Chevy impala knocking noise

Chevy impala knocking noise DEFAULT

Knocking noise when starting

  • , MILES
Chevrolet Impala with over thousand miles. When I start the car there is this knocking noise sometimes it knocks when I accelerate. I haven't noticed if it knocks when the engine is warm, but it does once its been sitting overnight or for just long periods of time.
have the same problem?
Saturday, June 2nd, AT PM
Have a pro check this for a better diagnosis as we can't hear it. If your oil light comes on them it may be a bottom end problem. Make sure to check your oil. Engine must be off when you do that. It's the yellow dipstick
Saturday, June 2nd, AT PM

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Knocking noise under dash

I am into a month or so now. The knocking noise under my front passenger dash is scary especially traveling with young children. I spoke on the phone and via email with a GM customer service representative who recommended that I take the car for a diagnostic at Sport Chevy in Maryland-Bad Idea!. They diagnose the car as the REAR Actuator which I am unable to understand because the problem is when I switch from vent to AC that knocking sound gets louder. They wanted $ to fix that problem but wouldn't discount it from the $ diagnostic fee I had to pay. I am so frustrated because this is a very common problem with Chevys and for them to put it onto the power train warranty but not upheld their part of repairs is just ridiculous. An obvious problem. I took my car to a local shop and they will fix it for $ And I found out that the car is leaking engine oil onto the transmission which I am told could caused a fire. GM would have plenty to worry about then. I am so disappointed and do not think I will every recommend or purchase another Chevy vehicle for that matter.
Disappointed at their customer service
Chevy Impala Owner

How to Fix a Loud Tapping Noise on Chevy Impalas

Engine Knocking Noise Problems of Chevrolet Impala

2 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 02/01/

Tl- the contact owns a Chevrolet Impala. The contact states that several warning lights illuminate on the vehicle including the abs, air bag, service traction control, and stability control. Warning lights the contact states that banging noises can be heard from the rear of the vehicle, resulting in rough driving . The contact states that he has informed the manufacture of these failures and was told to take the vehicle to a local dealership. The contact has not taken the vehicle to a dealership and the vehicle has not been repaired. The failure mileage was unknown. Jo.

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3 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 12/08/

The contact owned a Chevrolet Impala. While attempting to start the vehicle, there was a loud banging sound and smoke appeared under the hood. The space between the firewall and the engine block burst into flames. The fire department extinguished the fire. The vehicle was destroyed. The contact received notification of NHTSA campaign number: 15v (engine and engine cooling). The manufacturer was not notified of the failure. The approximate failure mileage was ,

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4 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 11/11/

Reduced engine power message, faulty back door locks, heating actuator repairs. This is a revised complaint to one I also made for just the reduced engine power message. After reading numerous complaints on here I have found that my car has several of the issues not just reduced engine power. I am most concerned with the car cutting out while driving due to the reduced engine power however we also have locks that don't open/lock with remote which has been going on for the last 3 years and since last winter heater only blows cold air until you accelerate the car. This month we had car repaired for a knocking noise coming from under glove box while car was running or shut off. Mechanic diagnosed as a new actuator and did repair. This however did not repair the blowing of cold air and also this is when the reduced engine power warning started. I am a former gmac employee and have had gm vehicles for the last 15 years. I am so disappointed that there are so many problems with this make/model and that gm has not issued a recall on these.

5 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 09/18/

Was driving when the traction control light came on and message came across saying service traction control: then check engine light started flashing rapidly at the same time. Follow by a very loud knocking noise from the engine. Then speed would not accelerate. Turned on flashers and coasted into parking lot. Vehicle had troubles restarting and would not move. Steering wheel was hard to turn. Tries to die while idling after you get it to start. Did diagnostics and code p random misfire detection power train unable to establish a link to the vehicle. Fuel system 2 is ol, lift at 0%, spark plug 5, fuel level low 8, ecu , low acceleration. Contacted local chevy dealership and was told it will cost $35 to tow it to their shop and about $85 just to run a diagnostic on their machine. If it is a lifter the cost will be over $ to get fixed. I purchased this automobile in August and have just had it a year. So now I have a car payment on a car that doesn't run. I bought it at wk motors in sedalia, mo. This is the second time this car has had issues and without a warranty the dealership wont do anything!!!.

6 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 12/10/

Tl-the contact owns a Chevrolet Impala. The contact stated that while driving at any speed, the vehicle would start to shake with a knocking noise then it stalled without warning. In addition the vehicle transmission leak flued and also failed to start. The vehicle was taken to an independent mechanic where it was diagnosed that the engine is bad and needed to be replaced. The manufacturer was not notified of the failure. The approximate failure mileage was , Aw.

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7 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 04/17/

While driving 65mph vehicle just died. Was not able to start for about 15 mins. This has happened several times nearly causing several accidents. The vehicle intermittently has reduced engine power while driving and jerks from a complete stop sometimes. Now the oil engine pressure/turn off engine light and alarm go off all the time. Replace the sensor, but to no avail. The loud knocking sound from the dash is utterly annoying. I think the fact that only the police cars got recalled is insane, no matter what the recall was. I'm sure once they took those vehicles in; all the other issues I have mentioned were also fixed. Also the rear driver side power lock is faulty and unsafe when travelling with young children. I honestly believe with so many consumers having the exact same problems, gm should issue a recall on these vehicles before several tragedies occur and we then just become statistics. Please help. There are so many of us out here with the exact same issues on these Impalas who should not have to pay for the repair of something that apparently should be recalled by gm. Thank you for your attention to this matter.

8 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 03/18/

I too have suffered from the aching noise that comes from the blend door actuator. I was also told by the dealership the first time I took it, that this was a very common problem in the Impalas. My Impala was at the dealership for a week and I was told the reason that it took so long was that there are three actuators and they had to figure out which one it was or charge me to fix all three because they couldn't make out which one it was. I paid to get the one fix and a couple of months later it started again. I took it back to the dealership and was told that maybe they fixed the wrong one and I could pay to get the other two fixed. This is a $40 part that I paid $ 00 to get fixed. I declined and found numerous youtube videos and blogs reporting models as early as with the same issue. I have encountered several people who have had or have the same issue with the "knocking noise from the dash board". I am very surprised and disheartened that this a common issue with these models and yet gm has not issued a recall. Hopefully, I can get others to speak out on this issue and file complaints.

9 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 11/25/

Engine makes a knocking noise while accelerating. I drove another one and the noise was even worse, that one had miles on it. This seems to be a common problem with them all. I am very unhappy with this car. I don't enjoy hearing all this noise from a new car. (now has miles on it) if I can't resolve this problem it will be the last gm car I ever buy. The dealer had me drive another new Impala when I mentioned the noise, it also sounded the same. Gm definitely didn't address this problem before production.

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10 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 10/01/

I've been having this problem for about 6 months now I have an chevy Impala and I hear a knocking noise when ever I push the gas,reverse, turn, or hit a small bump. I have taken it to the auto shop several times and they cant figure out the problem. Have you guys ever heard any repairs for this.

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11 Engine Knocking Noise problem of the Chevrolet Impala

Failure Date: 09/01/

While traveling on the highway the steering wheel make loud knocking noise. Due to a crack inside of the engine. Please provide additional information. Dealer is aware of the problem. Ts.

Other Common Engine And Engine Cooling related problems of Chevrolet Impala


Noise chevy impala knocking

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