1. MauricioR

    H151F Replacing Synchros on a '96 J80

    Hi, since I bought my J80, the 3rd gear grinds... In the past it used to grind some times but now it grinds every time and now 4rd gear started to grind as well. 1st, 2nd & 5th are fine however I will replace all synchros. I am using 75w90 GL4+ oil on the trans right now, GL4+ means is a blend...
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