bad noise while in 4x4
01-23-2012, 03:34 PM
#1
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bad noise while in 4x4
Only makes noise while in 4x4. Not really a grinding noise. More like a bad bearing almost like a bearing holding the axle up has gone bad and the meshing of gears is bad. I don't know much about the gear set-up in the pumpkin. 4X4 still works, but i don't use it unless i going really slow and really need it. Help me please.
01-23-2012, 05:36 PM
#2
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Your axles turn all the time so if it was a carrier bearing or pinion bearing it would groan in 4X4 with the CAD system, as would the front driveshaft u-joints.
The axle steering knuckle U-joints turn all the time as does the wheel bearings. Search "Unit bearing".
Transfer case?
The axle steering knuckle U-joints turn all the time as does the wheel bearings. Search "Unit bearing".
Transfer case?
01-25-2012, 09:56 AM
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I had to use 4x4 the other day. The only time it didn't make noise was that sweet spot between putting a load on it and no load on it. Even then it might have but it was much quieter.
01-25-2012, 03:48 PM
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Just crawled under it. Looks like there is a bearing in the yoke of the front axle that is shot. I can wiggled the driveshaft around quite a bit. Is this hard to replace?
01-25-2012, 05:44 PM
#6
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If yo are talking u-joints, no, I would recommend replacing them all in the front driveshaft, the others will probably go soon.
You will need a shop press or similar tool to press the old ones out and new ones in with out damaging the needle bearings. That is usually the cause of ruining them. A shop should be able to do them both for under $100 with warranty.
If its the front carrier bearing, which supports the shaft coming out of the back of the differential, I believe you need to pull the yoke to r/r the bearing. Not as simple as a u-joint.
You will need a shop press or similar tool to press the old ones out and new ones in with out damaging the needle bearings. That is usually the cause of ruining them. A shop should be able to do them both for under $100 with warranty.
If its the front carrier bearing, which supports the shaft coming out of the back of the differential, I believe you need to pull the yoke to r/r the bearing. Not as simple as a u-joint.
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01-26-2012, 05:26 PM
#8
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I do all my own gear work, but you need specific tools and skills to do it right.
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