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Drive Belt Tension

BELT ADJUSTMENT

Application (1) Tension - Lbs. (kg)
2.5L, 2.8L & 3.1L (1)
4.3L, 5.0L & 5.7L
New Belt 135 (61.2)
Used Belt 90 (40.8)
6.2L Diesel
New Belt 146 (66.2)
Used Belt 67 (30.4)
7.4L
New Belt 129.4-140.6 (58.7-63.8)
Used Belt 84.4-95.6 (38.3-43.4)
(1) Serpentine belt tension is maintained automatically by a spring-tensioned idler pulley. No adjustment is necessary.