This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
full bulletin at NHTSA ↗2011 Chevrolet Camaro engine problems
severe Owners of the 2011 Chevrolet Camaro have filed 20 NHTSA complaints about the engine, typically surfacing around 48,000 miles at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Failure mileage
Complaints
20
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2010 Camaro | 57 |
| 2011 Camaro (this page) | 20 |
| 2012 Camaro | 14 |
| 2013 Camaro | 7 |
| 2014 Camaro | 6 |
| 2015 Camaro | 9 |
1crash
1fire
When does it fail?
Of the 20 engine complaints filed for the 2011 Chevrolet Camaro, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Among the 12 model years of Chevrolet Camaro in our records for engine problems, this one ranks #2 by owner-complaint volume.
No new NHTSA engine complaint has been filed on this vehicle in over 11 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
full bulletin at NHTSA ↗This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
full bulletin at NHTSA ↗This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
full bulletin at NHTSA ↗This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners describe multiple interconnected engine failures on 2011 Camaros that appear unrelated to maintenance or driving habits. The most common complaint is excessive oil consumption or leaking—often within 2,000 miles of dealer repair. Faulty engine seals, plugs, and the oil filter adapter housing fail repeatedly; one owner lost a quarter of oil in under 500 miles. Even after GM replaced the entire engine cover assembly and seals, the vehicle continued burning oil at 1 quart per 2,000 miles. Dealers advised against full synthetic oil, claiming the seals and rings wouldn't seat correctly.
Timing chain stretch is reported by multiple owners at 53,000 to 80,000 miles, causing rough running, stalling, engine knock, and low compression. One owner heard tractor-trailer engine sounds with rhythmic banging and required complete engine replacement. The same 3.6L engine is recalled in Saturn, GMC Acadia, and Cadillac models, yet Camaro owners report GM declined warranty coverage, claiming owner responsibility.
Rod bearing failure is documented by owners experiencing sudden engine knock that progressed to rod blowout, with debris ejected from the engine block. Another owner reported catastrophic internal engine damage (damaged camshaft, cylinders, metal fragments in the differential) at just 3,608 miles. Engine power reduced warnings, overheating with unresolved water pump and thermostat replacements, and abnormal engine noise at idle or low speed are additional complaints. Multiple owners report dealers unable to diagnose failures or offering no repairs despite manufacturer notification.
Same Chevrolet Camaro engine reports on nearby years: 2010 · 2012
Failure modes owners describe
Excessive Oil Consumption / Oil Leaks
Multiple owners report the engine burning or leaking oil at abnormal rates. Some traced the issue to faulty engine seals, plugs, and the oil filter adapter housing where the seal deteriorates and gushes oil. One owner reported losing a quarter of oil in less than 500 miles. Despite multiple seal and gasket replacements, some vehicles continue to consume oil at 1 quart per 2,000 miles, with visible oil residue on engine components.
When: Starts early in vehicle life; one owner at 2,000 miles, another at under 500 miles since seal failure
Symptoms owners cite: Oil level drops rapidly on dipstick; Visible oil residue on alternator and engine cover; Continued oil consumption after seal/gasket replacement; Check engine light triggered after top engine cleaner and cover assembly replacement
Codes mentioned: P0xxxx (check engine codes not specified)
Repairs/costs cited: Engine seals, plugs, oil filter adapter housing seal, engine cover assembly replacement. Dealers advised against using full synthetic oil (Dextrose brand) due to seal/ring compatibility issues. Owner reports continued issues after $1,000+ in repairs.
Recalls/TSBs owners mention: GM directed dealer to perform top engine cleaner; replaced entire engine cover assembly and seals. GM acknowledged oil consumption within spec at 1 quart per 2,000 miles and told owner not to rely on oil % life indicator; manually check at 5,000-mile intervals.
Timing Chain Stretch / Failure
Multiple owners report stretched timing chains causing rough idle, stalling, low compression, and loud engine knock. One owner at 78,000 miles heard tractor-trailer engine sound with bangs every 3/4 second; another at 53,000 miles experienced rough running and stalling. Owners note the same 3.6L engine is recalled in Saturn, GMC Acadia, and Cadillac models but not the Camaro, despite identical design. One dealer acknowledged a service alert from manufacturer.
