Question about 2006 Chevrolet Impala

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Knocking sound from wheel well

The driverside front wheel starts to make a loud consistent knock whenever the car being driven; especially when the wheels turn to the left. the noise goes away for a second sometimes but comes back

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Posted on Sep 29, 2018


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It sounds like you have a bad cv axle on the drivers side.

Posted on May 15, 2009


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My 2012 Ford F150 has a loud knocking at the front driver's side? Took it to Canadian Tire twice and they could not find the problem......

depending on when knocking is heard could be all sorts of dangerous things. If while turning, could be control arm bushing failing, would not change much with speed, but would with poorer road conditions. (danger wheel doesn't follow steering, crash)

If follows speed of wheels, could be a bad bearing in the wheel... (danger, one wheel stops spinning, crash) If bearing, change in pairs on the axles (so both front at same time) as if one goes, the other is as old...

Both of these "could" be missed depending on severity if on a lift, as the wheels would not be under load...

have mechanic go for a drive with you, so you can demonstrate the problem. If they won't, go to another mechanic.

Also loud knocking... could be engine... if follows RPM of engine, aka you can make the knocking while vehicle is still. (danger - engine siezes, crash)

Loud knocking could be a shock (strut) mount having broken, or shock spring...

you need to give more detail as to when sound occurs and in what circumstances. I've given you some things to try... good luck!

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Loud knocking is usually a "bad sign". If water got into the engine, and you tried to start it, you could have bent or broken rods. That's a major engine repair.

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