Audi Workshop Service and Repair Manuals

Special tools, testers and auxiliary equipment required

• ◆ Assembly tool 3405

• ‒ See notes

Adjustments must be carried out with the greatest care and attention since a poorly adjusted propshaft is often the cause of vibration and humming.

• ‒ Remove cross member, if fitted, underneath exhaust system.
• ‒ Remove rear part of exhaust system from clamp onwards to guarantee accessibility to propshaft:
  => corresponding Workshop Manual for Engine, Mechanical Components; Repair group 26; Removing and installing exhaust system
• ‒ Remove heat shield above propshaft.

• ‒ Loosen securing bolts of centre propshaft mounting slightly.

• ‒ → Engage assembly device 3405 and tighten plastic nuts.

Note:

Never fit assembly appliance onto balance plates.

• ‒ Remove securing bolts and shims from centre mounting.

• ‒ → Align centre propshaft mounting so that the dimension -a- on left side is the same as dimension -a- on right side.
• ‒ Measure the distances -a-.
• ‒ Select required shims from table. Part numbers

=> Parts List

The following shims are available

• ‒ Install correct shims on left and right.

Aligning propshaft longitudinally

• ‒ → Slide propshaft with assembly device to rear up to stop.
• ‒ Mark position of centre mounting on body -arrow A-.
• ‒ Push the propshaft with the assembly device forward as far as it will go.
• ‒ Mark position of centre mounting on body -arrow B-.
• ‒ Align propshaft -arrow C-.
• ‒ The centre mounting must be positioned centrally between the markings -A- and -B-
• ‒ Install securing bolts of propshaft centre mounting and previously determined shims and tighten.
• ‒ Remove assembly device.
• ‒ Install heat shield above propshaft.

The remaining installation steps are carried out in the reverse sequence - note the following points:

• ‒ Stress-free alignment of exhaust system:
  => corresponding Workshop Manual for Engine, Mechanical Components; Repair group 26; Removing and installing exhaust system

Tightening torques