Quote:
Originally posted by Deltoid
I didn't know what to believe about the piston slap noise until I heard my friends 02 5.3. I have a 02 Silverado 5.3 and I get a little ticking noise when it's cold, nothing to complain about, but wow after hearing his sound like a Diesel for the first minute or so I understand the complaints now. His dealer told him it's carbon buildup on the pistons. It started making the noise at 12K miles.
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Like I said, I've heard it on NEW engines. There's no "Carbon Build-up" at 13 miles on the clock. It's a design tolerance thing. "hole too big for plug" luckily for me I don't have to blush often ("does this one suffer from piston slap?"), more geeks are concerned with Dex-Cool!