dieguito53 Posted January 20, 2009 Share Posted January 20, 2009 need some help. i belong to fire department at Guatemala. we have a mack fire truck 1983.the part that i need to know the name is: CP4X 6916C218CP Pedigreed Reman Exchange 214-MRC-590my engine number is: 107GC4115AP L41i dont know about this part. i have some photos. this part is placed in the intake manifold. its a kind of valve with 2 hoses. some guy adjust them to the valve and it just start to not lose air pressure at the brake systemthanks for the help Quote Link to comment Share on other sites More sharing options...
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