Diesel Data
: Automotive Repair
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Chevy Truck
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1989
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R 20 P/U 2WD L6-292 4.8L
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Repair and Diagnosis
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Transmission and Drivetrain
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Differential Assembly
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Fluid - Differential
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Specifications
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Locking Differential (G80)
Locking Differential (G80)
This Article has been updated by TSB # 76-02-02A.
SAE 80W-90 GL5 Gear Lubricant, GM P/N 1052271. Do not use limited slip additive.