2007 Cadillac CTS Knocking sound!!!!

2007 CADILLAC CTS
183,000 MILES • 2.6L • V6 • 2WD • AUTOMATIC
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CTSDRIVER1996
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Hey Cadillac I just got off a guy has a loud knock inside the engine I believe it's a connecting rod please help
Jul 7, 2015 at 5:47 AM
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HMAC300
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if you can try taking off plug wire one at atime if knocking stops you found the cylinder that is bad. it's normally a loud lower end knock.
Jul 7, 2015 at 6:38 AM