2004 Porsche 911: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
8 owner complaints analyzed
0 distinct recall campaigns
17,042 mi median reported failure mileage
Scope: 2004 model year. Data snapshot: . 7 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Engine is the most frequently named component, appearing in 6 of 8 complaints (75.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 1 | 12.5% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 6 |
| Engine And Engine Cooling | 1 |
| Engine And Engine Cooling:Engine | 1 |
| Power Train | 1 |
| Structure:Body | 1 |
Engine: 6; Engine And Engine Cooling: 1; Engine And Engine Cooling:Engine: 1; Power Train: 1; Structure:Body: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 5 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 5; 25,000 to 49,999: 2; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (5). 1 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2011 | 2 |
| 2013 | 5 |
| 2022 | 1 |
2011: 2; 2013: 5; 2022: 1
Pattern summary
Engine leads the component reports. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10413968 · 2011-07-21 (July 21, 2011)
DRIVING ON FREEWAY WHEN HEARD A WEIRD NOISE FROM THE BACK OF THE CAR AND A MESSAGE IN RED CAME UP ON THE INSTRUMENT CLUSTER, LOST POWER TO ENGINE, PULLED OVER AND OIL LEAKING FROM ENGINE. ENGINE COMPLETELY DESTROYED DUE TO IMS FAILURE. ENGINE WAS REPLACED WITH RE-MANUFACTURED ENGINE BY DEALER. *KB
Owner-reported narrative. 12,000 miles reported. Look up ODI 10413968 at NHTSA ↗
Owner report 10423709 · 2011-09-01 (September 1, 2011)
TRAVELING AT A SPEED OF 30 MILES PER HOUR AT A LOW RPM, I HEARD A LOUD GRINDING NOISE UNDERNEATH THE CAR. INITIALLY I THOUGHT ROAD DEBRIS WAS CAUGHT UNDERNEATH THE CAR AND I WAS DRAGGING IT ALONG WHILE DRIVING. I QUICKLY TURNED THE CAR TO THE RIGHT OFF THE ROAD AND TURNED THE MOTOR OFF. UNDERNEATH THE VEHICLE I NOTICED ALL OF THE ENGINE'S OIL SPEWING OUT FROM THE BOTTOM OF THE ENGINE. I CONTACTED MY INSURANCE COMPANY AND ARRANGED FOR A TOW VEHICLE. I THOUGHT AN OBJECT STRUCK THE UNDERCARRIAGE OF MY CAR. THE CAR WAS INSPECTED BY MY INSURANC…
Owner-reported narrative. 41,666 miles reported. Look up ODI 10423709 at NHTSA ↗
Owner report 10491708 · 2013-01-07 (January 7, 2013)
THE COOLANT LINES ARE GLUED IN BY FACTORY TO SAVE COSTS. HOWEVER THE GLUE IS FAILING AND THE COOLANT LINES POP OUT AND ANTI FREEZE IS DUMPED EVERYWHERE CAUSING AN UNSAFE CONDITION . PORSCHE IS AWARE OF THEIR PROBLEM BUT DOING MOTHING ABOUT RECALLING OLDER CARS TO BE REPAIRED. I PAID TO REPAIR MY CAR INDEPENDENTLY BUT PORSCHE OWNERS ARE BEING ENCOURAGED TO REPORT THIS SAFERY ISSUE. *TR
Owner-reported narrative. 21,000 miles reported. Look up ODI 10491708 at NHTSA ↗
Owner report 10510434 · 2013-05-02 (May 2, 2013)
THE ABOVE CAR HAS A FACTORY WATER COOLING SYSTEM THAT INVOLVES ALUMINUM PIPING THAT IS EPOXIED INTO THE BLOCK AFTER APPROXIMATELY 24 MONTHS OF USE THE EPOXY FAILS AND ALL THE COOLANT IS EVACUATED FROM THE SYSTEM ALL OVER THE ENGINE AND THE GROUND THE MOTOR COULD SEIZE AND THE COOLANT ON THE ROAD IN THAT VOLUME CREATES A DANGEROUS SITUATION FOR OTHER DRIVERS.THE EPOXY FIX OFFERED BY PORSCHE FAILED 3 TIMES FOR ME (TWICE MORE SUBSEQUENTLY)UNTIL I HAD A SHOP WELD THE ALUMINUM PIPES TO THE BLOCK. *TR ## VIN FAILED ##
