2004 • LaPalma
Under Hood
9 • 348
All front axles use oil to lubricate the wheel bearings. Inspect the oil
level before every trip or every 5,000 miles. The oil is drained and refilled
without removing the wheel end assembly. Remove hubcap to access the
bearing cover and drain plug.
To Inspect the Oil Level:
• Remove the chrome hubcap.
• Locate the full and add mark on the outside of the clear plastic cover.
• If the lubricant level is low, add the recommended fluid until
full.
The recommended oil change interval is based on the operating
conditions, speeds and loads. Limited service applications may allow the
recommended interval to be increased. Severe applications may require the
recommended interval to be reduced. For more information, contact a
Westport service representative.
Recommended Interval Change:
• Change the fluid whenever the seals are replaced, the brakes are
relined or at 30,000 miles (48,000km). However, check the
lubricant twice a year (spring and fall) for contamination.
Change as needed.
• If yearly mileage is less than 30,000 miles, change twice a year
(spring and fall).
Lubricant Type:
• Standard 90 wt. API GL-5. Lubricant temperature must never
exceed 250ºF (+121ºC).
To Drain:
• Place a suitable container below the bearing cover and remove
the drain plug.
• Fill bearing assembly to the full level with the recommended
lubricant.
FRONT AXLE -
WORKHORSE
Oil Filled Bearings
090311b
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