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GMC Truck
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1989
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S15/T15 4WD Jimmy V6-262 4.3L
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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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3L30 (180/180C) Automatic Transmission
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Drive In R But Not In D, L2 or L1
Drive In R But Not In D, L2 or L1
1. Worn
band
, slipping.
2. Band servo piston jamming.
3. Excessive leak in band servo.
4. Parking pawl does not disengage.