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International Automotive Technicians Network
Re: GM: Testing for cracked dist shaft magnets
Posted to Technical Discussion Forum on 1/1/1998 2 Replies

To all i-atn techs

A much simpler way of testing for a weak magnet or cracked magnet on a GM vehicle is with a timing [...] a warmed up vehicle put the EST in bypass or disconnect the EST line pending on [...] watch timing advance, run engine rpm up to 2000-... Login to read more.

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