There are 42 owner-reported fuel system complaints for the 2006 Chevrolet HHRin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Fuel line is leaking under the car. I could smell gas when I would get out of my car.
Gas line leaking under left rear tire
Rear Section of the rear fuel line started to rott out and started leaking. The sction is where there is insulation on the line, adjacent to the Left rear tire. The rest of the line is good with no corrosion or rust. When the car is running and stopped a puddle forms under the car that is gasoline. I noticed it about a week ago , I smelled gas and thought the engine was the source, but later determined it was the fuel line as I could see the leak. It is by the rear plastic fuel line holder / support. The vehicle is always parked on a concrete driveway or paved street. Never on grass or dirt.
Fuel line rotting. Dripping gas towards rear of car. When I did my research this is very common with the Chevy cars. Like the HHR cavaliers and cobalts. Using a cheap metal then wrapping it in a heat shield that cause moisture to stay trapped causing the lines to rot.
TL* THE CONTACT OWNS 2006 CHEVROLET HHR. THE CONTACT STATED THAT THERE WAS AN ODOR OF FUEL WHILE THE VEHICLE WAS PARKED. THE CONTACT NOTICED A PUDDLE OF FUEL AT THE FRONT OF THE DRIVER'S SIDE UNDERNEATH THE VEHICLE. THE CONTACT ALSO NOTICED THAT THE VEHICLE WAS LEAKING FUEL WHERE THE HEAT SHIELD INSULATION RETURN AND BRAKE LINE WERE LOCATED. THE CONTACT STATED THAT FUEL LINE WAS CORRODED WITH SEVERAL HOLES. THE CONTACT CALLED REEDMAN TOLL AUTO GROUP (1700 LINCOLN HWY #101, LANGHORNE, PA 19047) AND INFORMED THE DEALER OF THE FAILURE AND WAS ADVISED TO SCHEDULE AN APPOINTMENT. THE CONTACT CALLED THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 128,586.
FUEL LINE LEAK NEAR REAR TIRE. FOUND PRESSURE LINE ROTTED INSIDE OF HEAT PROTECTION WRAP.
FUEL VAPOR LINE RUSTING OUT .FROM WHAT I HEAR THIS PROBLEM IS RAMPANT AMONGST THIS MODEL AND COBALTS.
FUEL LINES LEADING BETWEEN THE FUEL PUMP AND ENGINE HAVE RUSTED SEVERELY AND HAVE CAUSED A PUNCTURE FUEL LINE WHICH LEAKS FUEL.
MY 2006 HHR FUEL LINE BROKE AT THE REAR WHEEL ON THE LEFT SIDE OF THE VEHICLE. THE FUEL LINE HAS A BEND AT THIS LOCATION AND THAT IS WHERE THE BREAK OCCURRED. GAS WAS SPRAYING OUT WHEN THE CAR WAS RUNNING. THIS OCCURRED IN 2019. I HAVE SINCE REPLACES THE FUEL LINES WITH NYLON FUEL LINES.
RUSTED FUEL LINES LEAK GASOLINE AND VAPORS ARE RELEASED INSIDE CAB.CAR WAS PARKED IN DRIVEWAY.CHECK ENGINE LIGHT CAME ON WAS TAKEN TO TIRES PLUS *AS*JB
FUEL LINE RUSTING!!
