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*67/72junkie* · 04-15-2010, 10:09 AM

Remove side cover and check the govenor.It has a plastic gear on the end and when worn bad it will strip the teeth and tranny won't shift.I have had this happen to me twice over the years with th 400.This is second thing to check after vacumn line to modulator and modulator.

04-15-2010, 10:09 AM	#3
67/72junkie Account Suspended Join Date: Oct 2002 Location: NC Posts: 1,129	Re: TH 400 won't shift to 2nd or 3rd Remove side cover and check the govenor.It has a plastic gear on the end and when worn bad it will strip the teeth and tranny won't shift.I have had this happen to me twice over the years with th 400.This is second thing to check after vacumn line to modulator and modulator.