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Service bulletins for the 2010 Chevrolet Cobalt

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1143 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
PIP4716F2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; STEERING:HYDRAULIC POWER ASSIST SYSTEM; ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that may have a short, sharp rattle noise from the front of the engine at start up. Technician may find Diagnostic Trouble Codes P0011 P0014 P0016 or P0017. Technician will need to inspect the engine belt. If the vehicle is equipped with a hydraulic power steering, technician will need to verify the power steering pulley outer edge is aligned flush with shaft and repair as needed. If pulley alignment is correct or vehicle does not have hydraulic steering, replace the engine belt. If the noise is still present and it is coming from the cam actuators they will need to be replaced.
16-NA-2222017-05-25. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES THE TECHNICIAN WITH WHAT MAY HAPPEN TO AN ENGINE DUE TO LACK OF MAINTENANCE.
PIP5029G2017-05-16. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A MALFUNCTION INDICATOR LAMP ON OR ENGINE MISFIRE, ROUGH IDLE, EXTENDED CRANK, OR CRANK NO START IN SOME CASES. TECHNICIAN WILL NEED TO PERFORM PUBLISHED SERVICE INFORMATION DIAGNOSTICS. IF TECHNICIAN FINDS CARBON, AN UPPER ENGINE AND VALVE CLEANING SHOULD BE PERFORMED.
PIP4739A2016-11-01. Service bulletin. ENGINE; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF AN OIL LEAK IN THE HIGH PRESSURE FUEL PUMP AREA.
PIP4786C2016-10-20. Service bulletin. ENGINE AND ENGINE COOLING. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE LOW OIL PRESSURE MESSAGE. TECHNICIAN MAY ALSO FIND A DIAGNOSTIC TROUBLE CODE P0521 IN THE ENGINE CONTROL MODULE. TECHNICIAN SHOULD FOLLOW ALL PUBLISHED SERVICE INFORMATION DIAGNOSIS. WHEN USING A SCAN TOOL IF THE OIL PRESSURE IS LOW BUT THE OIL PRESSURE AT THE OIL FILTER HOUSING IS CORRECT, TECHNICIAN SHOULD INSPECT THE VALVE LIFTER OIL FILTER FOR DEBRIS/SLUDGE THAT COULD BE RESTRICTING OIL FLOW TO THE OIL PRESSURE SENSOR. TECHNICIAN SHOULD REMOVE THE VALVE LIFTER OIL FILTER AND CLEAN IT. IF THE VALVE LIFTER OIL FILTER CANNOT BE CLEANED REPLACE IT.
PI1394A2016-10-19. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES ADDITIONAL INFORMATION ON HOW TO INSTALL PISTONS AND SUGGEST WHAT TOOLS TO USE.
030604017I2016-10-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. THIS INFORMATIONAL BULLETIN EXPLAINS THE USE OF DIESEL FUEL ADDITIVES IN AN ENGINE, ARE NOT REQUIRED UNLESS THE CUSTOMER DESIRES ADDITIVES TO PREVENT FUEL CONCERNS DEPENDING ON FUEL OR TEMPERATURE RELATED CONDITIONS.
030603004R2016-10-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO TEST A BATTERY AND WHAT IS NEEDED TO WARRANTY A BATTERY.
000601026I2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETINS PROVIDES INFORMATION ON THE INTAKE MANIFOLD INSPECTION/REPLACEMENT AFTER SERVERE INTERNAL ENGINE DAMAGE.
000601012F2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES.
16NA2492016-10-14. Service bulletin. ENGINE AND ENGINE COOLING. THIS INFORMATIONAL BULLETIN EXPLAINS A POSSIBLE NORMAL WHINING NOISE FROM THE BALANCE SHAFT CHAIN IF THE VEHICLE HAS LESS THAN 10,000 MILES ON IT.
PIP4548F2016-09-23. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN WHAT TO INSPECT IF CODES P0016 AND/OR P0017 ARE SETTING ON A PROPERLY TIMED ENGINE OR A CONDITION OF THE VEHICLE CRANKS BUT WILL NOT START. TECHNICIAN SHOULD INSPECT THE RESPECTIVE INTAKE OR EXHAUST CAMSHAFT RELUCTOR TO SEE IF IT HAS SPUN ON THE CAMSHAFT. THE RELUCTOR CANNOT BE REPOSITIONED SO THE CAMSHAFT MUST BE REPLACED. THE NEW CAMSHAFTS COME WITH THE RELUCTOR ALREADY PRESSED ON IN THE CORRECT POSITION.
SB-07-06-01-016C2016-08-09. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION INTERNAL ENGINE NOISE OR DAMAGE AFTER OIL FILTER REPLACEMENT
PI08172016-06-17. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC-54412011-06-27. Service bulletin. STEERING; ENGINE AND ENGINE COOLING:ENGINE. GM: THERE ARE MULTIPLE WARNING LIGHTS ON. THERE IS HARSH SHIFTING, HARD STEERING, AND NO START. THERE MAY BE MULTIPLE TROUBLE CODES STORED. *RM
PIP-4716A2011-06-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THERE MAY BE A SHORT RATTLE NOISE FROM THE FRONT OF THE ENGINE WHEN IT IS STARTED. IT COULD BE A PROBLEM WITH CAM PHASERS OR THE ENGINE BELT. *RM
PIP-4495C2011-06-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THERE MAY BE NOISE COMING FROM THE CYLINDER HEAD, BECAUSE OF LOW OIL PRESSURE WHICH IS CAUSED BY DEBRIS. *RM
SB-10-06-04-001C2011-06-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. GM: THE CHECK ENGINE LIGHT IS ON. THERE IS CONDENSATION ON THE FUEL TANK PRESSURE SENSOR CAUSING AN IMPROPER READING. *RM
PIE0047B2011-06-03. Service bulletin. ENGINE AND ENGINE COOLING. GM: THE VEHICLE PERFROMANCE MAY BE POOR WITH AN INOPERATIVE FUEL GAUGE. THE MALFUNCTION LIGHT MAY ALSO BE ON. *RM
PI-0128A2011-03-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHEVROLET/PONTIAC/SATURN/DAEWOO/OPEL: ENGINE MISFIRE/LOW COMPRESSION. TECHNICIAN SHOULD PERFORM A COMPRESSION TEST. RESULTS MAY LEAD TO CYLINDER WITH LOW COMPRESSION (85-90PSI). THIS MAY CAUSE THE MISFIRE. *PE
PIP-48202011-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. CHEVROLET/PONTIAC/SATURN/DAEWOOD/OPEL: LOW TURBOCHARGER BOOST PRESSURE OR POSSIBLE DTC P0299. TECHNICIANS MAY FIND DTC P0299 PRESENT. MAY ALSO FIND THE TURBO WASTEGATE ACTUATOR ROD NUT MISSING. MOST PARTS OF THE TURBOCHARGER ARE NOT SERVICEABLE. *PE
SB-10-06-04-0012010-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. CHEVROLET/GMC/PONTIAC: INTERMITTENT MIL/CHECK ENGINE LIGHT ON, DTC P0442, P0446, P0451, P0452, P0453, P0454 OR P0455 (INSTALL FUEL TANK PRESSURE SENSOR COVER). THIS CONDITION MAY BE CAUSED BY NORMAL WATER ACCUMULATION OR CONDENSATION BLOCKING THE AIR REFERENCE PORT OF THE FUEL TANK PRESSURE SENSOR. *PE UPDATED 2/07/11. *PE UPDATED 2/25/11. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.