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Re: DIESEL PRV VALVE BEHAVIOUR.?
Posted to HD/Fleet Forum on 2/24/2019 3 Replies

On all the Commin Rail Diesels I see the mechanical rail pressure relief valve should NEVER leak. It is only a safety valve to prevent over pressure if the rail. If a PRV leaks when cranking it has failed. It will prevent startup when dripping even slightly in... Login to read more.

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