Other engine problem on the 2006 Chevrolet Corvette Z06
2 fires 2 of the 15 reports for this failure mention a crash, a fire, an injury or a death. Those are the owner's words on the complaint form, not a verified finding, and one report can mention more than one.
When other engine problem gets reported
Owners of the 2006 Chevrolet Corvette Z06 report other engine problem at a median of 40,000 miles. A quarter of the reports come in before 30,000 miles and a quarter after 55,000 miles, from 15 reports that carried an odometer reading.
A part like this is normally expected to survive 95,000 miles. It is the 1st most-reported problem on this model year.
The mileage distribution
The reported range runs from 20,000 miles at the tenth percentile to 55,000 miles at the ninetieth, a spread of 37,092 miles across the middle 80% of reports.
A window that narrow is the signature of a part that fails on its own schedule rather than on how the car is driven — which is usually a design or supplier problem rather than wear and tear.
47% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 18,508 miles | 29,200 miles | 39,340 miles | 52,662 miles | 55,600 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Of these reports, 2 a fire is mentioned. Owners write their own complaints and the agency does not verify them, so read this as what the reports say happened rather than as a confirmed count.
Putting it right typically runs $300–$4,000 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
The same failure on other years
The same failure is reported on 3 model years of this car. It shows up earliest on the 2008, at a median of 30,000 miles, and latest on the 2006 at 40,000 miles.
By volume the 2008 carries the most reports, with 21; the 2006 has 15. A mode that appears across most years of a model is usually a design choice rather than a bad batch.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
Massive engine failure due to a failed exhaust valve after inspection, car lost all power and was immobile after rolling to a stop. The 7 and 8 cylinder on the block were completely ventilated. This is a very common problem with 2006-2011 corvettes and many others have had the same issue.what happens is the head of the exhaust valve falls off and then it makes contact with the piston and takes out the block and piston and rods. Please investigate this as there is several hundred or more z06 equipped with the ls7 motor that has had the same issue. It is a safety concern and imho there should be some kind of recall on these motors. *tr
I was driving back home from lunch with a friend I haven't seen for a while, car ran flawlessly up to the loss, dropped him back off at his car and we parted ways. Then on my way home, making a left hand turn, going about 40mph, 3rd gear cruising along all of a sudden the car sounded like the exhaust came loose, followed by a lot of engine noise, followed by a large white puff of smoke from behind. I had a extended warranty that was by mercury and they denied the warranty due to abuse. Went to a race event 3 months prior and did 3 races on a straight away from 50-130, found footage of my car on youtube and they claimed that was the reason why I blew my motor. They said I either had to deny that and risk getting charged with fraud or admit that was me in the video. This will definitely be the last gm I ever buy. Now left with a useless car and having to pay out of pocket for a new motor. *tr
Noticed a loud ticking from valve train. Had heads removed and found exhaust valve guides were out of specification after 11,000 miles by 50%. Had to do valve job on heads because chevy denied claim. Now a recall out for 08 and newer but no coverage for 2006 and 2007! *tr
Also reported on the 2006 Chevrolet Corvette Z06
Other driver assistance problem
Other body or interior problem
Other steering problem
Fuel leak or fuel odor
Other powertrain problem
Other electrical problem
How far this goes
Complaints are voluntary, so 15 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does other engine problem happen on the 2006 Chevrolet Corvette Z06?
Across 15 owner reports that included an odometer reading, half were filed by 40,000 miles. A quarter were filed before 30,000 miles and a quarter after 55,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is other engine problem on the 2006 Chevrolet Corvette Z06?
15 reports have been filed with NHTSA, about 6.8 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed