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Home >> Audi >> 2012 >> TT Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Wheel Hubs >> Rear Suspension (Roadster) >> Rear Suspension >> Description And Operation >> Hex Bolt Between Drive Axle And Wheel Hub (Loosening And Tightening)

Hex Bolt Between Drive Axle And Wheel Hub (Loosening And Tightening)

Special tools and workshop equipment required 

Loosening 

-- Only loosen drive axle to wheel hub threaded connection a maximum of 90° when vehicle is resting on its wheels, otherwise wheel bearing will be damaged.

-- Raise vehicle enough that wheels hang freely.

-- Operate brake (second mechanic required).

-- Remove bolt -arrow-.

Fig 1: Identifying Wheel Hex Bolt
GWWA42-0248Courtesy of AUDI OF AMERICA, LLC

Tightening 

-- Replace bolt -arrow-.

NOTE:
  • Before installing, threads in constant velocity joint should be cleaned with a tap.
  • Wheels must not yet touch the ground to tighten the drive axle, wheel bearing may otherwise be damaged.

-- Operate brake (second mechanic required).

-- Tighten bolt to 200 Nm.

-- Lower the vehicle onto its wheels.

-- Tighten bolt an additional 180°.