2001 Porsche 911 Turbo engine problems
15 owner complaints filed with NHTSA name the engine on the 2001 Porsche 911 Turbo — 68% of all complaints for this model year.
What owners report
“Coolant pipes come apart while driving and there was rapid loss of engine coolant. The problem exists on the gt1 motor because there are a couple coolant pipes in these motors that are not a single cast piece: the larger cast pieces have extruded inlet/outlet tubes that are connected using an…”
filed May 13, 2015
“While driving on the highway a catastrophic failure occurred in the coolant system. One of the aluminum hose fittings that is epoxied into the aluminum housing broke free causing engine coolant to empty out of the engine onto the highway in a matter of seconds. The rubber hose did not fail and it…”
filed Jul 18, 2013
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Parts information for parts withdrawal involving the pressure sensor. The vehicles affected are cars that use the part number 9A790605201
No. D747 · Service Bulletin/Repair Instructions · issued Nov 12, 2025
Engine problems in other 911 Turbo years
| Year | Reports | Share |
|---|---|---|
| 2007 911 Turbo | 18 | 82% |
Other reported problem areas on the 2001 Porsche 911 Turbo
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.