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Hi everyone,
I have a 1994 GMC Suburban C2500, 2WD, equipped with a hydroboost brake system.(the weather in my country is extremely hot, I don’t know if this information will help:))
My problem is that the brakes are dragging all the time. I have already replaced the master cylinder, rebuilt...
Guys, I'm trying to prime my steering/hydroboost system by spinning the pump with a drill. The pump is not pumping at all and there is what looks like a solenoid valve on the output from the pump. What does that do, and does it need to be activated for the system to pump?
Thanks!