Hyundai 35DS-7 Operation Manual page 60

4) DIFFERENTIAL
No Problem
1 Regular noise
2 Irregular noise
3 Noise only at the rotation
4 Lubricating oil leakage
5 Drive wheel stopping
1. Lubricating oil shortage.
2. Incorrect oil specification.
3. Wheel bearing adjustment failure or defect.
4. Drive gear and pinion adjustment failure.
5. Drive gear or pinion gear damage or wear.
6. Large or small gear backlash.
7. Pinion bearing wear or loosening.
8. Side bearing wear or loosening.
1. Irregular rotation of ring gear.
1) Loosened drive gear fixing bolt.
2) Drive gear defect.
2. Differential bearing damage.
1. Differential drive gear and pinion shaft or spider are tightly meshed.
2. Side gear and differential case are tightly meshed.
3. Differential pinion and side gear defect.
4. Thrust washer wear or damage.
5. Too large backlash (between side gear and pinion)
1. Oil leakage at the axle hub carrier side.
1) Too high oil level.
2) Incorrect oil specification.
3) Clogged axle housing breather.
2. Pinion axle leakage.
1) Too high oil level.
2) Incorrect oil specification.
3) Clogged breather.
4) Wear or incorrect assembly of oil seal.
1. Axle shaft damaged.
1) Wheel bearing loosening.
2) Short length of shaft.
3) Stud and nut loosening.
2. Drive gear teeth damaged.
3. Pinion gear of differential side gear is damaged.
4. Spider of differential pinion is damaged.
3-18
Cause