Econoline E550 V10-6.8L VIN S (2003)
Suspension Spring ( Coil / Leaf ): Specifications
Leaf spring-to-axle U-bolt nut .............................................................................................................................................................. 176 Nm (130 ft. lbs.)
Leaf spring-to-front bracket bolt ........................................................................................................................................................... 400 Nm (295 ft. lbs.)
Leaf spring-to-rear shackle nut and bolt ................................................................................................................................................. 115 Nm (85 ft. lbs.)
Leaf spring shackle-to-frame bracket nut and bolt ................................................................................................................................ 150 Nm (111 ft. lbs.)