I changed my fuel filter and now my truck will not purge the air out of system...any ideas would be appreciated.

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Tried reseating filter and a new one no luck so far..

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Sends no fuel to the top filter bowl...

 

can u hear pump run when turning key to 'on'

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Use OEM filters & new o rings. o rings fully seated? with it all buttoned up & key "on" , try & spray soapy water around filter housings, any bubbles? Bubbles indicate leaks.

 

A lot of times it's the frame mounted one that causes issues. It is really hard to tell if it's fully seated without a fuel pressure gauge.

I'd pull that cap off, put some oil on the o-ring and try re-seating it.

Like shooter said, can you hear the pump kick on?