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Home >> Infiniti >> 2021 >> Q50 Signature Edition, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Transfer Case (Service Information)) >> Periodic Maintenance >> Front Propeller Shaft >> FRONT PROPELLER SHAFT : Periodic Maintenance Operation >> AWD models >> Vibration

AWD models: Vibration

WARNING: This page is about a different variant/trim than selected.

If vibration is present at high speed, adjust the propeller shaft phase first.

  1. Check the propeller shaft for bend and damage. If damaged, replace propeller shaft assembly.
  2. Perform a cruise test drive to check the propeller shaft for runout. If vibration occurs, separate propeller shaft at final drive companion flange; then change the phase between companion flange and propeller shaft by the one bolt hole at a time and install propeller shaft.
  3. If vibration is still detected, measure propeller shaft runout after removing it. Refer to FRONT PROPELLER SHAFT : Inspection .
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