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After you remove the tire, the drim should slide off. If it doesn't then try using a rubber mallet and gently tap on the outside edge as you pull on it. Sometimes you also need to tap on the drum in the center part. I have sprayed penetrating lubes like WD-40 or PB Blaster into the seam at the center. You may also have to back off the parking brake cable or even use the adjuster to back off the shoes.
Depress and turn the retainers for the
hold-down springs and pins to remove them from each shoe. Slide the brake shoe assembly--including the
shoes and springs--down so you can disengage the top ends of the shoes
from the cylinder and tilt them to lift them past the retaining plate.
Unhook the lower retracting spring from the
front brake shoe to disconnect it. Spread the shoes apart at the bottom
to remove the adjusting screw, the screw's retracting spring and the
adjuster lever. Remove the front brake shoe.
Pull the parking brake cable spring back with diagonal cutting pliers,
grip the cable with the pliers without cutting it, unhook the cable from
the parking brake lever and remove the rear brake shoe with the lever.
Disconnect the parking brake lever from the rear shoe by spreading the
retaining clip with a screwdriver and removing the clip and its spring
washer.
Step 4
Pull the parking brake cable spring back with diagonal
cutting pliers, grip the cable with the pliers without cutting it,
unhook the cable from the parking brake lever and remove the rear brake
shoe with the lever.
Step 5
Disconnect the parking brake lever from the rear shoe by
spreading the retaining clip with a screwdriver and removing the clip
and its spring washer.
Step 3
Unhook the lower retracting spring from the front brake shoe
to disconnect it. Spread the shoes apart at the bottom to remove the
adjusting screw, the screw's retracting spring and the adjuster lever.
Remove the front brake shoe.
Step 4
Pull the parking brake cable spring back with diagonal
cutting pliers, grip the cable with the pliers without cutting it,
unhook the cable from the parking brake lever and remove the rear brake
shoe with the lever.
Step 2
Slide the brake shoe assembly--including the shoes and
springs--down so you can disengage the top ends of the shoes from the
cylinder and tilt them to lift them past the retaining plate.
Step 3
Unhook the lower retracting spring from the front brake shoe
to disconnect it. Spread the shoes apart at the bottom to remove the
adjusting screw, the screw's retracting spring and the adjuster lever.
Remove the front brake shoe.
Step 4
Pull the parking brake cable spring back with diagonal
cutting pliers, grip the cable with the pliers without cutting it,
unhook the cable from the parking brake lever and remove the rear brake
shoe with the lever.
Step 5
Disconnect the parking brake lever from the rear shoe by
spreading the retaining clip with a screwdriver and removing the clip
and its spring washer.
Step 2
Slide the brake shoe assembly--including the shoes and
springs--down so you can disengage the top ends of the shoes from the
cylinder and tilt them to lift them past the retaining plate.
Step 3
Unhook the lower retracting spring from the front brake shoe
to disconnect it. Spread the shoes apart at the bottom to remove the
adjusting screw, the screw's retracting spring and the adjuster lever.
Remove the front brake shoe.
Step 4
Pull the parking brake cable spring back with diagonal
cutting pliers, grip the cable with the pliers without cutting it,
unhook the cable from the parking brake lever and remove the rear brake
shoe with the lever.
Step 5
Disconnect the parking brake lever from the rear shoe by
spreading the retaining clip with a screwdriver and removing the clip
and its spring washer.
