Cvt Automatic Gearbox Output Shaft For Ford F-150 6R80

Typical Faults:

1. Spline Wear

   • Symptom: Clunking on acceleration/deceleration

   • Cause: Micro-movement from torque reversals

2. Bearing Surface Scoring

   • Symptom: Whining noise at highway speeds

   • Trigger: Contaminated fluid or misalignment

3. Seal Groove Erosion

   • Symptom: Persistent fluid leaks

   • Root Cause: Abrasive debris in ATF

Critical Checks:

• Runout: >0.08mm requires replacement

• Spline Play: >0.2mm rotational movement = fail

• Hardness Test: Should be 58-62 HRC

Pro Tip: Always inspect companion flange wear – grooving indicates need for simultaneous replacement.