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inferno red wk 09-18-2012 07:41 PM

timing chain
so i have been diving into my 4.7 start up noise and i have a feeling that it could be the timing chain. has anyone here delt with a 4.7 timing chain at all

2005JGC 09-19-2012 12:52 AM

Re: timing chain
I have yet to replace one setup by itself to repair a concern, but when I assembled my motor i replaced my timing chains, sliders and tensioners.

The 4.7l is VERY common for piston slap, I just traded rigs with a friend over the weekend so I could take his 03 ram 1500 powered by a 4.7l into work and do some work for him. His rig has 100k less miles than my grand and it clatters like a mother till its warm... as does my grand.

I have not seen someone actually tear one of these down and measure everything to deturmine if it is a cylinder issue or a piston issue, I know the 4.0l has oval shaped bores that is what causes their piston slap, but the 4.7 i suspect may be due to the coated piston skirts and the coating wearing off.

inferno red wk 09-20-2012 10:15 PM

Re: timing chain
is there anyway you know of that that can be fixed my first motor had 90000 on it and it was fine my second is noisy as all hell i just want it fixed

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