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Gearcase Lubrication
Page 40 2007 HUV 4421 Gasoline and Diesel Vehicle Owner’s Manual
Transmission:
Clean and install the drain plug (2) before filling the transmission with new lubricant (Figure 32). Tighten the
drain plug to 8 ft-lb (11 N·m). Remove the fill plug from the top of the transmission case and use a funnel to
fill the transmission with lubricant. See Periodic Lubrication Schedule on page 32. Apply Loctite 567 to the
threads of the fill plug and tighten to 21 ft-lb (28 N·m).
Check the level of lubricant at the level indicator plug (1). Apply Loctite 567 to the threads of the level indicator
plug and tighten to 21 ft-lb (28 N·m).
Rear differential:
Clean and install the drain plug (2) and washer before filling the rear differential with new lubricant
(Figure 33). Tighten the drain plug to 8 ft-lb (10.8 N·m). Use a funnel to fill the differential through the lubricant
level indicator hole (1). See Periodic Lubrication Schedule on page 32. Apply Loctite 567 to the threads of
the level indicator plug and tighten to 21 ft-lb (28 N·m).
Figure 31 Front Differential Lubrication Level Figure 32 Transmission Lubrication Level
Figure 33 Rear Differential Lubrication Level
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