Clean the axle and spindle of dirt and grease.With the spindle cleaned, inspect the bearing surfaces for signs of damage. Note the location of the bearings & shims as they are disassembled. Remove and discard the bearing but retain any undamaged shims for possible use later. With this pin removed, drive the king pin down and out of the axle and spindle. Once the dust cap is removed, unbolt and remove the tapered lock pin that is bolted horizontally into the axle housing. Remove the dust cap (soft plug) on top of the spindle by striking it with a chisel on the edge. Clean the backing plate and set aside for installation later. Check the brake shoes for wear and wheel cylinders for leakage. With the bolts removed, the backing plate will slide off of the axle, exposing the spindle, axle and king pin. Remove these, taking note that some applications will have two different size and/or different length bolts. There will be four main mounting bolts that hold the backing plate to the spindle. Also cover the end of the brake hose with a plastic bag and seal with a rubber band. When removing hydraulic brake hoses press a rubber plug into the opening on the wheel cylinder. This would include brake housings and cables on mechanical brake systems or brake hoses on hydraulic systems. This plate must be removed but anything connecting the backing plate to the chassis must be removed first. This will expose the brake backing plate. With the hub removed, slide the inner bearing dust shield and inner race off of the spindle. Check closely for pitting in the balls or races. This is a good time to inspect the condition of the wheel bearings and repack them with fresh grease. Pull the hub & brake drum off while keeping the outer bearing from falling out of the hub. Remove the hub dust cover, cotter pin and spindle nut. Jack up the front of the vehicle and place it on good quality, four point jack stands. FS-112 KING PIN REPLACEMENT King pins on early Chevrolet cars and trucks require pressing bushings into the spindle and using a reamer to fit the pin to the bushings.
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