FUEL SYSTEM RUSTED OUT !! FUEL LINES RUSTED CAUSING FUEL LEAKING FILLER TUBE RUSTED OUT FUEL SYSTEM FAILED ON MAJOR HIGHWAY THIS IS A KNOWN ISSUE AND GM REFUSE TO RECALL
THE CHEVY HHR WAS BUILT WITH STEEL FUEL LINES RUNNING FROM THE FUEL PUMP OUTSIDE THE FUEL TANK ACROSS THE FRONT OF THE TANK TO THE DRIVERS SIDE OF THE VEHICLE WHERE THEY TURN AND RUN JUST ABOVE THE EXHAUST PIPE. TO PREVENT HEAT BUILDUP THE FUEL LINES ARE WRAPPED WITH AN INSULATING TAPE OF SOME SORT. THIS TAPE LOOSENS OVER TIME AND ALLOWS WATER TO ACCUMULATE WITHIN THE WRAPPING OF THE FUEL LINES. THIS CAUSES THE FUEL LINES TO RUST TO THE POINT OF FAILURE WHEREIN THE FUEL THEN LEAKS OUT VERY NEAR OR ONTO THE EXHAUST PIPE. THIS IS A FIRE HAZARD AND COULD RESULT IN THE INJURY OR DEATH OF ANY OCCUPANTS OF THE VEHICLE IN THE EVENT OF A FIRE OR EXPLOSION OF THE FUEL TANK. ALTHOUGH THIS IS A PROBLEM WITH THE DESIGN OF THE HHR, CHEVROLET HAS YET TO DO ANYTHING ABOUT IT. I WAS TOLD BY MY LOCAL DEALER THAT THE ENTIRE FUEL LINE SYSTEM FROM THE TANK TO THE ENGINE WOULD NEED TO BE REPLACED AT AN ESTIMATED COST OF $1000. I DISCOVERED THIS WHEN I PARKED MY HHR IN THE DRIVEWAY AND SMELLED FUEL. MY VEHICLE IS LEAKING FUEL AND IS NOT SAFE TO DRIVE. I OWN 2 HHRS, A 2006 LS, AND A 2009 SS, AND AM NOW LOOKING AT A $2000 EXPENSE JUST TO MAKE THEM SAFE TO DRIVE. THIS SHOULD BE THE RESPONSIBILITY OF CHEVROLET, NOT EVERY OWNER OF A HHR.
THERE IS A FUEL LINE LEAK IN THE BACK BY THE REAR DRIVER'S SIDE TIRE LEAKING HAS ALL OVER. RUSTED ALREADY. WAS IN TOWN WITH MY KIDS AND DAD AND HAD IT IDLED FOR AWHILE AND GOT OUT AND SMELLED HAS REALLY BAD. SURE ENOUGH A PUDDLE OF GAS ON THE PAVEMENT. DROVE IT STRAIGHT HOME. EVERYONE WAS SCARED DUE TO THE LEAK. VERY DANGEROUS.
FUEL LINE LEAK BY LEFT REAR TIRE WHICH ALSO IS NEXT TO THE TAILPIPE. I HAVE READ SEVERAL COMPLAINTS ONLINE ABOUT THIS PROBLEM. THE LINE SITS IN A POOL OF WATER THAT FORMS ON THE FRAME.
BOTH THE FUEL LINE (TANK TO ENGINE COMPARTMENT) AND THE RETURN LINE (PART OF THE EGR SYSTEM) HAVE RUSTED AND ARE LEAKING FUEL. THE RUST ON BOTH LINES EXTENDS FROM JUST IN FRONT OF THE REAR WHEEL (ON THE DRIVER'S SIDE) TO WITHIN ABOUT 6 INCHES OF THE FUEL TANK. THE LINES LEAK WHEN PRESSURIZED, I.E., WHEN FUEL IS PUSHED THROUGH THEM BY THE VEHICLE'S ELECTRIC FUEL PUMP, AND THEY SEEP GASOLINE AFTER THE VEHICLE IS SHUT OFF. THE SMELL OF GASOLINE PERMEATES THE PASSENGER COMPARTMENT WHEN STOPPED, AND THE ENGINE IS RUNNING, AS AT A TRAFFIC SIGNAL. THE VEHICLE LEAVES A THIN PUDDLE OF FUEL, ABOUT 6" IN DIAMETER, BENEATH THE CAR WHEN PARKED. THE LEAK IS QUITE NEAR THE EXHAUST SYSTEM, AS WELL. THE VEHICLE HAS APPROXIMATELY 152,800 MILES. I AM THE ORIGINAL OWNER, HAVING PURCHASED IT FROM ROBINSON CHEVROLET, IN WHEELING, WV ON JULY 1, 2007. I AM VERY RELUCTANT TO DRIVE THE CAR, BECAUSE OF THE FIRE HAZARD THAT IT PRESENTS. FORTUNATELY, MY WIFE AND I HAVE ANOTHER VEHICLE THAT WE CAN SHARE, AT LEAST UNTIL THE FUEL LEAKAGE SITUATION IS RESOLVED ON THE HHR. I DID NOT HAVE AN OPPORTUNITY TO PHOTOGRAPH THE RUSTED LINES WHILE THE CAR WAS ON A LIFT, BUT I DID SHOOT A PHOTO OF THE LINES WITH MY MOBILE PHONE. THE PHOTO IS OF THE AREA JUST FORWARD OF THE DRIVER'S SIDE REAR WHEEL. (SEE UPLOADED PHOTO.) IT'S NOT THE BEST IMAGE OF THE PROBLEM, BUT IT IS THE BEST THAT I COULD DO WITH THE CAR IN MY DRIVEWAY.
