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6
DRIVE SHAFTS AND UNIVERSAL JOINTS
DRIVELINE
VIBRATION
DIAGNOSIS
(CONT'D)
MEASURE THE
TIRE RUNOUT
RADIALLY
DIAL
LATERALLY
INDICATOR
MEASURE THE
TIRE RADIAL RUNOUT 0.060 IN (2 MM)
TIRE LATERAL RUNOUT 0.100 IN (2.5 MM)
WHEEL RUNOUT LATERAL/RADIAL
0.045 IN (1.1 MM)
WHEEL RUNOUT
LATERALLY
NO CORRECTION (
^
NEEDED
1
m
CORRECTION
NEEDED
REPAIR OR
REPLACE AS
NECESSARY
RADIALLY
OBSERVE THE FRONT DRIVE
• SHAFT OPERATION
1. REMOVE THE REAR DRIVE SHAFT
(MARK THE SHAFT AND AXLE YOKE
FOR ASSEMBLY REFERENCE).
2. ROAD TEST WITH THE TRANSFER CASE
IN4H.
ROAD TEST
NO VIBRATION
E
OR NOTICEABLY
REDUCED
NO CHANGE IN
VIBRATION LEVEL
0
INSPECT THE REAR DRIVE
SHAFT CONDITION
WORN, BINDING WORN, LOOSE
BENT
BRINELLED
BINDING SLIP
TUBE
U-JOINTS
YOKE
EXCESSIVE
PAINT OR
UNDERCOATING
ON TUBE
ROAD TEST
REPAIR OR REPLACE SHAFT
J8916-12
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