Things You'll Need
Instructions
Place a drain pan under the gearbox drain plug. The gearbox drain plug is on the bottom of the gearbox.
Remove the gearbox drain plug with a crescent wrench.
Pull out the gearbox dipstick. Wipe it off with a clean rag.
Replace the gearbox drain plug when the gearbox is finished draining. Tighten it with a crescent wrench.
Place a clean funnel in the hole left by the dipstick. Pour 8.5 ounces of Bombardier synthetic chaincase oil into the funnel. Remove the funnel once all of the oil is drained into the gearbox.
Replace the dipstick and seat it firmly in place.