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Coeur d'Alene, Idaho
 
Join Date: Aug 2017
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CV bolt torque?

In garage greasy n cant find this. Anyone on?
Old 08-27-2017, 08:02 PM
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30 ft-lbs or 42 Nm
Old 08-27-2017, 08:27 PM
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Coeur d'Alene, Idaho
 
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Tx!! Perfect timing
Old 08-27-2017, 09:25 PM
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mating surfaces and threads need to be acetone clean or the bolts will back out in time.
Old 08-28-2017, 02:51 PM
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Coeur d'Alene, Idaho
 
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I've been dealing with these exact bolts for decades and agree you have to pay attention. I long ago gave up on keeping them clean during install (except the bolt head mating surface - crucial), however. Its always a struggle to repack the joints fully and then juggle that thing up into place without the grease getting where you don't want it. Bump the flange? Boom - start over. The joint flops out of the boot and swivels? - boom 3 holes have grease in them. Too much grease or the axle suddenly shoots toward the flange while you're holding it in place to start the first screw? Like a pile driver grease just got shoved all over the flange. It's a nightmare and I just bolt them up at proper torque, then check after a hundred miles or so.

Equally important is getting the reinforcing plates on. Some people ignore those but they're a crucial part of not having the assembly flex during rotation and start loosening fasteners.

One question. Other vehicles I've had (the Quattro has 48 of these!) use a serrated washer as a lock washer under the bolt head. Mine had none and looked original. Are there supposed to be washers, or no? Thanks.

Doug

PS - Porsche dealer had zero on hand at $15 each. Got new ones at the VW dealer for $3.50 each.
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84 944, 87 Vanagon, 88 Mitsubishi Van Wagon, 88 Supra Targa, 1990 Audi 90 20V Quattro sedan, 1992 Lexus LS400, 1993 LandCruiser, 1997 LandCruiser, 2017 Subaru Outback.
Old 08-28-2017, 04:25 PM
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No Schnorr washers on the 944 CV joints. The 911 uses them on some years.
Old 08-28-2017, 04:33 PM
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Coeur d'Alene, Idaho
 
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Ah - there's the washer name. Thanks. Oddly the Vanagon uses them. To handle its 95hp engine!
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84 944, 87 Vanagon, 88 Mitsubishi Van Wagon, 88 Supra Targa, 1990 Audi 90 20V Quattro sedan, 1992 Lexus LS400, 1993 LandCruiser, 1997 LandCruiser, 2017 Subaru Outback.
Old 08-28-2017, 06:25 PM
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Quote:
Originally Posted by IdahoDoug View Post
In garage greasy n cant find this.
Been there

Sorry I couldn't deliver - those who did, I also thank you!
Old 08-29-2017, 05:24 AM
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