Montero Sport XLS 4WD V6-3.0L SOHC (1999)
3. Set the piston cup on special tool MB990623 with the lip of the cup facing up. Fit the cup onto the special tool M13990623, and then slide it
down the outside of the tool MB990623 into the piston groove.
INSPECTION
Check the piston and wheel cylinder walls for rust, pitting, or damage. If there is any abnormality, replace the entire wheel cylinder assembly.