Problems · by component

2003 Volkswagen Jetta engine and engine cooling problems

48 owner complaints to NHTSA about the 2003 Volkswagen Jetta cite engine and engine cooling, 10% of all 463 complaints for this model year. NHTSA also lists 1 recall on this component.

Complaints
48
10% of all complaints
Crashes
2
Reported by owners
Fires
3
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2003 VOLKSWAGEN JETTA. WHILE DRIVING AT UNKNOWN SPEEDS, THE VEHICLE OVERHEATED AND THE CHECK ENGINE INDICATOR ILLUMINATED. THE CONTACT ADDED WATER TO THE VEHICLE. THE LOCAL DEALER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 184,072.”
Owner complaint to NHTSAFiled Jun 4, 2018Engine and engine cooling, EngineODI 11099851
“MY WATER PUMP FAILED SUDDENLY WHILE DRIVING, THE ENGINE OVERHEAT SIGN LIT UP. I WAS IN THE MIDDLE OF NOWHERE. AFTER A PAINFULLY LONG DRAWN OUT TOW, TAXI, RENTAL CAR, AND RETURN TO PICK UP THE CAR 1 WEEK LATER (DRIVE 200 MILES THERE AND THEN BACK TO DO SO), THE GARAGE WHICH REPAIRED MY CAR INDICATED THAT THERE WAS A BAD "DESIGN FLAW" TO THE WATER PUMP WHERE IT HAD A PLASTIC PART THAT WOULD COMMONLY FAIL DURING THE LIFE OF THE CAR. THEY TOLD ME THAT THIS WAS A "WELL-KNOW" PROBLEM IN THE JETTA, MANY PEOPLE HAD EXPERIENCED & WRITTEN ONLINE ABOUT IT. THEY RECOMMENDED THAT I INSTALL AN "AFTER-MARKET" PUMP WITH ALL METAL PARTS SO THAT IT WOULD NOT OCCUR AGAIN, WHICH I DID. MY CO-WORKER WHO OWNED A JETTA A FEW YEARS OLDER THAN MINE (2001?) FOR 10 YEARS AND LATER TRADED IT IN, INFORMED ME THAT SHE HAD THE EXACT SAME PROBLEM AND IN FACT HAD TO REPLACE THE WATER PUMP 3 TIMES DURING THE PERIOD SHE OWNED THE CAR. I WOULD LIKE TO MAKE A COMPLAINT ABOUT THE WATER PUMP DESIGN IN THE VOLKSWAGEN JETTA. IF IT HAD BEEN RECALLED & FIXED PRIOR TO MY BREAKDOWN, I WOULD NOT HAVE HAD TO ENDURE THE WHOLE ORDEAL I WENT THROUGH. *TR”
Owner complaint to NHTSAFiled Sep 2, 2014Engine and engine coolingODI 10630206
“I STARTED EXPERIENCING A HOT SPOT IN THE DRIVER'S HEATED SEAT IN THE FALL OF 2012. I HAVE TO PUT A CUSHION BETWEEN MY RIGHT LEG AND THE SEAT OR IT WILL NEARLY BURN. I HAVE ALSO BEEN HAVING AN ISSUE WITH EITHER THE O2 SENSOR OR CATALYTIC CONVERTER WHENEVER IT RAINS AND IT'S COOL WEATHER. THE CAR WILL LOSE POWER, SPUTTER AND LURCH UNTIL IT HAS BEEN RUNNING FOR A WHILE THEN IT ACTS NORMALLY. FINALLY, FOR THE PAST TWO MONTHS THE REAR DOOR LOCKS WILL NOT OPEN WITH THE KEYLESS ENTRY OR BY HITTING THE LOCK/UNLOCK BUTTON ON THE DOOR. I JUST REACHED THE 100K MARK AND KEEP UP REGULAR MAINTENANCE ON MY CAR SO I'M A LITTLE UPSET THAT THINGS LIKE THIS ARE HAPPENING SO EARLY. *TR”
Owner complaint to NHTSAFiled Sep 28, 2013Engine and engine cooling, Fuel system, gasoline, Latches/locks/linkages, SeatsODI 10546042
“I HAVE NOTICED A BURNING CRAYON SMELL IN MY 2003 VW JETTA FOR A FEW MONTHS. I HAVE HAD THE CAR DETAILED AND HAD THE DEALER CLEAN THE AC DUCTS YET THE SMELL REMAINS - AND GETS STRONGER IN HOT/HUMID WEATHER DAYS. I SEE OTHERS HAVE LISTED COMPLAINTS OF THE SAME NATURE - AND THE SOUND DEADENER MATERIAL UNDER THE CARPET SEEMS TO BE THE CULPRIT. I AM CONCERNED THAT THIS WILL AFFECT BREATHING AND COULD BE TOXIC. *TR”
Owner complaint to NHTSAFiled Jul 22, 2013Engine and engine coolingODI 10526178
“RATTLING NOISE IN THE ENGINE, OIL PUMP WAS NOT PUMPING OIL AND CAMSHAFT CHAIN TENSIONER (TIMING BELT) RATTLING FROM LACK OF OIL. I WAS INFORMED I NEEDED TO REPLACE ENGINE DUE TO METAL PARTICLES AND CARBON IN THE OIL PAN.”
Owner complaint to NHTSAFiled Apr 26, 2011Engine and engine coolingODI 10397914
“TL* THE CONTACT OWNS A 2003 VOLKSWAGEN JETTA. THE CATALYTIC CONVERTER FAILED AFTER BEING PREVIOUSLY REPLACED UNDER THE WARRANTY TWO YEARS PRIOR. THE VEHICLE WAS UNABLE TO PASS EMISSIONS. THE CONTACT STATED THE DEALER COULD MAKE REPAIRS BUT AT HIS EXPENSE. THE MANUFACTURER WOULD NOT PROVIDE ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED A SECOND TIME. THE VIN WAS NOT AVAILABLE. THE FAILURE AND CURRENT MILEAGES WERE 100,000.”
Owner complaint to NHTSAFiled Jun 23, 2010Engine and engine coolingODI 10339672

Showing 6 of 48 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
02 —Related recalls

1 recall on this component

Engine and engine cooling: engine

Free remedy

The Gates Corporation (Gates) is recalling certain aftermarket Tru-Flow Water Pumps, part number TFW 41127, sold at certain NAPA Auto Parts and/or installed by automotive service technicians after November 1, 2013 (and manufactured August 2013 through October 2013) that have a black-colored pulley/sprocket or do not have 'US9377' stamped on the water pump housing. These service replacement parts were sold for use in model year 1999-2005 Audi A4, 2000-2006 Audi TT, 1998-2005 Volkswagen Beetle, 1999-2006 Golf, 1999-2008 and 2011-2013 Volkswagen Jetta, and 2000-2005 Volkswagen Passat. In the affected water pumps, the pulley or sprocket that turns the timing belt may develop microfractures causing the timing belt to fail.

Engine and engine coolingReported Mar 7, 2014NHTSA 14E007000
Data from NHTSA Recalls API · synced Nov 10, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.