Problems · by component

2008 Chevrolet Cobalt power train problems

29 owner complaints to NHTSA about the 2008 Chevrolet Cobalt cite power train, 3% of all 940 complaints for this model year.

Complaints
29
3% of all complaints
Crashes
2
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the power train

Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2008 CHEVROLET COBALT. THE CONTACT STATED THAT THE STEERING WHEEL BECAME HARD TO TURN WHILE PARALLEL PARKING. THE POWER STEERING WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED THAT FIRST THE TRANSMISSION CONTROL MODULE, THE TRACTION CONTROL, IGNITION AND POWER STEERING WARNING LIGHTS ILLUMINATED. THE CONTACT STATED THAT THE GEAR SHIFTER WAS NOT SHIFTING TO FIRST GEAR AND THAT THE SPEEDOMETER WAS NOT FUNCTIONING AS DESIGNED. THE CONTACT STATED THAT AFTER THE TCM WAS GROUNDED TO THE CHASSIS, THE GEAR SHIFTER SHIFTED AS DESIGNED. THE CONTACT ALSO STATED THAT SHORTLY AFTER THE FAILURE, THE POWER STEERING BECAME HARD TO TURN. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 10V073000 (STEERING) AND STATED THAT THE VEHICLE HAD EXPERIENCED THE SAME FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 89,000.”
Owner complaint to NHTSAFiled Feb 10, 2021Steering, Power trainODI 11395557
“I HAD RECALLS FIXED IN 2015. AND THEN SUDDENLY POWER STEERING TURNS ON AND OFF. NEVER BEFORE THEY TOUCHED IT WAS THERE AN ISSUE. IT HAPPENS HERE AND THERE AND STOPS. THIS YEAR IS HAPPENING EVERY DAY AND WON'T GO AWAY. MY POWER STEERING TURNS OFF IN MIDDLE OF DRIVING. DASH BOARD LIGHTS GO OFF AND CAR STARTS CRANKING. GOES SUPER SLOW . I'M SCARED ITA GOING TO EXPLODE. I CAN'T DRIVE ON FREEWAY . AND NOW BESIDES THE LOCK ON SCREEN COMING ON MY ENGINE LIGHT STAYS ON NOW . NOT SURE WHAT TO DO WITH IT. CAR SHOPS CAN'T HELP. WHEN I 1ST HAD THE ISSUE I CALLED THE DEALER BECAUSE THEY FIXED THE RECALL AND THEY SAID NOTHING COULD BE DONE BECAUSE THEY HAD ALREADY FIXED THE RECALL”
Owner complaint to NHTSAFiled Sep 23, 2020Steering, Power train, EngineODI 11360824
“WHILE DRIVING ALL THE LIGHT ON INSTRUMENT PANEL WILL ALL LIGHT UP THEN THE TRANSMISSION WILL SHIFT HARD. THE CAR WILL NOT CRANK AT TIMES AND WHEN THIS HAPPENS ITS A GUARANTEE THE TRANSMISSION WILL SHIFT HARD. THE EVAP SENSOR IS FAULTING BECAUSE WHEN I PUT FUEL IN THE VEHICLE SEEMS LIKE IT DOES NOT WANT TO CRANK. THE EVAP PROBLEM DOES NOT SEEM TO BE RELATED TO A POSSIBLE COMPUTER MALFUNCTION. WE HAVE HAD THE FUEL PUMP REPLACED BY A LOCAL LICENSED MECHANIC.”
Owner complaint to NHTSAFiled Sep 10, 2020Steering, Power train, Electronic stability control (esc)ODI 11354087
