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Clarification of gen-four 45&5500 4x4 transfercase spinning full time
Hey guys ~ looking to upgrade from a gen-2 2500 4x4 5.9 to a gen-4 5500 4x4. Having a conversation with my mechanic the other day and telling him my plans to upgrade. He proceeds to tell me a story about a customer that brought a gen-4 4500 4x4 to him that was suffering from a bad vibration. This customer had taken the truck previously to the local Dodge dealership. They told him his transmission and transfer case had to be rebuilt and charged him $6000.00. He still ended up having a problem. So he brought it to my mechanic who quickly assessed that the front driveshaft was worn out. My mechanic informed me that in these Dodge trucks the transfer case and front driveshaft spin full-time. I am having a hard time believing that this is so. Can I get some clarification on the matter? |
They do. The driveshafts always turn. You can change front hubs to free spin hubs but that pricey and not really practicle. A driveshaft is simply a tube and u joints. the tube can never wear out. A u joint can, it replaceable. There's a good chance that he just has a driveshaft out of balance or maybe even a tire thats bad or out of balance. People pay alot more than that sometimes chasing problems but unfortunelty, never start with the simple and obvious.
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Originally Posted by 1-2-3
(Post 3345017)
They do. The driveshafts always turn. You can change front hubs to free spin hubs but that pricey and not really practicle. A driveshaft is simply a tube and u joints. the tube can never wear out. A u joint can, it replaceable. There's a good chance that he just has a driveshaft out of balance or maybe even a tire thats bad or out of balance. People pay alot more than that sometimes chasing problems but unfortunelty, never start with the simple and obvious.
The 4500 & 5500 trucks do not use AAM axles, so there is a good chance that they may turn all of the time. |
As above my front shaft on MY 16’ doesn’t turn unless engaged. First time I discovered this was a bit of a shock. I thought I had snapped something up front since the shaft turns freely by hand when not in 4x4. |
Originally Posted by Scotty
(Post 3345067)
As above my front shaft on MY 16’ doesn’t turn unless engaged. First time I discovered this was a bit of a shock. I thought I had snapped something up front since the shaft turns freely by hand when not in 4x4. |
Perhaps I missed something, but unless the truck has free wheel hubs, how is it possible for the front driveshaft NOT to turn, in or out of 4 wheel drive?
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Originally Posted by Mexstan
(Post 3345114)
Perhaps I missed something, but unless the truck has free wheel hubs, how is it possible for the front driveshaft NOT to turn, in or out of 4 wheel drive?
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Thanks for the explanation. Sounds like a lot of bother for not much gain. I will stick with my free wheel hubs thank you and get out of the truck to manually engage them when the need arises.
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I guess I’m still having trouble understanding this.......In the Gen 4 tradesman series 4550 5500 trucks they have the same four-wheel-drive shift lever on the floor that my 01 2500 has. It has a 2 Wheel drive , four low, four high & neutral position. I have to believe that floor mounted shift lever is engaging or disengaging the transfer case????? Why would any manufacturer think it’s a good idea to turn a drivetrain component unnecessarily? |
Originally Posted by Mexstan
(Post 3345127)
Thanks for the explanation. Sounds like a lot of bother for not much gain. I will stick with my free wheel hubs thank you and get out of the truck to manually engage them when the need arises.
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Originally Posted by jtamulonis
(Post 3345093)
what size truck is your `16???
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