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Unread 10-18-2009, 11:38 AM   #1
scottymac62
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Dropped a piece of grommet in my 304!

I was installing a new PCV and grommet in my 304 yesterday and in the process of removing the old grommet (which was as hard as a brick) a large piece fell down in the hole, and I was unable to retrieve it. I need to know if the this will cause a problem if I run the engine or did it probably just fall into the oil pan? Thanks

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Unread 10-18-2009, 12:07 PM   #2
TBrock
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pull the valve cover and get it out of there. That's easier than rebuilding the engine.
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Unread 10-18-2009, 12:34 PM   #3
JeepnBlake
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the grommet at the far back by the fire wall on the intake?

if so there is a metal u shaped piece that goes right under the intake, and that should catch it, but its fairly easy to remove the intake.
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Unread 10-18-2009, 12:45 PM   #4
Jeepwine
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Quote:
Originally Posted by scottymac62 View Post
I was installing a new PCV and grommet in my 304 yesterday and in the process of removing the old grommet (which was as hard as a brick) a large piece fell down in the hole, and I was unable to retrieve it. I need to know if the this will cause a problem if I run the engine or did it probably just fall into the oil pan? Thanks
Just leave it... It's now just setting on intake valley pan and will not hurt
a thing.
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Unread 10-18-2009, 01:01 PM   #5
73jeep
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Quote:
Originally Posted by Jeepwine View Post
Just leave it... It's now just setting on intake valley pan and will not hurt
a thing.
NO you definitely want to get it out!

Can you still see it?
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Unread 10-18-2009, 01:31 PM   #6
Unbalanced
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Agreed, pull that sucker oughtta there.

If it was that rock hard, then it could easily get stuck in the oil return. Might not ever make it to the pan.

Better safe than sorry.
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"Temporarily Detained" maybe, but ~never~ stuck...
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Unread 10-18-2009, 01:56 PM   #7
Jeepwine
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It will not do a dam thing... It's just setting there... But you could spend money and some time and make all these other guys happy
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Unread 10-18-2009, 06:59 PM   #8
trail58
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Better safe than sorry. I'd pull the valve cover, get it out, and drive with confidence. If it's not there, it may have gone as far as the oil pan. Pull the pan, get it out, and drive with confidence.
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Unread 10-18-2009, 08:11 PM   #9
TBrock
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Quote:
Originally Posted by Jeepwine View Post
It will not do a dam thing... It's just setting there... But you could spend money and some time and make all these other guys happy
Odds are, you're right. However, it's my luck that it'd wind getting ingested and ground to crap and then trash every bearing in the engine. But that's my luck; his may be better...
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Unread 10-18-2009, 08:59 PM   #10
scottymac62
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It is the PCV that is in the back of the intake manifold. I might be able to get my shop vac to get in there at suck it out. I'll give that a try tomorrow. I really don't feel comfortable by allowing it to stay in there. Thanks for all of your inputs guys.
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Unread 10-19-2009, 10:42 AM   #11
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The piece is probably stuck on the intake valley heat shield. Don't start the Jeep, pull the intake and grab it out of there. You are only out the cost of RTV to seal up the intake again. You really SHOULD replace the stock valley pan gasket too...

If you start the motor it could go anywhere...
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Unread 10-19-2009, 11:37 AM   #12
Dad03
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If its a stock intake it probably has that small heat sheild riveted on the underside of the intake. He could not get to it without removing this first even if he did pull the intake. And if it is there the grommet won't fall onto the Valley pan.

Using a straw (or something straight) see how far into the intake from the PCV port it goes in. If its a few inches you have that heat sheild in place and the grommet isn't going anywhere, unless it gets sucked up back into the carb. Try the shop vac to suck it out. If it is more than you are hitting the vally pan and you should pull the intake to go after the grommet.
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Unread 10-19-2009, 11:46 AM   #13
JeepHammer
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Don't sweat it, rubber won't hurt a thing rattling around under the valve cover in an I-6 or on the valley pan of a V-8.

If the engine is very old, there are many worse things in there than a little piece of rubber!

You wouldn't believe the stuff I've found in engines when we tore them down after many miles of use.
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