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Home >> GMC >> 1982 >> Magnavan Automatic Trans, Trans Mfr CD 475/M40 >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Columns >> Overhaul >> "G" & "P" Models With Tilt Wheel >> Disassembly

"G" & "P" Models With Tilt Wheel: Disassembly

  1. Place column in vise using suitable holding fixture (J-22573). Remove directional signal switch. Remove lower steering shaft and pot joint assembly. Remove lower bearing and adapter assembly from column, then press bearing out from adapter. If column shift model, remove shift lever pivot pin and shift lever.
  2. Install tilt release lever and place column in full up position. Remove tilt lever spring and retainer using a screwdriver that just fits into slot opening. Insert screwdriver into slot, push in approximately 3/16". then rotate clockwise approximately Vs turn until retainer ears align with grooves in housing and remove retainer and spring.
    Fig 1: Removing Bearing Housing Pivot Pins
    G09318902Courtesy of GENERAL MOTORS COMPANY
  3. Remove steering shaft bearing lock nut using suitable socket (J-22599). Remove upper bearing race seat and race. Remove two bearing housing pivot pins using tool (J-21854). See Fig 1.
  4. Pull up on tilt release lever (to disengage lock shoes) and remove bearing housing. If it is necessary to disassemble bearing housing, proceed as follows:
  5. Press upper and lower bearings out of housing. Using puller (J-5822) and slide hammer, pull bearing races from housing. Remove tilt release lever. Drive out shoe release lever pivot pin using a punch. Remove lever spring and remove wedge. Drive out lock shoe retaining pin with a punch and remove shoes and shoe springs. See Fig 2.
  6. Fig 2: Using a Puller to Remove Bearing Race
    G09318903Courtesy of GENERAL MOTORS COMPANY
  7. Remove steering shaft assembly through upper end of column. If it is necessary to disassemble shaft assembly, proceed as follows: Turn upper shaft 90° to lower shaft and slide upper shaft and centering spheres from lower shaft. Rotate centering spheres 90° and remove centering spheres and preload spring from upper shaft.
  8. Remove 4 bearing housing support screws and remove support. If shift tube index plate (column shift only) must be removed, remove 2 retaining screws and remove plate. Remove shift tube retaining ring with screwdriver. Remove thrust washer. Remove neutral start switch or back-up lamp switch retaining screws and remove switch. See Fig 3.
    Fig 3: Removing Shift Tube Retaining Ring
    G09318904Courtesy of GENERAL MOTORS COMPANY
  9. Rework a shift tube removing tool (J-22551) by removing 1/2" from pilot end of tool. Remove shift tube assembly using reworked tool as follows:
  10. Insert hooked end of tool into notch in shift tube just below shift lever housing key. Pilot sleeve over threaded end of tool and into upper end of shift tube. Force shift tube out of housing by turning nut onto the tool. If shift tube is not completely free when nut is bottomed on its threads, complete removal by hand. On column shift models, guide lower shift lever though slotted opening in column to prevent damage to tube or column.
    CAUTION: Do not hammer on shift tube during removal.
    Fig 4: Reworked Shift Tube Removal Tool
    G09318905Courtesy of GENERAL MOTORS COMPANY
  11. On all models, remove lock plate by sliding out of column notches, tipping plate downward toward housing to compress wave washer and then removing wave washer and lock plate. On column shift models, remove shift lever housing and shift lever spring. On all models, remove dash panel seal mounting plate and instrument panel seal from column jacket.