Overview - Drive Axle: Notes

Fig 1: Drive Axle Assembly Overview

Courtesy of AUDI OF AMERICA, LLC

Clamp
- Always replace after removing
- Tensioning. Refer to CLAMP ON TRIPLE ROLLER JOINT AND OUTER JOINT, TENSIONING .
CV Boot
- If the drive axle has a peened triple roller joint, then the triple roller joint has an adapter installed.
- The CV boot must fit in the groove and on the joint contour.
Clamp
- Always replace after removing
- Tensioning. Refer to CLAMP ON TRIPLE ROLLER JOINT AND OUTER JOINT, TENSIONING .
Circlip
- Always replace after removing
- Insert into ring groove of shaft before installation (not visible on installed joint).
- Before installing CV joint, align the circlip in the center with opening facing upward.
Outer CV Joint
- Completely replace
- Removing. Refer to Outer CV Joint, Removing .
- Checking using the Vehicle Diagnostic Tester. Refer to OUTER CV JOINT, CHECKING .
- Installing. Refer to Outer CV Joint, Installing .
- Lubricating. Refer to Grease Quantity and Type .
- Before installing the CV joint, thinly coat the profile shaft splines with the grease used in the joint.
Bolt
- Always replace after removing
- Clean the threads in the CV joint with for example a thread tap.
- Drive axle threaded connection, loosening and tightening. Refer to DRIVE AXLE THREADED CONNECTION, LOOSENING AND TIGHTENING .
Clamp
- Always replace after removing
- Tensioning. Refer to CLAMP ON TRIPLE ROLLER JOINT AND OUTER JOINT, TENSIONING .
CV Boot
- Check for tears and scuffing
Clamp
- Always replace after removing
- Tensioning. Refer to CLAMP ON TRIPLE ROLLER JOINT AND OUTER JOINT, TENSIONING .
Drive Axle
- Different versions:
  - Triple roller joint AAR 2600 i with an outer CV joint with 85.2 mm diameter.
  - Triple roller joint AAR 3300 i with an outer CV joint with 94 mm or 98.9 mm diameter.
  - Triple roller joint AAR 3700 i with an outer CV joint with 102.7 mm diameter.
- Allocation. Refer to the Parts information.
- Removing and installing. Refer to DRIVE AXLE, REMOVING AND INSTALLING .
- Triple roller joint allocation. Refer to Figure.
- Drive axle, disassembling and assembling. Refer to DRIVE AXLE, DISASSEMBLING AND ASSEMBLING .
Circlip
- Always replace after removing
- Insert in shaft groove
Triple Roller Star
- Mark the installed position for reinstallation.
- Disassembling and assembling. Refer to DRIVE AXLE, DISASSEMBLING AND ASSEMBLING .
- Before installing the triple roller star, thinly coat the profile shaft splines with the grease used in the joint.
Circlip
- Always replace after removing
- Insert in shaft groove
Bolt
- M10: 50 Nm + 90°
- M12: 90 Nm + 90°
- Always replace after removing
Joint
- Disassembling and assembling. Refer to DRIVE AXLE, DISASSEMBLING AND ASSEMBLING .