Suspension Spring ( Coil / Leaf ): Specifications

Leaf Spring to Front Hanger Mounting Nut 110 Nm + A 200 Degree Turn (80 ft. lbs. + A 200 Degree Turn)
Leaf Spring U Bolts Retaining Nuts (All 1500 Series) 85 Nm (63 ft. lbs.)
Leaf Spring U Bolts Retaining Nuts (All 2500 Series and 3500 Series Cargo and Passenger Vans and Cutaways With 9Q4) 140 Nm (103 ft. lbs.)
Leaf Spring U Bolts Retaining Nuts (3500 Series Cutaways Without 9Q4) 147 Nm (108 ft. lbs.)