| Hydraulic compensation elements: Check |
Note | t
| The hydraulic compensation elements cannot be repaired. |
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| Irregular valve noise during starting is normal. |
| Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter. |
| Special tools and workshop equipment required |
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| Start engine and run until the radiator fan has switched on once. |
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| Increase engine speed to about 2500 rpm for 2 minutes: if necessary, perform road test. |
Note | If the irregular valve noises stop but recur repeatedly during short journeys, the oil retention valve must be renewed. The oil retention valve is located in the oil filter bracket → Item. |
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| If the hydraulic compensation elements are still noisy, find out which is the defective compensation element as follows: |
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| Turn crankshaft on the gear wheel bolt until the cam of supporting element to be tested is facing upwards. |
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