Montero 4WD V6-3.5L SOHC (1998)
Actuator: Testing and Inspection
REAR DIFFERENTIAL LOCK SYSTEM AIR LEAKAGE CHECK
1. Remove the rear differential lock air pump and remove the air hose from the air pump.
2. Connect a pressure gage and air regulator, for adjusting the compressed air pressure to the air hose.
3. Adjust the compressed air pressure with the air regulator until the pressure gage shows a pressure of approximately 35 kPa (5 psi).
CAUTION: Do not apply a higher pressure.
4. Shut off the air valve.
5. If after approximately 10 minutes have passed, the pressure has dropped, it can be concluded that there is no leaking of air from the air hose, etc.
