| Special tools and workshop equipment required |
Note! | t
| When re-cutting engines with leaky valves, it is not enough to re-cut or replace the valve seats and the valves. Especially for engines with high mileage it is important to check for wear on the valve control. |
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| Only re-cut the valve seats until an impeccable drive track is achieved. Before re-cutting, calculate the maximum admissible re-cutting dimension. If the re-cutting dimension is exceeded the hydraulic valve play compensation is no longer ensured and thus the cylinderhead must be replaced. |
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