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Re: 2003 ford sports trac, clutch and 5th gear issue?
Posted to Transmission Forum on 4/6/2021

Manual Transmission--M5R4 Toyo Kogyo (Mazda)--It has been known for decades that these are junk transmissions that lose fifth gear first. The gear I.D. spins on the shaft.

Jasper will not touch them because they do not want to warranty them soon after sale. ... Login to read more.