Overview - Drive Axle: Notes
WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
- Outer CV Joint
- Only replace completely
- Check using the Vehicle Diagnostic Tester Refer to OUTER CV JOINT, CHECKING .
- Removing. Refer to DRIVE AXLE, DISASSEMBLING AND ASSEMBLING, OUTER CV JOINT .
- Installing: Drive onto shaft with a plastic mallet until compressed circlip rebounds.
- Circlip must lie in joint chamfer when guiding in, guide with pliers if necessary.
- Grease quantity and type. Refer to Grease Quantity and Type .
- The CV boot/outer CV joint sealing surfaces must be free of grease when installing.
- When installing the CV joint, thinly coat the profile shaft splines with the grease used in the joint.
- Circlip
- Always replace after removing
- Insert into ring groove of shaft before installation (not visible on installed joint)
- Before installing the CV joint, align the circlip centered to the opening facing upward.
- Clamp
- Always replace after removing
- Tensioning. Refer to Fig 1.
- CV Boot
- Without vent hole
- Remove the cap carefully using a drift.
- Check for tears and scuffing
- Check the inner CV joint for damage. Refer to INNER CV JOINT, CHECKING .
- The metal cap/CV joint sealing surfaces must be free of grease when installing.
- Clamp
- Always replace after removing
- Tensioning. Refer to Fig 1.
- Drive Axle
- Removing and installing. Refer to DRIVE AXLE, REMOVING AND INSTALLING .
- Clamp
- Always replace after removing
- Tensioning. Refer to Fig 1.
- CV Boot
- Without vent hole
- Check for tears and scuffing
- Check the outer CV joint for damage. Refer to OUTER CV JOINT, CHECKING .
- The outer CV boot/metal cap sealing surfaces must be free of grease when installing
- The CV boot/drive axle sealing surfaces must be free of grease when installing
- Clamp
- Always replace after removing
- Tensioning. Refer to Fig 1.
- Inner CV Joint
- Wagon: bolted on the transmission
- Only replace completely
- Check using the Vehicle Diagnostic Tester Refer to INNER CV JOINT, CHECKING .
- Grease quantity and type. Refer to Grease Quantity and Type .
- Adhesive surface must be free of oil and grease
- When installing the CV joint, thinly coat the profile shaft splines with the grease used in the joint.
- Circlip
- Always replace after removing
- Insert in shaft groove
- Cover
- Carefully drive off using a drift
- Always replace after removing
- Adhesive surface must be free of oil and grease
- Coat the sealing surface with Sealant:D 454 300 A2 before installing on CV joint. Refer to Inner CV Joint, Installing .
- Bolts
- Always replace after removing
- 50 Nm + 90°
- Backing Plate
- Inner CV Joint
- Wagon: attached to the transmission
- Only replace completely
- Check using the Vehicle Diagnostic Tester Refer to INNER CV JOINT, CHECKING .
- Grease quantity and type. Refer to Grease Quantity and Type .
- Adhesive surface must be free of oil and grease
- When installing the CV joint, thinly coat the profile shaft splines with the grease used in the joint.
- O-Ring
- Always replace after removing
- Insert in shaft groove
- Circlip
- Always replace after removing
- Insert in shaft groove
Clamp, Tensioning using Clamping PliersV.A.G 1682A
-- Attach the Clamping Pliers:V.A.G 1682A as shown.
- The jaws on the pliers must be centered -arrow- on the clamp -2-.
- The spindle threads must turn easily. If necessary, coat with MoS2 lubricating grease.
- If difficult to tighten, for example because of dirty threads, the proper clamping force of the clamping sleeve will not be reached even when tightened to the specification.
-- Tighten the lock washer with the torque wrench by turning the spindle -1-. Do not tilt the pliers when doing this.
- Tightening specification: 20 Nm.