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04-23-2017
As the title says the timing chain is scraping on the front cover. We've changed the timing chain and gear and put on a ZZP Double thick gasket and it still scrapes. When we tore it apart to change the timing chain gasket because it was leaking it didn't scrape so I have no idea why it is now scraping, the noise isn't coming from anything belt related either, What could it be scraping on? I'm clueless.
Last edited by ttedesco; 04-23-2017 at 03:01 PM.
04-25-2017
Are you sure you got the timing chain/gear set pushed all the way onto the camshaft and crankshaft? That's the only thing I can think of.
04-25-2017
The stock style chain is hitting the cover?
04-25-2017
Right. I'm not sure that's where the noise is.Originally Posted by GTPpower
Have a stethoscope or long screwdriver?
04-25-2017
Its pushed back all the way.
04-25-2017
Yes, stock style chain
04-25-2017
Where is it hitting at? On the crank area or cam?
04-26-2017
stupid question, but what was the condition of the dampner?
04-26-2017
It is scraping on the oil pump cover.
04-26-2017
Brand new
04-27-2017
A stock chain should never hit there. Does your crank have a lot of endplay?
04-27-2017
No it doesn't move at all.
04-27-2017
When did you start having the problem?
04-27-2017
I had to change the timing chain cover gasket because it was leaking coolant from behind the cover.
04-28-2017
Did you replace the chain at the same time? Or was that later?
04-28-2017
At first I didn't change the timing chain but after it made the scraping noise I put a new chain on and after putting a new chain on it is still making the scraping sound.
04-29-2017
I don't really know what else to tell you. There is a ton of room in there so it should never even be close to touching. Something has to be installed incorrectly.
04-29-2017
Are you positive it's the chain and not one of the tabs on the back of the balancer that got bent and is hitting the crank sensor?
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