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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.

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10y ago

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Knocking in the bottom of the engine?

knocking noise


There is a knocking noise in the motor of my 1992 town and country. Could this be the transmission going?

NO. A knocking noise in the engine is a problem in the engine.


What does it mean when there is a knocking noise from the engine when you let off the gas?

A bad connecting rod bearing can do this


You hear a knocking noise that follows engine idle and acceleration what could it mean rocker arm?

bums


What does it mean when the transmission light comes on and the engine makes a knocking noise?

Your transmission fluid might be low.


What does it mean when you hear a knocking noise underneath and in the back of your engine you think its piston or?

It can mean that the engine has a bad main bearing. Can also mean one of the pistons are bad.


Can a bad harmonic balancer make a knocking noise?

A bad harmonic balancer can cause a knocking noise. The harmonic balancer doesn't actually produce the noise, but it can cause the noise in the engine.


How do you fix a knocking noise in a 5.3 Chevy engine?

sell it


Knocking noise when accelerating?

The knocking noise is commonly called spark knock. The knock can be called by the engine timing not being set correctly, or using gas that has too low of an octane for the engine.


Knocking noise while accelerating?

A knocking noise can occur from worn engine mounts. When the rubber insert on the engine mounts are old and brittle the chassis is not protected from the weight of the engine. Creating loud vibrations that get louder as the vehicle goes faster.


What would cause a loud knocking noise coming from the engine at 70 mph and make the truck shake very badly?

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.


What causes a knocking noise under the hood of your car?

it could be your valves or your engine