2006 Chevrolet Lumina 3.6 "something knocking noise engine" Questions

...something stalling like (crrr crack..)). After that the car work but one time did not and I have to crank it again without any noise or problem. When the car is warm , there is no noise and the car ...

...but try to pin point the noise , is it coming from the top or bottom of the motor , the knocking noise could be a bearing in the lower motor or may be something else making it sound like a

...state vehicle however if the engine knocks the knock sensor will back off the timing thinking its detination not an actual knock if its knocking loudly stop driving it, something is going to let ...

...Have a knocking noise coming from out of the engine. Sometimes keeps the engine from starting. The noise is real loud sounds like something hitting metal inside. you have a rod going out on the ...

...AND FULL POWER Is it a ticking or knocking noise? or does it sound like something is leaking could be a bad manifold gasket which would be better than a ticking or knocking. loose valve train!!!!

...knocking noise from the engine. Told by seller that all such cars have this. Is there something to this noise or is he correct. Drives fine. hi, you will need to be very carefull if you buy this car, ...

...knocking, or it can be something in the accessory drive belt or driven items making the noise. The fact that the noise comes with the engine running tells you that the noise comes from something ...

...then it is not as serious and is usually associated with the valve train. Low knocking is the crank and pistons. Ticking sounds are more common and can be something as simple as wear on lifters

something else? Hey Kimberly... First... is the noise a high pitched ticking or a lower pitched knocking or clunking?? ...this is IMPORTANT>> Reply to me on here..please... ticking usually valve

knocking coming from top of engine bay. not bottom end sounds more like a pully tensioner or something..... apart from that engine runs, ticks over and sounds a1. any ideas? take rubber hose and place