Power Steering Pump: Disassembly
Remove knurled nut and tank cover with seal. Remove spring, damping plate and filter ring. Remove bolt and hollow screw, then remove tank with "O" rings from pump housing. Remove bolts connecting pump cover to pump body. Remove compression spring from pressure plate. Mark pressure plate and vane body and then lift off pressure plate from pins on vane body. Remove vane rotor with vanes and vane body (see Fig 1). Remove all "O" rings then remove control valve from pump body (see Fig 1). Dismantle control valve and check for worn, damaged or missing parts (see Fig 1).