Pre 84 Trucks 1st gen pickups

79 front driveline spins in 2wd

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Old Jan 16, 2015 | 10:17 AM
  #1  
Vargoks's Avatar
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79 front driveline spins in 2wd

Hey everyone,

Took the truck wheelin last night and now i am getting a rattle from the dual cases. Noticed that the front driveline is still spinning in 2wd. Anyone know how to fix this issue? the rattle becomes louder the faster you drive. It has trail gear dual cases, 2.28 in the front and twin stick 4.7 in the back.
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Old Jan 25, 2015 | 04:06 AM
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i know you probably know this but are your front hubs dis-engaged completely? If not everything up front will still be moving. if they are manual and both unlocked, I would then confirm they are really letting go when you dis-engage them. Let us know.
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Old Jan 25, 2015 | 04:08 AM
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those manual hubs cam get snotted up inside and not slide in and out of engagement. springs could be broken inside as well.
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Old Jan 25, 2015 | 04:12 AM
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Originally Posted by msane99
i know you probably know this but are your front hubs dis-engaged completely? If not everything up front will still be moving. if they are manual and both unlocked, I would then confirm they are really letting go when you dis-engage them. Let us know.
Originally Posted by msane99
those manual hubs cam get snotted up inside and not slide in and out of engagement. springs could be broken inside as well.
X2, raise the front end (both tires) and spin tire by hand as you watch drive shaft.

Might be time to source a 54mm socket.
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