2004 Mazda B-Series Truck problems & reliability
24 owner complaints filed with NHTSA for the 2004 Mazda B-Series Truck, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (5 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Air Bags → | 20 | 83% |
| Structure | 3 | 13% |
| Service Brakes, Hydraulic | 1 | 4% |
| Suspension | 1 | 4% |
| Tires | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“Chassis is rusting out. Drivers side rear spring shackle, bracket fell off and need to be replaced costing me about $500.00. Mazda b2300 is also a Ford Ranger which also has similar issues. My truck has about 170,000 miles on the odometer. The drive train is strong; idles and runs smooth, does not burn oil.”
Structure · filed Feb 26, 2024
“Tl* takata recall. The contact owns a 2004 mazda b-series truck. The contact received recall notifications for nhtsa campaign numbers: 17v806000 (air bags) and 17v807000 (air bags); however, the parts to do the repair were unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for…”
Air Bags · filed Jun 11, 2018
“Takata recall received notice and was told air bags would be replaced but would not check dash light sensor thier would be a charge for it. So how do I know if the repair was done properly. If light indicator is still on how can this be considered repaired if the don't repair all aspects of existing conditions all…”
Air Bags · filed Mar 19, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Air Bag Inflator Rupture
Engineering Analysis EA15001 · opened Feb 24, 2015 · open · led to recall 22V945
- Air Bag Inflator Rupture
Preliminary Evaluation PE14016 · opened Jun 11, 2014 · closed Mar 2, 2015 · led to recall 15V226000
- BRAKE LIGHTS INOPERATIVE
Preliminary Evaluation PE05066 · opened Dec 5, 2005 · closed Mar 24, 2006
Technical service bulletins
102 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 Mazda B-Series Truck. The 10 most recent:
This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance…
SA-029-26 · Service Bulletin/Repair Instructions · issued Apr 21, 2026
In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. It is the dealer’s…
09-038-24 · Service Bulletin/Repair Instructions · issued Aug 8, 2024
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop…
SA-011-24b · Service Bulletin/Repair Instructions · issued Jul 29, 2024
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop…
SA-011-24a · Other · issued Jun 7, 2024
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop…
SA-011-24 · Service Bulletin/Repair Instructions · issued Feb 12, 2024
Speedometer replacement procedure
09-016-23 · Service Bulletin/Repair Instructions · issued Feb 28, 2023
Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the…
02-004-22a · Service Bulletin/Repair Instructions · issued Nov 18, 2022
Some customers may experience a squeaking noise may be heard from the exhaust manifold when the idle speed drops from fast idle to normal idle speed during cold start. This is caused by a variable valve being stuck in…
01-010-22 · Service Bulletin/Repair Instructions · issued Sep 26, 2022
In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer.
09-024-22 · Service Bulletin/Repair Instructions · issued Jul 18, 2022
This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost…
01-006-22 · Service Bulletin/Repair Instructions · issued Jun 22, 2022
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2004 Mazda B-Series Truck has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2004 Mazda B-Series Truck?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.