everytime i turn my ac that doesnt work on i here this kncking sound as i accelerate it gets faster and when i idle its just a knock knock , any clues

 

Who's there?

 

dude.. thats your a/c compessor. its gone bad. thats why your a/c is not workin. i had the same problem. just buy a new one. and do a a/c flush. that would do it.

 

hey mine knocks too, but my a/c works fine. when i rev the rpm just a little bit to like 4 thousand then the knocking comes up and it keeps doing that it knocks all the time is there somethin wrong???

 

and again.. its your a/c compressor. it may still be functioning.. and blowing cold air, but not for long time.

after a while, your a/c compressor will lock. and you are gonna have to replace it one way or another. just lettin you know.

 

I have a complete a/c system i want to sell....any takers?