Maintenance: NVH Infiniti FX50 II

NOISE

Check the propeller shaft tube surface for dents or cracks. If damaged, replace propeller shaft assembly.

VIBRATION

If vibration is present at high speed, inspect propeller shaft runout first.

Scheme 38

1. With a dial indicator, measure propeller shaft runout at runout measuring points by rotating final drive companion flange with hands. Limit Propeller shaft runout: Refer to «PROPELLER SHAFT RUNOUT»(ref-368871-S08650532342010081300000) .
2. If runout still exceeds specifications, separate propeller shaft at final drive companion flange; then rotate companion flange 90, 180, 270 degrees and install propeller shaft.
3. Check runout again. If runout still exceeds specifications, replace propeller shaft assembly.
4. Check the vibration by driving vehicle.

1. Check the propeller shaft tube surface for dents or cracks. If damaged, replace propeller shaft assembly.
2. If center bearing is noisy or damaged, replace propeller shaft assembly.

If vibration is present at high speed, inspect propeller shaft runout first.

Scheme 39

1. With a dial indicator, measure propeller shaft runout at runout measuring points by rotating final drive companion flange with hands. Limit Propeller shaft runout: Refer to «PROPELLER SHAFT RUNOUT»(ref-368867-S01116504502010081300000) .
2. If runout still exceeds specifications, separate propeller shaft at final drive companion flange; then rotate companion flange 120, 240 degrees and install propeller shaft.
3. Check runout again. If runout still exceeds specifications, replace propeller shaft assembly.
4. Check the vibration by driving vehicle.

1. Check the propeller shaft tube surface for dents or cracks. If damaged, replace propeller shaft assembly.
2. If center bearing is noisy or damaged, replace propeller shaft assembly.

If vibration is present at high speed, inspect propeller shaft runout first.

1. With a dial indicator, measure propeller shaft runout at runout measuring points by rotating final drive companion flange with hands. Limit Propeller shaft runout: Refer to «PROPELLER SHAFT RUNOUT»(ref-368913-S23945578232010081300000) .
2. If runout still exceeds specifications, separate propeller shaft at final drive companion flange, then rotate companion flange 60, 120, 180, 240, 300 degrees and install propeller shaft.
3. Check runout again. If runout still exceeds specifications, replace propeller shaft assembly.
4. Check the vibration by driving vehicle.

1. Check the propeller shaft tube surface for dents or cracks. If damaged, replace propeller shaft assembly.
2. If center bearing is noisy or damaged, replace propeller shaft assembly.

If vibration is present at high speed, inspect propeller shaft runout first.

Scheme 40

1. With a dial indicator, measure propeller shaft runout at runout measuring points by rotating final drive companion flange with hands. Limit Propeller shaft runout: Refer to «PROPELLER SHAFT RUNOUT»(ref-368914-S24141125882010081300000) .
2. If runout still exceeds specifications, separate propeller shaft at final drive companion flange, then rotate companion flange 60, 120, 180, 240, 300 degrees and install propeller shaft.
3. Check runout again. If runout still exceeds specifications, replace propeller shaft assembly.
4. Check the vibration by driving vehicle.