1984-2026 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1984-2026 Chevrolet Corvette has 59 documented known issues, with 26 rated critical. The most serious are C5 Electronic Steering Column Lock Failure ($100-$900 repair), Electric Power Steering Gear Failure Causes Sudden Loss of Steering Assist (Recalls 19V086 and 25V175) ($0-$2,200 repair), Electronic Brake Boost Module Sensor Contamination Causing Loss of Brake Assist - Recall 20V588000 ($0-$0 repair), LS7 Valve Guide and Valve Spring Failure - C6 Z06 ($2,500-$5,000 repair), Opti-Spark (Optispark) Distributor Failure on LT1/LT4 Engines ($800-$1,800 repair), Opti-Spark Optical Distributor Failure (LT1) ($800-$2,000 repair), Left Fuel Tank Pump Module Flange Cracks and Leaks Fuel ($0-$5,300 repair), Active Fuel Management Lifter Collapse Causes Engine Tick and P0300 Misfire ($2,500-$7,500 repair), ZR1 Fuel Spillage at the Filler Pocket Onto Ignition Sources - NHTSA Recall 25V536 ($0-$0 repair), Crankshaft Thrust Bearing Wear Causes Stalling, Clutch Chatter and Launch Vibration ($3,500-$9,000 repair), LT7 Engine Placed on GM Part Restriction for Possible Engine Failure (PIP6089) ($0-$30,000 repair), Cast Aluminum Wheels Crack and Bend at the Inner Bead Without Impact Damage ($700-$4,000 repair), LT6 Bottom-End Failure and Rod Knock Within the Break-In Period (Z06) ($0-$28,000 repair), TR-9080 Dual-Clutch (M1L) Failures, Filter Contamination and Stuck 'Service Transmission' Message ($150-$9,000 repair), Fuel Spillage into Filler Pocket Reaching Ignition Source - Recall 25V536000 ($0-$0 repair), Rear Half-Shaft Assemblies Missing Ball Bearings - Recall 22V091000 ($0-$0 repair), Front Seat Belt Retractors Locking in the Stowed Position - Recall 24V418000 ($0-$0 repair), Driver Seat Belt Retractor May Fail to Lock in a Crash - Recall 20V581000 ($0-$0 repair), Z06 LT4 Overheats and Drops Into Reduced Power Mode During Sustained Track Driving ($0-$4,500 repair), Electronic Column Lock (ECL) Failure - NHTSA Recall 04V060 ($0-$350 repair), Water Pump Front Seal Leak (Damages Opti-Spark) ($200-$700 repair), ZR-1 LT5 Fuel Injector (Multec) Failure ($1,200-$3,000 repair), Steering Column Lock (VATS) Failure - Cannot Start ($50-$500 repair), Harmonic Balancer Failure - C5 LS1/LS6 ($200-$600 repair), LT2 Broken Valve Spring Failure on Engines Built June-September 2020 ($0-$5,000 repair) and Coolant Entering Cylinders From Cylinder Head Casting Causes White Smoke and P050D ($3,000-$7,500 repair). Across all issues with published estimates, repair costs range from $50 to $30,000. DIY maintenance guides at au7o.io.
FUEL SYSTEM, GASOLINE
General Motors, LLC (GM) is recalling certain 2023–2026 Chevrolet Corvette vehicles equipped with a left-side radiator/fan combination. Excess fuel may spill into the vehicle fuel-filler pocket during refueling and leak onto an ignition source.
EXTERIOR LIGHTING:TURN SIGNAL
General Motors, LLC (GM) is recalling certain 2026 Chevrolet Corvette ZR1X Coupe, Corvette ZR1X Convertible, Corvette Coupe E-Ray, Corvette Convertible E-Ray, Corvette Convertible, Corvette Coupe, 2025 Corvette E-Ray Coupe, Corvette E-Ray Convertible, Corvette Convertible, and Corvette Coupe vehicles. A software error may prevent detection of a rear turn signal light failure. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
SEAT BELTS:FRONT:RETRACTOR
General Motors, LLC (GM) is recalling certain 2024-2025 Chevrolet Corvette vehicles. The driver and/or passenger seat belt retractors may lock in a stowed position and become inaccessible to occupants.
POWER TRAIN:DRIVELINE:DRIVESHAFT
General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Corvette vehicles. The rear half-shaft assemblies may be missing one or more ball bearings, which can result in a loss of drive power.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1984-2026 Chevrolet Corvette has 59 documented issues. The most frequently reported are: C5 Electronic Steering Column Lock Failure, Electric Power Steering Gear Failure Causes Sudden Loss of Steering Assist (Recalls 19V086 and 25V175), Electronic Brake Boost Module Sensor Contamination Causing Loss of Brake Assist - Recall 20V588000. Of these, 26 are rated critical and should be addressed promptly.
