Spicer Dana LMS Hub Assembly Procedure – Steer and Drive Axles - Manual (Page 10)

WARNING: Do not attempt to make LMS™ hubs by using LMS™ bearing, spacer and seals in a standard hub.
This may result in a seal or bearing failure, which may result in loss of wheel end and or loss of vehicle control.
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LMS™ Hub Periodic Inspection and Preventive Maintenance
Along with normal pre-trip inspections and current shop preventative maintenance, Dana recommends a complete
inspection of the LMS hub during brake and or tire service.
Visual Inspection
Visually inspect for leakage and oil contamination.
1. Check to see that no oil is present around the hubcap or on the wheel.
2. Check to see that no oil is present on the hub, brake hardware, or brake shoes.
CAUTION: If oil is present investigate the cause and take corrective action.
3. Visually inspect the lubricant for discoloration. Under normal conditions, the oil will darken slightly. A white
or milky appearance indicates water contamination. If the inspection indicates contamination, completely
service the LMS Wheel End. Use genuine LMS replacement parts.
IMPORTANT: Replace seals and lubricant every 500,000 miles.
SERVICING THE LMS™ HUB ASSEMBLY
The LMS™ Hub system is designed for extended service without any maintenance.
Since the LMS™ Hub system uses standard size spindle ends, the entire system is serviceable with the ability to re-build
with industry available components, should an emergency truck down situation occur. However, to ensure optimum
performance of the LMS™ Hub system, Dana suggests that the hub be rebuilt or serviced with the original components.
External Inspection 100,000 miles or Annual Inspection
Check the lube level and condition of the oil fill hubcap. If lube is contaminated replace lube with the same lubricant. If the
lube condition is good and the level is low, fill to the proper level. Check for any signs of leakage at the seal or hubcap
gasket areas. Check for soaked brake linings.
Take appropriate action if leaks or oil-soaked brake linings are detected.
Raise the vehicle and check for smooth rolling of the wheels. Check for tire cupping (not regular tire wear). Check for signs
of excessive endplay in the wheels-end. This does not include removal of the hubcap.
Note: The semi-fluid grease will not show the normal spreading over the hub and brake components as hubs filled
with oil. When inspecting for grease leaks, the inspection must be done carefully with the aid of a bright light
from a flashlight or droplight. A slight weep or wetness of grease on the exterior of the seal is typical and
does not necessarily require seal replacement.
Note: If a gasket leak is noted, replace the gasket. If a seal leak is detected, remove and replace the wheel seal and
rebuild with original LMS™ components.
1. Replace the wheel seal, hubcap gasket, and lubricant every time the hub is serviced or at 5 years/500,000 mile
intervals.