The control arms on a 1969 Chevrolet C-10 pickup are integral parts of the front suspension. If you want to lower or raise the ride height of your C-10, one way to do it is to install new upper and lower control arms that incorporate lifting or lowering features. Alternatively, if you want to restore your old pickup, removing the arms for refurbishment will ensure that the alignment of the vehicle stays true. Replacing the control arms should take about an hour for you to do per side.
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Things you need
- Jack stands
- Tire iron
- Open-end wrench set
- 3/8-inch ratchet and socket set
- Cotter pin puller tool
- Upper control arms
- Lower control arms
- Cotter pins
Lift up the front of the C-10 with the jack, then set it on the jack stands. Be sure that the vehicle is completely and solidly on the stands prior to working on the vehicle. Take off the front wheels using the tire iron and set them out of the workspace.
Put the head of the jack underneath the lower control arm. Pump up the jack until the head touches the bottom of the arm. Remove the cottar pins holding the upper and lower balljoint nuts in place, using the cottar pin puller. Unbolt the upper control arm ball joint nut from the front spindle with an open-end wrench. Strike the side of the spindle with the hammer until the upper control arm comes free from the spindle. Lift the arm off of the spindle.
Unbolt the upper control arm from the frame using the 3/8-inch ratchet and socket. Pull the arm off of the frame and set it to the side. Install the replacement arm onto the frame, making sure that the alignment shims that were on the stock arms are on the new arms. Bolt them to the frame using the 3/8-inch ratchet and socket. Install the upper control arm ball joint into the stock spindle with the wrench. Install a new cottar pin by hand.
Unbolt the lower control arm ball joint nut using an open-end wrench. Unbolt the inboard lower control arm mounting U-bolts with an open-end wrench, then slowly lower the jack to release tension on the spring. Remove the stock arm and set it to the side.
Install the spring in the spring pocket on the frame. Attach the lower control arm bolts loosely to the frame with your hands. Jack up the new lower control arm into the spindle using the jack. Bolt the lower control arm ball joint to the spindle with the 3/8-inch ratchet and socket. Install a new cottar pin by hand. Tighten the bolts on the frame mounts for the lower control arm.
Reinstall the front wheels with the tire iron. Raise the C-10 above the jack stands, using the jack. Remove the stands and lower the vehicle to the ground.
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