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What is causing a very loud knocking noise in my engine area?

I have a 1989 Chevrolet C3500 one ton pickup truck, it has 66,000 orginal miles on it.

A couple weeks ago it started making a very loud knocking noise on my way home from work. The noise seems to be coming from the engine area. It has a 454 7.4 liter engine. The oil level is fine and just recently did an oil change using valvoline 5W30 motor oil.

Any suggestions of what might be going on ?

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Maybe an idea to post video/audio clip of your truck noise somewhere like Youtube or Imgur. Lots of things in could be including broken engine mount.


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1 件の回答

Take it to an AutoZone and get a free computer read out, then you’ll know what to do.

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