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PROPELLER SHAFT
6
4.4.1.5 GENERAL SYMPTOMS DIAGNOSIS
SR.
NO
PROBLEM
POSSIBLE CAUSES
REMEDIES
1
Vibration
Improper phasing.
Loose outside diameter.
Slip splines not sliding
easily.
Propeller shaft out of
balance.
Worn U-joint.
Inadequate torque on
bearing strap bolts.
Check propeller shaft for correct yoke
phasing.
Replace shaft centre bearing.
Check the spines if required replace either
front or rear shaft to get the new splines.
Check for missing balance weight.
Replace U-joint.
Tighten the bolts with required torque.
2
Premature
wear
Improper lubrication.
Excessive u-bolt torque on
retaining nuts.
Worn or damaged seals.
Replace the affected parts.
3
Slip spline
wear
Improper lubrication.
Worn or damaged part
contamination.
Lubricate slip splines according to
specifications Check for installed, lengths
check condition of slip yoke splines and
seal.
4
Spline frozen
Check spline.
Lubricate slip splines according to
specifications Check for installed, lengths
check condition of slip yoke splines and
seal.
5
Yoke fracture
Mating
yoke
lug
interference at full jounce
and rebound.
Replace shaft.
6
Contact
damage
Check for centre bearing
bracket
attachments
integrity.
Check for damage to the
underbody of the vehicle.
Normal bearing wear - replace.
Check installed lengths. Realign mounting
bracket to frame cross member to eliminate
interference with slinger.
NOTE
If the propeller shaft is suspected to have excessive run-out contact the concerned DANA SPICER service
engineer.