Specifications, Mechanical
Note. As the illustrations in this service information are used for different model years and / or models, some variation may occur. However, the essential information in the illustrations is always correct.
Scheme 135
The engine manufacture number and type are stamped on the right side of the cylinder block.
There is also a decal on the timing cover with the engine type, manufacture number and serial number.
Scheme 136
The marking is stamped on the cylinder block and crankshaft.
| Cylinder block classification / Crankshaft classification | A small diameter | B medium diameter | C large diameter | |||
|---|---|---|---|---|---|---|
| Block | Intermediate section | Block | Intermediate section | Block | Intermediate section | |
| A small | Yellow medium | Yellow medium | Yellow medium | Blue thick | Blue thick | Blue thick |
| B medium | Red thin | Yellow medium | Yellow medium | Yellow medium | Yellow medium | Blue thick |
| C large | Red thin | Red thin | Red thin | Yellow medium | Yellow medium | Yellow medium |
Tightening Center Screw
Tighten the center screw. Tighten to 40 Nm .
Tightening
Slacken off the 3 x screws for the timing gear pulley slightly (applies to both timing gear pulleys).
Install the center plug in the variable valve timing unit. Tighten. See: Summary of specific components and tightening torques .
Hold the center plug at 25 Nm at the same time as tightening the 3 x screws on the camshaft timing gear pulley to: Summary of specific components and tightening torques .
Tighten the 3 x screws on the timing gear pulley for the exhaust camshaft. See: Summary of specific components and tightening torques .
This is to ensure that the variable valve timing unit is in its end position when the timing gear pulley is tightened.