2004 Porsche Cayenne S engine and engine cooling problems
11 owner complaints filed with NHTSA name the engine and engine cooling on the 2004 Porsche Cayenne S — 23% of all complaints for this model year.
What owners report
“Porsche knowingly manufactured cayenne model vehicles with plastic coolant tubes that degrade and fracture causing engine coolant to leak into the engine, potentially leading to significant engine damage. Porsche has known about this defect and failed to make consumers aware of the potential…”
filed Feb 2, 2012
“Tl* the contact owns a 2004 porsche cayenne s. The contact stated that while driving approximately 50 mph, an overheating indicator light began to illuminate on the instrument panel. The vehicle was taken directly to an independent repair shop where engine coolant was added to the vehicle. While…”
filed Jul 19, 2011
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Other reported problem areas on the 2004 Porsche Cayenne S
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.