A6 2 5 tdi (140 koni)

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

Impoitant notę

RepUicement Inteival Guide

Check For Engine Dainage

Repair Times - his

Special Tools

Special Piecautions

Removal

Installation

Installation

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

NOTĘ: Spiocket shouid tum 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.    Tum 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. Tum crankshaft 1/2 tum clockwise. Tighten tensioner nut to 45 Nm [10].

18. Tum 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 tum).

21.    Fit crankshaft pulley bolts [5]. Tightening torque: 20 Nm +90".

22.    Install components in reverse order of removal.

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