Operation CHARM
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Jeep
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1990
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Comanche 4WD L6-242 4.0L VIN L FI
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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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A727/A904/A998/A999 3-Speed
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Locks Up or Drags In Low or Second
Locks Up or Drags In Low or Second
1.
Sticking fail-safe valve.
2.
Sticking switch valve.
3.
Valve body malfunction.
4.
Faulty oil pump.