Owner-reported narrative. 15,000 miles reported. Look up ODI 10510434 at NHTSA ↗
Owner report 10514243 · 2013-05-30 (May 30, 2013)
THE EVENT HAPPENED IN 2008. PURCHASED PORSCHE GT 3 FROM PORSCHE DEALER IN 2006. ACCELERATING ONTO A LIMITED ACCESS HIGHWAY FROM AN ENTRANCE RAMP THE CAR MADE A VIOLENT FISHTAIL MOVEMENT IN A COUNTERCLOCWISE DIRECTION CAUSING A 180 DEG. SPIN. I TRIED TO CORRECT BUT NO RESPONSE AND THEN APPLIED BRAKES HEAVILY BUT CAR CONTINUED ITS MOVEMENT EVENTUALLY HITTING A CONCRETE BARRIER IN THE RIGHT REAR. THE CAR HAD TO BE TOWED AND EVENTUALLY TOTALED BY THE INSURANCE COMPANY. AT THE IMPACT SITE I DID NOTICE FLUID ON THE ROAD AND ALSO BACK UP THE ROAD. S…
Owner-reported narrative. 12,000 miles reported. Look up ODI 10514243 at NHTSA ↗
Owner report 10546931 · 2013-10-06 (October 6, 2013)
MY GT3 HAS COOLING PIPE ON THE ENGINE EXTERNAL TO THE BLOCK. I HAVE READ THIS IS A SYSTEMIC ISSUE WITH THE ENGINE USED IN GT3 AND TURBOS (METZGER MOTOR). A FITTING COMES LOOSE DUE TO ADHESIVE FAILURE RESULTING I LOSS OF ALL OR MOST OF THE COOLANT FLUID. THE REPAIR REQUIRES ENGINE REMOVAL AND REPAIR OF THE FITTINGS. THERE IS SOME ISSUE AS TO THE PROPER OR BEST REPAIR APPROACH. WHAT IS KNOW IS THAT THE ADHESIVE FAILURE IS ALMOST SURE TO OCCUR. I HAVE BEEN LUCKY AS I HAVE FEW MILES ON MY VEHICLE AND HAVE NOT YET EXPERIENCED THIS FAILURE…
Owner-reported narrative. 17,042 miles reported. Look up ODI 10546931 at NHTSA ↗
Owner report 10547657 · 2013-10-11 (October 11, 2013)
THE M96 MOTOR SUPPLIED WITH THIS VEHICLE LINE HAS HAD THE FOLLOWING PROBLEMS. ENGINE BLOCK LEAKS THE BLOCK IS POROUS. RESLEEVED CYLINDERS WERE MAKER FIX ,THE SLEEVES MOVED CAUSING ENGINE DESTRUCTION. A MAIN CRANKSHAFT BEARING WAS DESIGNED OUT. ALLOWING THE CRANKSHAFT TO MOVE FRT TO BACK AND WITH GRAVITY CAUSING A FAILURE OF THE REAR MAIN SEAL COULD NOT FIX IF CRANK HAD MOVED MORE THAN A FEW DEGREES FROM ORIG SPEC.PRIMARY PROBLEM IMS( INTERMEDIATE SHAFT) FAILURE. RESULT, COMPLETE DESTRUCTION OF MOTOR. NO FIX FROM MANUFACTURE. AFTER MARKET ON…
Owner-reported narrative. 40,000 miles reported. Look up ODI 10547657 at NHTSA ↗
Owner report 11457590 · 2022-03-21 (March 21, 2022)
Yesterday as I was driving in freeway, my friend was following me from behind, he noticed smoke and coolant leaking making his car's windshield dirty. So we stopped at gas station and noticed good amount of coolant leakage from underneath which make the back of the car and tires big mess. I noticed, before my friend's call, the handling and grip of the car was little off, I didn't know why but then I realized leaking made the tires slippery. Tow the car to my house and just wanted to report this. It seems lot of people complain about this issue…
Owner-reported narrative. Look up ODI 11457590 at NHTSA ↗
Recall history
0 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
No recall campaigns are recorded in this snapshot.