Audi Workshop Service and Repair Manuals

• ● Differential removed.

Dismantling

• ‒ Remove bolts on crown wheel and drive crown wheel off differential housing with a drift.
• ‒ → Drive out shaft for bevel gears -4-.
• ‒ Remove threaded piece.
• ‒ Remove 3 differential bevel gears from differential housing.

• ‒ → Take off circlip -A- from drive flange output shaft -arrow-.
• ‒ Remove 4th differential bevel gear.
• ‒ Pull out output shaft for right-hand drive flange.
• ‒ Remove one-piece thrust washer from differential housing

Assembling

• ‒ Lubricate one-piece thrust washer with gear oil and insert in differential housing -1-.
• ‒ → Insert output shaft -2- for drive flange in differential housing -1-.
• ‒ Note installation position: the end with two bearing seats -arrows- faces toward the differential.
• ‒ Fit sun wheel on output shaft -2-, and secure on shaft with circlip.

• ‒ → To aid assembly, insert left flange shaft -1- into differential housing -2-.
• ‒ Secure sun wheel to left-hand flange shaft using bolt and threaded piece.
• ‒ Insert planet pinions -3- spaced 180° apart in openings in differential housing, and hold in place by hand.
• ‒ Rotate planet pinions -3- into final position by turning output shaft for drive flange.

• ‒ → Carefully drive in shaft -A- for planetary pinions. Ensure one-piece thrust washer is seated properly.
• ‒ Install crown wheel => Fig.39-56.