Finally got my axle swap done and it has some pretty good vibes. Mostly at 50mph and more, with it being worse coasting or off the throttle. I swapped front and rear shafts, no luck. Wheels are tight, i did have to use a file and shave down the casting lip on my stock 99 cast wheels. Could that make them off balance? It has a ZJ disc brake swap. New bearings seals, Rubi backing plates. I just had the gears set up by a friend. It has 4.88 with a true trac. 75-90 oil. I sure would like to get up north for some of the hunt....
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XJ Dana 44 bad vibes
- Thread starter jwebb85
- Start date
Frank Z
NAXJA Forum User
- Location
- Colorado Springs
Need more info...
Lifted?
Stock height?
SYE installed?
T-Case drop?
Proper pinion Angle?
Pics?
Lifted?
Stock height?
SYE installed?
T-Case drop?
Proper pinion Angle?
Pics?
Frank Z
NAXJA Forum User
- Location
- Colorado Springs
No SYE:
Input and Output should be parallel
With an SYE:
Pinion should point directly at t-case output
Input and Output should be parallel
With an SYE:
Pinion should point directly at t-case output
Frank Z
NAXJA Forum User
- Location
- Colorado Springs
I'd recommend putting the rear up on jack stands and spin the wheels. See if they wobble.
Could be bent shaft(s).
Could be bent shaft(s).
Red91Laredo
NAXJA Forum User
- Location
- Portland, Oregon
I had the same issue after swapping my D35 for an 8.25. Check your pinion yoke- is there any play between the u-joint caps and the yoke ears? There should be none at all. 1mm of extra space was enough to cause the same kind of vibes you're describing.
xcm
NAXJA Forum User
- Location
- Southern Oregon
Did you do any welding to the housing?