2011 Arctic Cat 400 TRV ATV Service Manual, Page 13Get this manual
STRAINER 1Remove the belly panel2Remove the cap screws securing the oil strainer cap; then remove the cap 6Install the belly panel
Front DifferentialRear Drive Lubricant
When changing the lubricant, use approved SAE 80W-90 hypoid gear lubeTo check lubricant, remove the fill plug; the lubricant level should be inbelow the threads of the plugIf low, add SAE approved 80W-90 hypoid gear lubricant as necessaryTo change the lubricant, use the following procedure1Place the ATV on level ground2Remove each fill plug
3Remove the two cap screws securing the strainer; then remove the strainerNOTE: Thoroughly clean any sealant from the oil strainer cap