1994 MAZDA B2300

Report Date:
February 28, 1996
Campaign Number:
96V024002
Component:
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC

Summary:
THE STUDS WHICH ATTACH THE BRAKE MASTER CYLINDER TO THE POWER BRAKE VACUUM BOOSTER ASSEMBLY CAN DEVELOP STRESS CORROSION CRACKING AFTER BEING OPERATED FOR AN EXTENDED PERIOD OF TIME IN THE SOUTHERN CALIFORNIA LOCATION.

Consequence Summary:
IF A CRACK OCCURS, IT COULD RESULT IN ONE OR BOTH STUDS FRACTURING. THE MASTER CYLINDER COULD THEN SEPARATE FROM THE VACUUM BOOSTER, WHEN THE BRAKES ARE APPLIED, PREVENTING THE SERVICE BRAKES FROM FULLY ACTIVATING INCREASING THE RISK OF A VEHICLE ACCIDENT.

Corrective Summary:
DEALERS WILL REPLACE THE POWER BRAKE VACUUM BOOSTER ASSEMBLY.

1994 MAZDA B2300

Report Date:
December 20, 1995
Campaign Number:
95V231002
Component:
VEHICLE SPEED CONTROL

Summary:
DURING EXTREME COLD, NORTHERN CLIMATE WINTER CONDITIONS, ICE CAN FORM IN THE THROTTLE BODY OF THE ENGINE CAUSING THE THROTTLE PLATE TO REMAIN IN THE HIGHWAY CRUISING POSITION AFTER THE ACCELERATOR IS RELEASED OR THE SPEED CONTROL IS DEACTIVATED.

Consequence Summary:
THE VEHICLE STOPPING DISTANCES CAN BE INCREASED POSSIBLY RESULTING IN AN ACCIDENT.

Corrective Summary:
DEALERS WILL REPLACE THE AIR INTAKE DUCT AND VALVE ASSEMBLY WITH REVISED UNITS.

1994 MAZDA B2300

Report Date:
October 31, 1994
Campaign Number:
94V169002
Component:
PARKING BRAKE:CONVENTIONAL

Summary:
THE PARKING BRAKE CONTROL SELF-ADJUST PAWL DOES NOT LINE UP PROPERLY WITH THE SELF-ADJUST RACHET CAUSING THE PAWL TO SLIP OVER ONE OR MORE TEETH IN THE RACHET.

Consequence Summary:
WHEN THE ABOVE OCCURS, IT CAN RESULT IN PARKING BRAKE SYSTEM INEFFECTIVENESS. THE PARKING BRAKE WILL NOT HOLD THE VEHICLE, CAUSING THE VEHICLE TO ROLL FREELY, IF THE TRANSMISSION IS NOT LEFT IN GEAR.

Corrective Summary:
A WEDGE WILL BE INSTALLED WHICH WILL SERVE TO LOCK THE PARKING BRAKE SELF-ADJUST MECHANISM PAWL INTO ENGAGEMENT WITH THE RACHET. ALSO, OWNERS WILL BE ADVISED TO RELEASE AND REAPPLY THE PARKING BRAKE WHENEVER TOOTH SKIP OCCURS AND WILL BE REMINDED TO ALWAYS TURN OFF THE ENGINE AND LEAVE THE VEHICLE IN GEAR WHEN THE VEHICLE IS PARKED.