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Home >> Buick >> 1995 >> LeSabre Custom >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle Overhaul & Testing - 4T60-E >> Component Disassembly & Reassembly >> Final Drive Assembly >> Reassembly

Final Drive Assembly: Reassembly

  1. Assemble differential side gears and thrust washers into carrier. Using petroleum jelly, stick thrust washers onto pinion gears. Assemble pinion gears and washers into carrier.
  2. Slide pinion shaft through both pinion gears for alignment, then remove shaft. Rotate pinion gears into position, then install pinion shaft. Tap retaining pin into position using a plastic hammer.
  3. Tap speed sensor rotor (if removed) into position using soft mallet. Install sun gear with stepped side facing parking gear. Assemble parking gear on sun gear.
  4. Inspect carrier-to-case selective thrust washer for damage. Install thrust washer onto carrier hub. Install thrust bearing onto thrust washer and retain with petroleum jelly.
  5. Assemble thrust bearing on internal gear. Install internal gear to case and install snap ring. Move detent lever out of "P" position. Install final drive assembly into case.
  6. To measure final drive end play, install dial indicator so pointer contacts Adapter (J-26958-10). See Fig 2. Lift speed sensor rotor with Snap Ring Remover (J-28585), and read dial indicator.
  7. Correct end play is .008-.025" (.20-.63 mm). If necessary, adjust end play with selective carrier-to-case thrust washer. See CARRIER-TO-CASE SELECTIVE THRUST WASHER SIZES .
CARRIER-TO-CASE SELECTIVE THRUST WASHER SIZES

Washer ID No. Color Thickness: In. (mm)
0 Orange .055-.059 (1.40-1.50)
1 White .059-.063 (1.50-1.60)
2 Blue .063-.067 (1.60-1.70)
3 Pink .067-.071 (1.70-1.80)
4 Brown .071-.075 (1.80-1.90)
5 Green .075-.079 (1.90-2.00)
6 Black .079-.083 (2.00-2.10)
7 Purple .083-.087 (2.10-2.20)
8 Purple/White .087-.091 (2.20-2.30)
9 Purple/Blue .091-.094 (2.30-2.40)
Fig 1: Exploded View Of Final Drive & Differential Assembly
G96C04301Courtesy of GENERAL MOTORS CORP.
Fig 2: Measuring Final Drive End Play
G92F12729Courtesy of GENERAL MOTORS CORP.