1123 / 1906
PROPELLER SHAFT
6
10.5 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.
Centre bearing rubber
failed (4x2).
Shaft is bottoming.
Check propeller shaft for correct yoke
phasing.
Replace shaft centre bearing.
Check the splines 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.
Mark on spline shaft and tube yoke to be
matched.
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.