When: Reported between 27,000 to 80,000 miles, no warning lights in some cases
Symptoms owners cite: Engine knock or loud rattling from front of engine; Rough running and stalling while driving; Engine sounds like tractor trailer with rhythmic banging; Low compression in cylinders; No check engine light warning in one case despite mechanical failure
Codes mentioned: P0xxxx (check engine codes not specified by owners)
Repairs/costs cited: Complete engine replacement required in at least two cases. One owner reported cost was owner's responsibility despite service alert. Another owner replaced valve lifters, head gaskets, valve cover gaskets, exhaust gasket, and bolts at dealer, but failure continued requiring full engine replacement.
Recalls/TSBs owners mention: Dealer was aware of service alert from manufacturer. GM declined warranty coverage, stating it was owner issue. Owner contacted GM directly; GM said if recall is eventually issued, they will reimburse repair cost. Same engine covered by recalls on other GM models but not Camaro.
Engine Overheating / Cooling System Failure
Owners report engine overheating with 'Engine Power Reduced' and 'Car Overheating Turn Off Engine' warnings. Water pump and thermostat replacements did not resolve the issue in at least one case. Coolant smell reported by another owner at low mileage (13,800 miles).
When: One case at 73,416 miles; coolant smell at 13,800 miles
Symptoms owners cite: Vehicle overheats while driving; Engine power reduced warning light; Car overheating turn off engine warning; Strong radiator fluid smell; Failure recurred after water pump replacement
Codes mentioned: P0xxxx (check engine codes not specified)
Repairs/costs cited: Water pump replaced; thermostat replacement recommended but not completed. One owner had to take vehicle back multiple times as issue persisted.
Recalls/TSBs owners mention: Manufacturer notified. Dealer unable to reproduce failure until check engine light illuminated. Recommended water pump and thermostat replacement.
Engine Bearing Failure / Rod Knock
Owners report spun rod bearings and catastrophic engine failure. One owner heard engine knock and then rod blew out through engine block at highway speed, with parts and debris shot from vehicle. Another case at 3,608 miles involved transmission rattle, engine misfires, sudden stall, and subsequent discovery of damaged camshaft and cylinders.
When: One case at 78,000 miles; another at 3,608 miles; another at low speed reported
Symptoms owners cite: Engine knock or loud rattling noise from transmission area; Multiple engine misfires; Sudden engine stall; Engine blow through, parts and debris ejected from bottom of vehicle; Vehicle shaking and stalling at 10 mph
Codes mentioned: P0xxxx (codes not specified)
Repairs/costs cited: Complete engine replacement required. One owner had to tow vehicle after rod failure; another had rear differential housing leaking, camshaft and cylinder damage requiring rebuild.
Recalls/TSBs owners mention: Manufacturer notified in at least one case. Vehicle in process of repair; no recall issued despite multiple reports.
Rear Differential Damage / Metal Fragments in Gearbox
One owner reported rear differential severely damaged with excessive metal fragments in gearbox oil, discovered during engine warning light diagnosis. Differential bearings and rear passenger wheel hub also damaged. Differential housing later found leaking.
When: 3,608 miles
Symptoms owners cite: Engine warning light continuously illuminated; Loud rattling noise from transmission; Multiple engine misfires; Sudden stall; Rear differential housing leak; Excessive metal fragments in gearbox oil
Codes mentioned: P0xxxx (engine warning light codes not specified)
Repairs/costs cited: Gearbox oil replaced; rear differential bearings replaced; rear passenger side wheel hub replaced. Multiple repeat visits to dealer (3-4 times) before final diagnosis. Vehicle required further repair for camshaft and cylinder damage.
Recalls/TSBs owners mention: Manufacturer notified. Inspector diagnosed vehicle with no resolution provided initially.
