Also recalled in Canada1999 MAZDA 626NHTSA Campaign #00V074000
The official notice
Defect
VEHICLE DESCRIPTION: PASSENGER VEHICLES. CERTAIN RESERVOIR TANK CAPS ON THE BRAKE MASTER CYLINDER WERE PRODUCED WITH A WORN OUT DIE AND LACK VENTILATION HOLES. AS A RESULT, THE PRESSURE IN THE RESERVOIR TANK CAN DROP GRADUALLY AS THE BRAKE PAD OR SHOE WEARS AND AMBIENT TEMPERATURE DROPS. ALSO, THE PRESSURE COULD REACH A POINT THAT THE BRAKE CALIPER AND DRUM CYLINDER ARE PULLED BACK BY THE VACUUM IN THE RESERVOIR TANK WHEN THE VEHICLE IS PARKED FOR A LONG TIME.
Safety Risk
THIS CONDITION COULD CAUSE REDUCED BRAKE EFFICIENCY, INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL INSPECT THE RESERVOIR CAP AND REPLACE IT, IF NECESSARY.
Updated June 10, 2026