GMC Workshop Service and Repair Manuals > V 3500 P/U 4WD V8-350 5.7L (1989) > Engine, Cooling and Exhaust | Engine | Drive Belts, Mounts, Brackets and Accessories | Drive Belt Tensioner | Component Information | Technical Service Bulletins

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Drive Belt Tensioner: Service and Repair

Fig. 43 Serpentine drive belt routing. 4.3L/V6-262, 5.0L/V8-305 & 5.7L/V8-350

Fig. 44 Serpentine drive belt routing. 7.4L/V8-454

GMC Workshop Service and Repair Manuals