Citation V6-173 2.8L VIN Z 2-bbl HP (1983)
FIGURE 3 - THM 125/125-C TRANSMISSION I.D. NAMEPLATE WINDSOR, CANADA
x
6. For gas engine/transmissions, the
auxiliary valve body converter clutch control regulator spring may be weak and require replacement with
the new spring, P/N 8637888. On February 20, 1984, for U.S. built and March 5, 1984 (Julian Date 065)
for Canada built THM 125C transmissions (refer to chart 1 for serial number breakpoints). The new
spring P/N 8637888, went into production and has a stronger load. For explanations of nameplates, refer
to Figure 2 (U.S.) and Figure 3 (Canada).
x
x
7. Inspect the pump shaft to valve body seal
for cuts, damage, distortion.
Condition
Cause and Correction
TCC Apply
TCC Crowd
Shudder
Shudder
x
x
8. A new governor pressure switch went into
production for diesel models only, in late April, 1982. This change corrects the "shudder" feel, by raising the
converter clutch apply speed. In servicing diesel model transmissions for this condition, refer to the
following chart for proper model usage for 1982 models:
Governor Switch
Model
Part Number
0P,
HU,
HY,
H6,
HR
8643369
HW
8637296
HS
8643368
CD,
HI,
HC
8643367
FIGURE 4 - Converter Feed