when turning getting noise from back drive shafts.automatic.is this bushes on 1997 Toyota RAV4

when turning on a lock the shafts in back axle are knocking.Its like its going in and out of the gear. someone told me i needed bushes in the shafts but i dont know.

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1 answer 3 comments
POSS REAR DIFF FLUIDS ARE WORN OUT,VERY COMMON. SERVICE REAR DIFF WITH HONDA REC FLUIDS AND ADDITIVES.
thank you very much for your quick reply . will try this and fingers crossed. Can you help me with this oil
HONDA REC FLUIDS AND ADDITIVES. Im in uk and have tried to google this,but nothing comes up
CALL HONDA AS THEY WILL HAVE IT
many thanks