Citation II L4-151 2.5L VIN R TBI (1984)
FIGURE 2 - NEW OIL PUMP DRIVE SHAFT AND SPACER ASSEMBLY
1.
The new oil pump drive shaft and spacer assembly has a thinner spacer and a longer bearing journal diameter to accommodate
the new pump shaft bearing and seal assembly (Figure 2).
2.
The new pump shaft bearing and seal assembly was also made longer in length to accommodate the seal as part of the bearing
assembly (Figure 2).
3.
The new control valve and pump assemblies were changed to accommodate the new oil pump drive shaft and roller pump shaft
bearing and seal assemblies.
Refer to Chart 1 for the serial number breakpoints. If the transmission being serviced has a serial number smaller than the number
shown in chart 1, it will have the former parts (refer to the 1984 parts list book). If the number is the same or larger, it will have the
new parts (refer to Charts 2 and 3 for new part numbers and model applications).
FIGURE 3 - U.S. Models-Serial Numbering
FIGURE 4 - Canadian Models-Julian Dates
IMPORTANT:
ALL THM 125C transmissions built in Canada will have these new parts beginning start of production 1985. Some models THM 125C
transmissions built in Canada are also built in the United States and can be distinguished from each other by their nameplates. The U.S.
models have serial numbers (Figure 3) and Canadian models have Julian Dates (Figure 4).
CHART 1
NEW OIL PUMP SHAFT AND SPACER ASSEMBLY, PUMP SHAFT BEARING AND SEAL ASSEMBLY, AND CONTROL VALVE AND PUMP ASSEMBLY
SERIAL
SERIAL
MODEL
NO.
MODEL
NO.
CA
2921
EN
4986
CB
240974
EW
1656
CC
1787
HC
2355
CE
83327
HM
3147
CF
8695
HS
20389
CT
4840
HX
7171
