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4wd clunk

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Old Jan 22, 2018 | 10:21 AM
  #1  
coley909's Avatar
coley909
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5th Wheeling
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4wd clunk

During the winter I usually run my hubs locked because I switch in and out of 4wd so frequently with plowing. Lately I have had them unlocked and almost every time I engage 4wd and begin to move or power gets to the front wheels it clunks pretty loudly. I am not sure where to look first because it doens't do it if the hubs are locked in already it's only when they are unlocked...


thank you
 
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Old Jan 22, 2018 | 09:19 PM
  #2  
ncl's Avatar
ncl
Fleet Mechanic
Joined: Oct 2003
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From: Green Springs, OH
Originally Posted by coley909
During the winter I usually run my hubs locked because I switch in and out of 4wd so frequently with plowing. Lately I have had them unlocked and almost every time I engage 4wd and begin to move or power gets to the front wheels it clunks pretty loudly. I am not sure where to look first because it doens't do it if the hubs are locked in already it's only when they are unlocked...


thank you
If it's only when it initially engages I wouldn't worry too much. Most likely its just the hubs and front end engaging. Maybe try to be rolling slightly with no throttle input and see if its smoother. Being stopped and engaging 4wd it may not fully lock in until you roll forward a bit and since you are throttling up it may hit a little harder.
 
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Old Jan 23, 2018 | 09:44 AM
  #3  
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coley909
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tried rolling that seemed to help, rolling backwards doesn't but forwards does help
 
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