Item
Part Number
Description
1
2069
Brake Shoe Hold-Down Spring Pin
2
—
Rear Wheel Cylinder Retaining Bolt (2 Req'd)
3
—
Washer (2 Req'd)
4
—
Anchor Pin (Part of 2211)
5
—
Wheel Cylinder
6
2028
Brake Shoe Anchor Pin Guide Plate
7
2A637
Parking Brake Lever
8
2296
Brake Shoe Retracting Spring (Short)
9
2296
Brake Shoe Retracting Spring (Long)
10
2200
Rear Brake Shoe and Lining (Secondary)
11
—
Washer
12
2106
Parking Brake Lever Pin Retainer
13
—
Brake Shoe Adjusting Lever Cable Guide
14
2A642
Primary Brake Shoe Parking Brake Lever Link
15
2A601
Parking Brake Link Spring
16
2068
Brake Shoe Hold-Down Spring
17
2A176
Brake Shoe Adjusting Lever
18
2048
Brake Shoe Adjusting Screw Socket
19
2047
Brake Shoe Adjusting Screw Nut
20
2041
Brake Adjusting Screw
21
2049
Brake Shoe Adjusting Screw Spring
22
2200
Rear Brake Shoe and Lining (Primary)
23
2A178
Brake Shoe Adjusting Lever Cable
24
2211
Brake Backing Plate
Heavy Duty Rear Brake
Item
Part Number
Description
1
—
Rear Wheel Cylinder Retaining Bolt
2
00538
Lock Nut
3
2212
Rear Brake Backing Plate
4
2262
Rear Wheel Cylinder
5
2A642
Primary Brake Shoe Parking Brake Lever Link
6
2A601
Parking Brake Link Spring
7
2A637
Parking Brake Lever
8
2106
Parking Brake Lever Pin Retainer
9
—
Parking Brake Lever Bolt
10
—
Secondary Shoe Assembly
11
2A179
Brake Shoe Adjusting Lever Cable Guide
12
2068
Brake Shoe Hold-Down Spring
13
—
Adjusting Lever Pin
14
—
Adjusting Lever Return Spring
15
2A176
Brake Shoe Adjusting Lever
16
2047
Brake Shoe Adjusting Screw Nut
17
2049
Brake Shoe Adjusting Screw Spring
18
2041
Brake Adjuster Screw
19
—
Primary Shoe Assembly
20
2068
Brake Shoe Hold-Down Spring
21
2200
Rear Brake Shoe and Lining
22
2035
Brake Shoe Retracting Spring
23
2A178
Brake Shoe Adjusting Lever Cable
24
2092
Brake Adjusting Hole Cover
25
2069
Brake Shoe Hold-Down Spring Pin
The rear drum brakes:
Have internal shoes that expand against the brake drum (1126).
Are a single-anchor type.
Are actuated by one rear wheel cylinder (2262).
Have two pistons in the rear wheel cylinder (2261). One exerts force against the upper end of the primary shoe; the other exerts force against the upper end of the secondary shoe.
Adjust rear brake shoes and linings (2200) automatically.
Need manual brake adjustment if the adjusters are not operating properly or after the rear brake shoes and linings have been replaced.
When the brake pedal is applied, hydraulic fluid pressure forces the pistons in the rear wheel cylinder outward, moving the rear brake shoes and linings against the brake drum.
The rear drum brake system includes the parking brake mechanism. Refer to Section 206-05 .
i think your aware of how to change the brakes if im right and your problem is the rusted drum doesnt want to come off the only way to get the old drum off is to remove adjuster plug from behind drum dustshield and adjust the shoes so that there not even close to the braking area of the drum then try and wiggle the drum off of the assembly if it is not coming off then you need to use the old nylon hammer on the drum and i mean you must hit the drum from side to side trying by hand to wiggle the drum off its a tight fit and you need to strike the drum on the face not on the fins not wanting to damage with persistance and care and patience you will eventually be able to remove the drum to service brakes take care and good luck with it
Not wanting to be too general but at least trying to help I would suggest
looking under the back end, and specifically at the rear backing plates
and to the insides of the rear wheels, to see if you notice any fluids
dripping. If these are drum brakes, then you could very well have either
a wheel cylinder leaking brake fluid, causing the brake shoe linings to swell
up, or it could be a leaking axle seal, allowing differential gear lube out,
which will also cause the linings to swell, and minor braking will cause
that particular side to lock up.
If this vehicle has rear disk brakes, or was just recently changed from
rear drum brakes to rear disk brakes, it is possible that the proportioning
valve in the brake line was not changed to match with the disk setup.
Drum brakes operate at approximately ten pounds per square inch pressure (10 PSI)
whereas disk units operate at a lower pressure of about 2 PSI.
Just some things to look at. Some brake fluids have no smell, others
are very distinctive in odor, and differential gear lube has a very
distinct odor...not hard to miss once you've smelled it.
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