Need rear brake assembly - 1978 Chevrolet Chevette

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Remove the rear wheel, if the vehicle has rear disc brakes remove the brake caliper and brake rotor, If the vehicle has drum brakes , slide the drum off. Remove the 4 hub mounting bolts located on the back side of the backing plate.Using a hammer tap on the hub assembly (near the wheel studs) Reverse the steps to install the new hub assembly.

if your talking about the part that every thing is assembled on to its called a spindle

Brake Pads
Removal & Installation
Front





3.4L front disc brake assembly









4.0L and 4.7L front disc brake assembly




To Remove:

1. Before servicing the vehicle, refer to the precautions in the beginning of
   this section.
   
2. Remove or disconnect the following:
   
   
   
   • Front wheel
     
   • Clip, 2 caliper pins, the anti-rattle spring then remove the 2 brake pads
     and the 4 anti-squeal shims

To Install:

CAUTION
Only replace brake pads on 1 side of the
vehicle at a time. Failure to use this procedure could cause the caliper pistons
on the opposite side of the vehicle to pop out requiring the reconditioning or
replacement of the brake caliper.

1. Remove a small amount of brake fluid from the master cylinder.
   
2. Install a used brake pad into the caliper and compress the caliper pistons.
   
3. Apply disc brake grease to both sides of the inner anti-squeal shims.
   
4. Install or connect the following:
   
   
   
   • Anti-squeal shims to the new brake pads
     NOTE: When replacing worn pads, the anti-squeal shims must be replaced
     together with the pads.
     
     
   • 2 brake pads
     
   • Anti-rattle spring and the 2 caliper pins
     
   • Clip
     
   • Front wheel
   
   
5. Depress the brake pedal several times to seat the brake pads.
   
6. Check the brake fluid level and top off as needed.

Rear
To Remove:

1. Before servicing the vehicle, refer to the precautions in the beginning of
   this section.
   
2. Remove or disconnect the following:
   
   
   
   • Rear wheel
     
     
     
     
     
     
     
     
     
     
     
   • 2 cylinder slide pins from rear caliper assembly
     
   • Caliper assembly from rear caliper mounting
     
   • 2 brake pads with anti-squeal shims from rear caliper mounting
     
   • 2 anti-squeal shims from each disc brake pads
     
   • Pad wear indicator plate from the inner side disc brake pad
     
   • 4 pad support plates from the rear caliper mounting

To Install:

1. Install or connect the following:
   
   
   
   • 4 pad support plates on the rear caliper mounting
     
   • Pad wear indicator plate on the inside brake pad
     Note: Install the pad wear indicator facing downward.
     
     
   • Anti-squeal shims on each brake pad
     
   • 2 disc brake pads with anti-squeal shims to the caliper assembly
   
   
2. Apply lithium soap base glycol grease to the sliding part of 2 caliper slide
   pins.
   
3. Install or connect the following:
   
   
   
   • Disc brake caliper assembly with 2 caliper slide pins
     
   • Torque to 65 ft-lbs (88 Nm)
     
   • Rear wheel
   
   
4. Depress the brake pedal several times to seat the brake pads.
   
5. Check the brake fluid level and top off as needed.

--- Removal & Installation
Front
To Remove:

1. Before servicing the vehicle, refer to the precautions in the beginning of
   this section.
   
2. Remove or disconnect the following:
   
   
   
   • Front wheel
     
   • Front brake caliper assembly
   
   
3. Make matchmarks on the disc and the axle hub.
   
4. Remove the front disc.

To Install:

1. Align matchmarks and disc onto axle hub.
   
2. Install or connect the following:
   
   
   
   • Front brake caliper assembly with the 2 bolts
     
     
     
     1. Torque to 90 ft-lbs (123 Nm)
     
     
   • Front wheel

If the following is not enough then maybe try Alldata.com which generally has more information, but it will cost: REMOVAL & INSTALLATION Chrysler Concorde, New Yorker, LHS Dodge Intrepid Eagle Vision

1. Remove the rear wheels and brake drums.
2. Remove the dust cap from the rear hub and bearing assembly.
3. Remove the cotter pin, nut retainer and wave washer. Discard the old cotter pin.
4. Remove the rear hub and bearing assembly retainer nut and washer. Remove the rear hub and bearing assembly from the spindle.
5. Remove the automatic adjuster spring from the adjuster lever.
6. Rotate the automatic adjuster starwheel enough so both shoes move out far enough to be free of the wheel cylinder boots.
7. Disconnect the parking brake cable from the actuating lever. Disconnect parking brake cable one side at a time.
8. Remove the both lower brake shoe to anchor springs.
9. Remove the 2 brake shoe hold-down springs from the brake shoes.
10. Remove the brake shoes, upper shoe-to-shoe return spring, automatic adjuster and automatic adjuster lever from the backing plate as an assembly.
11. Separate the brake shoes from the automatic adjuster mechanism.
12. Remove the brake shoe automatic adjuster lever from the leading brake shoe. To install:
    
