A/T - Soft 1-2 Upshift Feel
Number: 83-T-45Section: VIIc
Date: May, 1983
Subject: SOFT 1-2 SHIFT - 1983 LIGHT DUTY TRUCKS EQUIPPED WITH THM 700-R4 TRANSMISSIONS AND 6.2L DIESEL ENGINES
TO: ALL CHEVROLET DEALERS
Some 1983 THM 700-R4 transmissions with 6.2L diesel enginie equipped vehicles may exhibit a soft 1-2 upshift feel. a "firmed up" 1-2 shift is desired, it can be accomplished by the following:
^ Remove and discard existing 1-2 accumulator spring.
^ Install replacement 1-2 accumulator spring, P/N 8634163.
This applies to any 3VJ, 3TB, 3MH or 3TP model transmission built prior to breakpoint serial number 314D.
Refer to proper service manual section.