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  1. M

    How To: Bleed 6.5L Fuel System

    Hey I had a question about the priming process. I have a 1995 GMC K2500 6.5 Diesel, I am changing the lift pump and oil pressure switch today and I wanna bleed the fuel system just to make sure theres no air in there. Someone told me that I have to loosen each nut for each injector individually...
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