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International Automotive Technicians Network
Re: Mazda exhaust valves
Posted to Technical Discussion Forum on 7/14/2023

Would like to see the bad valves out of the head . When a valve wear out , it goes into the seat , then the hydraulic or solid lifter run out of adjustment , and valve stay open some . Hard to believe that you have some clearance at the top of valve stem with ... Login to read more.