The pea in the whistle
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The pea in the whistle
On the back of the cylinder head, near the top, center, is a hole with a ball bearing in it, and I'm thinking it's a spring-loaded ball valve for a scheme for recirculating exhaust gases through the injector block to pre-warm the fuel.
The thing is, the rebuilt cylinder head that I just received has a metal paint, stain, or coating, and that pea in that whistle is now painted. I suspect that the paint has stuck it in one position. Should I give in to the temptation to give it a little tap to loosen it?
Also, I would have thought they would have assembled it with some kind of lubricant and it arrived very dry.
The thing is, the rebuilt cylinder head that I just received has a metal paint, stain, or coating, and that pea in that whistle is now painted. I suspect that the paint has stuck it in one position. Should I give in to the temptation to give it a little tap to loosen it?
Also, I would have thought they would have assembled it with some kind of lubricant and it arrived very dry.
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Re: The pea in the whistle
Post a picture of whatever you are talking about.
Don't touch it yet, whatever it is.
I'm thinking of a steel ball, staked in place to plug a passage for a damn good reason. The oil pressure feed for either the cam journals or the VTEC oil passage drillings.
Don't touch it yet, whatever it is.
I'm thinking of a steel ball, staked in place to plug a passage for a damn good reason. The oil pressure feed for either the cam journals or the VTEC oil passage drillings.
Last edited by ezone; Jul 9, 2014 at 11:31 PM.
If you think a good mechanic is expensive, try hiring a bad one
Joined: Dec 2011
Posts: 32,017
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From: Midwest. Aiming about mid-chest
Rep Power: 517 Re: The pea in the whistle
I'm thinking it's a spring-loaded ball valve for a scheme for recirculating exhaust gases through the injector block to pre-warm the fuel.
It is not spring loaded. It's staked in place and not intended for anyone to tamper with it.
Should I give in to the temptation to give it a little tap to loosen it?
Don't touch it.
The steel ball is used as a plug for a drilled passage in the head (usually for an oil feed).
The old head should have had the same thing on it.
I can't see what's in there myself, I'm assuming it's a steel ball as you described.
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