Operation CHARM
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Oldsmobile
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1993
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Ninety-Eight V6-3800 3.8L
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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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4T60-E Automatic Transaxle
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Harsh 4-3 Downshift
Harsh 4-3 Downshift
1. Control valve assembly check ball No. 10 missing.
2. 3-4 accumulator seal cut or damaged.
3. 3-4 accumulator valve stuck.