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Page Hits: 4688682
NOTICE No: MT000000656
MODEL: Mazda MPV YEAR: 1989-1991
AFFECTED VINs: Lower than JM3 LV5*** M0 331119
SUBJECT: 4WD adapter housing seal modification
DETAILS:

The EC-AT will slip in all forward ranges and reverse due to low ATF level. Because the EC-AT has suffered extensive damage due to slippage, correcting the ATF level will NOT eliminate the problem.

After removing the transfer case, you will notice the extension housing seal has moved out of its bore and is attached to the transfer case input flange. This seal is designed to prevent ATF from mixing with the transfer case gear oil.

Remove the transfer case assembly from the EC-AT and inspect the extension housing seal. If the seal is out of position, replace the old extension housing with new modified housing (below).

Part Information

Part Number Part Name
BV12-19-710E Extension housing (seal included)

Note: Modified housing also includes latest engineering change to eliminate oil leakage from the breather. The area below the breather assembly has a 4mm boss cast into the housing to raise the breather and prevent it from extending too far inward. Use this area to identify the new vs old style housing.

CONSUMER NOTICE:
The information and instructions in this notice are intended for use by skilled technicians. Mazda technicians utilize the proper tools/equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by "do-it-yourselfers." Consumers should not assume this notice applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies, consumers should contact their nearest authorized Mazda dealership.
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