Re: restoration -- Buzzy's Question and Answer Forum

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Subject: Re: restoration

Author:
Harvey Lawrence

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Date Posted: 10/ 17/ 02, 8:20pm
In reply to: jack zeth 's message, "restoration" on 10/ 12/ 02, 5:00pm

I think if it were me, I would pull both head pan covers and six injectors. Then I would carefully spray a light oil
into each cylinder and let them set a day or so. DO NOT EVEN TRY TO ROLL THE ENGINE OVER UNTIL THIS OIL SOAKS IN WELL. The reason being that your engine has set so long that it may have rusted the pistons & sleeves and if you move the pistons without lubrication you could score piston sleeves. In a day or so, bump the starter so the pistons move to new locations but not far, and then oil again. Replace and reset injectors and pans an try cranking it. Of course you will need new batteries as well. Then I would try to get it to a detroit dealer or truck dealer who HAS SOME ONE WHO KNOWS HOW TO WORK ON THE 6V92. Believe me when I say not all Detroit dealers do!! From there it is a matter of checking systems to see what works. Do not try to jump start the thing and remember that when you pull the injectors you will remove the control rack. This must be reconnected before trying to start the engine, otherwise the engine will run away and destroy itself. I would also drain any fuel in the tank and use it to kill unwanted grass, and replace it with fresh fuel. If you do not feel confident in doing these things then find a good 6V92 man.
Of course follow the advice about changing oils and the filters and change the one on the transmission too.

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[> Subject: Re: restoration
Author: Michael Holman [ Edit \| View ]	Date Posted: 11/ 29/ 02, 5:26pm We bought an 85 PT40 that had little use (1900 hours). The coolant did not have the protectant in it (not talking about antifreeze). Because of this we ended up with a $11K top side rebuild due to coolant in the oil. Detroit Diesel has a test kit for the coolant. Everyone should have one of these. Michael Holman [ Post a Reply to This Message ]