Change Front Differential Oil
Change front differential oil every 800 hours.
1. Position vehicle on a level surface. stop engine and
engage parking brake. Remove key from ignition switch.
2. Clean area around drain plug on the side of the dif
ferential. Place drain pan under the drain plug.
3. Remove drain plug and let oil flow into the drain pan.
Reinstall and tighten plug when the oil stops draining.
4. Clean area around the fill/check plug on side of dif
ferential.
5. Remove fill/check plug and add 10W30 oil until oil
is up to hole.
6. Re–install fill/check plug.
Workman 4000 Series
2
1. Front differential
2. Drain plug
Rev. B
Page 10 – 15
1
3
Figure 19
3. Fill/check plug
Front Wheel Drive Section (4WD)