Short of that grab some shellite and wipe it clean then smear some gasket silicone around the leak for a short term fix.

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2009 Thai built D22
Handles much better after EFS torsion bars fitted - castor angle improved giving more positive steering.
ARB Nitrocharger front shocks returned because they foul the upper control arms. Steering box sloppy and play in steering. On the Nissan Australia merry go round of mayhem to get passenger door fixed. Diff still whines but Cepeks mask it with their own chorus.
Navara = Japanese for "We play funny joke on stoopid round eye!"