Century V6-181 3.0L (1983)
Fluid Pan: All Technical Service Bulletins
Transaxle Oil Pan & Valve Body Cover - Revised
Model Year
1983
Bulletin No.
83-203
File In Group
70
Number
39
Date
Nov. '83
SUBJECT:
NEW TRANSAXLE OIL PAN & VALVE BODY COVER
MODELS AFFECTED: ALL THM 125/125C TRANSAXLES
NEW FLANGE
The THM 125/125C transaxle oil pan and valve body cover have been changed to improve sealing in these areas. The new oil pan (Part No. 8643574)
and valve body cover (Part No. 8643575) are thicker and have a raised continuous rib on the flange. (See Figure 1).
FIGURE 2 - HEX HEAD SCREW AND CONICAL WASHER ASSEMBLY
The new transaxle oil pan requires a new thicker oil pan gasket (Part No. 8643572). The new valve body cover also requires a new gasket (Part No.
8631340). New hex head bolts with conical washer (Part No. 8643879) are to be used with both the oil pan and valve body cover (Figure 2).
Service Information
1.
If a leak occurs on THM 125/125C transaxle refer to your service manual for diagnostic and disassembly/assembly procedures.
2.
If the oil leak is in the transaxle oil pan or valve body cover area visually inspect the transaxle to determine if the new design parts have been used.
If the unit is of the old design, order service package Part No. 8653942 to correct oil leaks in the oil pan area or service package Part No. 8653943
to correct an oil leak in the valve body cover area. These packages contain the following:
