Check belt tension
WARNING: This page is about a different variant/trim than selected.
Wait 5 minutes after aligning the timing belt.
Position measuring instrument 9988500 between the exhaust camshaft pulley and the coolant pump.
Read the value using a mirror. The measuring instrument must not be removed before the reading is made.
For the 21 mm belt, the tension must be within the range of 3.5 - 4.6 units.
| For the 23 mm Belt the following applies: | |
| B 5204/5254/5234 | 2.5-4.0 units |
| B5252 | 2.7-4.2 units |
If the above values are not obtained the tensioner damping unit must be replaced.