what is the difference between early build 88 and later build 89 80/90q axles

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Old 06-11-2006, 01:10 PM
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Default what is the difference between early build 88 and later build 89 80/90q axles

inner cv/boot is the same part number
outer cv/boot is slightly different part number
hub is the same part number
same wheel bearing as well

did the outer cv size change? or was the strut/hub different? I have 2 piece strut, were there any 90 quattros with single piece strut?
Old 06-11-2006, 01:20 PM
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Default Got ETKA?

;O)
Old 06-11-2006, 01:21 PM
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thats all i got from etka, everything is the same except the outer cv
Old 06-11-2006, 01:25 PM
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hub housing is also different, wondering if i can rig a later cv on there
Old 06-11-2006, 01:25 PM
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Have you pulled your hubs yet?
Old 06-11-2006, 01:26 PM
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no, need car for work, all this stuff can be fixed in couple hours if the parts are correct
Old 06-11-2006, 01:26 PM
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The later CV has a larger axle, which goes thru the bearing/hub?
Old 06-11-2006, 01:28 PM
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Default but inner cv is the same... so by process of elimination in order to use new cv, change hub housing.

since inner cv, hub, wheel bearing and axle shaft itself is the same part number
Old 06-11-2006, 01:41 PM
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Default My parts supplier shows a VIN split for two different bearings for the 1988 90 Q.

351 001*- Has the stepped bearing...
Old 06-11-2006, 05:45 PM
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Default I've got 3 early-build 90q's...

rear struts are 1-piece. The outer axle stub is different, as well as the hub and wheel bearing.

What are you trying to do? Outer CV gone bad? You'll need to order the outer CV for the later build '88... after the VIN split. It doesn't use the threaded axle stub and nut like the early build/4kq... it uses the inner threaded stub and long bolt like the front axle.


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