Fluid leak from the front differential case actuator motor plastic threads service information

Bulletin number

NTB23-023B

Component

Power train

Summary

FLUID LEAK FROM THE FRONT DIFFERENTIAL CASE ACTUATOR MOTOR PLASTIC THREADS SERVICE INFORMATION Figure 1 Figure 2 If the front differential has a fluid leak coming from the actuator motor plastic threads (Figure 1): a. Place an alignment mark on the splined actuator body and the gear carrier (Figure 2). b. Remove the actuator and thoroughly clean the threads, making sure not to allow RTV to fall into the differential case. c. Once clean, apply Three Bond sealant to the threads, and then reinstall the actuator motor, making sure to line up the alignment marks. d. Check the front differential gear oil level and top to specification. o Refer to the ESM: TRANSMISSION & DRIVELINE > DRIVELINE > FRONT FINAL DRIVE: MA235/MA210 > PERIODIC MAINTENANCE > FRONT DIFFERENTIAL GEAR OIL DO NOT replace the front differential due to a fluid leak from the actuator motor plastic threads unless there has been consequential damage due to fluid loss (bearing failure or gear noise) to the front differential.

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