Audi Workshop Service and Repair Manuals

Detaching and attaching propshaft at rear final drive Special tools and workshop equipment required

t  Counterhold tool -T10172- with adapters -T10172/5- t  High-temperature grease -G 000 633- t  Please refer to notes → Chapter. t  Repairs on the propshaft should be carried out on a two pillar hoist. Detaching propshaft from rear final drive   Note

The flexible pipe connection (de-coupling element) in the front exhaust pipe must not be bent more than 10° - otherwise it can be damaged. –  Unfasten clamps -1- and -2- and disconnect exhaust system. –  Tie front exhaust pipe(s) up to side of underbody.   Note A second mechanic is required for removing the rear section of the exhaust system. –  Remove rear section of exhaust system → Rep. gr.26.

–  Check whether there is a factory marking (coloured dot) -arrow A- and -arrow B- on the propshaft and on the propshaft flange on the rear final drive. –  If one of these markings is no longer visible (for example -arrow A- on the propshaft), make a new coloured marking accordingly. l  The markings on the propshaft -arrow A- and on the rear final drive -arrow B- should be aligned.

–  Remove bolts -1- (6x) on rear CV joint. –  Use counterhold tool -T10172- with adapters -T10172/5-. –  Separate propshaft from rear final drive and move clear or tie to one side on subframe. Attaching propshaft to rear final drive Perform installation in reverse sequence of removal. Note the following: t  Remove old, dried-out high-temperature grease from CV joint and flange for propshaft. Put in exactly the same quantity of fresh high-temperature grease -G 000 633-. t  Clean remaining locking fluid out of tapped holes in flange shaft on rear final drive. The threads can be cleaned with a thread tap. Otherwise the securing bolts can shear off when they are screwed in. t  After detaching the propshaft from the rear final drive, the additional balancing washer (thicker washer) that may be fitted between the lock plate and one of the securing bolts must not be reinstalled. t  Always install new securing bolts for propshaft (self-locking bolts). t  Check for damage to gasket for propshaft on rear final drive flange (kinked gasket or partially detached rubber coating). A damaged gasket must be renewed.

–  Fit propshaft on rear final drive, paying attention to installation position: l  The markings on the propshaft -arrow A- and on the rear final drive -arrow B- should be aligned. l  Maximum misalignment of markings: 30°.

–  Install and tighten new securing bolts -1- for propshaft. Follow correct tightening sequence → Fig.. –  Install rear section of exhaust system → Rep. gr.26.