There are 2 owner-reported engine complaints for the 2006 Volkswagen Golfin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
(1) INTERCOOLER LEAKING OIL @ 16K MILES ON A 2006 VW GOLF TDI. FAILURE IS DUE TO CHAFFING OF THE ALUMINUM INTERCOOLER PIPES BY THE PERPENDICULAR PIECE OF PLASTIC THAT EXTENDS TO IT FROM THE FRONT PASSENGER SIDE GRILL AND TOUCHES THE INTERCOOLER. DURING NORMAL DRIVING, OVER TIME, THE PLASTIC MOVES AND RUBS AGAINST THE INTERCOOLER AND EVENTUALLY CREATES HOLES WHERE OIL LEAKS OUT AND PUDDLES ON THE FRONT SIDE OF THE PASSENGER WHEEL WELL. (2)AS SOON AS I SAW THE OIL PUDDLING IN SMALL 3-5" CIRCLES, I BROUGHT THE CAR TO THE DEALER WHERE THEY VERIFIED MY CONCERN. IF LEFT UNCHECKED, THIS WOULD LEAD TO CONTINUED LOSS OF OIL, LOSS OF BOOST AND EVENTUALLY FAILURE OF THE TURBO. (3)DEALER IS FIXING UNDER WARRANTY, BUT TOLD ME THEY WILL ONLY REPLACE THE INTERCOOLER AND WILL DO NOTHING TO RESOLVE THE ROOT CAUSE OF THE PROBLEM, WHICH IS THAT THE HARD PLASTIC RUBS AGAINST THE SOFT ALUMINUM METAL OF THE INTERCOOLER PIPES AND CAUSES A HOLE. DEALER CLAIMS THERE IS NO TSB FROM VW WHICH IS ABSURD. NUMEROUS INTERNET SEARCHES AND LOOKING ON WWW.TDICLUB.COM SHOW MANY OCCURRENCES OF THIS PROBLEM. IT IS SPECIFIC TO THE TDI VERSION OF THE GOLF SINCE IT HAS A TURBO. AT A MINIMUM, THE PLASTIC NEEDS TO BE TRIMMED AND A PIECE OF FOAM OR SOMETHING SOFT NEEDS TO BE INSERTED SO NOTHING HARD CAN RUB AGAINST THE ALUMINUM INTERCOOLER PIPES. IF THE ROOT CAUSE IS NOT ADDRESSED THEN THIS WILL CONTINUE TO FAIL. IT IS A RELIABILITY CONCERN, A SAFETY CONCERN (LOSS OF BOOST, TURBO FAILURE), AN ENVIRONMENTAL CONCERN (LEAKING OIL) AND A COST CONCERN SINCE EVENTUALLY THE CAR WILL BE OUT OF WARRANTY.*JB
WHILE DRIVING VEHICLE (ONLY 14,500 MILES) ALL OF A SUDDEN, THERE WAS A LOSS IN POWER AND A WHINING SOUND. THE WHINING SOUND INCREASED SPEED AND PITCH WHEN STEPPING ON THE ACCELERATOR PEDAL. THEN SOON AFTER, SMOKE CAME FROM THE TAIL PIPE. PARKED CAR AND HAD IT TOWED TO THE DEALER OF PURCHASE. DEALER WILL NOT INSPECT CAR FREE UNDER WARRANTY UNLESS I CAN PROVE THAT I USED THE VW APPROVED MOTOR OIL. CALLED DEALER SERVICE MANAGER AND GOT SAME REPLY. CALLED VW CUSTOMER CARE NUMBER AND GOT THE SAME REPLY. BY THIS TIME, CAR WAS NOT OPERABLE FOR ALMOST 3 WEEKS JUST SITTING IN THE DEALER SERVICE LOT. DEALER SERVICE AND VW OF AMERICA REFUSE TO TAKE RESPONSIBILITY FOR THE REPAIR. DEALER SAID THEY WOULD INSPECT THE CAR FOR $625.00. IF FOUND TO BE A MANUFACTURER'S DEFECT, I WOULD NOT HAVE TO PAY THE $625.00 NOW I AM WAITING FOR THE DEALER SERVICE TO TELL ME THAT IT WAS NOT A DEFECT AND THAT SOMEHOW THE ENGINE FAILURE WAS MY FAULT. *JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026