So i have a 86 jaguar XJ6 SIII and i would like to know how i can remove the button that switches the gas tank that is being used from left to right. i push it down but it doesnt stay down it just pops back out. every time i press it down the fuel gauge registers that the driver side tank is 1/3 full, and when it pops out it registers the amount of gasoline i put in the passengers tank. so that works i just would like to know how i can take it out the button to see if it simply needs cleaning or maybe it needs to be replaced either or i would greatly appreciate your help cause i dont want to end up breaking something, thank you.
SOURCE: 1988 Jaguar XJ6 S-LINE 4.0L V-6
Have you tried using a mallet and tapping the fuel tank? Don't beat the **** out of it, but try a few smart blows.
SOURCE: 1996 Jaguar XJ6 - fuse box locations
check your fuses and module that control those function on the vehicle
SOURCE: the gas gage on my 1985 jaguar xj6 is working and
It sounds like a change over valve is faulty. U have 2 check over valves 1 on each side of rear wheel wells. Also a change over valve that switches 1 tank to other. I recomend replacing all 3 valves for peace of mind,because when 1 goes the others follow. Hope this is helpful!
the fuel gauge on a jaguar x type is regulated by a floating gas gauge that measures resistence; the float drags a contact across a board that has variable resistence. You can retrieve the sending uint from the gas tank by removing the carpet cover and the spare tire assembly from the trunk. Then you carefully tap the retaining ring from the tank and remove the fuel sending uint. You will see the float, the assembly and the resistor board. carefully take the unit apart, and the sliding joint where the float meets the board (which is made of copper) needs to be cleaned, I suggest Brasso, a metal shiner. Rub it well into the copper joints and let it dry to a haze, then buff it to a brilliant shine. Reassemble the sending unit and replace it into the tank. The unit will work perfectly from empty to full for about another 20 years, and the two dollar investment in the Brasso is well worth is; saves you about 60 bucks on a new sender
SOURCE: 1986 Jaguar XJ6 Won't start.
if your fuel pump and relay are new, how about your fuel filter, if your fuel pump is working but no fuel turns out, check fuel pump polarity, if ok, there will be a clogging in fuel lines, take a high pressure air and plug it to fuel outlet in fuel lines test port, allow air to go back up to fuel tank and observe if the air goes, if not, check or change fuel line, if the air goes to tank, direct your fuel relay pin 30 and 87 and check if the fuel runs to the injectors, if not, change a good fuel pump
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