Diesel Data
: Automotive Repair
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Chevy Truck
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1988
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S10/T10 P/U 4WD L4-151 2.5L
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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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Transmission Downshifts at High Vehicle Speeds
Transmission Downshifts at High Vehicle Speeds
1. Selector lever shaft retaining pin dropped out.
2. Loose selector lever linkage to manual valve connection.
3. Pressure leak at
governor
.