Technical Service Bulletins

Don’t Forget the Breather

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Don’t Forget the Breather

Toyota strongly recommends replacing the breather plug whenever servicing any differential/transfer case to prevent possible repeat failures.

The use of the original breather plug after a repair has been found to contribute to the failure of the differential/transfer case components.

Applicable vehicles include 4Runner, FJ Cruiser, Land Cruiser, RAV4, Tacoma and Tundra.

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