Bongo Fury

Thought this Mazda service bulletin for the RX8 might be of interest to anyone running on Mazda 18" RX8 Wheels.

DISCRIPTION
When turning, the front wheels receive side force, the joint surface of the aluminium wheel slightly deforms, allowing the the wheel and brake disc hub to slip against each other. As a result a stick-slip noise occurs.

REPAIR PROCEDURE
Remove any anti-corrosion treatment from the mating surfaces of the wheel and brake disc hub with 100grit sand paper and clean with brake cleaner. Re tighten lug nuts to a revised wheel torque spec of 147Nm [108 ft-lb] !

Where did you find this Mark?

Could be useful if official Mazda info, although no problems have been reported by Bongo owners with RX8s fitted. . . .

Found this on the RX8 Forum, Mazda Bulletin No: 02-002/04, Last Issued 2004. Subject: Snapping Noise when turning at low speed-18" wheels.
My thoughts are that the wheel is moving on the hub causing noise on the RX8, maybe the cause of slight judder on the Bongo? Big increase in tourque from 88Nm to 147Nm. to hold the wheel still.