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Home >> Volkswagen >> 2015 >> Jetta S, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Final Drive & Differential System (Service Information - Manual Transmission - 02Q, 02QA)) >> 39 Final Drive, Differential >> Differential >> Overview - Differential

Overview - Differential

WARNING: This page is about a different variant/trim than selected.
NOTE:

Secure the transmission on the assembly stand. Refer to SECURING ON ENGINE AND TRANSMISSION HOLDER .

Before installing, warm the inner race/tapered roller bearing to approximately 100 °C (212 °F) with Inductive Heater :VAS6414  .

Adjust the differential when replacing the tapered roller bearing, differential housing, transmission housing or clutch housing. Refer to DIFFERENTIAL, ADJUSTING .

The items -18 to 23- are no longer individual replacement parts on some transmissions.

Fig 1: Exploded View Of Differential Components
GWWM39-10001Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Transmission Housing
  2. Shim
  3. Outer Race/Tapered Roller Bearing
  4. Inner Race / Tapered Roller Bearing
  5. Differential
    • With riveted final drive gear wheel
  6. Inner Race / Tapered Roller Bearing
  7. Outer Race/Tapered Roller Bearing
  8. Washer
    • Installation position: the collar on the inner diameter faces the right flange shaft seal.
    • For allocation refer to the parts information.
  9. Clutch Housing
  10. Seal
    • For the right flange shaft
    • For allocation refer to the parts information.
    • Replace when the transmission is installed. Refer to RIGHT SEAL, REPLACING .
  11. Bolt
  12. Right Flange Shaft
  13. Ring
    • Pry the ring off the right flange shaft with a screwdriver
    • Installed position: the depression points away from threaded holes in flanged shaft
    • Install the ring all the way by hand.
    • The ring must lock into the flange shaft.
  14. Flange Shaft Pressure Spring
    • Installed behind the flange shaft
  15. Thrust Washer
    • Installed position: the collar faces toward spring, and tab, if equipped, faces toward tapered ring
  16. Tapered Ring
    • Installed position: ball toward the differential housing
  17. Circlip
    • Holds the tapered ring, the thrust washer and the pressure spring when the flange shaft is removed
  18. Large Differential Bevel Gear
  19. Differential Bevel Gear Axle
  20. Adapter Sleeve
  21. Small Differential Bevel Gear
  22. Threaded Piece
  23. Thrust Washer Union
    • Availability.
    • Install with transmission fluid
  24. Ring
    • Pry the ring off the left flange shaft with a screwdriver
    • Installed position: the depression points away from threaded holes in flanged shaft
    • Install the ring all the way by hand.
    • The ring must lock into the flange shaft.
  25. Left Flange Shaft
  26. Seal
    • For the left flange shaft
    • For allocation refer to the parts information.
    • Replace when the transmission is installed. Refer to LEFT SEAL, REPLACING .