Thread: 3B diaphragm replacement
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Old 10-15-07, 09:34 PM   #5 (permalink)
lynchmob
Diesel Trucker

 
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Join Date: Feb 2007
Location: Portland OR - USA
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Quote:
Originally Posted by Big Blue 84BJ60 View Post
what are the symptoms of a bad diaphragm?

black smoke under load, high EGT and/or coolant temps. My 70 also had a flat spot in the power around 2500 RPM that seemed to be gone after replacement.
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