Rick 1995 U-300SE 40′ CAT 3176B
Foretravel recommends this once a year but that might be way overkill. I did this yesterday. Drained about 3.75 gallons. Now onto the front hubs.
Tools needed;
Oil catching container of at least 10 gallons
1. Four (4) five (5) quart empty oil jugs that are marked at the quart level.
2. One clean 5 qt empty oil container to pour new fluid into from 5-gallon pail and also to get up under coach to pour the fluid into the funnel.
3. This is to measure the amount of oil that is taken out.
4. A small one-quart open container to pour the oil from the large catching container into the empty oil jugs.
5. A tarp to lay on the ground in case you spill some
6. Rags and paper towels.
7. A funnel with a ¾ “ inside diameter extension hose about 10 “ long
8. Rubber gloves
9. ½” drive ratchet to remove drain plugs
10. Drop light
Warm up the rear axle oil by taking the coach for a ½ – 1 hr drive. The capacity if the rear axle is 4 gallons so use a large enough container to catch the fluid.
1. Park on level ground
2. Raise rear of coach as high as possible and place safety frame spacers into coach frame in case of air pressure loss.
3. Safety chock the vehicle.
4. Put tarp down
5. Slide large oil catch container under the rear axle
6. Unscrew the drain plug
7. When drained reinstall drain plug
8. Scoop the oil from the large container into the empty 5-quart containers and fill to the 4 qt mark
9. Clean the area around the fill hole
10. Remove the fill plug on the rear of the housing.
11. Put hose extension into the fill hole
12. Fill with the same amount that was removed
13. Reinstall fill plug
14. Take coach for a spin and recheck fluid level after cool down