That valve bypasses the hydraulics, allowing fluid to move from one side of the pump to the other, preventing a hydraulic lock when you manually move it.lefty007 said:Motor moved to boot. But won’t open so I think it’s the pressure relief valve. Thinking if you open roof then close it surely something must swap over to allow these actions. Is this not the pressure relief valve.
lefty007 said:Can anyone help me out with a upstream lambda sensor for a 20005 e85 roadster please