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Huge oil leak while truck was sitting? (Power Steering? Brake?)
Hoping someone can help me. 2006 6.0L.
Long story short, 3 months ago I parked the truck and it has sat for 3 months. When I parked it, everything was fine. After about 1.5 months, I noticed a big puddle of something one day by the front right drivers side, under the bumper. It was oil. But I couldn't figure out why all of a sudden 1.5 months into the storage it would suddenly start leaking oil. It had not been started or turned on at all, so I figured someone had spilled something there. Didn't bother to even look under the hood (probably was afraid of what I'd see).
Flash forward to today... 3 months later, and I decided to deal with it. Popped the hood and I saw a puddle of oil sitting on top of the "Steering Fluid" cap on the right hand front side. The whole cap had oil on it, and oil was leaking down the sides of it and had basically soaked through the floor and onto the bumper/ground. I took the cap off, and it was filled all the way to the top. This is very odd because I haven't overfilled it at all. The steering fluid hasn't been touched in a long time.
Got in the truck and took it for a spin. Steering works flawless, no pump whine, nothing. When the steering wheel is turned, no issues. But then I hit the brakes and it didn't feel right. You could tell the brakes needed to be pumped. After a few pumps they were fine. Then I'd stop for a minute, step on them again, and the same thing... like resistance or a jolt. So it had me wondering if maybe it's an issue with the brakes? The only thing I can think of is that when I parked the truck, I put the emergency brake on and may have pushed down pretty hard on it... to make sure my truck was secure. Maybe after 1.5 months the brake line somewhere spontaneously ruptured? But why would the steering fluid cap be full of fluid and leaking? And why would it appear overfilled?
Do the brake lines share fluid with the steering fluid on the truck?
Could air be getting into the steering fluid or something through a broken brake line?
Any hypotheses would be welcome. Thanks.