The 1984-2026 Chevrolet Corvette has 59 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 26 issues are rated critical: C5 Electronic Steering Column Lock Failure and Electric Power Steering Gear Failure Causes Sudden Loss of Steering Assist (Recalls 19V086 and 25V175) and Electronic Brake Boost Module Sensor Contamination Causing Loss of Brake Assist - Recall 20V588000 and LS7 Valve Guide and Valve Spring Failure - C6 Z06 and Opti-Spark (Optispark) Distributor Failure on LT1/LT4 Engines and Opti-Spark Optical Distributor Failure (LT1) and Left Fuel Tank Pump Module Flange Cracks and Leaks Fuel and Active Fuel Management Lifter Collapse Causes Engine Tick and P0300 Misfire and ZR1 Fuel Spillage at the Filler Pocket Onto Ignition Sources - NHTSA Recall 25V536 and Crankshaft Thrust Bearing Wear Causes Stalling, Clutch Chatter and Launch Vibration and LT7 Engine Placed on GM Part Restriction for Possible Engine Failure (PIP6089) and Cast Aluminum Wheels Crack and Bend at the Inner Bead Without Impact Damage and LT6 Bottom-End Failure and Rod Knock Within the Break-In Period (Z06) and TR-9080 Dual-Clutch (M1L) Failures, Filter Contamination and Stuck 'Service Transmission' Message and Fuel Spillage into Filler Pocket Reaching Ignition Source - Recall 25V536000 and Rear Half-Shaft Assemblies Missing Ball Bearings - Recall 22V091000 and Front Seat Belt Retractors Locking in the Stowed Position - Recall 24V418000 and Driver Seat Belt Retractor May Fail to Lock in a Crash - Recall 20V581000 and Z06 LT4 Overheats and Drops Into Reduced Power Mode During Sustained Track Driving and Electronic Column Lock (ECL) Failure - NHTSA Recall 04V060 and Water Pump Front Seal Leak (Damages Opti-Spark) and ZR-1 LT5 Fuel Injector (Multec) Failure and Steering Column Lock (VATS) Failure - Cannot Start and Harmonic Balancer Failure - C5 LS1/LS6 and LT2 Broken Valve Spring Failure on Engines Built June-September 2020 and Coolant Entering Cylinders From Cylinder Head Casting Causes White Smoke and P050D. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Chevrolet Corvette issues range from $0 to $30,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, C5 Electronic Steering Column Lock Failure, typically costs $100-$900 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
Reliability varies across model years of the Chevrolet Corvette. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 1984-2026 Chevrolet Corvette with 59 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.
Early C5s use an electronic Column Lock mechanism as part of the anti-theft system (fitted to 1997-2004 manual cars and 1997-2000 automatics). The mechanism and its electronics fail with age; when the column fails to unlock at key-on the PCM disables fuel and the car will not dri… Repairs typically run $100-$900. Severity: high.
The electric power steering gear assembly on the 2017 C7 can fail without warning, dropping power assist while the car is being driven. Owners report the steering suddenly becoming very heavy, sometimes recovering only after the ignition is cycled. NHTSA logged six power-steering… Repairs typically run $0-$2,200. Severity: high.
GM recalled 2020 C8 Corvettes after finding that sensor contamination inside the electronic brake boost (eBoost) module can interrupt communication within the braking system. The C8 uses an electronically boosted brake system rather than a conventional vacuum booster, so when the… Repairs typically run $0-$0. Severity: high.
The C6 Z06 (2006-2013) uses the LS7 7.0L V8 with titanium intake valves and aggressive valve springs. The exhaust valve guides wear prematurely, allowing valves to cock sideways, break valve springs, and drop valves into cylinders. This is catastrophic engine failure. The issue i… Repairs typically run $2,500-$5,000. Severity: high.
The LT1 (and 1996 LT4) uses a front-of-engine 'Opti-Spark' optical distributor mounted low behind the water pump, driven off the camshaft. It is highly vulnerable to moisture, heat, and ozone. The 1992-1993 units were completely unvented and are notorious for internal condensatio… Repairs typically run $800-$1,800. Severity: high.
The 1992-1996 LT1 uses the Opti-Spark optical distributor mounted low on the front of the engine, directly behind the water pump. Undersized factory vent/drain holes trap condensation, and any coolant seepage from the water pump weep hole or oil from the front crank seal corrodes… Repairs typically run $800-$2,000. Severity: high.
