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Old 02-28-2008, 04:32 PM
TMAllison TMAllison is offline
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
Posts: 4,874
I'm not aware of any bulletin as you describe although it may exist.

I would think compression would raise your cyl temp more efficinetly than water temp. Have you done a compression test?

Using a mech's stethoscope you should be able to hear which cyl is knocking easily enough, you may even be able to feel it; or crack open the metal fuel lines at the IP one at a time to the point of leaking and observe which affects knocking the most.

Have the delivery valves been done recently?
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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