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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 807 (Propeller Shaft And Universal Joints) >> Repair Instructions >> Universal Joint Replacement - External Snap Ring >> Disassembly Procedure

Disassembly Procedure

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NOTE: Never clamp propeller shaft tubing in a vise. Clamping could dent or deform the tube causing an imbalance or unsafe condition. Always clamp on one of the yokes and support the shaft horizontally. Avoid damaging the slip yoke sealing surface. Nicks may damage the bushing or cut the lip seal.
  1. Support the propeller shaft in a line horizontal with the table of a press.
  2. Mark the propeller shaft in order to show which end connects to the transmission and which end goes to the rear axle.
  3. Disassemble the snap rings by pinching the ends together with a pair of pliers.
  4. If the ring does not readily snap out of the groove in the yoke, tap the end of the cup lightly in order to relieve the pressure from the ring.
  5. Place the universal joint so that the lower ear of the yoke is supported on a 30 mm (1-1/8 in) hex head socket or a 27 mm (1-1/16 in) socket.
  6. Place J 9522-3 on the open horizontal bearing cups. Press the lower bearing cup out of the yoke ear.
    7. Fig 1: Locating U Joint Bearing Separator - External Snap Ring
    G01455714Courtesy of GENERAL MOTORS CORP.
  7. If you do not completely remove the bearing cup, lift the cross and insert J 9522-5 between the seal and the bearing cup you are removing. Continue pressing the bearing cup out of the yoke.
    8. Fig 2: Locating U Joint Bearing Spacer Remover - External Snap Ring
    G01455715Courtesy of GENERAL MOTORS CORP.
  8. Rotate the propeller shaft. Press the opposite bearing cup out of the yoke.
  9. Mark the orientation of the slip yoke to the tube for proper reassembly.
  10. Remove the cross from the yoke.
  11. Remove the remaining universal joint parts from the yoke.
  12. If you are replacing the front universal joint, remove the bearing cups in the slip yoke in the same manner.
  13. Inspect the retaining ring grooves for dirt, corrosion, or pieces of the old ring.
  14. Inspect the bearing cup bores for burrs or imperfections.
  15. Clean the retaining ring grooves. Corrosion, dirt, rust, or pieces of the old retaining ring may prevent the bearing cups from pressing into place or prevent the bearing retainers from properly seating.
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