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73-87chevytrucks.com
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73-87 Chevy _ GMC Trucks
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4 Wheel Drives
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Axel shaft spins with wheel but drive shaft doesn't
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Topic: Axel shaft spins with wheel but drive shaft doesn't (Read 2351 times)
op1133882
Newbie
Posts: 13
Newbie
Axel shaft spins with wheel but drive shaft doesn't
«
on:
May 08, 2016, 03:19:46 PM »
83 k10 Scottsdale. I was changing brakes today and was messing around with the locking hubs to check if they were working properly..one works fine the wheel alone spins when it is unlocked and when it is locked it spins the drive shaft. I got to the other side and it's not working properly. When it's locked or unlocked it spins just the axel shaft but not the drive shaft. It's been making a grinding/slipping noise when in 4 wheel under heavy load. Im going to replace the locking hubs but I'm wondering if there is a bigger issue here. When the hubs are locked and you spin either wheel should the drive shaft spin with it? Maybe it's because I only had one wheel off the ground at a time?
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VileZambonie
Global Moderator
Senior Member
Posts: 19022
Re: Axel shaft spins with wheel but drive shaft doesn't
«
Reply #1 on:
May 08, 2016, 06:14:34 PM »
Locking hubs engage the hub to the axle not to the driveshaft. You are spinning the differential. If they engage and disengage they are working fine.
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84 GMC
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85 K20
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86 k20
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1967KaiserM715
Junior Member
Posts: 914
1985 GMC K1500 w/ 6.5 TD
Re: Axel shaft spins with wheel but drive shaft doesn't
«
Reply #2 on:
May 08, 2016, 07:26:59 PM »
You have a bigger issue, sounds like the hubs are working, but something in the diff is bad
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Current Vehicles:1985 GMC K10(Daily) 1991 GMC K2500(Daily) 1975 Beetle(not running) 1985 Mercedes 300D(not running) 1952 M35 1967 M715(not running)
1986 Chevy K30(under repair)
op1133882
Newbie
Posts: 13
Newbie
Re: Axel shaft spins with wheel but drive shaft doesn't
«
Reply #3 on:
May 08, 2016, 07:34:49 PM »
One of the hubs doesn't disengage, which means the differential has been spinning. New hubs are on the way. Hopefully it's easier to diagnose once I know it's not the hubs.
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73-87 Chevy _ GMC Trucks
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Axel shaft spins with wheel but drive shaft doesn't