hpi rs4 3 evo need some help
#1
hpi rs4 3 evo need some help
i have an rs4 3 evo that i picked up used and want to rebuild the diffs can anyone tell me the proper wt oils to use in the front and rear.
#2
#3
rs4's have grease in the diffs. you wont find any suggestions in the manual ( if i remember my manual correctly). You will need to purchase the o-ring seal kit for the diffs somewhere, check it out in the rs4's option parts section on HPI's website, but i think they are out of stock.