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Discussion Starter #1 (Edited)
I'm new to the joys of the Cav 296 diesel filter.

Changed it last week, along with the fine filter on the engine.

We bled the system without a problem, and the engine restarted first time. Ran well for 10 mins or so, at various revs.

On leaving, I noticed a small air bubble in the Cav filter, right at the top of the glass bowl. Quite small, and hard to see in the pic.

Is this a potential problem? Will be heading back to the boat at the weekend, and am wondering what action I could take.

Will, for example, simply bleeding the CAV 296 from the bleed nut at the top of the filter casing be enough to dislodge it?

Any thoughts welcome.
 

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If you over tighten the filter you can distort the large top o-ring which will
create an air leak. Hand tighten only. Good Luck!
 

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Those CAV's also have another name from the company that invented them - Lucas.

Nuff said.

Best thing I ever did was get rid of them for a Racor. You will always be chasing air leaks through the three easily distorted orings.

Wait until that bowl cracks on you and starts draining your diesel tank into the boat.

Mark
 

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Discussion Starter #6
Those CAV's also have another name from the company that invented them - Lucas.

Nuff said.

Best thing I ever did was get rid of them for a Racor. You will always be chasing air leaks through the three easily distorted orings.

Wait until that bowl cracks on you and starts draining your diesel tank into the boat.

Mark

Yes, I'm looking at a Racor, or a spin-on conversion for the CAV (Drive Force, I think). On the To Do list...
 
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