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Home >> GMC >> 1990 >> Jimmy Full Size V8-350 5.7L >> Repair and Diagnosis >> Transmission and Drivetrain >> Drive Axles, Bearings and Joints >> Axle Shaft Assembly >> Description and Operation >> Four Wheel Drive (4WD)

Four Wheel Drive (4WD)

Cross-sectional view of front driving axle:




Cross-sectional view of front driving axle:





The front axles on these vehicles, are hypoid gear units equipped with steering knuckles retained by either ball joints (V10-20/1500-2500) or king pins (V30/3500). The axle shafts drive the front wheels through yoke and trunnion type universal joints.
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