Where is schrader valve on fuel rail located?
how do you relieve fuel system pressure to change fuel filter?
Monday, March 18th, 2013 AT 6:52 PM
Not all engines use a test valve. Regardless, mechanics don't have time and your dollars to waste by fiddling with relieving the pressure in the system. Just loosen the nuts on the filter and let the fuel dribble out there instead of on top of the engine. There won't be that much spray out.