Dana Spicer and Meritor Axles
If equipped with a two-speed-axle shift unit, use the following directions.
Notice: Failure to keep lubricant at the specified level could cause damage to the axle shift unit.
- Clean the shift unit oil fill plug, and the area surrounding
the plug. See Fig.. Turn
the fill plug in a counterclockwise motion and remove the plug.
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Housing Cover Gasket
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Oil Fill Plug
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Shift Unit Housing Cover
Fig. 1, Two-Speed-Axle Shift Unit
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- Insert a finger or pipe cleaner into the fill plug hole and check the fluid level. The lubricant level should be maintained at the bottom of the fill hole. If low, add the specified lubricant.
- Apply a small amount of Loctite® 242, or equivalent sealant, to the threads of the fill plug. Install the fill plug finger-tight; then, using a wrench, tighten it 1-1/2 turns past finger-tight.
Important: When the ambient temperature is above 0°F (–18°C), use SAE 10 heavy-duty engine oil, API service classification SD (sulfated ash content must not exceed 1.85%). When the ambient temperature is below 0°F (–18°C), use one part kerosene to three parts SAE 10 heavy-duty engine oil, API service classification SD (sulfated ash content must not exceed 1.85%). This cold-weather mixture can be safely used up to 32°F (0°C).
Commercially available automatic transmission fluid may be used in place of SAE 10 engine oil. Automatic transmission fluid can be used for all temperatures; do not mix it with kerosene.
Notice: Before adding additional lubricant, make sure of the type currently in the shift unit. To prevent component damage, do not mix engine oil with automatic transmission fluid.