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Installation
date: 3/18/00
So,
it's time to replace the shoes in those pesky drum brakes and you
want to save a little $$$ and have the satisfaction of doing the job
yourself...Well, here's how to do it:
note:
I strongly recommend getting a factory service manual (FSM) or a Chilton's
manual before attempting this job, they will have good instructions
and detailed diagrams showing each part and what it's named. Also,
do one side at a time so you can use the other side as a reference
on how everything's supposed to go.
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First off,
jack up the back of the Jeep, support it on jack stands, and
remove the rear wheels. Make sure the parking brake is NOT on,
otherwise you'll never get the drums off.
If this
is the first time your drums are being serviced you'll need
to remove the "spring nuts" that hold the drums on.
These are used in the factory to hold the drums on during assembly,
so just throw them away, you won't need them anymore. Now
pull the drums off. If they don't want to come off easily, a
few light whacks with a hammer should loosen them up.
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Inspect
the inside of the drums. If the drums are scored or rough, you'll
need to have them turned. Most auto parts stores should be able
to do this for you for pretty cheap. My drums looked fine so
I didn't bother with having them turned.
Once you
get the drums off you should see a scene like this. Grab a can
of brake cleaner and spray the brake assembly down to clean
it. Caution:
brake shoes contain asbestos so never use compressed air to
clean the brakes and avoid inhaling any dust from any brake
surface. Just to be on the safe side I wore a filter mask while
I cleaned out the brake assemblies.
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Now it's
time to start taking apart the brakes. First remove the shoe
spring shown here, just above the adjustment starwheel. I found
a pair of needle-nose pliers works pretty good for this job.
Next unhook
the adjuster cable from the adjuster lever and remove the adjuster
lever. A repair manual (Chilton's, FSM, etc.) will show you
exactly what these are.
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Next remove
the shoe return springs. These are pretty strong little springs,
so I'd recommend wearing eye protection, just in case. There
is a special tool available at most auto parts stores design
specifically for removing these springs. I found that a pair
of lock pliers worked better for getting the first spring off
though.
If you look
in the bottom right corner of this photo, you can see the adjuster
cable hanging loose.
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The brake
spring removal tool (about $6 at AutoZone) worked great for
getting the second return spring off the anchor pin, but you
could use lock pliers for this spring also. The adjuster cable
will come off the anchor pin once you remove the second return
spring. The guide for the adjuster cable is hooked on this return
spring, so don't worry about taking the cable guide off the
spring.
One end
of the brake spring removal tool is used for removing the springs,
the other end is used for putting the springs back on, you'll
see how later on.
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Now it's
time to remove the holddown spring retainer. There is also a
special tool just for this job (about $6 at AutoZone), but it
doesn't work well on the Dana 35's drum brakes. I ended up using
a pair of needle-nose pliers to remove the retainers. The retainers
twist-lock onto holddown pins that go through the support plate
and the shoe itself.
Once the
retainers are removed the shoes should fall right off, so watch
out. Remove the leading shoe first and pull out the parking
brake strut and spring before moving on to the trailing shoe.
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This is
what it should look like once all the shoes, springs, and cables
have been removed. The parking brake cable lever hooks into
the shoe you just removed. You can see the parking brake cable
lever hanging in this photo.
Now is a
good time to hose down the assembly with brake cleaner so you
have a nice, clean assembly for your new shoes. Again, watch
the dust, I put the filter mask back on to clean the assembly
again.
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Time
to put it all back together...
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