Wagoneer L6-258 4.2L VIN C 2-bbl (1982)
Fig. 4 Thrust plate & rotor installed on driveshaft
1. Carefully mount pump in vise with soft jaws and remove reservoir cap. When clamping pump in vise, do not exert excessive force on front hub
as this may distort drive shaft bushing in housing.
2. Remove rear pump mounting stud and O-ring seal, pressure union and O-ring seal.
3. Remove reservoir, and second pressure union O-ring seal.
4. Using a small punch, depress end plate retaining ring enough to allow removal from groove. Use the 1/8 inch diameter hole in housing. Then
remove retaining ring with screwdriver.
5. Remove end plate which is spring loaded and usually sits above housing level. If end plate sticks, a slight rocking action should free it. If rocking
action fails to free plate, use a magnet.
6. Remove two pressure springs from pump housing.
7. Remove flow control valve and spring by inverting housing. Do not disassemble flow control valve as it is serviced as a unit and pre-set at the
factory.
8. Remove drive shaft key from slot in shaft. Then with end of shaft pointed downward, press down until shaft is free.
9. Turn assembly over and remove drive shaft and rotary group.
10. Remove rotor retaining ring from groove in drive shaft. Remove rotor and thrust plate from shaft.
11. Remove and discard O-ring seals from pump housing. Remove driveshaft oil seal only if inspection shows necessity for replacement.
