mackmodelb Posted August 1, 2006 Share Posted August 1, 2006 Does anyone have any ideas how to seal up the fuel filter canister? I bought and installed a new fuel filter on my END673 B-61 and the old cap seal and the new one seem to have a larger OD and I cannot seem to get them to seal. It keeps mushrooming over and blowing out after it is pressurized. After the 5th attempt, I am looking for ideas. Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/1369-end673-fuel-filter-canister-seal-leaking/ Share on other sites More sharing options...
rick harper Posted August 2, 2006 Share Posted August 2, 2006 i have a end673 and i used a fram filter and it comes with a new seal. i have not had any leaking problems with this setup. fram part #C1164PL, the original mack part # was 43SB30. maybe your top lid is warped just alittle bit. Quote Link to comment https://www.bigmacktrucks.com/topic/1369-end673-fuel-filter-canister-seal-leaking/#findComment-6879 Share on other sites More sharing options...
mackmodelb Posted August 3, 2006 Author Share Posted August 3, 2006 Thanks for the info. I will check to see if my cover is warped. Quote Link to comment https://www.bigmacktrucks.com/topic/1369-end673-fuel-filter-canister-seal-leaking/#findComment-6907 Share on other sites More sharing options...
Freightrain Posted August 4, 2006 Share Posted August 4, 2006 Are you over-tightening it? Just snug would be okay. I always insert filter, then lay gasket on top of housing, then install lid while pushing down on lid to hold gasket in place as I tighten the nut. A little dash of fuel on gasket to let it slip around some without bunching up.Just a thought? Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/1369-end673-fuel-filter-canister-seal-leaking/#findComment-6946 Share on other sites More sharing options...
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