Operation CHARM
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Dodge or Ram Truck
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1991
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D 250 Pickup L6-359 5.9L DSL
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Lockup Torque Converter Diagnosis By Symptom
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A500/A518 4-Speed
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Vibration or Shudder During Lockup Engagement
Vibration or Shudder During Lockup Engagement
1.
Engine out of tune.
2.
Faulty torque converter.
3.
Valve body malfunction.
4.
Faulty oil pump.