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My X has PSD and 80,000 miles. I've done all the normal stuff I can think of oil, tranny, transfercase, rears, air filter and I'm going to bleed the brakes and get new fuild thru the hole system. Anything else you guys can think of I should do?
I see that you already checked the diffs. That is good. The owners manual says to check if submerced in water or if you suspect a leak. I never checked my diffs in my X cause neither of those applied to me. Never saw evidence of a leak or been in water. I ran my diff. out of oil. Had to replace the carriers and pinion bearings (under extended warrenty thank god $1100).
Yep, I already changed the fuel filter. I didn't think about ps fluid. I never changed that in any other truck. Is there a way to drain it? Yep I'll change the PVC valve. I don't have plugs or wires it's a diesel. Were would a cabin air filter be or how do I know if I have one? I'm assuming it would be in heat/ac ducting somewere.?
At 165K miles had the ps fluid changed to synthetic, at which time the pump was replaced due to a lot of whinning. With a new pump and synthetic fluid it's as good as new.
There is a how-to on changing the PS fluidin the Super Duty forum somehwere. It is fairly easy. I cannot remember if there is a drain on the box or you just pull a line from the cooler. Refill; then turn the wheel back and forth to "bleed" the system of air.
Looky Here. We can get them except they are going to be a little long. Maybe we can either wait for the right length to come out or we can use these and coil them up somehow.