Page 1894 - Foton Workshop Manual - Tunland (AT)

41-42 TRANSMISSION（6HP21） - TRANSFER CASE（4WD）

Malfunction Symptoms Possible Cause Reference
3. Tire (improper pressure) -

Chapter 41
1. Transfer case housing Transmission(6HP21) -
(broken) Transfer Case Control Unit,
Replacement

Chapter 41
2. Transfer case assembly Transmission(6HP21) -
(leakage from other parts) Transfer Case Control Unit,
Replacement

3. Ventilation pipe (blocked) -
Chapter 41
4. Lubricant (more than Transmission(6HP21) -
Oil leakage in transfer case
required or improper brand) Transfer Case Control Unit,
Replacement

Refer to "Chapter 41
5. Sealing surface bolt (loose) Transmission (JC538) -
transfer case, replacement"
6. Sealant (different brands Use authorized sealant and
or unauthorized sealant) tighten bolts as required

Chapter 41
Transmission(6HP21) -
7. Oil seal (worn or broken)
Transfer Case Control Unit,
Overhaul

1. Lubricant (insufficient Chapter 41
volume)Chapter 41
Transmission(6HP21) -
Transmission(6HP21) -
Transfer Case Control Unit,
Transfer Case Control Unit,
41 Replacement
Replacement
Chapter 41
Transmission(6HP21) -
2. Lubricant (wrong lubricant)
Transfer Case Control Unit,
Replacement
Noise in transfer case Chapter 41
Transmission(6HP21) -
3. Connecting bolt (loose)
Transfer Case Control Unit,
Replacement
Chapter 41
Transmission(6HP21) -
4. Connector (loose)
Transfer Case Control Unit,
Replacement
5. Transfer case bearing Chapter 41
(noise) Transmission(6HP21) -

Page 1894