Lull 944E-42 Service Manual - Manual (Page 101)

6-15 944E-42
Transmission
2. Oil leaking from transfer case. 1. Breather blocked. 1. Clean or replace breather.
2. Plugs or fittings loose. 2. Tighten plugs or fittings.
3. Incorrect oil level. 3. Fill transfer case to correct level
with Mobilfluid 424 ®
(ISO Grade 46). (Refer to
Section 2.4, “Fluid and
Lubricant Capacities.”)
4. Gaps in sealant between
housing halves.
4. Clean housing mating surfaces,
apply new sealant (Loctite ® 518)
and torque housing capscrews
to 34 lb-ft (46 Nm).
5. Worn, damaged or improperly
seated seals and/or worn or
damaged input/output shaft
sealing surfaces.
5. Replace seals and/or input/
output gear assemblies as
needed.
6. Damaged housing. 6. Replace housing.
3. Noise when coasting: even
slight transfer case noise can
be heard when machine 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.
1. Remove mud and/or debris from
the transfer case exterior.
2. Oil level to high or low. 2. Fill oil to correct level with
Mobilfluid 424 ®
(ISO Grade 46). (Refer to
Section 2.4, “Fluid and
Lubricant Capacities.”)
3. Transfer case filled with
incorrect oil or oil contaminated.
3. Drain transfer case and fill with
Mobilfluid 424 ®
(ISO Grade 46). (Refer to
Section 2.4, “Fluid and
Lubricant Capacities.”)
4. Incorrect bearing “end play”. 4. Check bearing end play and
correct with shims as needed.
5. Worn or damaged bearings. 5. Replace bearings as needed.
6.11.1 Transfer Case Troubleshooting (Continued)
Problem Cause Remedy