D
Group 177 Design and Function
Steering System
For further information concerning component
specifications see service information in Group 1, “Oil and
Filter Change Intervals for Volvo Components,” publication
number 175-60, “Approved Oils Lists, Volvo Components”,
Publication Number 175–61, and appropriate vendor
literature.
A darkened fluid indicates a steering system that is
running hotter than normal and the fluid is overheated.
Troubleshoot the reason for overheating and change fluid.
W6000868
Hubs
Oil Lubricated Hubs
For further information concerning component
specifications see service information in Group 1, “Oil and
Filter Change Intervals for Volvo Components,” publication
number 175-60, “Approved Oils Lists, Volvo Components”,
Publication Number 175–61, and appropriate vendor
literature.
Hubs are generally oil lubricated. There are no set oil
change intervals. Change oil when the hub is removed for
repairs or other routine maintenance.
There are conditions that require hub lubrication
maintenance, which if not performed can result in
shortened bearing life and premature hub replacement.
•
Water ingression.
•
Oil contamination (example: contaminating synthetic
oil with petroleum based oil).
•
Hub(s) are run at temperatures above 65 C (150 F).
•
Hub(s) are run with low oil levels.
•
End play checks are out of specification ranges and
hubs have been run too tight or too loose. (Acceptable
end play is .001 to .005”).
W7001271
21
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