Audi Workshop Service and Repair Manuals

Toothed belt for high-pressure pump - exploded view

1 -	Toothed belt cover (front)

q	Engage in position at the bottom at clip on at the side

2 -

Nut

q

70 Nm

3 -

Bolt

q

23 Nm

4 -	Toothed belt sprocket for high-pressure pump

q	Remove using puller -T40064- → Fig.

5 -	Idler roller

6 -	Toothed belt for high-pressure pump

q	Before removing, mark direction of rotation with chalk or felt-tip pen. If the belt runs in the opposite direction when it is refitted, this can cause breakage

q	Check for wear

Caution t  Prerequisites for fitting toothed belt: t  TDC of crankshaft → Fig. and TDC of camshaft → Fig. must be aligned. t  In addition, toothed belt sprocket for high-pressure pump must be locked in position using locking tool -T40135-. This is important to prevent oscillation of toothed belt → Fig..

q	Removing and installing → Chapter

7 -

Bolt

q

9 Nm

8 -	Toothed belt cover (rear)

9 -	Toothed belt tensioning roller

10 -	Toothed belt drive sprocket

q	Remove using puller -T10320- → Fig.

11 -

Bolt

q

75 Nm

q	Use counterhold tool -3036- when loosening and tightening → Fig.

12 -

Bolt

q

23 Nm

TDC of crankshaft -1-

TDC of camshaft -arrow-

Locking tool -T40135- for toothed belt sprocket for high-pressure pump

Pulling off toothed belt sprocket for high-pressure pump –  Use puller -T40064- to pull off belt sprocket for high-pressure pump.

Loosening and tightening central bolt for toothed belt drive sprocket –  Use counterhold tool -3036- when loosening and tightening central bolt -1-.

Removing toothed belt drive sprocket –  Use puller -T10320- to pull off toothed belt drive sprocket.