Problems owners report
Complaints filed with NHTSA about the 1994 Mazda B-Series Truck, by the system named in each complaint. One complaint can name several.
- Service brakes, hydraulic20
- Fuel system, gasoline19
- Electrical system13
- Tires13
- Vehicle speed control12
- Parking brake12
- Power train8
- Suspension8
- Steering6
- Exterior lighting6
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 9 injuries and 1 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Recalls
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.
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.
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.
THE FRONT FUEL LINES HAVE A SECTION OF FLEXIBLE HOSE THAT IS SUSCEPTIBLE TO CRACKING WHICH CAN ALLOW FUEL LEAKAGE.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mazda told its dealers about the 1994 Mazda B-Series Truck: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 635027 | ENGINE OIL LEAK AT PAN AFTER GASKET REPLACEMENT. *TT |
| 634439 | SUBJECT REGARDING A WHINING/BUZZING NOISE FROM RADIO SPEAKERS. *SLC |
| 634322 | SUBJECT REGARDING RECOMMENDED ENGINE OIL. *SLC |
| 609954 | SOME VEHICLES MAY EXHIBIT A WHINING OR BUZZING NOISE COMING FROM THE AUDIO SYSTEM SPEAKERS. *TT |
| 609951 | SUBJECT REGARDING AIR CONDITIONER ACCUMULATOR REPLACEMENT CRITERIA WHEN REPAIRING THE AIR CONDITIONER SYSTEM. *TT |
| 609911 | AN ENGINE OIL LEAK AT PAN AFTER GASKET REPLACEMENT - REVISED PROCEDURE. *TT |
| 609107 | PARTS BULLETIN CONTAINING MICROFICHE CORRECTIONS. *TT |
| 6089290 | EXPERIENCING A PING OR CREAK NOISE HEAR FROM THE DRIVELINE WHEN TRANSMISSION IS ENGAGED. *TT |
| 6089288 | VEHICLES MAY EXHIBIT A WHINING OR BUZZING NOISE COMING FROM THE RADIO SYSTEM SPEAKERS. *TT |
| 606225 | CUSTOMER MAY COMPLAIN ABOUT LACK OF HEAT FROM THE CLIMATE CONTROL SYSTEM AND MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0125 PRESENT. *TT |
| 606027 | MOTOR OIL - SAE VISCOSITY GRADE RECOMMENDATION. *TT |
| 605978 | INFORMATION ADJUSTING CLUTCH COVER. *TT |
| 603991 | SUBJECT REGARDING CLUTCH HARD TO DISENGAGE. *YC |
| 603912 | SOME POWER AND MANUAL FRONT DOOR WINDOWS MAY EXHIBIT SLOW UP / DOWN OPERATION. *YC |
| 603854 | INFORMATION REGARDING SEAT BELT EXTENDERS. *YC |
| 603125 | SOME VEHICLES MAY EXHIBIT A PING OR CREAK NOISE FROM THE DRIVELINE WHEN SHIFTING GEARS OR ENGAGING CLUTCH. *TT |
| 602676 | EXPERIENCING A BUZZING OR RATTLING NOISE MAY BE HEARD COMING FROM THE EXHAUST SYSTEM DURING NORMAL DRIVING CONDITIONS OR AT IDLE. *YC |
| 600335 | SOME POWER AND MANUAL WINDOWS MAY EXHIBIT SLOW UP/DOWN OPERATION. *YC |
| 54215 | REAR BRAKES GRAB AND SQUEAL AFTER THE VEHICLE HAS BEEN SITTING FOR A LONG PERIOD OF TIME. *YC |
| 54134 | VEHICLES MAY EXPERIENCE A THUMP NOISE FROM THE HEATER CORE THAT MAY BE ACCOMPANIED BY EXCESSIVE TEMPERATURE GAUGE FLUCTUATION. *YC |
| 52522 | REPLACING FRAME RIVETS. *TW |
| 52520 | PARTS REPLACEMENT AFTER AIRBAG DEPLOYMENT. *TW |
| 52504 | PING OR CREAK NOISE FROM DRIVELINE - TRANSMISSION ENGAGED. *TW |
| 52503 | MAINTENANCE FREE BATTERY - DIAGNOSTIC AND CHARGING PROCEDURE. *TW |
| 52500 | TEMPERATURE GUAGE FLUCTUATES OR INDICATES HIGH TEMPERATURE. *TW |
NHTSA manufacturer communications (public domain)
NHTSA investigations
REAR BRAKE LOCKUP
REAR ANTI-LOCK BRAKES LOCK UP
SEPARATION OF MASTER CYLINDER
NHTSA Office of Defects Investigation