Need to change my CV

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Need to change my CV - 3/5/2007 3:56:52 PM    Tommygunz   Posts: 52 Joined: 11/10/2006 Status: offline Hey all, I need to change my drivers side CV on a 3/4 ton 2001 LT.  I have done that on a smaller FWd car before but never on a full size IFS truck. I am quite a decent shadetree mechanic; I pretty much refuse to have others do my mechanic work. The question is, what special tools will I need for the job. I haven't looked at it yet, will I need a hydraulic press, slide hammer, ball joint seperator or anything like that or is it simple nuts and bolts. I know, I know I need to grab a Haynes for the truck, but its rather new to me and have not gotten one yet.... Please advise.... Thanks Post #: 1

RE: Need to change my CV - 3/5/2007 5:11:26 PM    Dondobe   Posts: 48 Joined: 7/19/2005 From: Tucson, AZ United States Status: offline Tommygunz,   If it's the same as a 1/2 ton it's not to bad of a job. I first loosened the big nut in the center of the hub (before I took the weight off the wheel), jacked up the vehicle, took off the wheel and shock. Then removed the nut in the hub, then the nuts holding the axle to the differential. It took some patience, but it came out. I replaced the axle and CV joints ( I didn't rebuild the CV joint). Not a real difficult job. Good Luck, Dondobe  (in reply to Tommygunz) Post #: 2

RE: Need to change my CV - 3/6/2007 8:46:13 AM    Tommygunz   Posts: 52 Joined: 11/10/2006 Status: offline Sounds good, I have a pretty consistant hum from it right now in 2WD, when 4WD is engaged it hums pretty loudly, obviously from the extra torque applied to the joint. I also beleive it is the cause of my vibration from that area above 70 MPH. Will change in a few weks when I get the cash and time. I will do a nice DIY write up for the site when it's complete. If anyone has any more pointers I would be glad to hear them. (in reply to Dondobe) Post #: 3

RE: Need to change my CV - 3/6/2007 11:36:27 AM    shnormo   Posts: 204 Joined: 2/11/2007 Status: offline It could also be a bad wheel bearing so keep that in mind. _____________________________ http://www.cardomain.com/id/shnormo05 It's better to burn out than to fade away. (in reply to Tommygunz) Post #: 4

RE: Need to change my CV - 3/6/2007 12:41:44 PM    Tommygunz   Posts: 52 Joined: 11/10/2006 Status: offline Right, I was planning on doing bearings at the same time. Kinda makes sense. I have always lived by the motto that if you access a bearing assembly doing maintenance, replace or repack it. (in reply to shnormo) Post #: 5

RE: Need to change my CV - 3/7/2007 10:26:59 AM    Dondobe   Posts: 48 Joined: 7/19/2005 From: Tucson, AZ United States Status: offline Tommygunz, I believe your going to find out that the hub assembly has to be changed in order to change the bearings. I think it's a sealed unit. They are expensive ($200 +) each. I would do the CV joints first and see if the problem goes away first before you spend that kind of money and time  not knowing. Good Luck, Dondobe (in reply to Tommygunz) Post #: 6

RE: Need to change my CV - 3/7/2007 2:10:55 PM    Tommygunz   Posts: 52 Joined: 11/10/2006 Status: offline Oh.... very good, thanks (in reply to Dondobe) Post #: 7

RE: Need to change my CV - 3/7/2007 11:15:42 PM    cj23   Posts: 19 Joined: 11/29/2006 Status: offline Most likely the humming is the wheel bearing. If you ask around some shop do front end inspection for free. (in reply to Tommygunz) Post #: 8

RE: Need to change my CV - 5/1/2007 6:24:48 PM    Tommygunz   Posts: 52 Joined: 11/10/2006 Status: offline Well, climbed under my truck ofr the first time to really inspect things. It is neither the outer bearing our the cv. Both feel very solid and look well. I did chase down the vibration though. It seems to be eminating from the differential. Has anyone had this occurance? Can any technical guru's put my mind at ease and tell me everything will be alright? I lifted the passenger side to see if it would make the same noise and it did not. At low speeds with the windows down I can hear some light clanking, noise seems to go away at slightly higher speeds but anything above about 70 mph and I get light vibration from the front end. If its just a bearing assembly I can probably deal with that, but if I have to dig into that differential I don't think I will be happy. I let a little fluid out, it seemed possibly burnt and a bit thin. I am going to attempt a gear fluid swap before any parts hoping that its all coming from incorrect lubrication and too thin of fluid. Someone please help....... _____________________________ 2007 Dodge Ram QC "Big Horn" 5.9 CTD 2005 Dodge Stratus (in reply to cj23) Post #: 9

RE: Need to change my CV - 5/1/2007 8:14:06 PM    ZX1100F1 Posts: 2429 Joined: 8/1/2006 Status: offline Usually when there is noise like you describe it is either a bad pinion bearing or damaged pinion and/or ring gear. Drain the differential lubricant and carefully inspect it for metal chips, then report back. (in reply to Tommygunz) Post #: 10

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