| 1 | 0 | 3 | 4 | 3 | 4 |
2005 Mazda RX-8 repairs by problem area
Engine (44%)
Transmission and Drivetrain (11%)
Brakes and Traction Control (2%)
Suspension and Steering (2%)
Electrical and Air Conditioning (22%)
Paint, Rust, Leaks, Rattles, and Trim (18%)
Other (2%)
Select a problem area
- Engine
- Transmission and Drivetrain
- Brakes and Traction Control
- Suspension and Steering
- Electrical and Air Conditioning
- Paint, Rust, Leaks, Rattles, and Trim
- Other
Chart based on 123 repairs.
2005 Mazda RX-8 electrical repair cost distribution
$2500+ (0%)
$1000 - $2499 (8%)
$500 - $999 (4%)
$100 - $499 (28%)
< $100 (60%)
Chart based on 25 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2005 Mazda RX-8 4dr Coupe
238-horsepower 1.3L R2 6-speed manual RWD
| 130000 mi US $150 |
Alternator failure |
| 166000 mi US $135 |
Battery failure |
| 26300 mi US $295 |
Sirius SAT radio working intermittently. Signal 5-10 minutes/hour; rest of the time just shows 'ACQUIRING'. Dealer replaced antenna and splitter cable to SAT box in trunk. |
| 74600 mi US $60 |
Battery failed while under prorated warranty; I replaced it after paying a share of the replacement cost. |
| 114000 mi US $100 |
Trying to find blockage and leak in ac system |
| 20500 mi | HVAC control unit stopped functioning. Unit only blows hot air, no AC. It was replaced under warranty. |
| 61000 mi | Tire pressure sender failed. |
| 50000 mi US $200 |
Temp control stopped working. Dealer quoted $495 to replace the module. Thanks to RX-8 Club forum, saw similar problem that required resoldering the main wires to the module. Removed module, resoldered, and works correctly now. |
| 30380 mi | Warranty repair: Replaced 1 rear tail light |
| 38000 mi US $100 |
Replaced failed alternator. |
| 48980 mi C $600 |
starter went and was draining battery when starting car. Battery replaced and starter and spark plugs replaced |
| 66420 mi C $1060 |
Heater - no hot air blowing |
| 38000 mi | Power window made popping sound when being lowered. |
| 57000 mi | Headlight leveling sensor failure. Headlights aiming too low. Removed sensor, disassembled. Lot of corrosion inside, cleaned as well as posssible, reassembled. Front sensor cleaned only, will do rear sensor soon. |
| 58000 mi | Headlight leveling sensor failed after prior repair (warning light). Lights aimed too high, blinding other drivers. Sensor removed again, re-cleaned. Sealed wire harness with silicone, reinstalled. After re-aiming headlights, repair OK. HVAC temp control dial failure. Known issue with these vehicles. Found fix on RX8club.com. Removed stereo/HVAC unit, disassembled. Soldered connections on control board for heater control. Reinstalled. Repair was successful (& easy). |
| 42000 mi | The tire pressure monitoring system has had its low tire pressure light on for the last few weeks. I took it to the dealership, they could not replicate it and oddly enough the light did not come on until the next day. It has been on since then too. |
| 31000 mi | Heater Control knob failed, heat control stuck on max cold regardless of setting. Replaced under warranty. |
| 39680 mi C $56 |
Rear tail light water condensation and build up. Manufacturers defect. Well documented with Mazda Canada. While repairing Tail light. Automatic trunk release stopped functioning. |
| 71900 mi US $300 |
HVAC controls fixed. |
| 75000 mi US $1200 |
AC condenser broke a few months after Heater was fixed |
| 36000 mi | Air conditioner would start blowing heat even when on cold. Fiddle with the knob and it would blow cold again but a minute later would start blowing hot for no reason. Replaced temperature control, A/C works now. |
2005 Mazda RX-8 4dr Coupe
197-horsepower 1.3L R2 4-speed shiftable automatic RWD
| 36000 mi | Heater control switch failure. est $450 repair |
| 48000 mi | Dash heater control unit needed to be replaced. Temp control would only give full hot or full cold. |
2005 Mazda RX-8 4-door
2-cylinder manual 2WD
| 22320 mi | Coils burnt out |
See TrueDelta's information for all Coupes
See TrueDelta's information for all Mazda models.