FUEL LINES ON DRIVERS SIDE NEXT TO REAR WHEEL ARE RUSTING AND LEAKING FUEL OVER A EXHAUST PIPE,WHEN HOT WOULD SURELY CAUSE A FIRE. FROM WHAT I'VE READ A FEW HAVE CAUGHT FIRE.
FUEL LINE RUSTED AND BEGAN LEAKING VERY BADLY. I THOUGHT IT WAS THE EVAP SYSTEM IN THE BEGINNING, BUT TODAY THE GAS SMELL WAS VERY STRONG, TO FIND IN A WALMART PARKING LOT, A PUDDLE OF FUEL BACK BY THE REAR TIRE. THIS SEEMS TO BE COMMON PROBLEM, THERE SHOULD BE A RECALL ON THEM, AND THERE PROBABLY WEONT BE TILL SOMEONE DIES; THE LEAK IS VERY CLOSE TO THE EXHAUST ELBOW, BEFORE THE MUFFLER. I HAVE OWNED SEVEN CARS BEFORE THIS ONE, AND NOT ONE OF THEM EVER DEVELOPED BAD FUEL LINES, AND NEVER LEAKED FUEL. NOT EVEN A GAS TANK LEAK.
MY CAR WAS PARKED OUT FRONT OF MY HOME AND ON THE MORNING OF 12/28/2016 AS I WAS LEAVING FOR WORK I NOTICED A STRONG ODOR OF GASOLINE INSIDE OF MY VEHICLE. WHEN I GOT TO WORK AND PARKED MY CAR I LOOKED FOR THE CAUSE OF THE ODOR ONLY TO FIND THAT THERE WAS GAS LEAKING FROM THE DRIVERS SIDE OF THE VEHICLE IN FRONT OF THE REAR TIRE BY THE EXHAUST FROM THE GAS LINE. I HAVE NOT PAID TO HAVE THIS PROBLEM FIXED AND AFTER SOME RESEARCH I'VE FOUND OUT THERE ARE A FEW HUNDRED OTHER CASES SIMILAR TO MINE. IF MY VEHICLE CATCHES FIRE I WILL BE SUING GM. *TR
MY CAR WAS TAKING LONGER TO START AND I NOTICED A STRONG FUEL SMELL WHILE DRIVING. I STOPPED THE CAR AND DISCOVERED A SMALL BUT RAPIDLY EXPANDING SPOT OF FUEL ON THE GROUND IN FRONT OF THE DRIVER SIDE REAR WHEEL WELL. THERE WAS A NEAR CONSTANT DRIPPING OF GASOLINE AND BY THE NEXT DAY THERE WAS A SPOT THE SIZE OF A DINNER PLATE ON THE DRIVEWAY STAINED WITH GASOLINE. MY MECHANIC EXAMINED THE CAR AND SAID THAT THE FUEL LINE HAD RUSTED THROUGH AND THAT THE VAPOR LINE ALSO SHOWED SIGNS OF SERIOUS RUST. HE ALSO SAID THAT DUE TO THE DESIGN OF THE GUARD AROUND THE FUEL LINE, RAINWATER WOULD POOL AND KEEP THE FUEL LINE SUBMERGED WHICH GREATLY ACCELERATED THE RUSTING PROCESS. DUE TO THE AMOUNT OF FUEL LEAKING THIS COULD HAVE VERY EASILY HAVE TURNED INTO A FIRE, PARTICULARLY ON THE FOURTH OF JULY WITH SO MANY PEOPLE SHOOTING FIREWORKS. MY CAR IS STILL AT THE MECHANIC, HE TELLS ME THE DEALER TOLD HIM THESE FUEL LINES ARE IN HIGH DEMAND AND IT MAY BE A WHILE BEFORE THEY GET THEM IN. WITH AS WIDESPREAD AS THIS PROBLEM APPEARS TO BE, I SUSPECT AN INVESTIGATION AND RECALL MAY BE IN ORDER.
Showing 1–20 of 42 complaints
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