Quote:
Originally Posted by G_Raw
Hey folks I get a random vibration at shift points. So basically at 1800 to 2500 rpms depending on my driving. It's happened since my lift. I've gone through 3 drive shafts. My stock 2wd was fine when i killed it but i put a different stock 2wd shaft in just to see if it would change. It didn't. I then completed my 4wd swap so now I'm running that driveline. I've pulled my rear third ( regeared) and put my stock third in and it only changes at what rpm and speeds the vibration is felt. I'm wondering if my rear axle is slightly off causing a wierd angle on the drive line that I can't see with my brakes eye. My axle appears centered to me but my pan hard isn't horizontal. Do i need to extend my pan hard more you think?
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The 2wd driveshafts (2 joints) and 4wd rear driveshaft (3 joints) require different pinion angles. The 2wd driveshaft requires the transmission output and pinion yoke to be parallel with each other (like this transmission ---- ___ rear axle). The 4wd driveshaft has the rear pinion pointed at the transfer case output flange. You need to use either adjustable lower links or upper links, or use the 4wd upper and lower links. Either the 2wd upper links or lower links are different from 4wd. I can't remember where I saw that. Maybe Phattyduck's swap?
TLDR; I think your pinion angle is wrong for your driveshaft.
EDIT: Phattyduck beat me to it. That's what I get for not refreshing the page before posting lol
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2000 SR5 V6 Manual 4WD
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2000 Limited V6 Auto E-Locker Sold 3/2022