13. Thoroughly clean and dry the backing plate. To prepare the backing plate, lubricate the bosses, anchor pin and parking brake actuating lever pivot surface lightly with lithium based grease.
14. Remove, clean and dry all parts still on the old shoes. Lubricate the starwheel shaft threads with anti-seize lubricant.
15. Assemble both brake shoes, the top shoe to shoe return spring, automatic adjuster and automatic adjuster lever before mounting on vehicle. Make sure the ends of the automatic adjusters are positioned above the extruded pins in the webbing of the brake shoes prior to installation.
16. Install the brake shoe assembly onto the brake support plate and install the hold-down springs.
17. Install the lower anchor springs and reconnect the parking brake cable to the park brake lever of the trailing brake shoe.
18. Rotate the serrated adjuster nut to remove the free-play from the adjuster assembly.
19. Install the automatic adjuster lever spring on the lead brake shoe assembly and the automatic adjuster lever.
20. Install the rear hub and bearing assembly. Install washer and retainer nut and torque to 124 ft. lbs. (168 Nm).
21. Install the wave washer, nut retainer and a new cotter pin onto the spindle. Install dust cap.
22. Adjust brake shoes so not to interfere with brake drum installation. Install the rear brake drum. NOTE: After installing the brake drums, pump the brake pedal several times to partially adjust the brake shoes. To verify proper operation of the self-adjusting parking brake, be sure that both rear brakes are not dragging when the parking brake pedal is released.
    
23. Install the rear wheels and lug nuts. Torque the lug nuts, in a star pattern sequence, to 95 ft. lbs. (129 Nm).
24. Road test the vehicle. The automatic adjusters will continue brake adjustment during the road test of the vehicle.

Removal & Installation To Remove:

1. Before servicing the vehicle refer to the precautions at the beginning of this section
2. Loosen the lug nuts on the wheel and tire assemblies but do not remove the lug nuts
3. Raise and support the vehicle
4. Remove or disconnect the following:
   • Wheel and tire assemblies
   • Axle lubricant into a suitable container
   • Rear driveshaft
   • Parking brake cable
   • Brake calipers
   • Shock absorbers from the axle brackets
   • Vent hose from the rear axle vent fitting
   • Nuts and the washers from the U-bolts
   • U-bolts, spring plates and spacers from the axle assembly
5. Lower the axle assembly from the vehicle

To Install:

1. Place the rear axle assembly under the vehicle
2. Align the rear axle assembly with the springs then connect the spacers, spring plates and the U-bolts to the rear axle
3. Raise the rear axle assembly into position
4. Install or connect the following:
   • Washers and nuts to the U-bolts; Torque to: 59 lb-ft. (80 Nm) then, Torque to: 89 lb-ft. (120 Nm)
   • Vent hose to the rear axle vent fitting
   • Shock absorbers to the rear axle
   • Brake calipers (See: Brake Caliper)
   • Parking brake cable (See: Parking Brake Cable)
   • Rear driveshaft (See: Rear Driveshaft)
   Wheel lug nut tightening sequence
   
   
5. Fill the rear axle with lubricant
6. Bleed the brake system (See: Brake Bleeding)
7. Install the wheel and tire assemblies
8. Lower the vehicle to the ground
9. Torque lug nuts as follows:
   • Single Wheel: Torque to: 140 lb-ft. (190 Nm)
   • Dual Wheel: Torque to: 175 lb-ft. (240 Nm)
10. Road test the vehicle to check performance

google rear break drum

don't have topaz. maybe escort will help guide you.

Section 04-02: Suspension and Wheel Hubs, Rear 1996 Escort, Tracer Workshop Manual
REMOVAL AND INSTALLATION Wheel Bearing and Hub Assembly NOTE: Wheel bearings are not serviceable and should therefore be replaced as an assembly with the wheel hub (1104).

Removal

1. Raise and support the vehicle.
   

1. Remove the wheel and tire assembly.
   

1. Remove the hub grease cap (1131) from the wheel hub.
   

1. If equipped with disc brakes, remove the rear disc brake caliper (2552) and rear disc brake rotor (2C026). Refer to Section 06-04 for the removal procedure.
   

1. If equipped with drum brakes, remove the two brake drum screws and the brake drum (1126).
   

1. Unstake the rear axle wheel hub retainer (4B477) securing the wheel hub to the rear wheel spindle (4A013). Remove and discard the rear axle wheel hub retainer.
   
2. Remove the wheel hub from the rear wheel spindle.

Brake Shoes Removal & Installation To Remove:

1. Raise and safely support rear of vehicle.
2. Remove rear wheel assemblies.
3. Release parking brake.
4. Remove brake drum.

Rear brake shoe assembly

1. Using an appropriate brake spring tool, unhook upper return spring from rearward brake shoe.
2. Push retainer springs IN and turn to remove tension pins.
3. Lower brake shoe assembly and remove lower return spring.
4. Remove brake shoe assembly from back plate.
5. Disconnect parking brake cable from lever and remove brake shoe.
6. Remove parking brake lever from brake shoe.

To Install:

1. Install parking brake lever to rearward brake shoe.
2. Secure lever to brake show with a NEW U-clip.
3. Pinch U-clip closed.
4. Connect parking brake cable to rearward brake shoe.
5. Install self-adjuster lever spring on front brake shoe.
6. Assemble clevises, adjuster bolt and upper and lower return springs.
7. Apply a light coat of grease (Molykote 44MA or equivalent) to sliding surfaces.
8. Install brake shoe assembly onto back plate.
9. Install tension springs.
10. Using an appropriate brake spring tool, unhook upper return spring to rearward brake shoe.
11. Install brake drum.
12. Install rear wheel assembly.
13. Lower vehicle.
14. Adjust self-adjusting brakes by pressing brake pedal several times.

since the new pads are alot thicker than the old ones,the brake needs to be set properly.
something is not right for sure.
the retainer for the park brake cable may be not in the right spot.there is two places it can fit.