Drive Axle Overview
Drive Axle Overview
1 Outer Constant Velocity (CV) Joint
• Replace only as complete unit.
• Removing, refer to => [ Removing the Outer Constant Velocity (CV) Joint ] Rear Suspension.
• Installing: Drive onto the shaft until impact using a plastic hammer.
2 Bolt
• There are different versions.
• Allocation, refer to the Parts Catalog.
• There are 2 types of twelve point bolts, with and without ribs.
• When installing a twelve point bolt, always check what type of twelve point bolt is to be used.
• Use the correct tightening specification for the specific bolt.
• The tightening specification for a twelve point bolt with ribs is 70 Nm + an additional 90° (1/4) turn. For loosening and tightening specifications. Refer to => [ Drive Axle Bolt Loosening and Tightening, Twelve Point Bolt with Ribs ] Drive Axle Bolt Loosening and Tightening, Twelve Point Bolt with Ribs.
• The tightening specification for a twelve point bolt without ribs is 200 Nm + an additional 180° (1/2). For loosening and tightening specifications, refer to => [ Drive Axle Bolt Loosening and Tightening, Twelve Point Bolt with Ribs ] Drive Axle Bolt Loosening and Tightening, Twelve Point Bolt with Ribs.
• Always replace if removed.
3 Axle Shaft
• Allocation, refer to the Parts Catalog.
4 Clamp
• Always replace if removed.
• Tensioning, refer to => [ Tensioning the Small Diameter Clamp ] Rear Suspension.
5 Outer CV Joint Boot
• Check for tears and scuffing.
• Material: Hytrel (Polyelastomer).
6 Clamp
• Always replace if removed.
• Tensioning, refer to => [ Tightening the Hose Clamp on the Outer CV Joint ] Rear Suspension.
7 Concave Washer
• With inner splines
• Installed position, refer to => [ Installed Position of the Concave Washer on the Inner CV Joint ] Rear Suspension.
8 Lock Ring
• Always replace if removed.
• Insert in the shaft groove.
9 Inner CV Joint Boot
• Material: Hytrel (Polyelastomer).
• Without a ventilation bore.
• Check for tears and scuffing.
• Drive off the CV joint using a drift.
• Before mounting onto the CV joint, coat the sealing surface using sealant (D 454 300 A2).
10 Clamp
• Always replace if removed.
• Tensioning, refer to => [ Tensioning the Small Diameter Clamp ] Rear Suspension.
11 Locking Plate
12 Bolt
• M8 x 48
• 40 Nm
• First tighten to 10 Nm in a diagonal sequence, then tighten to specification in a diagonal sequence.
• After disassembly, always replace the bolts.
13 Circlip
• Always replace if removed.
• Remove and install using circlip pliers (VW 161 A).
14 Gasket
• Always replace if removed.
• The bonding surface on the CV joint must be free of grease and oil!
15 Inner CV Joint
• Replace only as complete unit.
• Pressing off, refer to => [ Removing the Inner CV Joint ] Rear Suspension.
• Pressing on, refer to => [ Pressing on the Inner CV Joint ] Rear Suspension.
• Checking, refer to => [ Inner CV Joint, Checking ] Inner CV Joint, Checking.
16 Concave Washer
• With inner splines.
• Installed position, refer to => [ Installed Position of the Concave Washer on the Inner CV Joint ] Rear Suspension.
Differences Between a twelve Point Bolt With Ribs and a Bolt Without Ribs
The contact surfaces - arrows A and B - are different on the two bolts.
I Twelve point bolt with ribs - arrow A -
II Twelve point bolt without ribs - arrow B -