My 2000 Grand Prix would have a low-speed knocking noise coming from the drivers side as the CV axle was failing. The loss of lubrication in the CV Boots allows the joint to make a knocking/tapping sound at a low speed. If the knocking is coming from the engine compartment, then it could be an entirely different problem.
Have vehicle scanned to determine the problem
NO. A knocking noise in the engine is a problem in the engine.
there could be a problem with the timing of engine (ie) spark knock or bad gas
Having a bad rod bearing could cause a truck to make a loud knocking noise and shake when driving at high speeds. The engine having a coolant leak or an engine timing problem could also cause the knocking noise.
it sounds like you have a major problem if the engine knocking is coming from the oil pan that could be a rod knocking. that means having to pull engine and spend a lot of money. good luck you may need it.
check heater blower motor blower wheel could be broken off The knocking comes from an Acctuator that has stripped out in the Hvac case. You Have to replace the acctuator to solve the problem.
A knocking noise in the front wheels can be a very serious problem. The knocking noise could be caused by bad ball joints. Bad ball joints can slip off the tie rods and cause the wheel assembly to collapse. This problem should be looked at as soon as possible.
There could be a problem with low old causes the pistons to rattle. There could also be a problem with the rocker arm.
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Bad bearing? Bad connecting rod?
The engines timing could be advanced to much. If it's a front wheel drive a CV joint could be going bad. Knowing a more precise area of where the sound is coming from might help to identify the problem.
If you have knocking from the engine and smoke from the exhaust then you have far more problems than the car just not starting. Sick professional help immediately.
rear shock absorbers are a common fault
I found my noise wasn't something loose. It was the rear strut was bad. Was more of a load squeak that sounded like something knocking.
Internal knocking inside the engine is almost always a sign of worn bearings. Crankshsft, or rod bearing would be my guess. The fix, if it is internal, is overhaul. Before opening it up, make sure the knocking is indeed coming from inside the engine.
Check the engine timing first. Pinging or knocking,especially under acceleration could be early detenation caused by advanced timing.
Sounds like your piston or rod. Please see a mechanic for a diagnosis and what it will cost before having the work done.
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Noise coming from engine in Oldsmobile Cutlass could be as a result of an oil leak in the rear of your engine. This makes the gears to wear off leading to severe knocking noise.
Overuse of muscles and tendons in certain areas of the body could cause a repetitive injury. This could be related to your occupation or a leisure activity that you frequently engage in.
u knocking on it
When your engine has a knocking noise, it could mean that a rod has been thrown. It could also mean you are low on oil.
if youre getting alot of white smoke from your tailpipe and if you hear a knocking noise coming from the top end of the motor could either be a rocker arm or a valve if it is knocking and the valve is bad the knocking will speed up as you accelerate valve are cheap and easy to replace anymore questions email me at email@example.com
The sound coming from a wheel could be a brake or wheel bearing problem. Check both as letting the issue continue could damage the vehicle.