K 20 P/U 4WD V6-262 4.3L (1985)
FIGURE 6 - THM 700-R4 TRANSMISSION-I.D. LOCATION
Starting January 15, (Julian Date 015) 1984, all THM 700-R4 transmissions are being built with a new input housing and shaft
assembly and control valve body assembly. Refer to Figures 5 and 6 for Julian Date location.
FIGURE 1 - FORMER INPUT HOUSING & SHAFT ASSEMBLY
The former input housing and shaft assembly had a check ball seat drilled into the housing. A check ball was installed into this hole and
the opening was then staked to retain the ball (see Figure 1).