Operation CHARM
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GMC Truck
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1992
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Yukon V8-393 6.5L DSL Turbo
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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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4L80-E Automatic Transmission
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Slow Application of TCC
Slow Application of TCC
1.
Turbine shaft
seals or pump body bushing worn or ineffective.
2. O-ring heat set.
3. Oil transfer hole cup plug leaking.
4.
TCC solenoid
malfunctioning.
5. Low fluid pressure.