A4 Mk2
Drive chain for valve gear - exploded view of components |
Note
Mark rotation direction of chain with paint before removing. If a used chain rotates in the opposite direction when it is refitted, this can cause breakage. |
1 - | Bearing mounting for drive sprocket |
2 - | Washer |
3 - | 42 Nm |
4 - | Mounting pin, 10 Nm |
5 - | 5 Nm + 90° (1/4 turn) further |
q | Renew |
6 - | Thrust washer for drive sprocket |
7 - | Drive sprocket for timing chain (left-side) |
8 - | Mounting pin, 10 Nm |
9 - | Drive chain for valve gear |
10 - | Guide rail |
11 - | Mounting pin, 10 Nm |
12 - | 10 Nm |
13 - | Bearing bracket for drive sprocket |
14 - | O-ring |
q | Renew |
15 - | Thrust washer |
16 - | Drive sprocket for timing chain (right-side) |
17 - | Mounting pin, 10 Nm |
18 - | O-ring |
q | Renew |
19 - | Chain tensioner |
20 - | 10 Nm |
21 - | Guide rail for chain tensioner |
22 - | Crankshaft |
23 - | Guide rail |
24 - | Mounting pin, 10 Nm |