How to lower a truck by removing leaf springs

Written by russell wood
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The leaf springs on a truck's rear suspension are designed to support the weight in the bed, as well as keep the rear axle aligned. These springs are named because of the multiple steel "leafs" that form the leaf spring pack. To lower the truck's rear end, removing one or two of those leafs from the pack. This will also decrease the truck's load capacity.

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Things you need

  • Jack
  • Jack stands
  • Wheel chocks
  • Tire iron
  • 1/2-inch ratchet and socket set
  • Pliers

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  1. 1

    Position wheel chocks around the front wheels. Lift the rear of the truck using a jack. Put jack stands under the frame of the truck, as well as under the axle. Take off the rear wheels with a tire iron.

  2. 2

    Lift up the jack slightly, enough just to pick up the rear axle from the jack stands. Unbolt the leaf springs from the axle using a 1/2-inch ratchet and socket. Lower the jack stands for the axle, and lower the axle down onto the stands with the jack.

  3. 3

    Unbolt the centre bolt on the leaf spring with pliers and a 1/2-inch ratchet and socket. Pull the flat leaf off of the bottom of the leaf spring pack. Reinstall the centre bolt on the leaf spring pack with a 1/2-inch ratchet and socket and pliers.

  4. 4

    Lift up the axle with the jack, then reconnect the axle to the leaf springs with a 1/2-inch ratchet and socket. Reinstall the wheels with the tire iron. Jack up the rear end of the truck until you can remove the stands from the rear of the frame and axle. Lower the truck down to the ground with the jack.

Tips and warnings

  • By removing the flat leaf spring in the pack, you're removing the overload spring, which allows the rear end to drop down. If you still want to go further, you can remove additional leafs from the pack. But there is no set rule on how low this will put the rear end of the truck -- meaning it's a trial-by-error process to discover how low you will go. Experiment with the set-up until you get to the height you want, but try to at least have two to three leafs in the pack. Otherwise, you take away the strength in the pack, which could cause failure in the assembly.

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