Description of defect

During maintenance work such as replenishing or replacing brake fluid, brake fluid may accidentally adhere to the hydraulic braking system (hydraulic brake booster) and the adhering brake fluid may be washed off with water, causing brake fluid to enter the pump motor of the hydraulic braking system and corrosion inside the motor.

This may cause the pump motor to malfunction, resulting in the ABS warning light illuminating and the brake warning buzzer blowing.
If the pump motor continues to be used in this condition, the brake fluid pressure will be insufficient and the tread force required to operate the brakes will increase.

Improvement details

Check the production lot of the hydraulic braking doubler and replace the pump motor and gasket if applicable.

Chassis number of target vehicles

Pajero

V63W-0100002 ～ V63W-0600304
V65W-0000011 ～ V65W-0002460
V65W-0100001 ～ V65W-0500173
V68W-0000011 ～ V68W-0400192
V73W-0100007 ～ V73W-0601456
V75W-0000019 ～ V75W-0013549
V75W-0100001 ～ V75W-0500294
V77W-0600101 ～ V77W-0600274
V78W-0000018 ～ V78W-0400352
V83W-0000101 ～ V83W-0200409
V83W-0300101 ～ V83W-0500116
V87W-0000101 ～ V87W-0400168
V88W-0200101 ～ V88W-0300160
V88W-0400101 ～ V88W-0500124
V93W-0000101 ～ V93W-0201113
V93W-0300101 ～ V93W-0500173
V97W-0000101 ～ V97W-0500117
V98W-0200101 ～ V98W-0300425
V98W-0400101 ～ V98W-0500292

Automotive maintenance cannot determine the cause based on symptoms alone.
Be sure to perform diagnosis and inspection before determining the cause of the failure.