Pinpoint Test B: Fluid Condition Tests

B1: FLUID CONDITION TEST 1
1. Drain a sample of fluid from the transfer case.
2. Check the fluid for solid particles.
  Are any solid particles present in the transfer case fluid?
  
  Yes
  
  Install a new transfer case.
  
  No
  
  GO to B2.
B2: FLUID CONDITION TEST 2
1. Compare the fluid sample to some new transfer case fluid.
Does the fluid sample appear burnt?

Yes

Install a new transfer case.

No

GO to B3.
B3: FLUID CONDITION TEST 3
1. Check the fluid for water content.
- Heat up the fluid sample to 100°C.
- Check the fluid for bubbles.
Are bubbles present in the fluid?

Yes

Check the integrity of the transfer case breather, and drain and refill the transfer case fluid. Using the Jaguar Land Rover approved diagnostic equipment, perform routine - Transfer Case Replacement. Clear the DTCs and re-test. If the fault persists, install a new transfer case.

No

No fault found.