Question about 1997 Chevrolet Blazer

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Primary and secondary brake shoe id on 1500 chev

Primary and secondary brake shoe id on 1996 1500 chev truck . short shoe and long shoe which one to the rear?

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Short shoe goes to the front, long to the rear.

Posted on May 12, 2009

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What is the differance between primary brake shoe and secondary brake shoe


Primary brake shoe is the front one of the pair and takes most of the braking load, while the secondary is the back one. They should never be reversed on a vehicle. On the rear, some vehicles have a set of shoes for the parking brake (e.g. Saab) - these may also be called secondary shoes.

Sep 27, 2014 | Cars & Trucks

1 Answer

Want to know if large brake shoe or short one goes on backside of brake assembly on 1 ton ,1997 dodge truck


Okay the short one is known as primary and that goes to the front the large one goes to the rear that is called secondary. now if you accidently mix it the rear brake will lock when pedal is applied. and youll know it got mixed. small to front large to the rear

Apr 21, 2011 | Dodge Ram Pickup 3500 Cars & Trucks

1 Answer

How do you change rear drum brake shoes on a 1999 couger.


SECTION 206-02: Drum Brake 1999 Cougar Workshop Manual REMOVAL AND INSTALLATION Procedure revision date: 09/14/2001 Brake Shoes Removal
  1. Loosen the wheel nuts.
  1. Raise and support the vehicle. For additional information, refer to Section 100-02.
  1. Remove the wheel.
  1. Release the brake shoe automatic adjuster.
    v1201041.jpg
  1. Remove the brake drum.
    1. Remove the retainers (if equipped).
    1. Remove the drum.
    v1201040.jpg
  1. Make sure that the hub flange is in the correct position as shown.
    v1201042.jpg
  1. Remove the hold down springs.
    m1201030.jpg
  1. Disconnect the parking brake cable.
    1. Lever the secondary shoe outwards.
    1. Disconnect the cable from the secondary shoe.
    v1201043.jpg
  1. Disconnect the shoes from the anchor block.
    1. Disconnect the shoes from the anchor block.
    1. Remove the lower return spring.
    v1201044.jpg
  1. ani_caut.gif CAUTION: Do not damage the wheel cylinder boots.
    Detach the shoes from the wheel cylinder.
    v1201045.jpg
  1. Hold the wheel cylinder pistons in place with a rubber band.
  1. Remove the upper return spring.
    v1201047.jpg
  1. Remove the primary shoe from the strut and brake shoe adjuster.
    1. Rotate the adjuster counterclockwise.
    1. Remove the primary shoe.
    v1201048.jpg
  1. ani_caut.gif CAUTION: Take care as the strut support spring is under tension.
    Detach the secondary shoe from the strut support.
    • Detach the strut from the shoe by levering the strut against the shoe.
    v1201049.jpg
  1. Remove the parking brake return spring.
    v1201050.jpg
Installation
NOTE: Install new shoes as axle sets.
  1. Clean, check and apply Silicon Dielectric Compound D742-18A331-A or equivalent meeting Ford specification ESA-M1C171-A to the backing plate contact points.
    v1201051.jpg
  1. Install the parking brake return spring.
    v1201050.jpg
  1. Install the secondary shoe to the strut and brake shoe adjuster.
    v1201052.jpg
  1. Install the primary shoe to the strut and brake shoe adjuster.
    1. Install the primary shoe.
    1. Rotate the adjuster fully clockwise.
    v1201053.jpg
  1. Install the upper return spring.
    v1201047.jpg
  1. Remove the rubber band holding the wheel cylinder pistons in place.
  1. ani_caut.gif CAUTION: Do not damage the wheel cylinder boots.
    Position the shoes to the wheel cylinder.
    v1201140.jpg
  1. Position the shoes to the anchor block.
    1. Install the lower return spring.
    1. Position the shoes to the anchor block.
    v1201141.jpg
  1. Install the hold down springs.
    v1201142.jpg
  1. Install the parking brake cable.
    1. Lever the secondary shoe outwards.
    1. Install the cable to the secondary shoe.
    v1201043.jpg
  1. Install the brake drum.
    1. Install the drum.
    1. Install the retainers (if equipped).
    v1201143.jpg
  1. Install the wheel.
    v1501127.jpg
  1. Operate the brake pedal to achieve automatic adjustment.

