Bulletin Title: #88-161-7A - ERRATIC OR NO UPSHIFT NEW GOVERNOR DRIVEN GEAR - (Feb 22, 1988)
Bulletin Type: Technical
Applies To: Automatic Transmission
#88-161-7A - ERRATIC OR NO UPSHIFT NEW GOVERNOR DRIVEN GEAR - (Feb 22, 1988)
A THM 400/475 or THM 700-R4 transmission with an erratic or no upshift condition may be created by "applecoring" of the governor driven gear. "Applecoring" is pictured in the illustration below.
A new governor dr...
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