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205 Posts
Discussion Starter #1
Has anyone had any problems with these? I found some coolant in the air gap of my manifold. I took the housing off and inspected it and the o-ring looks fine.
I'm stumped anyone have any ideas?

Thanks
 

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2,313 Posts
The only issue I've seen is when the mounting surface of the manifold was irregular (large nicks or gouges that didn't allow the O-ring to do its job), or if someone tried to augment the seal with a bead of silicone. I hope it's nothing serious.
 

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205 Posts
Discussion Starter #3
All the surfaces look good and the screws aren't too long (that was a thought I had).
 

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Discussion Starter #5
I just dis-assembled the hose barb from the housing and the o-ring in there was split. 99% sure thats where the leak was coming from. Thanks for all the suggestions.
 
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