Power Steering Pump: Reassembly

1982 Mercury Capri L, 3.3L Eng VIN BSECTION Reassembly
  1. If rotating group was disassembled, place rotor on shaft with triangular detent facing upward. SeeΒ Fig 1. Install retaining ring at end of shaft. Place insert cam over rotor with recessed notch on cam facing up.
  2. With rotor extended approximately half way out of cam, insert springs and slippers (groove facing outward) into rotor cavities beneath recessed cam flats. Index cam either one space right or left at a time about rotor and insert remaining springs and slippers until all 10 cavities are filled. Use care when turning rotor that previously installed springs and slippers do not fall out.
  3. Install rotor shaft seal with driver tool (T78P-3733-A3). Using plastic hammer, drive seal into bore until it bottoms. Install seal retainer in same manner. With pulley side of housing facing down, insert 2 dowel pins and Belleville spring (dished surface upward) into housing.
    Fig 1: Assembling Cam and Rotating Assembly
    G09318856Courtesy of FORD MOTOR CO.
  4. Lubricate inner and outer "O" rings with power steering fluid and install on lower pressure plate. Insert lower pressure plate over dowels and into housing with seals facing front of pump. Use driver tool (T78P-3733-A3) and "C" clamp to press lower plate into housing until it is felt to bottom.
  5. Install rotating assembly over dowel pins and into housing as shown in Fig 1. Place upper pressure plate over dowel pins with recess directly over recessed notch on cam insert as shown in Fig 2.
    NOTE: Stepped holes must be used for dowel pins and the recessed notch in cam insert must face toward the reservoir approximately 180Β° opposite the square mounting lug on housing.
  6. Lubricate and place new "O" ring on valve cover. If plastic baffle is loose in valve cover, apply petroleum jelly to baffle and install into position on valve cover. Insert valve cover over dowel pins with outlet fitting hole directly in line with square mounting lug on housing. Place assembly in "C" clamp and compress valve cover into pump housing. Install retaining ring with ends near access hole in housing.
  7. Lubricate and install "O" ring on pump housing and install reservoir. Install flow control valve and spring into valve cover. Use new "O" ring seals on outlet fitting and install into valve cover to specified torque.
    NOTE: If flow control valve is cocked, it may become stuck in valve cover. Do not force valve forward since chips may shear off and carry into valve bore.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.