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2013 Chevrolet Suburban
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Engine knock at start-up!

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Old October 31st, 2009, 10:37 AM
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Wink Engine knock at start-up!

The ol' burb is startin' to knock (loud) at start-up........it has gotten worse since I changed oil, now that its cooler, it knocks loud for about 5 miles or until it warms up a bit. Who woulda thunk it....shes only got 197000 miles!!
Old October 31st, 2009, 2:22 PM
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Rod or main bearings maybe.
Old October 31st, 2009, 4:54 PM
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Sounds deep and "solid" like a main. Maybe she'll hold together for about a year, I want another diesel truck. I paid $2500 for it, about 6 months ago, only expecting to get year or so out of it.
Old November 8th, 2009, 3:35 PM
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Piston slap! my 5.3 did it in the burb and silverado
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