Engine Knock / Valve Lifter Failure
Owner heard abnormal noise from front of engine at 45 mph with no warning indicators. Dealer diagnosed valve lifter, head gaskets, valve cover gaskets, exhaust gasket issues requiring replacement. After repair, failure continued, necessitating full engine replacement.
When: 79,136 miles
Symptoms owners cite: Abnormal noise from front of vehicle; No warning indicators before failure
Codes mentioned: P0xxxx (not specified)
Repairs/costs cited: Replaced driver-side valve lifter, valve lifters, head gaskets, valve cover gaskets, exhaust gasket, and bolts. Failure continued after initial repair. Full engine replacement required.
Recalls/TSBs owners mention: Manufacturer not notified.
Engine Power Reduced / Stability Control Failure
Multiple owners report engine power reduced warnings with deceleration and loss of stability control. In one case, the vehicle would not accelerate over 35 mph and had engine knock at low speeds. Another case involved total loss of warning lights, ESC, transmission shifting control, and unstable steering, repeated across three repair attempts.
When: 27,000 miles, 69,000 miles; one case on multiple occasions
Symptoms owners cite: Engine power reduced warning light; Stability tract / ESC light illuminated; Vehicle deceleration; Engine knock at low speeds; Unable to accelerate over 35 mph; Transmission unable to shift out of 2nd or 3rd gear; Unstable steering; All warning lights and ESC fail simultaneously; Door locks and warning bells malfunction
Codes mentioned: P0xxxx (not specified)
Repairs/costs cited: One case not repaired; technician said motor was operating as intended. Another case taken to dealer three times for ESC repair with persistent failure.
Recalls/TSBs owners mention: Manufacturer made aware in at least one case. No repairs completed despite multiple dealer visits.
Abnormal Engine Noise at Idle / Low RPM
Owners report roaring or rattling noises from engine at idle and low speed, including excessive shake and vibration. One case reported abnormal noise at 60 mph while driving, another at 45 mph, another reported excessive rattle and shake between 35-55 mph on normal roads. Dealer attributed one to exhaust with no fix available.
When: Early in vehicle life (60 miles in one case), 2,000 miles, 60,000+ miles
Symptoms owners cite: Roaring abnormally loud engine noise as RPMs increase; Rattling and shaking excessively while driving; Engine knock or abnormal noise from front; Exhaust-related rattling (dealer diagnosis); Violent shaking at 60 mph
Codes mentioned: P0xxxx (not specified)
Repairs/costs cited: One case: no fix available per dealer, attributed to exhaust. Multiple dealer visits in another case with no resolution. Another case could not be reproduced by technician.
Recalls/TSBs owners mention: Manufacturer made aware in at least two cases. One case informed exhaust was making noise but no fix available. Vehicle not repaired despite multiple visits.
Synthesized from 20 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
I'm writing, because I believe the Chevy camaro may possibly have some faulty parts. Today there was a,deadly crash involving a Chevy camaro that exploded,on impact. Apparently the passengers,burned to death in this vehicle. Since I myself drive a,2011,Chevy camaro I was wondering what would cause this vehicle to,explode. I googled "camaro fire impact" to see,if any possible recalls, how ever I…
While driving my 2011 camaro rs the engine warning light came on then the power train disengaged momentarily all warning lights and ESC failed. The auto transmission would not shift out of 2nd or 3rd gear and the steering became unstable. Warning bells and door locks went off. This car is unsafe to drive and has been returned to the dealer. Despite three times to repair the ESC, the car continues…
The timing chain on my camaro 3.6l was stretched causing the engine to run rough and stall out while driving. The dealership was well aware of the issue based on a service alert from the manufacture. The vehicle had 53000 miles and was repaired at my cost for a know manufacturer defect. Had to get the vehicle repaired for safety because it was unsafe to drive. I believe general motors is issuing…
Had engine trouble with your 2011 Chevrolet Camaro?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2011 Chevrolet Camaro?
It's a meaningful issue. 20 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Across the 17 complaints that reported odometer mileage, most engine failures cluster between 27,000 and 73,416 miles, with the median around 48,000. A quarter of owners report trouble before 27,000; a quarter make it past 73,416. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2011/Chevrolet/Camaro.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.