2004 Porsche 911 Carrera Engine cooling Problems
- Complaints
- 3about this part
- Share
- 43%of 7 total for the year
- Median mileage
- 9,700miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2004 Porsche 911 Carrera, 43% of the 7 complaints for this model year. Where a mileage was given, the median is 9,700 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Catastrophic engine failure of 2004 Porsche 911 4s w/o warning. Well documented early version of model 996 intermediate shaft failure requiring complete engine replacement. Known product defect subsequently corrected in later versions. No notification by manufacturer or distributor to consumers. Hazardous and costly major product defect.”
NHTSA complaint #10365249, filed 2010-11, 29,000 miles“Dt: the consumer stated that the 2004 Porsche 911 CARRERA stalled while driving 10-20 MPH. The vehicle has been having problem for over a year. The vehicle was taken to the dealership several times. The dealer could not find the cause of the problem. The dealer changed the spark plugs, but the code showed that cylinder six was faulty. The problem seemed to be intermittent. The dealer has had the vehicle for over ten months. The manufacturer has been contacted, and they put the vehicle in diagnostic testing, and the problem has not shown up with any explanation. …”
NHTSA complaint #10138102, filed 2005-09, 3,389 miles“The contact owns a 2004, Porsche, 911 CARRERA. The contact stated his engine had to be replace due to the intermitten shaft failure. Contact stated he was driving at 55mph when he started to press the accelerator pedal and the vehicle engine started to slow down and would not respond. Contact then started to exit of f the highway and doing so all the lights on the instrument panel started coming on. Contact drive the vehicle to the dealer and they stated the intermitten shaft failed and they will be repairing the vehicle. The failure mileage was 9,700”
NHTSA complaint #10288919, filed 2009-10, 9,700 milesEngine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2004 | 3 | 43% |
| 1999 | 2 | 15% |
Other parts of the 2004 Porsche 911 Carrera
2 complaintsEngine
1 complaintsSteering
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2004 Porsche 911 Carrera
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology