Re: Axle length was 19-5/8" O.A.L. - Saab 9000 Bulletin Board -

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Re: Axle length was 19-5/8" O.A.L.
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Posted by skibumm100 [Email] (more from skibumm100) on Mon, 20 Apr 2020 05:34:18 Share Post by Email
In Reply to: Re: Rebuild your axle, Bill Homer, Thu, 16 Apr 2020 05:20:39
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I tackled this job on Saturday. I had a couple of CV shafts that already had the boots, grease and tripod removed to I inspected one and started the process. Before doing that I took all (7) of the 9000 axles in my possession and measured the overall length from the end of the outboard thread to the inboard end of the axle shaft. These would have all come out of 94-97 Saab 9000's, all FPT, some automatics, some sticks, some Aero's. It's possible one may have been out of a 90 9000T, but I doubt it. It doesn't matter because they all measured the same overall length, 19-5/8".

So the magic number appears to be 19-5/8" long.

I compared the Kotek outer CV boot to the Rein. It is much thicker so I decided to try one. I also used a Kotek inner boot. Outer boot installed fine, slid over the inner end of the shaft and over the outer CV. The inner boot was fine until I started installing it into the car. My guess is the Kotek inner boot is designed for a LPT car as I fought with the inner boot for two hours assaulting the car and boot with a colorful string of expletives so heinous I closed my garage door in case there were women and children within a half mile radius.. I tried everything..... I heated the boot with a hair dryer to make it more flexible, used plastic trim tools to stretch it over the inner driver, etc. I don't know what else I could try. Finally I gave up and took the axle back out, disassembled it, installed a 20+ year old OEM Saab boot and proceeded to put everything back together. I think I have only had one inner boot fail in my years of driving Saabs. We'll see how long this one holds up. I also changed the wheel bearing while I was in there. I believe it was getting worn. Still had grease in it and didn't fall apart but I had noticed the brakes were rubbing going around corners and it sounded like the left front so I changed it. I had three in the parts bin anyhow.

Pro Tip: there is a screw-type hose clamp that I have removed from cars on the inner tripod boot at the driver. It's made by Zebra in Germany and also sold by Wurth. I believe the PN for Wurth is 053917090. It's a 70-90 mm range and it only 9 mm wide. It uses a 7 mm hex bit or screwdriver and can be used instead of the crimp style clamps. It's tough to get the crimper back in there.

The PN for all of the EMPI axle shaft I installed over the years is 80-5329. Made in China.

posted by 165.225.3...
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