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Old 02-05-2013, 05:04 PM
ghostfox ghostfox is offline
Dodge Ram Forum Newcomer
Join Date: Feb 2013
Location: Bethel, AK
Age: 37
Posts: 4
Gender: Male
Vehicle: 2009 Dodge Ram
Trim Level: 1500 Crew Cab
Color: Inferno Red
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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ghostfox is on a distinguished road
Default 4WD Help!

Hey Fellow Z-ers,

I need help pinpointing a problem with my truck's 4WD. About the time it quit working I started having a slight grinding sound from the front-left. It would be bad if I put my drive in 2H then quiet down when I put it in 4H, which is where I'm leaving it since it is quieter but my 4WD is not working. Sucks that it went out during a slick winter in Western Alaska.

Anyways someone told me it might be a loose brake pad. I checked and brake pads are good and solid. I though it might be the bearings. I don't think it is since it is riding smooth, just slight grinding on 2H. I've had bearings go out on a Jeep Cherokee and the ride was rough.

A friend with an older Ram said he had the same problem and just had his axle replaced. Said it fixed the grinding problem and he got his 4WD back. If this is the case can I do it myself? Or do I need to take it to a shop? Money is tight these days. Any help or info would be greatly appreciated.

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Old 02-07-2013, 12:18 AM
storeboy storeboy is offline
Dodge Ram Forum Senior Member
Join Date: Apr 2011
Location: East Central Illinois
Posts: 144
Gender: Male
Vehicle: 2009 Dodge Ram
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
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Do you have access to jack the front end of the truck up so that both wheels are off the ground? If you do, spin the tires with the truck in 2H and then again in 4H. The wheels should spin independent of each other in 2H, but in 4H if you spin one wheel forward, the other wheel should go backward.

There is supposed to be an actuator on the front axle that is supposed to lock the front axle shafts together in 4H and 4L. It could be possible that the actuator is not disengaging all the way, which is where your grinding is coming from in 2H.

Hopefully someone else will come along and give you some other ideas also.
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