Fuel Filter Check Valve
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Mountain Pass
Joined: Feb 2004
Posts: 212
Likes: 11
From: Fallon, NV
Fuel Filter Check Valve
I removed the fuel heater to clean the bottom of the bowl and noticed that the spring in the bottom of the check valve assembly is bent pretty good. It's been awhile since I have removed this, is it suppose to be bent?
Bill
Bill
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Mountain Pass
Joined: Feb 2004
Posts: 212
Likes: 11
From: Fallon, NV
Nope - just wondering why the darned spring is bent. I think it may have been this way since new, I think even dumb old me would know something was wrong to end up bending that spring like it is. 
It's all back together now and running fine.
It's all back together now and running fine.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
I've seen those springs bent before the first time a fuel bowl comes apart. Like you, I think many are like that from the factory. None I have seen affected performance any. I just chalked it up to one of those things.
Posting Guru
Joined: Oct 2008
Posts: 1,080
Likes: 10
You can eliminate the Stand Pipe and Spring (which is constrictive to some extent. How much is debatable. Depends on who's article one reads).
It's the detent felt when installing a new filter (pushing downward with force).
Most I have seen have been deformed (including mine). I assume this happens over time changing the filters and the up & Down of the Stand Pipe.
It's only function is to prevent fuel from leaving the Filter Bowel in the event someone attempted to start the vehicle without a Filter as stated above.
It's the detent felt when installing a new filter (pushing downward with force).
Most I have seen have been deformed (including mine). I assume this happens over time changing the filters and the up & Down of the Stand Pipe.
It's only function is to prevent fuel from leaving the Filter Bowel in the event someone attempted to start the vehicle without a Filter as stated above.
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