P05.10-0225-06
1 End piece
14 Chain tensioner housing
15 Sealing ring
25 Oil filler cap
26 Intake cam
P05.10-0226-06
1 End piece
2 Ball (return flow check valve)
3 Compression spring
4 Ball guide
5 Aluminum seal
7 Filler pin
8 Compression spring
9 Detent spring
10 Thrust pin
11 Ball (control valve)
12 Compression spring
13 Thrust piece (interference-fit)
14 Chain tensioner housing
15 Aluminum seal
16 Timing case cover
17 Cylinder head
18 Bolt+washer
19 Tensioning rail
20 Cylinder head gasket
21 Timing chain
22 Plastic shoulder (sliding surface) of tensioning rail
A Oil feed duct
B Oil reservoir for chain tensioner
| Remove | ||
1 | Remove top part of air filter | ||
2.1 | Remove compressor, install | Engine 111 with supercharger | |
3 | Position piston of cylinder 1 to 20° after ignition TDC | Crank engine at crankshaft At 20° after ignition TDC of cylinder 1, the timing chain cannot skip at the camshaft sprockets with the chain tensioner removed. To check whether cylinder 1 is positioned at 20° after ignition TDC, remove the oil filler cap (25). The tips of the intake cams (arrow) of cylinder 1 must point upwards at an angle. | |
4 | Cover over alternator | e.g. with clean rag | |
5 | Slacken end piece (1) one turn | ||
6 | Remove chain tensioner (14) complete | If the complete chain tensioner is slackened, it must be removed, disassembled and reassembled as described. | |
| Install | ||
7 | Install chain tensioner (14) | | |
8 | Run engine and inspect for leaks |
Timing chain, chain tensioner
Number | Designation | Engine | ||
BA05.10-P-1001-01B | End piece of chain tensioner | Nm | 40 | |
BA05.10-P-1002-01B | Chain tensioner housing in timing case cover | Nm | 80 | |
Commercially available tools