Lull 944E-42, Service Manual

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6.25 Model 644E-42/944E-42 Rev. 6/04
Transmission: ZF 4WG-92/98 TSC & Transfer Case: ZF TB92-I4
3. Noise when coasting: even
slight transfer case noise can
be heard when vehicle is
coasting.
1. Worn splines on input flange
and/or gears.
1. Replace worn parts as needed.
4. Transfer case overheating
(oil above 230° F [110° C]).
1. Build-up of mud and/or debris
on the exterior of transfer case.
2. Oil level too high or low.
3. Transfer case filled with
incorrect oil or oil contaminated.
4. Incorrect bearing “end play.”
5. Worn or damage bearings.
1. Remove mud and/or debris from
the transfer case exterior.
2. Fill oil to correct level with
Universal Tractor Fluid (Refer to
Section 2.5.10, “Fluid and
Lubricant Capacities.”)
3. Drain transfer case and fill to
correct level with Universal
Tractor Fluid (Refer to Section
2.6.7, a. “Transfer Case Fluid.”)
4. Check bearing end play and
correct with shims as needed.
5. Replace bearings as needed.
6.13.1 Transfer Case Troubleshooting (Continued)
Problem Cause Remedy