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Hi Guys,
Our member with this problem has finally got to the bottom of this issue and you will be surprised to hear it!
Rather than have a tessalated spacer washer then a split-pin to secure, apparently Nissan just put the split-pin in place and loctite the nut. The Nissan dealer to confirmed that this was normal. Apparently it is.
Therefore if any impact (even a minor kerb bump) were to cause the loctite seal to break, the nut that secures the hub can fairly easily back itself off several turns and allow the hub & wheel bearing to be completely mashed (over time obviously).
This dodgy way of securing the hub in place has DIRECT impact on all the premature bearing wear issues we have been hearing about and which a couple of members from this forum already experienced.
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