(1) The pressure in the first and second gears is normal, but the pressure in the reverse gear is low. The reason is that the reverse clutch piston oil seal (piston ring) is damaged or the box body is broken. Check for cracks in the reverse gearbox of the transmission, and then check for damage to the oil seal. The reason for the rupture of the reverse gear cylinder is usually excessive system pressure.
Post time:Sep-25-2020