Operation CHARM
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Volvo
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1986
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740 L6-2383cc 2.4L DSL Turbo D24T
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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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Faulty Lock-Up
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Groaning Noise After Engagement
Groaning Noise After Engagement
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Probable fault
Engagement at excessively low road speed.
Action
Check signal valve.
Check changeover valve.
Clean and polish valves.