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Home >> Ford >> 2022 >> Mustang Mach 1 Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Automatic Transmission - 7-Speed Automatic Transmission - Tr9070 (Diagnosis And Testing, General Procedures, Removal And Installation)) >> Diagnosis And Testing >> Diagnosis By Symptom >> Pinpoint Tests >> Pinpoint Test G: Coast Down Grinding Noise

Pinpoint Test G: Coast Down Grinding Noise

WARNING: This page is about a different variant/trim than selected.
  1. Normal Operation and Fault Conditions 

    • Output shaft, shift fork, shift rod, gear wear or damage, bearing wear or damage 

      • Drive the vehicle to a speed of 80 km/h (50 mph), then release the accelerator pedal and let the vehicle coast down to 32 km/h (20 mph). If excessive noise occurs, INSTALL a new transmission. REFER to: Transmission 

    Possible Sources 

    • Output shaft
    • Shift fork
    • Shift rod
    • Gear wear or damage
    • Bearing wear or damage

  2. Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods