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2008 ram 1500 Center Axle Disconnect

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Old Nov 26, 2022 | 12:57 PM
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Default 2008 ram 1500 Center Axle Disconnect

Hello everyone, I'm new to here. I have an issue and am having a hard time find a resolution through google and whatnot, so I'm asking for some advice on here. My 4x4 wouldn't engage, so I figured that the front axle actuator was shot. I was replacing the actuator and realized that the axle disconnect collar (#7) is seized onto the intermediate shaft (#10). I was wondering what you would have to do to get that freed up and what replacement parts would be necessary to buy. Thanks for any help.


 
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Old Nov 26, 2022 | 01:24 PM
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Hit it wih some chems (PB Blaster is my favorite) and try and tap it over with a hammer. If you can get it freed up, just clean it REALLY well, make sure it moves smoothly by hand, and lube it up, and reassemble. (replace any seals while you are there.)
 
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Old Nov 26, 2022 | 02:21 PM
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Thank you for the reply. I forgot to mention that there's some metal shavings in the CAD housing, about 1/4 inch long. I was thinking maybe the splines for the collar (or maybe even intermediate shaft) are possibly toast. With the truck in 2wd, the driveshaft to the front diff spins the intermediate shaft and collar smoothly without any noise or hesitation. I was thinking of getting a new intermediate shaft, collar and any bearings/ seals that need to be replaced in case they're shot. I dont want to tear into it without the necessary parts either since I drive it daily. With that being said, I dont know where to start with the removal of the intermediate shaft either. Thanks again
 
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Old Nov 26, 2022 | 02:29 PM
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Well, it's been my experience, that regardless of how many parts you collect for a particular job, you never have everything you need.

I also believe that Murphy was an optimist.

See if you can find a digital download of the service manual for your truck. If not free, you can usually find 'em for under 40 bucks. For the newer stuff, having the manual is just about a requirement.....
 
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Old Nov 26, 2022 | 04:20 PM
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I find that every time I fix one thing, I find something else that needs fixing haha I bought this truck without the 4x4 working, previous owner bought it off a guy that decided to "partially remove" the cv axles (stub shafts both sides were toast as well), so I replaced all that thinking that would fix the 4x4. Next thing I figured needed fixing was the front 4x4 actuator, so I bought a replacement and found the collar didn't moved at all and there was those shavings in the housing. In hindsight, I should of just taken off the actuator beforehand and found all this out before ordering the actuator, but we know how that goes haha

I ended up finding a complete service/ repair manual online for free that had the whole procedure, so thank you for that advice. I never thought of even looking them up, and never got around to buying a Haynes one. Having that manual on hand is a game changer, that's for sure (over 10,000 pages!). All advice is much appreciated and thanks again
 
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Old Nov 26, 2022 | 04:35 PM
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I have had the issue of fixing one thing, and something else breaks too. I take on it was, fix stuff until something breaks you don't care about.... then DON'T fix that, and nothing else breaks. At least, in theory......

With the newer vehicles, Chilton and Haynes just don't cut it. They are far to generic. You need specifics, and the only way to get that is the factory manual.

Free is an excellent price.
 
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