Piston Slap My A$$!!!

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09-27-2004 | 12:55 PM

#21

slamed 04 silverado

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From: Sacramento California

Quote:

Originally Posted by Tiburon

I think it was fixed for 04. I have yet to year an 04 make any kind of engine noise.

Mine is an 04 and it had the noise, and now its blown up. So I dont think its completely fixed for 04.....LOL

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09-27-2004 | 01:02 PM

#22

slamed 04 silverado

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From: Sacramento California

Quote:

Originally Posted by jessdog

chris! thats off the hook dude.. i just read ur post after posting some stuff on parishes site. anyway, ur motor blew hauh? hmmm i dont think that mobil 1 i was talkin about is gonna quiet that sound then.. lol.. maybe u didnt have piston slap man... wow.. anyway, let me know what ur gonna do? thats crazy, not even 10 k on an 04... u sure u werent racing the hell outta that thing?

Toataly sure bro. I dont race around. besides my truck isnt a hot rod. Besides I was just cruseing through my neighborhood at like 15-20 mph and it went.

Chris

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09-27-2004 | 03:07 PM

#23

Flyer

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From: Armpit of East TX

The reason they run warranty work off is JP Power keeps count of all the stuff that happened. They will report that if someone asks too. To much warranty stuff raises an eyebrow or 2.

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09-27-2004 | 04:05 PM

#24

Visionxorb

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From: Thousand Oaks, Ca

not to hijack but is the 8.1 noisy? i ask because well mine is lol, when u start it in the morning it sounds like deisel idling ( maybe thats due to the factory running 5w30)

PS mines an 04.

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09-27-2004 | 05:34 PM

#25

shandy294

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From: Cibolo Tx

Quote:

Originally Posted by ridered

Wht is this piston slap noise that i keep hearing about. Whe does the noise occur? Kinda makes me curious. i have 950 miles on the truck now, but I will listen for something before I start modding.

Tiburon (#9 reply) put two links about it. I was talking to a GM guy at the Motorplex yesterday about different things...one was the slap noise and I mentioned I had a 04 4.8. He said it was mostly a 5.3 problem and that the newer pistons have a teflon coating to help with it. The pistons have short skirts and sometimes contact the cyl. walls on the affected engines.

What Slamed has must've been a defective engine.

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09-27-2004 | 08:48 PM

#26

Black02Z71

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From: Ontario, Canada

It sounds to me like a rod bearing problem, bad machining, bad parts, bearing clearance, debris in the motor. It diffenently didn't have anything to do with piston slap.

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09-27-2004 | 09:04 PM

#27

Flyer

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From: Armpit of East TX

I don't think this issue was a piston slap problem. It sounds like something a whole lot more to do with a lower engine problem.

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09-27-2004 | 11:19 PM

#28

bigguy75inches

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From: Lone Star, Tx

I thinks its 1 of 2 possible problems, either is oil pump gave out or there was some debri in the oil galleries, or this is bullshit. I got picture proof of my engine with 2 thrown rods, the rods fell into peices rather than shove out of the block. Id like to see a pic of 3 rods hangin out of the motor. is that even possible with the crank being on on different upstrokes and down strokes per cylinder? which cylinders blew?
no offence to anyone, im just in a bad mood today cuz im sick.

ps. if its true, and you could get a pic, id be proud to say i blew that motor. its something to tell the grandchildren bout someday.

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