GM Service Manual Online
For 1990-2009 cars only

Power Steering Gear for Chevrolet Chevy P52 RV/Van Chassis 1997

Both the P72 and the P92 Chassis are equipped with Saginaw 710 Series integral power steering gears. This gear has a constant 17.5 to 1 ratio and an open-center, rotary-type, four-way control valve that directs oil to either side of the rack piston. The rack converts hydraulic pressure into mechanical output.