Knock in engine identified
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Joined: Aug 2004
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Knock in engine identified
I hope this will help someone else. - I had an engine knock which I could only hear at idle. Sometimes it would go away and then it would come back. It gradually got louder and louder. It finally got very loud. I had already been checking on a rebuilt engine. I decided to take it to my local mechanic before I jumped into replacing the engine. He said that he did not think it was a rod or crank knock, that it sounded more like it was gears not meshing in the distributor or the timing chain/gears. It turned out that it had carbon build-up in a cylinder or two and the piston(s) were striking the carbon. He injected some kind of cleaner, (probably like Seafoam) into the intake, blew it out good, and
the knock was gone. He is now my favorite mechanic. A rebuilt engine would have cost me 3K.
the knock was gone. He is now my favorite mechanic. A rebuilt engine would have cost me 3K.
Laughing Gas
Joined: Jan 2005
Posts: 834
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From: South East Florida
you'd have to be some serious kind of poor to not be able to afford a 4 dollar can of seafoam or deep creep(which is the seafoam product that you put inside the vacuum lines) and risk achieving hydrolock over time or at the very least, corrosion
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