1990 Mazda RX-7 problems & reliability
28 owner complaints filed with NHTSA for the 1990 Mazda RX-7. 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.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Seat Belts → | 18 | 64% |
| Engine and Engine Cooling | 4 | 14% |
| Fuel System, Gasoline | 2 | 7% |
| Service Brakes, Hydraulic | 2 | 7% |
| Electrical System | 1 | 4% |
| Equipment | 1 | 4% |
| Tires | 1 | 4% |
| Visibility | 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
“There was a recall issued for my car for the automatic shoulder belt on 02-17-1997, campaign # 68702. Mine was originally repaired on 05-23-2006. It has since failed again and my local mazda dealer, # 23963, ran a report showing that the status was closed because it was fixed once. As a safety issue, I thought that…”
Seat Belts · filed Jul 21, 2015
“Tl*the contact owns a 1990 mazda rx7. While the vehicle was parked, the contact noticed that the front driver's and passenger side automatic shoulder belt retractors were inoperative. The malfunctions occurred from excessive wear and prevents the webbing from being extracted. The vin was not included in nhtsa campaign…”
Seat Belts · filed Feb 12, 2009
“Tl*the contact owns a 1990 mazda rx7. The contact stated that the front driver's and passenger side automatic shoulder belt failed to retract. The shoulder belt was inoperative. The authorized dealer was notified of the failure and stated that the vin was not included in nhtsa campaign id number 96v173000 (seat…”
Seat Belts · filed Feb 5, 2009
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- MAZDA RX7 AUTOMATIC SEAT BELT FAILURE
Preliminary Evaluation PE96027 · opened Apr 16, 1996 · closed Sep 30, 1996 · led to recall 96V173000
Technical service bulletins
9 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1990 Mazda RX-7.
Speedometer replacement procedure
0900716 · Service Bulletin/Repair Instructions · issued Feb 17, 2016
Experiencing oil leak at rear stationary gear o-ring / on - car replacement procedure. *yc
00398 · Service Bulletin/Repair Instructions · issued Jul 16, 1998
Subject on passive seat belt retractor switch. *yc
01198 · Service Bulletin/Repair Instructions · issued May 28, 1998
Pre-painting preparations for front and rear bumpers. *yc
97102302097 · Service Bulletin/Repair Instructions · issued Oct 23, 1997
USE OF A/C TRACER DYE. *TW
008/97 · Service Bulletin/Repair Instructions · issued May 19, 1997
Parts replacement after airbag deployment. *tw
007/97T · Service Bulletin/Repair Instructions · issued Apr 25, 1997
Maintenance free battery - diagnostic and charging procedure. *tw
001/97G · Service Bulletin/Repair Instructions · issued Apr 8, 1997
Wiper motor inoperative - circuit breaker activation. *tw
003/97G · Service Bulletin/Repair Instructions · issued Jan 19, 1997
Hard shift, r-type transmission. *tw
001/93 · Service Bulletin/Repair Instructions · issued Feb 1, 1993
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
No NHTSA recall campaigns name the 1990 Mazda RX-7 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
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 1990 Mazda RX-7?
- · 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.