Differential Assembly Overview
WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Attach transmission to assembly stand. Refer to TRANSMISSION, SECURING TO ASSEMBLY STAND .
Heat inner race of tapered roller bearing to 100 °C (212 °F) before installing.
Always replace both tapered roller bearings together as a set.
Adjust differential, refer to DIFFERENTIAL, ADJUSTING when replacing tapered roller bearing, differential housing, transmission housing or clutch housing.
- Transmission Housing
- Adjustment Shim
- For the differential
- Determining thickness, refer to DIFFERENTIAL, ADJUSTING
- Taper Roller Bearing Outer Race
- Tapered Roller Bearing Inner Race
- Pulling off PULLING OFF INNER RACE FOR TAPERED ROLLER BEARING
- Pressing on PRESSING ON TAPERED ROLLER BEARING INNER RACE
- Differential Housing
- With riveted final drive gear
- Tapered Roller Bearing Inner Race
- Pulling off PULLING OFF INNER RACE FOR TAPERED ROLLER BEARING
- Pressing on PRESSING ON TAPERED ROLLER BEARING INNER RACE
- Taper Roller Bearing Outer Race
- Adjustment Shim
- 0.65 mm thick
- Installed position: the shoulder on the inner diameter faces the bevel box -14-
- Clutch Housing
- Shaft Seal
- For right flange shaft
- Replace with transmission installed, refer to RIGHT FLANGE SHAFT SEAT ON OUTER BEVEL BOX, REPLACING
- Bolt
- Replace
- 40 Nm
- Bolt
- Screw together with threaded piece -19- DIFFERENTIAL ASSEMBLY OVERVIEW
- Tightening specification -13- FLANGE SHAFT AND SEALS ON BEVEL BOX ASSEMBLY OVERVIEW
- Right Drive Flange
- Removing and installing, refer to RIGHT FLANGE SHAFT
- Bevel Box
- Removing and installing with transmission installed, refer to BEVEL BOX, REMOVING
- Removing and installing with transmission removed, refer to TRANSMISSION WITHOUT CIRCLIP A FOR CAP/INPUT SHAFT
- Large Differential Bevel Gear
- Installing DIFFERENTIAL, ADJUSTING
- Differential Taper Axle
- Spring Pin
- For securing the axle for the differential bevel gear
- Removing REMOVING THE DIFFERENTIAL BEVEL GEAR AXLE AND SPRING PIN
- Drive new roll pin in flush ROLL PIN, INSTALLING
- Small Differential Bevel Gear
- Removing and installing INSTALLING THE DIFFERENTIAL BEVEL GEARS
- Threaded Piece
- Installing INSTALLING THE DIFFERENTIAL BEVEL GEARS
- Thrust Washer Union
- Install coated with gear oil
- Securing Ring
- Holds tapered ring, thrust washer and compression spring in position with flanged shaft removed
- Tapered Ring
- With grooves to engage thrust washer
- Installed position: ball toward the differential housing
- Thrust Washer
- Installed position: collar towards spring, tab toward tapered ring
- Left Flange Shaft Spring
- installed behind left flange shaft
- Flange Shaft, Left
- Removing and installing, refer to LEFT FLANGE SHAFT
- Shaft Seal
- For left flange shaft
- Replace with transmission installed, refer to LEFT FLANGE SHAFT SEAL