A/T Valve Body Technical Service Bulletin for 1983 S10 Blazer 2WD L4-121
Valve Body: All Technical Service Bulletins
A/T - 2ND or 3RD Gear Starts
Number:
83-T-73
Section:
VIIC
Date:
AUGUST, 1983
Subject:
2ND OR 3RD GEAR STARTS 1983 THM 200-C (HO AND CS MODELS)
TO:
ALL CHEVROLET DEALERS
Some 1983 THM 200-C transmissions, HO and CS models only, may experience 2nd or 3rd gear starts. This condition may be caused by a casting flash
in the 2-3 T.V. bushing sticking the 2-3 throttle valve.
Follow the service procedure given below when servicing any HO or CS model that experiences this 2nd or 3rd gear start condition. Refer to the service
manual for installation procedures of the 2-3 valve train.
FIGURE 1
SERVICE PROCEDURE:
1.
Remove the 2-3 throttle valve bushing from the control valve assembly, (Figure #1).
FIGURE 2 - BUSHING