Can you change the fuel filter without priming?
Plus, once you start the vehicle, the lift pump is already sending fuel from the tank into the filter housing. For whatever it’s worth, I checked with Mike Hevster (TDI mechanic in NJ) who also said that its fine to change filters without priming under most circumstances.
Is the HPFP still running after a fuel filter change?
I don’t believe the HPFP would have run dry as there’s still fuel in the lines leading into the HPFP. There’s also fuel in the line running from the main fuel tank into the filter housing. Plus, once you start the vehicle, the lift pump is already sending fuel from the tank into the filter housing.
How long does it take to start a car after a fuel filter change?
BTW, after replacing my fuel filter, it didn’t take 30 seconds to start the car. It started after 1 or 2 seconds as it always does. Not sure why some people out there have reported such; it was not applicable in my instance. What a lot of mechanics do is to fill the new filter with a good injector cleaner.
Why is my new fuel filter not working?
New filter wouldn’t start old filter ran fine, the car wouldn’t go until I sucked the diesel through the return side of the filter. First time I was stuck and used my gob second time I used one of the fancy hand primer things tasted way better.
Plus, once you start the vehicle, the lift pump is already sending fuel from the tank into the filter housing. For whatever it’s worth, I checked with Mike Hevster (TDI mechanic in NJ) who also said that its fine to change filters without priming under most circumstances.
I don’t believe the HPFP would have run dry as there’s still fuel in the lines leading into the HPFP. There’s also fuel in the line running from the main fuel tank into the filter housing. Plus, once you start the vehicle, the lift pump is already sending fuel from the tank into the filter housing.
BTW, after replacing my fuel filter, it didn’t take 30 seconds to start the car. It started after 1 or 2 seconds as it always does. Not sure why some people out there have reported such; it was not applicable in my instance. What a lot of mechanics do is to fill the new filter with a good injector cleaner.
How to bleed the fuel system and filter?
Unfortunately it is not feasible to fill the new element with fuel so the air will have to be evacuated and replaced with fuel as part of the fuel bleeding process . This will be done with the hand primer pump. PURGING THE AIR WITH THE HAND PRIMER PUMP : Don’t be stingy when venting air and/or a mixture of air and fuel. The fuel system must be