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10-18-2011, 11:29 PM #1
- Join Date
- Mar 2009
NVG263-NP1 Transfer Case 2003 2500HD Duramax output bearing
I replaced the sleeve bearing a few months ago, while replacing a defective shift fork. A couple weeks ago, the speedo became erratic. On investigation, I found that the sleeve bearing has slipped inward free of its bore, causing excessive side play of the output shaft.
There are also now a couple of score marks on the driveline yoke, which appear to be caused by one of the tabs used to lock the rolled-sleeve seam together. When I installed the sleeve, I recall feeling and looking at the seam, and do not recall any "high spots", but I suspect there may have been enough of a "bump" to cause the scoring, and to drive the sleeve forward into the T-case. This was a new GM-supplied sleeve, not any after-market brand. I did not like the design of the sleeve in the first place...due to it simply being a rolled steel and babbit bearing. I believe the original was a seamless tube lined with bearing metal.
I am considering making a bronze sleeve to replace this (IMO) funky part...any comments for or against such a plan?
When I installed this sleeve, I applied Loctite "red" to secure the sleeve, and it was a very tight "drive-fit". This obviously was not sufficient, so I will try Loctite "Sleeve Retainer" #765-1149 on the next sleeve. Again, am I on the right track?
ANY guidance this forum can provide will be greatly appreciated and considered.
Tom in NM
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