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Support the vehicle properly, either by jack stands or 2-post lift.
Remove the rear leaf springs. If you need instructions a good repair
manual such as Chilton or Mitchell will be useful. Using a hydraulic press remove both front spring eye bushings.
Working on one spring at a time, proceed as follows
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Locate the front bushing in your kit. They are the largest bushings
and should be pre-assembled. Remove the white thrust washers and slide
the steel pin out of the bushings. The small white thrust washers will
come off easy. Install the grease fitting into the Del-a-lum bushing for
the front eyelet. Lube the spring eye to facilitate pressing in the
bushing. Press the front bushing in from the outboard side of the
spring and position the grease fitting towards the
7 o’clock position on the passenger
side and
5 o’clock position on the driver side.
Note: When completed all the grease fittings will be on the outboard
side. Press the bushing in until the grease fitting just touches the
leaf spring.
Swing the leaf around and press the rear eyelet bushing into the
leaf. First install the grease fitting into the bushing. Lube the spring
eye with a little grease. Line the grease fitting up with the split in
the leaf. Remember to keep the grease fittings towards the outside of
the car. Index the grease fitting at the 5 o’clock position on the
passenger side and 7 o’clock position on the driver side. Press the
bushing in until the grease fitting just touches the leaf spring.
Installation of the frame bushing requiring you to clean the hole in the frame thoroughly before installing the
bushing. All rust must be removed or the bushing will get hung up
during the installation. Do not hammer on the bushing when
installing. You will damage it. Position the bushing with the
large hole in the side at the 5 o’clock position on the passenger
side, 7 o’clock on the driver side. Be sure the hole is towards the
outside of the car. Place grease inside the frame hole and push the
bushing into the frame. Note: A simple tool you can make for
installing the frame bushing is to buy a 8 inch piece of ½ inch
all-thread rod from the hardware store, 2 ½ nuts for the rod, and a
couple of flat plates with a ½ inch hole drilled in them. Slide the
all-thread rod through the bushing and frame. Next place one flat
plate on each side of the assembly followed by the nuts. Simply wrench
the nuts down and the bushing will pull into the frame. The bushing
should seat flush on both sides.
Drill a #3 hole (.210) in the frame rail, aligned with the side
hole in the bushing. Tap the hole with a ¼ x 28 tap and install the
grease fitting.
Install the plastic inserts into the bushings you just pressed in.
Use grease inside the bushing housing and in the inserts. We
recommend water-resistant grease. Most synthetics are water-resistant.
The insert should be self-explanatory. Short insert goes into the frame,
long insert with ½ inch hole goes in the rear leaf eyelet, and the front
bushing has the steel pin.
Next install the thrust washers on the front bushing. Make sure you
have lubricated the pin and insert. Place the thin washer with the ¾ id
hole on the pin next to the grease fitting side of the bushing. The
other washer with the ¾ hole goes on the opposite side. If the thin
washer will not stay on the pin, don’t worry. When you install the leaf
in the frame the washer will index. At this time you want to install the
front of the leaf spring with thrust washers into the vehicle. Install
the factory bolt and nut. Do not torque the bolt yet.
Installing the rear shackles is next. There are 3 different
thickness thrust washers all with ½ inch holes. You must install the
washers in the correct location in order for the shackle to function
properly. First locate one shackle halve with the bolts welded in it.
This is the outer shackle. Takes one of the thickest thrust washers
(.400) and slide it on the bolt of the shackle. Locate the thinnest
thrust washer (.100) and slide it on the bolt below the (.400) thrust
washer. Place a little grease on the surface of the thrust washer and
bolt. Lift the back of the leaf up close to the frame and slide the
shackle into the inserts of the leaf and frame bushing. After the bolts
protrude past the inside of the bushing. Slide one (.200) middle size
thrust washer on each bolt. Lubricate the thrust washers. Take the other
half of the shackle and slide it onto the bolts. The leaf is now hanging
in the car. Place ½ inch nuts on the shackle bolts. Run the nuts down
until they contact the shackle plate and the thrust washers are taken
up. Do not torque the nuts or
run them down hard. Only go 1/8 of a turn on the wrench after the thrust
washers and shackle plates have made contact.
If you over torque the shackle bushings you will
lock the shackle up from moving and create a harsh ride. Set properly the bushings will be unnoticed and give you
long service. Torque the front eye bushing to 65 foot pound
You do not need the vehicle on the ground to torque the
bushings.

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