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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1210 (Front Final Drive) >> Front Final Drive Assembly >> Pre-Inspection >> Companion Flange RUNOUT

Companion Flange RUNOUT

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. Fit a dial gauge onto the companion flange face (inner side of the propeller shaft bolt holes).
  2. Rotate the companion flange to check for runout.
    1. Runout limit: 0.10 mm (0.0039 in) 
  3. Fit a test indicator to the inner side of the companion flange (socket diameter).
  4. Rotate the companion flange to check for runout.
    1. Runout limit: 0.13 mm (0.0051 in) 
    Fig 1: Rotating Companion Flange, Checking For Runout
    G02383378Courtesy of NISSAN MOTOR CO., U.S.A.
  5. If the runout value is outside the repair limit, follow the procedure below to adjust.
    1. Check for runout while changing the phase between companion flange and drive pinion gear by 90° step, and search for the point where the runout is the minimum.
    2. If the runout value is still outside of the limit after the phase has been changed, replace the companion flange.
    3. If the runout value still outside of the limit after the companion flange has been replaced, check pinion bearing and drive pinion assembly.
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