Loud Engine Noise Problems of Chevrolet Silverado

Upon driving the engine began making extreme noise and major loss of power. Multiple engine lights came on and backfire through exhaust. Contacted chevy dealer and dropped off for diagnosis. Problem was active fuel management lifter failure. (please take note that this issue is all over the internet and social media) this problem is happening to a high volume of Silverado truck manufactured after 2007 with afm. Chevrolet has bulletins on the issue but will not recall to replace all afm lifters. They only replace the lifters that fail. This causes issues later when additional lifters fail. If all aafm lifters (8) would be replaced at the same time consumers wouldn't be complaining via social media and internet. Chevrolet acknowledges the problem but refuses to recall. Reason for refusal is it seems to happen around 50,000 miles and above and after the repair they hope that the issue happens after the 100,000 mile warranty when repairs are paid for by consumers costing thousands of dollars. I personally have read of this happening and had it happen just recently. Gm refuses to back their product although they recognize the problem. Bulletins have been issued but I was told that the NHTSA makes the call after enough complaints are filed by consumers. People just don't know this and I am requesting you urgently look into this issue. Catastrophic engine failure can result costing consumers a lot of money. We are just the little guy up against a large automobile manufacturer. We need your assistance in forcing gm to issue a recall on these vehicles with the active fuel management. Our hands are tied because of this. We request that if there is a afm lifter failure that all lifters be replaced instead of the ones that failed. This is only logical especially when gm knows there is a problem. Please help us the consumer.

See all problems of the 2007 Chevrolet Silverado 🔎.

Consumer started vehicle early in the morning and heard a loud noise. After five minutes, vehicle warmed up, and there was no noise. Dealer stated that this type of noise was common to any vehicle being started early in the morning.

See all problems of the 2002 Chevrolet Silverado 🔎.

First time:main computer failed. Second time:stalling, running rough, boggs down and makes loud noise,mis-fire in #5 & #6 cilander. A/c not working. Not fixed. Third time: everything same as second time and engine light now coming on. Not fixed. Fourth time:all lights on dash come on and all messages appearing on message board. Not fixed. After computer changed truck preformed unsatisfactory and is still unsatisfactory. All having to do with computer. Told it is a random problem that is hard to detect and may not ever be fixed.

See all problems of the 2003 Chevrolet Silverado 🔎.

Engine knock. . Hot & cold. Sounds like lifter noise, gm says it's "normal" . Over 30 years as a mechanic, I know there's no such thing as a normal knock. After researching this issue, I find there are about 800,000 vehicle involved. Gm needs to fix these vehicles. Gm service bulletins refer to this as piston slap. Any slap, scuff, or abnormal noise in a cylinder is detrimental to the metals.

While driving about any mph could hear a loud noise coming from engine. Lately, had developed strong vibration. Consumer had contacted dealer, and they said that problem was due to not enough warm up in morning. Please provide more information.

See all problems of the 2001 Chevrolet Silverado 🔎.

While driving at any mph could hear a loud noise coming from engine. Had contacted dealer, and they could not find what wa scausing it. Please provide more information.

When starting vehicle, whether it's cold or hot, vehicle will make a loud noise that comes from engine. Noise gets worse when getting on the highway. Door windows were loose. Dealer states the engine noise is normal.

There is a loud noise coming from enigne. Has taken vehicle to dealer, but dealer cannot find cause of problem.

There's a loud knocking and roaring noise coming from motor. Took to dealer, and they said there a mis between motor and transmission.

See all problems of the 2000 Chevrolet Silverado 🔎.

While driving vehicle between 40-45mph, it would make a roaring noise. Sometimes vehicle would vibrate or shake. Most noticeable after 40mph. Been in contact with dealership & informed no solution to problem. Engineers are working on problem. Also informed consumer that sound was because engine was near transmission.