NV 4500 and clutch appear OK, and I'm not happy.

NV 4500 and clutch appear OK, and I'm not happy.

09-11-2004, 02:54 AM

#1 (permalink)

moparguy

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Join Date: Nov 1999 Location: In the country Posts: 942

NV 4500 and clutch appear OK, and I'm not happy.

I've have a super loud tranny/drivetrain noise when the truck is really working hard, pulling the backhoe, or Monarc Pass in Co. with a loaded hunting trailer (what it was doing when this started last fall). Have to be making 30 or so lbs. of boost. Doesn't matter if in 5th or 4th, same deal. You don't know if you're gonna make it another 100 feet.

No load, drive normal, no problem.

Well Peter sent me a new ConO, pilot shaft bearing, and throwout bearing. I had convinced myself that the pilotshaft bearing was bad, causing the input shaft bearing to start to fail.

If not the possibility listed above I expected to find some other easy to spot issues when I tore into things.

Well, I pulled it down today, the pilot shaft bearing is still good at 150k still has grease, could reuse the stock clutch assembly if I needed to. Everything looks great, the input shaft is tight with no undue slop.

I haven't pulled down the tailshaft to check things back there yet, so I may find a problem that I can fix yet. I haven't had any issues with 5th gear coming off, still the factory nut. Oh, the front u-joint was a little rough on one axis.

So, if anyone has any advise on what to check, I'm all ears (eyes?).

Thanks

__________________
95 3500, 4x4, 5 spd, 4.10s, PacBrake, HX40/35, 12cm2 ported & drilled housing, Isspro EGT 50lb. boost, 3K GSK, TST #5, AFC kit 215HP inj, BHAF, 16.5deg

Wifes; 98 12v, 5spd 3500, Isspro EGT & Boost, unkown plate, BHAF, SB Ralley 16deg

1970 340, 4spd. Duster

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