NHTSA recall 00V074000
Service brakes, hydraulic › Foundation components › Master cylinder
Mazda 626
The 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.
The risk
This condition could cause reduced brake efficiency, increasing the risk of a crash.
The remedy
Dealers will inspect the reservoir cap and replace it, if necessary.