
Copyright Meritor, Inc., 2020
Printed in USA
MM-0861 / Revised July 2020
Page 91
9
Troubleshooting
Troubleshooting
Transfer Case Lubrication Diagnostics
Figure 9.1
Road test the vehicle,
then check for leaks.
Return vehicle to service.
Remove the transfer case
from the vehicle and
disassemble.
Inspect parts for damage
and replace as needed.
Reassemble transfer
case.
1. Replace the breather.
2. Determine if the breather
is mounted in the correct
location. Call the Meritor
OnTrac™ Customer Call Center
at 866-OnTrac1 (668-7221)
for additional information.
Yes
Yes
Yes
No
No
No
Clean the transfer
case and operate
the vehicle.
Inspect the breather
for clogging or oil
blowing out.
Inspect the transfer case
for housing damage and
joint seal leaks.
1. Check the transfer case
oil level.
2. Check the transfer case
for air leaks.
Inspect seals
for leaks.
Fill the transfer case
with the correct type
and amount of oil.
Continue to
next page.
Does oil
blow-out from
the breather?
Breather
clogged?
Damaged
or joint
leak?
4001525b
Содержание MTC-4208X Series
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