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2004 XC70 occasional shudder under part throttle

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

2001 - 2007 V70
2004 - 2007 V70 R
2001 - 2007 XC-70
2001 - 2009 S60
2003 - 2007 S60 R

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Re: 2004 XC70 occasional shudder under part throttle

Post by greg850r » Tue Oct 29, 2019 7:39 pm

Well my wife says she felt it again. We got a good 2 weeks out of it. I pulled it from the driver list and it will sit until I have time to take it apart again and go for the fix. I'm going to weld the sleeve to the shaft but we're going to try something a little different. My next door neighbor (1/4 mile away) has the coolest machine shop I've ever seen. They don't do automotive work but he's going to help me out. He said we should machine the splines out of the collar completely and make a sleeve to fit between it and the shaft, bore 2 holes in the collar and sleeve along with an access port in the case for a mig and press fit them to the shaft so the sleeve is concentric with the shaft and then weld the sleeve and shaft together. I'll try to take some pics and document what we do. Not sure when I'll have time to get to it but this should be interesting.

05 Cross Country wagon
99 C70 Convertible
96 850R wagon
96 850T wagon
96 850 GLT 5spd N/A sedan
97 850R 5spd sedan
66 GTO 421SD 4spd
67 GTO 455 T400
02 Powerstroke 4x4
85 Yota 4x4
24' 454 Challenger
07 Softail Custom
02 Sportster Custom
Parts cars not included

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