Front Axle Tech Service Bulletins (TSB) give complete coverage of procedures, special tools, and specs. you need to correctly perform specific service procedures on the Dana-Spicer Model 44, Dana-Spicer Model 60, and GM 10 Bolt 8.5" Front Drive Axles in your 1973-1991 GM built 4x4's.    Download files require Adobe® Reader® 7.0 or higher preferred.  All files are enabled for high resolution printing.   

1973-1991 Chevrolet and GMC Monobeam Front Axle Applications:
Dana-Spicer Model 44: 1973-1976 all Blazer, Jimmy, K10, K15, K20, K25
Dana Spicer Model 44: 1977-1980 (Partial) Blazer, Jimmy, K10, K15, K20, K25
GM 10 Bolt 8.5" Ring Gear: 1977-1980 (Partial) Blazer, Jimmy, K10, K15, K20, K25
GM 10 Bolt 8.5" Ring Gear: 1982-1991 All except 1 ton
Dana-Spicer Model 60: 1977-1991 All 1 Ton K30, K35, K3500, V3500, CUCV

 
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TSB4715 Front Wheel Bearing Service 1977½-1991 GM Full Size SUV's. 1/2 Ton, and 3/4 Ton Trucks with Manual Locking Hubs
Replace or repack the Front Wheel Bearings on your Chevy Blazer, GMC  Jimmy, 1/2 Ton or 3/4 Ton Truck yourself.  This TSB give you complete coverage in both text and photos to help you service your wheel bearings and manual locking hubs.  Includes step-by-step Service Procedures, Torque Specs, Adjustment Values, Tool Numbers, and Lubricant Recommendations.  5 Pages, 25 color photos,  582 KB,   PDF download file.

TSB4715 Front Wheel Bearing Service 1977½-1991 GM Full Size SUV's. 1/2 Ton, and 3/4 Ton Trucks with Manual Locking Hubs
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TSB Front Axle Shaft Service.
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