OakleyTankLines Posted July 14, 2014 Share Posted July 14, 2014 Guys I have the 78 mack with a endt 676 and it has a oil tank on the back of the motor that contains a oil filter for the air compressor. Does anyone know what oil filter this takes?The truck parts stores can't help with out a number and this does not have one???? Quote Link to comment Share on other sites More sharing options...
2stacksuperdog Posted July 14, 2014 Share Posted July 14, 2014 Oiltank/filter for air compressor? sounds like power steering maybe 2 Quote Matt Link to comment Share on other sites More sharing options...
OakleyTankLines Posted July 14, 2014 Author Share Posted July 14, 2014 The tank runs right into the air compressor Quote Link to comment Share on other sites More sharing options...
gearhead204 Posted July 14, 2014 Share Posted July 14, 2014 photos please, this one might take a little research !!!!! Quote Link to comment Share on other sites More sharing options...
Brian Blaylock Posted July 14, 2014 Share Posted July 14, 2014 Sounds to me like your power steering pump is mounted on or near the air compressor what side of the truck is the tank on 1 Quote Link to comment Share on other sites More sharing options...
OakleyTankLines Posted July 14, 2014 Author Share Posted July 14, 2014 Ok it does go to a pump on the back. This goes to the gearbox. But now I need to know what filter it takes? Quote Link to comment Share on other sites More sharing options...
2stacksuperdog Posted July 14, 2014 Share Posted July 14, 2014 Yeah the power steering pump is mounted on the back of the air compressor. I believe there are 2 different size filters and you'd have to find out which of the 2 it is. Quote Matt Link to comment Share on other sites More sharing options...
farmer52 Posted July 14, 2014 Share Posted July 14, 2014 My MH takes a Fleetguard LF634 filter. Not sure if Mack used the same PS reservoir on the F. If you go to a Mack dealer with your serial number, they may be able to look up the filter required. Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment Share on other sites More sharing options...
Mike Posted July 15, 2014 Share Posted July 15, 2014 I use NAPA. com lookup Commercial Trucks. It shows several filter sizes. Note these are WIX Filters. The ones I'm listing here for the 1978 Mack with ENDT676 oil filters are as follows:1791 XD7791 Extra Eff.1791 XE Hi Eff.If you look into each categories you will see sizes of each filter and probably find what you may need.mike 1 Quote Link to comment Share on other sites More sharing options...
Brian Blaylock Posted July 15, 2014 Share Posted July 15, 2014 The easiest way I have found is take the old one out and take to NAPA and let them match it Quote Link to comment Share on other sites More sharing options...
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