extra fuel filters GQ 4.2D

G'day Crowe,

If your fuel problem is as bad as you say, I feel you'll get little joy from the inline filters, they are just too small to last too long. How about dropping the offending tanks out, and flushing them out, or even getting them professionally cleaned. Otherwise you could try 2 of the Lucas/CAV water trap filters, the elements are only $5 - 8 each.

A mistake some people make is to use every last drop out of their tanks. This sucks up all the gunk from the base of the tank, giving thse sorts of probs. Caterpillar recommends refuelling once the tank gets to 10% capacity, this is a good guideline for any diesel.

As an alternative to removing the tanks, you could leave a few litres in each, take for a lively drive somewhere, then drain all fuel out. Doing this 2 or 3 times may remove a lot of the gunk. Good luck, hooroo...

I do exactly as you are suggesting in the transfer line between the aux tank and the main- the small in line filters are cheap and easy to replace...
It works for me!

Yes, I had exactly the same trouble with a 75 series Toyota once. The problem nearly left me stranded along the Madigan Line, with a tank near empty that I thought was still full! The inline replacables will do the job, that is exactly what they are designed for. Just remember to change them often and especially prior to each big trip. Make it a regular serfvice item and you should not get caught again.Despite frequent removal and cleaning on the bench, my solenoid valves would still "act up" when in hot, dry desert conditions. I suspect the heat and fuel pressure has something to do with fuel slipping past the "o" ring seals within the solenoid taps.