A/T - Recommended Maintenance
NO: TSB-9-23-010DATE: October, 1999
MODEL: See Below
SUBJECT:
A/T RECOMMENDED MAINTENANCE
PURPOSE
This bulletin contains recommended automatic transmission/transaxle maintenance information for 1994 and newer Mitsubishi vehicles.
BACKGROUND INFORMATION
Proper transmission/transaxle maintenance is necessary for optimum vehicle performance and vehicle warranty compliance. Please refer to the following quick-reference charts for maintenance intervals and recommendations for automatic transmission vehicles.
AFFECTED VEHICLES
1994-99 3000GT
1995-96 3000GT Spyder
1994-2000 Diamante
1994-2000 Eclipse
1996-99 Eclipse Spyder
1994-96 Expo/Expo LRV
1994-2000 Galant
1994-2000 Mirage
1994-2000 Montero
1997-2000 Montero Sport
1994-96 Truck
RECOMMENDED AUTOMATIC TRANSMISSION/TRANSAXLE MAINTENANCE
Normal Usage Conditions
Severe Usage Conditions
Severe usage conditions affecting automatic transmissions are any or all of the following:
^ Trailer towing or police, taxi, or commercial type operation
^ More than 50% operation in heavy city traffic during hot weather above 90°F
^ Driving off-road
NOTE:
As with normal usage conditions, transmission fluid should be checked every 15,000 miles or every 12 months.
WARRANTY INFORMATION
Future Warranty Coverage Implications
Many automatic transmission/transaxle problems and failures can be attributed to lack of scheduled maintenance.
Dealers should inquire into the previous maintenance records for vehicles brought in during warranty period with problems that occur past the recommended service intervals. Warranty coverage should be denied when scheduled maintenance has not been performed and where the exhibited condition could specifically be attributed to a lack of proper maintenance.