primary filter is on the inside of fram rail below driver floor board and has a 36mm nut on the cap the secondary filter is to the driver side of oilfilter top center of engine. change bottom filter then start truck and let run a minute and shut it off before you change the top filter it makes it easer to get the truck restarted after letting air in system. keep dirt out of system they do not like it at all. always change both filters at same time and per book .
how do you change the oil filter on 2006 f250 diesel?
According to the 2008 Ford F-250 diesel supplement : With engine oil filter change : ( 15.0 U.S. quarts )
According to the 2008 Ford F-250 diesel supplement : 15 quarts ( 14.2 liters ) with engine oil filter change on the 6.4 L diesel engine
top center of engine
You take it to a Ford service department.
go to a mechanic
Every other oil change, drain water valve once a month.
15 qts including the filter change.
On the filter there is a small gauge. Press the big yellow button.
No spark plugs on a diesel
in the middle of engine on top, open the cover then loosen filter top about a 5 inch round black piece with ridges on it take out old filter, drop in new one make sure gasket is on right directions in box,replace lid, tighten top down,then start and check for fuel leaks
The 2003 Ford f250 did not come with an air cabin filter. There was a dealer install option but very few were ever put in.