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Mar 05, 2011 | 1999 Mercury Cougar

1 Answer

I cant figure out how to assemble the back brake shoes and springs back together


Maybe to late for this but if you do one side at a time just look at the other side for how they go together. Also the short shoe goes toward the front long toward the back.
1. Clean and inspect individual brake components.
2. Lubricate anchor pin an brake show contact pads on support plate with high temperature grease or
Lubriplate. See Fig. 41 .
3. Lubricate adjuster screw socket, nut, button, and screw thread surfaces with grease or Lubriplate.
4. Install the parking brake cable to the parking brake lever.
5. Install parking brake lever to the secondary shoe and install retaining clip.
6. Install primary shoe on support plate. Secure shoe with new spring retainers and pin.
7. Install spring on parking brake strut and engage strut in primary.
8. Install secondary shoe on support plate. See Fig. 42 . Insert strut in shoe and guide shoe onto anchor pin.
Temporarily secure shoe with restraining pin.
9. Install anchor plate and adjuster cable eyelet on support plate anchor pin.
10. Install cable guide in secondary shoe and position cable in guide.
CAUTION: Be sure the adjuster screws are installed on the correct brake unit. The adjuster screws are marked
"L" (left) or "R" (right) for identification
11. Assemble adjuster screw. See Fig. 43 . Then install adjuster screw between the brake shoes.
12. Install adjuster lever and spring, and connect adjuster cable to lever.
13. Install secondary shoe retainers and spring.
14. Install shoe spring. Connect spring to secondary shoe first, then to primary shoe.
15. Verify adjuster operation. Pull adjuster cable upward, cable should lift and rotate star wheel. Be sure
adjuster lever properly engages star wheel teeth.
16. Adjust brake shoes. See REAR BRAKE SHOES under ADJUSTMENTS.
17. Install wheel and tire assembly. See TORQUE SPECIFICATIONS


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Jun 25, 2010 | 2001 Dodge Durango

1 Answer

Which brake shoe is the primary shoe on a 1998 pontiac grand am? front or back


I'm assuming you mean drum brakes as they are the only ones with primary and secondary shoes. Not all drum brakes have a primary and secondary shoes. On drum brakes with primary and secondary shoes (called duo servo systems) the front shoe is slightly smaller than the rear one and is the primary shoe. On non servo systems, the shoes are the same size -- there is no primary or secondary shoe.

Nov 17, 2009 | 1998 Pontiac Grand Am

1 Answer

I need a detailed discription for reassembling of the rear brakes.


1. Raise and support vehicle
2. remove wheel
3. check to be sure parking brake is released
4. remove brake drum
5. remove brake shoe hold-down springs
6. disconnect the parking brake cable
7. Remove the lower retracting spring.
8. disconnect shoes from the anchor block
9. disconnect the shoes from the wheel cylinder
10. Remove the upper retracting spring.
11. Remove the primary shoe from the strut and brake shoe adjuster.
A- Rotate the auto-adjuster counterclockwise.
B- Remove the primary shoe.
12. Disconnect the secondary shoe from the strut support.
13. Remove the parking brake return spring.
14 Reverse order to install

Nov 08, 2009 | 1998 Ford Contour

1 Answer

Change drum brakes


Brake Shoe: Service and Repair
REMOVAL
1. Raise vehicle and remove rear wheels.
2. Remove and discard spring nuts securing drums to wheel studs.
3. Remove brake drums.
NOTE: If drums prove difficult to remove, retract brake shoes. Remove access plug at the rear of backing plate and back off adjuster screw with
brake tool and screwdriver.
4. Remove U-clip and washer securing adjuster cable to parking brake lever.
5. Remove primary and secondary return springs from anchor pin with brake spring pliers.
6. Remove hold-down springs, retainers and pins with standard retaining spring tool.
7. Install spring clamps on wheel cylinders to hold pistons in place.
8. Remove adjuster lever, adjuster screw and spring.
9. Remove adjuster cable and cable guide.
10. Remove brake shoes and parking brake strut.
11. Disconnect cable from parking brake lever and remove lever.
INSTALLATION
1. Clean support plate with brake cleaner.
2. If new drums are being installed, remove protective coating with carburetor cleaner or brake cleaner.
3. Clean and lubricate anchor pin with light coat of Mopar multi-mileage grease.
4. Apply multi-purpose grease to brake shoe contact surfaces of support plate.
5. Lubricate adjuster screw threads and pivot with spray lube.
6. Attach parking brake lever to secondary brake shoe. Use new washer and U-clip to secure lever.
7. Remove wheel cylinder clamps.
8. Attach parking brake cable to lever.
9. Install brake shoes on support plate. Secure shoes with new hold-down springs, pins and retainers.
10. Install parking brake strut and spring.
11. Install guide plate and adjuster cable on anchor pin.
12. Install primary and secondary return springs.
13. Install adjuster cable guide on secondary shoe.
14. Lubricate and assemble adjuster screw.
15. Install adjuster screw, spring and lever and connect to adjuster cable.
16. Adjust shoes to drum.
17. Install wheel/tire assemblies and lower vehicle.
18. Verify firm brake pedal before moving vehicle.

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Aug 12, 2009 | 1997 Jeep Cherokee Country

1 Answer

I need a schematic for the rear brakes on an F150 super cab with 4.6L automatic trans 4wheel drive


Drum, Rear Brake System Standard Rear Brake
9969082.gif
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
6dcb5d2.gif
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 .

