Speedometer Driven Gear - Oil Seal Modification
88mitsubishi02SUBJECT:
SPEEDOMETER DRIVEN GEAR OIL SEAL MODIFICATION
NO. TSB-88-21-004
DATE May, 1988
MODEL 1987 Galant, 1987-1988 Mirage
& 1988 Galant
PURPOSE
This bulletin describes changes made to the speedometer driven gear oil seal of automatic and manual transaxles of the affected vehicles listed below. The oil seal has been modified to improve reliability and to reduce possible speedometer drive gear noise, In addition, the flange shape of the speedometer driven gear sleeve has been changed so that the new type oil seal can be identified easily.
AFFECTED VEHICLES
MODEL TRANSAXLE NUMBER
1987 Galant KM175 & KM210
1987-1988 Mirage KM171, KM200,
KM201 & KM206
1988 Galant KM177 & KM210
EFFECTIVE PRODUCTION DATE AND TRANSAXLE SERIAL NUMBER
The new seal and sleeve have been added to vehicles beginning with the following production dates and transaxle serial numbers.
Production A/T - From December, 1987 T/A Serial A/T - From DY5381
Date: M/T - From August, 1987 Number: M/T - From ER4513
PARTS INFORMATION
Parts Interchangeability
New and old parts are interchangeable.
FIGURE 1:
DETAILS OF CHANGE
Speedometer Gear Oil Seal
The shape of the speedometer gear oil seal has been changed and a garter spring has been added as shown in Figure 1.
FIGURE 2:
Speedometer Driven Gear Sleeve Identification
The shape of the flange of the speedometer driven gear sleeve has been changed as shown in Figure 2.