who fixed the sensor? if garage then they should. depends on where leak is coming from as to weather you need to take tank off. but i would be inclined to get it fixed by specilist due to what could happen if not done right.
hope it helps
August 2010
I can answer this question...
would i remove the fuel tank on a renault espace 1998 to fix the speed sens?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.