Service Manual User Manual

Section 6
6-10
10. Noise when driving. 1. Pinion and crown-wheel wear.
2. Gears and bearings loose.
3. Gears and bearings worn.
4. Excessive eccentricity of gears.
5. Lack of lubricant.
6. Incorrect lubricant.
1. Replace.
2. Adjust.
3. Replace.
4. Replace.
5. Fill to correct level.
6. Replace.
11. Intermittent noise. 1. Gear damaged.
2. Cover bolts loose.
1. Replace gear.
2. Tighten to proper torque.
12. Continuous noise. 1. Gear teeth damaged.
2. Worn bearings.
3. Shafts or gear splines worn.
1. Replace.
2. Replace.
3. Replace.
13. Excessive transfer case
noise.
1. Incorrect installation.
2. Incorrect universal joint assembly.
3. Damaged or worn out transfer
case parts.
4. Contamination in the transfer case
or incorrect assembly of parts.
1. Remove and reinstall correctly.
2. Check assembly of the universal
joint and of the flange.
3. Check the condition of gears,
bearings, etc. Replace as
required.
4. Look for foreign particles. Check
assembly of transfer case
components.
14. Friction noise. 1. Fatigued or worn out transfer case
parts.
2. Contamination in the transfer case
or incorrect assembly of
components.
1. Check the condition of gears,
bearings, etc. Replace as
required.
2. Look for foreign particles. Check
assembly of the various parts of
the transfer case.
15. Vibration or intermittent
noise when travelling.
1. Incorrect installation.
2. Incorrect universal joint assembly.
3. Incorrect use of product.
1. Remove and reinstall correctly.
2. Check assembly of the universal
joint and of the flange.
3. Use product correctly.
Transfer Case and Drive Shaft Troubleshooting
Problem Cause Remedy
Model 3606 • Origin 10/99