DRIVE AXLE OVERVIEW, WITH 88 mm DIAMETER OUTER CV JOINT AND 100 mm DIAMETER INNER CV JOINT: Notes

Fig 1: Exploded View Of Drive Axle, With 88 mm Diameter Outer CV Joint And 100 mm Diameter Inner CV Joint

Courtesy of AUDI OF AMERICA, LLC

1. Cover
   • Drive the cover off carefully using a drift.
   • Always replace.
   • The adhesive surfaces on the cover/inner CV joint must be free of grease when installing.
   • Before mounting on the CV joint, coat the sealing surface with sealant. Refer to INNER CV JOINT, 100 MM DIAMETER OR 108 MM DIAMETER .
2. Securing Ring
   • Remove and install with commercially-available circlip pliers.
   • Always replace.
3. Inner CV Joint
   • Exterior diameter: 100 mm
   • Replace only as complete unit.
   • Checking, refer to INNER CV JOINT, CHECKING .
   • Pressing off, refer to INNER CV JOINT, 100 MM DIAMETER OR 108 MM DIAMETER .
   • Pressing on, refer to INNER CV JOINT, 100 MM DIAMETER OR 108 MM DIAMETER .
   • Grease quantity and type, refer to INNER CV JOINT, 100 MM DIAMETER OR 108 MM DIAMETER .
   • The adhesive surfaces on the cover/inner CV joint and protective boot/inner CV joint must be free of grease when installing.
   • When installing joint on axle shaft, splines on axle shaft must be lightly coated with grease used in joint.
4. Inner CV Boot with a Cap
   • Without ventilation bore.
   • Carefully drive off cap with drift.
   • Always replace.
   • In case of damage, check inner CV joint. Refer to INNER CV JOINT, CHECKING .
   • Before mounting on the CV joint, coat the sealing surface with sealant INNER CV JOINT, 100 MM DIAMETER OR 108 MM DIAMETER .
   • Align cover to bolt holes.
   • The adhesive surfaces on the protective boot/inner CV joint must be free of grease when installing.
   • The protective boot/drive axle sealing surfaces must be free of grease when installing.
   • Before tightening clamp, briefly raise CV boot to allow pressure to equalize.
5. Backing Plate
6. Bolt
   • 20 Nm + 90° turn
   • Always replace if removed.
7. Clamp
   • Always replace.
   • Tensioning. refer to INNER CV JOINT, 100 MM DIAMETER OR 108 MM DIAMETER .
8. Drive Axle
   • Removing and installing, refer to DRIVE AXLE .
9. CV Boot for Outer CV Joint
   • Without ventilation bore.
   • Check for tears and chafing; replace if necessary.
   • In case of damage, check outer CV joint. Refer to OUTER CV JOINT, CHECKING .
   • The protective boot/outer CV joint sealing surfaces must be free of grease when installing.
   • The protective boot/drive axle sealing surfaces must be free of grease when installing.
   • Before tightening clamp, briefly raise CV boot to allow pressure to equalize.
10. Clamp
    • Opening, refer to Removing .
    • Tensioning, refer to Installing .
11. Securing Ring
    • Always replace.
    • Allocation Parts Information..
    • Insert before mounting in ring groove (not visible with joint installed).
    • Before installing CV joint, align sealing ring in center with opening facing upward.
12. Outer CV Joint
    • Exterior diameter: 88 mm
    • Replace only as complete unit.
    • Checking, refer to OUTER CV JOINT, CHECKING .
    • Driving off, refer to OUTER CV JOINT, 88 MM DIAMETER OR 100 MM DIAMETER .
    • Installing: Drive onto shaft using plastic hammer until compressed circlip seats.
    • Circlip must lie in joint chamfer when guiding in, guide with pliers if necessary.
    • Grease quantity and type. Refer to INNER CV JOINT, 100 MM DIAMETER OR 108 MM DIAMETER .
    • The protective boot/outer CV joint sealing surfaces must be free of grease when installing.
    • When installing joint on axle shaft, splines on axle shaft must be lightly coated with grease used in joint.
13. Bolt
    • Always replace.
    • Follow the assembly information when loosening and tightening. Refer to THREADED CONNECTION BETWEEN DRIVE AXLE AND WHEEL HUB, LOOSENING AND TIGHTENING .
    • 200 Nm + 180° turn