I don't know. It was jacked up just enough to get the wheels off. Not much higher than if on the ground.
It's a mystery.
I was thinking maybe after killing the engine, the Hydrovac was still holding pressure, since I had air in the system??


57 GMC LCF 370
55 John Deere 40-W
59 John Deere 430-W
2000 GMC 4x4
56 John Deere 420-W
Pix on Photobucket