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November 1, 2018 Service bulletin

This technical bulletin provides a procedure to replace the rear diff assembly if the oil has leaked into...

GMC technical service bulletin 18NA311 for 2019 GMC Acadia, 2019 Chevrolet Traverse and 2019 Buick Enclave and others.

Bulletin number
18NA311
Component
Power train: driveline: differential unit
Summary
This technical bulletin provides a procedure to replace the rear diff assembly if the oil has leaked into the torque tube causing the rear diff to fail.

Owners of these vehicles have filed 341 complaints in the transmission category.

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