K 2500 Truck 4WD V8-393 6.5L DSL Turbo (1992)
Vacuum Pump: Adjustments
Place V-belt tension gage, P/N J 23600-B, at the center of the greatest span.
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Tighten new belt to 650 N (146 lb)
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Tighten old belt to 300 N (67 lb)
Never exceed new belt specifications when tightening any belt.
