Gary,
Sounds like you are making excellent progress.
The outer CV joints are a little difficult to take apart and get back together. To take them apart, you need to hold the whole axle assembly in a vise and strike the right part just so. In 30 years of Saabs, I seem to struggle with this step. I have a nice diagram somewhere, that I can email you, to show you just how to do it. Then you can get everything apart and properly clean it and repack it with grease. Getting it back together is also a trick. There's a tension spring that must be compressed all the way around that is difficult without the Saab tool. Some leave the spring out, as they contend that it was only an assembly aid. Others disagree. The point is, there would be no discussion of leaving it out if it was easy to compress and get things back together!
So with that said, I tend to not disassemble the outer CV joint unless I have to. That doesn't mean you can't peel back the boot and push some new grease in there. No problem with that, as long as the boot isn't torn. Then you'd be pushing dirt in. That most likely calls for the dreaded disassembly.
Now the inner joint, at the gearbox, is a piece of cake! You can remove the whole axle and pull it out through the wheel well. The inner CV joint is a TEE axle with two needle bearing caps on the end. I always take those apart, clean the individual needle bearings, and repack it all. You can check your inner drivers for wear along the flats where the tee bearings run. If you feel wear, it's normally in the forward-forcing direction, and you can swap drivers from side-to-side to eliminate the judder as you accelerate through a corner.
One more thing- if you DO decide to pull out the front axle assembly, be careful! Do NOT remove the upper ball joint bolts that hold the coil spring perch in place- it might cause you to lose your head! Literally. From the spring contacting your head at a high rate of speed! So remove the two bolts that hold the steering arm on, on the top side. On the bottom, you can remove the ball joint with no safety concerns. If this isn't clear, look at a diagram in the book or ask more questions. Risking life and limb isn't worth it!
So there's my 2 cents. Others will surely have different thoughts or advice.
eric in vermont
posted by 209.99.208...
, Wed, 20 Nov 2013 13:30:39, Wed, 20 Nov 2013 19:02:23, Mon, 18 Nov 2013 13:00:34, Thu, 14 Nov 2013 17:12:02 <-- Viewing This Message
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