This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
The contact owns a 2005 Chevrolet Silverado 1500. While driving 35 mph, the temperature gauge increased and the coolant fan activated. The vehicle was towed to a dealer for diagnostic testing and the mechanic diagnosed that the water pump and the thermostat needed to be replaced. The vehicle was repaired, but the failure recurred. The vehicle was towed to the dealer for diagnostic testing. The reservoir and the lower water hose were replaced, but the failure recurred. The vehicle was towed to a dealer and the mechanic stated that the vehicle was leaking coolant, which was causing the heads to crack. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 120,000.
Exhaust manifold bolts breaking leaving studs in the heads, heating up engine compartments, releases carbon monoxide, affects O2 sensor and catalytic converter. Will not pass emissions in some states. GM not standing behind this 1999-2008 issue. It is a safety issue and is expensive to fix. GM mechanics denying any such issues. Please check- in to this. Our whole fleet and our personal trucks affected by this.
Exhaust manifold bolts breaking off leaving studs in the heads heating up engine compartment, releases carbon monoxide, affects O2 sensor and catalytic converter, will not pass emissions in some states. GM not standing behind this 1999-2008 issue. It is a safety issue and is very expensive for us to fix. GM mechanics say they have not heard of this issue. Please check in to this.
Exhaust manifold bolts breaking off in to the head this is causing exhaust leaks in the engine compartment, noise, carbon monoxide in the engine and cab areas, added heat in the engine compartment, and will not meet the emission standards of some states. Very expensive to repair and GM is not standing behind this issue in the truck with V-8 engines years 1999-2008. Almost all have this issue. Safety hazard. Please look at this. Also, causing problems with the catalytic converter and O2 sensor. Make them step up to the plate.
Exhaust manifold bolts breaking off leaving studs in the heads this is very common problem. Heating up engine compartment, releases carbon monoxide, messes up the O2 sensor and catalytic converter. Cannot pass emission standards if need be.this is in GM trucks 1999-2008. Please check this out for safety purposes. Very expensive to repair and GM is not standing behind the issue. Too many trucks this way to be co-incidental.
- West Lebanon, IN, USA
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Exhaust manifold bolts breaking off leaving studs in the heads this is causing an exhaust leak, noise, carbon monoxide, added heat in the engine compartment, and will not meet emission standards. Very expensive to repair. GM not standing behind this issue trucks 1999-2008 models all have this issue. Safety hazard. Please look at this. This is unacceptable. Also, causing problems with the catalytic converter and O2 sensor.
Exhaust manifold bolts breaking off leaving studs in the heads this is very common problem. GM not standing behind it. Heats up the engine compartment and releases carbon monoxide into the driver. Potentially a safety hazard. It also affects the O2 sensor and the catalytic converter. Some states you cannot pass emissions because of this tragedy. Please check all vehicles from 1999-2008 for this safety issue.
In June, 2011, I began noticing my antifreeze levels were dropping slightly. There were no noticeable leaks of antifreeze anywhere. I attributed it to evaporation & added coolant. Over time the truck started using more & more antifreeze. A friend of mine noticed a puff of white smoke coming from the tailpipe. At the time I didn't really think anything of it. Last week while driving home from work after finishing up a "B" trick job (11pm), I noticed a knocking sound coming from the engine. It smoothed out after a few miles of driving it. The next day it happened again ( I work 26 miles from home) again it smoothed out & I was just grateful I got home safely that night. By this time I knew there were some serious issues & decided not to drive it again. I began researching the issue on line & found others that were experiencing identical symptoms. Turns out the problem lies with the cylinder heads in the engine manufactured for GM by castech. According to other people & by gms own admission, a faulty, weak material was used to build the cylinder heads. Over time the material wears away causing porous cracks & the antifreeze seeps into the oil system polluting it, causing significant damage to the engine. (by this time most extended warranties are up). The antifreeze mixes with the oil & is emitted out of the tailpipe as exhaust. This is why no traces of antifreeze were found & the reason for the white puff of smoke. GM issued a bulletin #06-06-01-019B in June 2007 informing repair technicians on where to look for the damage. Through other peoples experiences, I am finding the engines were ruined in 90% of the cases & GM claims no responsibility. In my case I am driving a friend's vehicle waiting on word from my mechanic as to my options. These repairs are costly. Up to $5000!! this is not from normal wear & tear this is a manufacturing defect & I feel a recall should be issued.
I was driving down the road in my 2005 Chevy Silverado with the ac on and the cab of the truck started to fill up smoke. The wires to the blower motor meted and started to burn.
The contact owns a 2005 Chevrolet Silverado. The contact stated the vehicle was abnormally losing coolant every three weeks. The vehicle was taken to a local repair facility where the mechanic was unable to determine the source of the leak. The vehicle was not repaired. Neither the dealer nor the manufacturer was contacted in regards to the failure. The contact was concerned with the possibility of the vehicle overheating as he located numerous complaints online regarding the failure in his year, make and model but no recalls. The failure mileage was 80,000.
The contact owns a 2005 Chevrolet Silverado. The contact stated that while driving 30 mph he heard a loud noise coming from the engine. The vehicle was taken to a dealer who diagnosed it and advised the contact that both heads were fractured in the valves. The vehicle was repaired. The failure mileage was 67,000.
Vehicle burns oil. Goes through about a quart every 2,000 miles. Also sometimes when the vehicle is started it blows a lot of blue smoke out of the exhaust pipes.
Engine block heater: Heater cord was unwrapped from factory wrap under hood cord was plugged into standard 110 volt temperature was at or around 15 degrees F cord was left plugged in for approximately 2 to 3 hours upon return, cord had a burt smell and had melted around the plug cord was unplugged. Cord was tried at a later date, with temp around 0 degrees F cord plug started smoking as soon as plugged in plug was immediately unplugged plug needs to be replaced (has not been done as of this report).
Vehicle quits running and may restart after 10 minutes or may not. It shuts off at any speed and at red lights. When on a hill it will roll back into whatever is behind. This vehicle has been to the dealer 6 times and they can find nothing wrong. Sometimes there is power to the dash and lights, other times the dash goes dark as if there was no power at all.
- - the contact has a 2005 Chevrolet Silverado. The consumer experienced difficulty in steering and, getting into gear once it was at a complete stop. These symptoms began after the vehicle's odometer reached 5000 miles. The contact purchased the vehicle in 7/2005 and is the original owner. The contact has taken the vehicle to 3 separate dealerships in regards to these issues. After test driving the vehicle the mechanic agreed that there were failures with the transmission and steering that were noticeable while driving the vehicle. However, once they ran diagnostic tests the report showed that no errors existed.
: the contact stated the vehicle infrequently stalled while traveling 70 mph. The service dealer could not duplicate the issue. This has occurred since April 2005 and has begun to occur more frequently.
: the contact stated the vehicle stalls at any speed without warning. The vehicle was taken to the dealership several times. The level sensor, fuel injection wiring harness, the direct fuel injection driver, the fuel tank, and the fuel tank module have been replaced. The sender pump assembly was replaced twice. After the last replacement the check engine light illuminated and the dealer could not determine the cause of the problem.
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- Columbus , GA, USA