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Home >> Pontiac >> 1988 >> Fiero Formula, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul & Testing - 125C/3T40 >> Transaxle Disassembly >> Final Drive Unit >> Final Drive-To-Case End Play

Final Drive-To-Case End Play

  1. Position transaxle so right axle is up. Using Output Shaft Aligner/Loader Adapter Plug (J-26958-10), press down adapter to seat final drive onto final drive internal gear-to-case snap ring.
  2. Install dial indicator onto post, and install post in motor mount bolt hole. See Figure . Ensure indicator plunger rests on top of adapter. Zero dial indicator while pressing down on adapter.
  3. Insert large screwdriver into transaxle governor bore, and lift final drive by prying up on governor drive gear. Dial indicator should indicate .005-.032" (.12-.81 mm) end play.
  4. Select appropriate thrust washer to correct end play if necessary. See FINAL DRIVE-TO-CASE THRUST WASHER  . Thrust washer controlling end play is located between differential carrier and differential carrier case thrust bearing assembly.
FINAL DRIVE-TO-CASE THRUST WASHER

Thickness: In. (mm) Identification No. (Color Code)
.055-.059 (1.40-1.50) 0 (Orange)
.059-.062 (1.50-1.60) 1 (White)
.062-.066 (1.60-1.70) 2 (Blue)
.066-.070 (1.70-1.80) 3 (Pink)
.070-.074 (1.80-1.90) 4 (Brown)
.074-.078 (1.90-2.00) 5 (Green)
.078-.082 (2.00-2.10) 6 (Black)
.082-.086 (2.10-2.20) 7 (Purple)
.086-.091 (2.20-2.30) 8 (Purple/White)
.091-.095 (2.30-2.40) 9 (Purple/Blue)