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Showing results for tags 'tappets valve lifters'.
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NFB posted a topic in Modifications and Performance: 450 Model, 2005-2006, dieselMy 2006 CDi runs great! It has lots of power and has no problem starting. Except the tappets are noisy. Mind you it has 228K. I'm thinking of a solution without having to replace them. I was going to use Sea Foam to perhaps loosen them, (thinking they are collapsed and hence the reason for the noise) or try Liqui-Moly Tappet Stop Noise which claims to dampens the noise caused by worn hydraulic lifters/tappets. But I cannot find any here to buy in Toronto. Any suggestions?