“I'VE GIVEN THIS CAR REGULARLY BY THE BOOK MAINTENANCE AND NOW I'M BEING TOLD THE TRANSMISSION IS BAD AND NEEDS REPLACING. THERE ARE NO REPAIR MECHANICS THAT WANT TO REPLACE IT EITHER. THEY ALL STATE IT IS TOO COMPLICATED TO GET TOO. THEY TELL ME ITS CHEAPER TO BUY A NEW CAR. WITH THE AMOUNT OF CAR I'VE GIVEN THIS CAR, THERE SHOULD BE NO REASON THE TRANSMISSION SHOULD GO BAD. ANYTHING SMALL WITH IT SHOULD BE EASY TO REPAIR. IT IS AS IF THE ENGINEERS SET THE CONSUMER UP TO FAIL. I HAVE A GREAT CAR THAT IS ONLY AN 08 WITH A NICE BODY, STARTS INSTANTLY, AND NO ONE WILL TOUCH THE TRANSMISSION! WHEN I START OFF WITH THIS VEHICLE AND I SLOWLY START TO TAKE OFF FROM 0-20 IT TAKES IT A STRANGE AMOUNT OF TIME TO GET TO 20MPH THAN ITS FINE. IT ALSO HAPPENS AT STOP SIGNS AND SOME LIGHTS. OCCASIONALLY, IF I TURN OFF THE CAR AND RESTART IT ITS FINE. I WAS FORCED TO PURCHASE A SECOND VEHICLE AND DEALERS WOULD NOT EVEN ACCEPT IT AS A TRADE IN WHEN I TRIED TO GET A NEW CAR. LIKE I SAID, BODY WISE SHE IS IN GREAT CONDITION. WHAT IS GOING ON WITH THIS TRANSMISSION IS OUTRAGEOUS.”
Owner complaint to NHTSAFiled Mar 21, 2020Power trainODI 11318904
“MY 18-YEAR-OLD DAUGHTER HAD A DEFECTIVE IGNITION SWITCH IN HER VEHICLE CAUSING HER TO LOSE CONTROL OF HER VEHICLE AND CRASH INTO A DITCH ON TODAY 11/29/2018 WE CHECK THE RECALL LIST BEFORE WE PURCHASED HER VEHICLE AND IT WAS LISTED AS SAFE.”
Owner complaint to NHTSAFiled Nov 29, 2018Steering, Power train, Unknown or otherCrash reportedODI 11154778
“WHEN DRIVING AT A CONSTANT RATE, WITH CONSTANT ACCELERATOR PRESSURE, BETWEEN APPROXIMATELY 25 TO 50 MPH, THE RPMS JUMP/FLUCTUATE CAUSING THE CAR TO LURCH AND HESITATE. THIS CAN BE A SAFETY HAZARD, PARTICULARLY IN ICY CONDITIONS. THE ONLY WAY TO AVOID THE HESITATION IS TO ACTIVELY ACCELERATE OR DECELERATE. THERE ARE NUMEROUS OWNERS THAT HAVE POSTED AN IDENTICAL ISSUE ON MESSAGE BOARDS AND HAVE STATED THAT THEIR VEHICLES HAD SIMILAR ISSUES THAT WERE REMEDIED BY SIMILAR REPAIR PROCESSES AND THAT CHEVROLET HAS ALTERED THE PROCESS USED TO MAKE REPLACEMENT PARTS AS THE INITIAL PARTS WERE DEFECTIVE. IN ADDITION TO BEING A SAFETY HAZARD, IT IS ALSO AN EXCESSIVE AND COSTLY BURDEN ON VEHICLE OWNERS. MY VEHICLE HAS ONLY 40,000 MILES ON IT AND HAS BEEN DOING THIS SINCE UNDER 35,000 MILES. IT CANNOT BE DOCUMENTED WITHOUT A VIDEO. THE RPMS JUMPING IS A CONSTANT AND UNRELENTING ISSUE WHEN DRIVING AT A CONSTANT RATE OF SPEED BETWEEN APPROXIMATELY 25-50 MPH.”
Owner complaint to NHTSAFiled Nov 26, 2018Power train, Vehicle speed control, Unknown or otherODI 11154053

Showing 6 of 29 reports. Read every report on NHTSA.gov.

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

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