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December 17, 2021 Service bulletin

Oil leak at rear of transmission service information

Infiniti technical service bulletin ITB21-031 for 2019-2021 Infiniti QX80.

Bulletin number
ITB21-031
Component
Equipment: mechanical
Summary
OIL LEAK AT REAR OF TRANSMISSION SERVICE INFORMATION When diagnosing an oil leak at the rear of the transmission on an applied vehicle, follow the SERVICE PROCEDURE in this bulletin to determine if the origin of the leak is at the rear extension seal, or at the pressed-in plug of the propeller shaft sleeve yoke (Figure 1).

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