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it normally means there worn and could do with replacing, however mine have been noisy for 3 years, my partner who's a mechanic never does any thing on my car unless he has to, so when he changes the oil he puts a bottle of STP oil treatment in with the oil. this tends to make it a lot quieter. good luck

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Q: What does it mean when your Skoda fabia 1.4 auto hydraulic tappets are noisy?
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