Diesel Forum - TheDieselStop.com - View Single Post - Fuel heater O rings
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post #11 of (permalink) Old 04-19-2016, 09:12 AM
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Join Date: Mar 2001
Location: Cody, Wy
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Originally Posted by chuckster57 View Post
O ring may have been round, being installed for 24+ yrs may have made it look square. I know I couldn't get a round one in, but once I squared one or three off, I got it to fit snug.
When this came up before I thought I saved my old leaking heater, but when I looked for it evidently I'd trashed it. And my O-rings weren't leaking, I could have measured them and maybe ID'd them.

Heavy truck and diesel mechanic (thankfully retired after 30+ yrs)
'91 F-250 SC 4X4, 5spd. ATS Turbo, 3:55 diff.
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