Air bubbles in Davco
08-23-2018, (Subject: Air bubbles in Davco ) 
Post: #1
Air bubbles in Davco
https://youtu.be/5SK4zPcmPJk

Normal flow bubbles or super bad bubbles?

Thoughts?


User's Signature: I'm no mechanic, I'm just a guy that breaks down enough to know a bit.
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08-23-2018, (Subject: Air bubbles in Davco ) 
Post: #2
RE: Air bubbles in Davco
Not as bad as ive seen. Make sure the bowl oring isnt rolled or cut. Also the fittings into the davco are orb and they from age can harden and allow air ingestion. Might be worth looking into. Also a couple weeks ago i had one that had lots of air ingested and it was a cracked fuel pickup tube in the fuel tank. Before the repair the fuel level in the davco was very low with the engine running and after repair i couldnt tell where the level was. I assue it ran full like it should.
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 Thanks given by: Brock
08-23-2018, (Subject: Air bubbles in Davco ) 
Post: #3
RE: Air bubbles in Davco
Mine has never bubbled like that at all.


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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 Thanks given by: Brock
08-23-2018, (Subject: Air bubbles in Davco ) 
Post: #4
RE: Air bubbles in Davco
Davco's troubleshooting guide says champagne sized bubbles are okay. But that's definitely excessive. It clearly looks like a suction leak.

http://www.davco.com/diagnostics.htm
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