The C7 uses a saddle-style twin fuel tank. On 2014-2017 cars, cracks develop on the top surface of the left-hand fuel tank's primary fuel pump module flange, allowing liquid fuel and vapor to escape. Owners report a strong fuel smell - most obvious after parking a full car in a c… Repairs typically run $0-$5,300. Severity: high.
The Active Fuel Management (cylinder deactivation) lifters in the 6.2L LT1 and LT4 mechanically collapse or stick in their bores, producing a persistent top-end tick and a misfire that sets P0300. GM's own bulletin identifies four failure paths: a mechanically collapsed or stuck… Repairs typically run $2,500-$7,500. Severity: high.
GM issued NHTSA recall 25V536 (GM number N252514930) covering 2025-2026 Corvette ZR1 with the twin-turbo 5.5L LT7 and 2023-2026 Corvette Z06 with the 5.5L LT6, about 23,656 vehicles in total. On these cars excess fuel can spill into the fuel-filler pocket during refueling and dra… Repairs typically run $0-$0. Severity: high.
A damaged crankshaft thrust bearing allows excessive crankshaft endplay on both the LT1 and LT4. The symptom set differs by transmission, which is why it is often misdiagnosed. On manual cars owners report engine stalling, clutch chatter, and hard shifting into first gear or reve… Repairs typically run $3,500-$9,000. Severity: high.
GM has placed the 5.5L twin-turbo LT7 in the 2025-2026 Corvette ZR1 - and the naturally aspirated 5.5L LT6 in the 2023-2026 Z06 - on a Technical Assistance Center part restriction, published as #PIP6089 and highlighted in GM TechLink. A part restriction means a dealer cannot simp… Repairs typically run $0-$30,000. Severity: high.
The cast aluminum wheels fitted to the C7 Z06 (2015-2019) and Grand Sport (2017-2019) crack and deform under ordinary driving. Cracks initiate on the inner rim near the bead seat and propagate outward, producing a slow air leak that owners often first notice as a recurring low-ti… Repairs typically run $700-$4,000. Severity: high.
A cluster of 2023 Corvette Z06 cars suffered catastrophic LT6 engine failures at extraordinarily low mileage — documented cases at 52 miles and at 621 miles, both during or immediately after the factory break-in period and both on cars driven gently (one showed a 18.7 mph lifetim… Repairs typically run $0-$28,000. Severity: high.
The Tremec TR-9080 eight-speed dual-clutch transaxle (RPO M1L) fitted to every C8 has generated a sustained pattern of failures serious enough that GM formally notified NHTSA in November 2021 that it was investigating. The signature complaint is a 'Service Transmission' message t… Repairs typically run $150-$9,000. Severity: high.
GM recalled 2023-2026 Corvettes built with a left-side radiator/fan combination because excess fuel can spill into the fuel-filler pocket during refueling and drain onto an ignition source. On the mid-engine C8 the filler pocket sits directly above hot engine and exhaust hardware… Repairs typically run $0-$0. Severity: high.
GM recalled 2021 C8 Corvettes because rear half-shaft assemblies may have left the supplier missing one or more ball bearings inside the joint. A half-shaft joint short of its complement of bearings cannot carry the torque this car makes; the joint fails and the affected rear whe… Repairs typically run $0-$0. Severity: high.
GM recalled 2024 C8 Corvettes because the driver and/or passenger seat belt retractor can lock while the belt is fully stowed, leaving the webbing unable to be pulled out and the restraint effectively unusable. Unlike a retractor that fails to lock in a crash, this failure is obv… Repairs typically run $0-$0. Severity: high.
GM recalled 2020 C8 Corvettes because the driver's seat belt retractor may not lock as intended during a crash. The retractor's locking mechanism is what arrests the occupant against the belt in a collision; if it does not engage, the driver continues forward into the airbag and… Repairs typically run $0-$0. Severity: high.
C7 Z06 models with the supercharged 6.2L LT4 overheat and enter a reduced-engine-power mode when driven at sustained high speed on a road course in warm ambient temperatures. The factory cooling package is undersized for the LT4's heat rejection: the supercharger uses only two in… Repairs typically run $0-$4,500. Severity: high.
The electronic column lock system on 1997-2004 C5 Corvettes can fail to unlock when the vehicle is started, leaving the steering wheel locked. The car is designed to shut off fuel above 2 mph if the column stays locked, but if PCM voltage drops the fuel shutoff may not engage and… Repairs typically run $0-$350. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
