A6 2 5 tdi (140 koni)

Audi A6 (94-97) 2,5D TDI 1994-97 Engine codę: AEL

Impoitant notę

Replacement Inteival Guide

Check For Engine Dainage

Repair Times - his

Special Tools

Special Piecautions

Removal

Installation

1. Slacken camshaft sprocket bolt 1/2 tum (16). Tap sprocket gently to loosen it from taper.

NOTĘ: Sprocket should turn freely without tilting.

2. Ensure crankshaft has not moved.

3. Fit timing belt in anti-clockwise direction, starting at crankshaft sprocket. Ensure belt is taut between sprockets.

4. Slacken tensioner bolt [8],

5. Turn tensioner pulley until pointer has moved approximately 3 mm to the right (17). Use tool No.3355 (9).

6. Slacken tensioner bolt until pointers aligned [18].

7. Tighten tensioner bolt to 25 Nm [8].

8. Install:

o Timing belt lower cover (7).

o Crankshaft pulley (6). Lightly tighten centre bolt [2).

9. Ensure timing marks aligned [3] or [19).

10. Tighten camshaft sprocket bolt [16], Tightening torque: 30 Nm +90°

11. Remove camshaft setting bar [14).

12. Fit camshaft rear sprocket. Fit bolt and washer (13). Tighten bolt until sprocket can just be tumed by hand.

13. Install:

o Injection pump belt. o Tensioner spring (11).

14. Slacken tensioner nut to tension belt (10).

15. Ensure timing marks aligned (3) or [19] & [4],

16. Hołd camshaft rear sprocket. Use tool No.3036 (12). Tighten bolt to 160 Nm [13].

17. Turn crankshaft 1/2 turn clockwise. Tighten tensioner nut to 45 Nm [10].

18. Turn crankshaft 1 1/2 turns to TDC on No.1 cylinder. Ensure timing marks aligned [3] & [4],

19. Recheck belt tension. Ensure pointers no morę than 3 mm apart (17).

20. Fit new crankshaft pulley centre bolt [2], Lightly oil threads. Tightening torque: 200 Nm + 270° (3/4 of a turn).

21. Fit crankshaft pulley bolts (5). Tightening torque: 20 Nm +90⁰

22. Install components in reverse order of removal.

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