Apr 04, 2009 | 1997 Ford F150 Regular Cab

2 Answers

How to install rear brakeshoes


REMOVAL & INSTALLATION
If you are not thoroughly familiar with the procedures involved in brake replacement, only disassemble and assemble one side at a time, leaving the other wheel intact as a reference.
1983-88 Vehicles
See Figures 1, 2 and 3
  1. Raise and safely support the rear of the vehicle with jackstands.
  2. Remove the tire and wheel assembly.
  3. Remove the brake drum, as outlined earlier in this section.
  4. Place Brake Cylinder Clamp D81L-1103-B or equivalent, over the ends of the brake cylinder.
CAUTIONBe careful that the springs do not slip off the tool during removal, as they could cause personal injury.
  1. Remove the shoe-to-anchor springs, using Brake Shoe R and R Spring BT-11, or equivalent, then unhook the cable eye from the anchor pin.
0900c1528006be0f.jpgFig. 1: Place the brake clamp tool over the ends of the wheel cylinder, then remove the shoe-to-anchor springs using the correct tool
  1. Remove the shoe guide (anchor pin) plate.
  2. Remove the shoe hold-down springs, shoes, adjusting screws, pivot nut, socket and automatic adjustment parts.
  3. Remove the parking brake link, spring and retainer. Disconnect the parking brake cable from the parking brake lever.
  4. After removing the secondary brake shoe, disassembly the parking brake lever from the shoe by removing the retaining clip and spring washer.
0900c1528006be10.jpgFig. 2: View of the drum brake components-1983-88 9-inch brake shown 0900c1528006be11.jpgFig. 3: View of the drum brake components-1983-88 10-inch brake shownTo install:
  1. The brake cable must be connected to the secondary brake shoe before the shoe is installed on the backing plate. To do this, first transfer the parking brake lever from the old secondary shoe to the new one. This is accomplished by spreading the bottom of the horseshoe clip and disengaging the lever. Position the lever on the new secondary shoe and install the spring washer and the horseshoe clip. Close the bottom of the clip after installing it. Grasp the metal tip of the parking brake cable with a pair of pliers. Position a pair of side cutter pliers on the end of the cable coil spring, and using the plier as a fulcrum, pull the coil spring back with the side cutters. Position the cable in the parking brake lever.
  2. Apply a light coating of high temperature grease to the brake shoe contact points on the backing plate. Position the primary brake shoe on the front of the backing plate and install the hold-down spring and washer over the mounting pin. Install the secondary shoe on the rear of the backing plate.
  3. Install the parking brake link between the notch in the primary brake shoe and the notch in the parking brake lever.
  4. Install the automatic adjuster cable loop end on the anchor pin. Make sure the crimped side of the loop faces the backing plate.
  5. Install the return spring in the primary brake shoe and, using the tapered end of the brake spring service tool, slide the top of the spring onto the anchor pin.
CAUTIONBe careful to make sure that the spring does not slip off the tool during installation, as it could cause injury.
  1. Install the automatic adjuster cable guide in the secondary brake shoe, making sure the flared hole in the cable guide is inside the hole in the brake shoe. Fit the cable into the groove in the top of the cable guide.
  2. Install the secondary shoe return spring through the hole in the cable guide and the brake shoe. Using the brake spring tool, slide the top of the spring onto the anchor pin.
  3. Clean the threads on the adjusting screw and apply a light coating of high temperature grease to the threads. Screw the adjuster closed, then open it 1/2 turn.
  4. Install the adjusting screw between the brake shoes with the star wheel nearest to the secondary shoe. Make sure the star wheel is in a position that is accessible from the adjusting slot in the backing plate.
  5. Install the short hooked end of the automatic adjuster spring in the proper hole in the primary brake shoe.
  6. Connect the hooked end of the automatic adjuster cable and the free end of the automatic adjuster spring in the slot in the top of the automatic adjuster lever.
  7. Pull the automatic adjuster lever (the lever will pull the cable and spring with it) downward and to the left and engage the pivot hook of the lever in the hole in the secondary brake shoe.
  8. Check the entire brake assembly to make sure that everything is installed properly. Make sure that the shoes engage the wheel cylinder properly and are flush on the anchor pin. Make sure that the automatic adjuster cable is flush on the anchor pin and in the slot on the back of the cable guide. Make sure that the adjusting lever rests on the adjusting screw star wheel. Pull upward on the adjusting cable until the adjusting lever is free of the star wheel, then release the cable. The adjusting lever should snap back into place on the adjusting screw star wheel and turn the wheel one tooth.
  9. Expand the brake adjusting screw until the brake drum will just fit over the brake shoes.
  10. Install the brake drum and wheel and tire assembly, then adjust the brakes.
  11. Carefully lower the vehicle.

Dec 08, 2008 | 1987 Ford Thunderbird

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