SSANGYONG Kyron Repair Manual page 303

Inspection of Ring Gear Tooth Contact Pattern
1. Normal contact
Apply gear-marking compound (Prussian blue / red
lead) on the ring gear teeth. Rotate the ring gear and
check the tooth contact pattern.
2. Abnormal contact
Tooth Contact Pattern
1. Heel contact
2. Toe contact
3. Face contact
4. Flank contact
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
Possible Cause
Excessive backlash
• Noise can be occurred
Insufficient backlash
• Tooth can be damaged or
broken under heavy load
Excessive backlash
• Drive pinion shaft is apart
from the ring gear
• Noise can be occurred
Insufficient backlash
• Gear contacts on the low
flank
• Gear can be damaged or
worn
• Noise can be occurred
Remedy
Adjust backlash
(Decrease backlash)
• Select proper shin to move
the drive pinion toward the
ring gear (toward toe)
Adjust backlash
(Increase backlash)
• Select proper shim to move
the drive pinion against the
ring gear (toward heel)
Adjust backlash
(Increase pinion shim)
• Move the drive pinion toward
the ring gear (toward the
center of ring gear)
Adjust backlash
(Decrease pinion shim)
• Move the ring gear toward
the drive pinion (toward the
ring gear center line)
33
4120
AXLE
KYRON SM - 2005.09