Checking wheel rim for lateral and radial runout (Cooper)
Preliminary work needed:
- Remove WHEEL
- Check front and rear wheel for face and RADIAL RUNOUT
- Detach TIRE off rim
- Remove fitted balance weights
- Remove dirt from rim base and rim flange
IMPORTANT:
Disc wheels must not be repaired!
Mount disc wheel in balancing machine.
Use suitable wheel centering element supplied with corresponding balancing machine.
- Base flange
- Wheel centering element
- Type flange
- Clamping nut
Also refer to section on BMW's Workshop Equipment.
Place dial gauge sensor on rim shoulder.
Turn wheel hand force and measure max. radial runout.
Carry out measurement on both rim shoulder sides.
NOTE:
Dial gauge must be vertical to rim shoulder.
Position sensor on rim flange.
Turn wheel hand force and measure max. axial runout.
Carry out measurement on both rim flanges.
NOTE:
Dial gauge must be vertical to rim flange.
IMPORTANT:
Avoid clamping errors during subsequent installation tasks.