Student Assignments for EM-123-2_053251 Two wheel hydraulic brake system EM-123-2-95_V2024-1 © ConsuLab Educatech Inc, 2024. All rights reserved. EM-123-2_053251-95 Table of Contents 400-6330 Zéphirin-Paquet St. Québec QC G2C 0M3 Canada consulab.com info@consulab.com Toll-free: +1 (800) 567-0791 USA: +1 (810) 222-4525 Canada: +1 (418) 688-9067 Fax: +1 (418) 843-3444 3 © ConsuLab Educatech Inc, 2024. All rights reserved. No part of this work may be reproduced or transmitted in any form by any means, electronic, mechanical, including photocopying and recording, or by any information storage or retrieval system, without written permission from the publisher. Printed in Canada. The content of this manual is applicable to models 053251 and above. Table of Contents Introduction 4 Application 4 Features 4 Student assignments SA1 — Master Cylinder Inspection Service 6 SA1-A — Master Cylinder Remove/Replace 7 SA2 — Brake Pad Replacement 10 SA2-A — Front Brake Disc Inspection 15 SA2-B — Front Brake Disc Refinishing 17 SA2-C — Front Brake Caliper Inspection 18 SA3 — Rear Brake Shoe Inspection and Replacement 19 SA3-A — Rear Brake Drum Inspection and Service 24 SA3-B — Wheel Cylinder Inspection and Service 26 SA4 — Bleeding Brake Service 27 SA5 — Wheel Lug Torque 29 consulab.com info@consulab.com 4 EM-123-2_053251-95 Introduction Introduction The ConsuLab EM-123-2_053251 is a two-wheel hydraulic brake system with disc and drum that can be used to see the functionality of a typical non-ABS braking system as it operates on a real vehicle. The trainer is built with OEM compo- nents and is based on the Honda Civic platform. The trainer can be used in the classroom environment for demonstra- tions to students. It provides a safe and effective method of learning the principles of hydraulic braking systems used on today’s vehicles. Application Non-ABS Honda Civic Features • Real OEM automotive components with fully functional disc/drum hydraulic braking system including : - All OEM hydraulic components - OEM Brake pedal and parking brake pedal - OEM Power brake booster - OEM Parking brake components • Fully functional parking brake system • Fits through a standard 30” door opening • Heavy duty metal stand with casters for easy transport (two fixed and two swivel w/locks) • All routine brake service procedures can be performed on this trainer including : - Master cylinder service - Brake pad/shoe replacement - Disc/Drum service - Wheel bearing service - Caliper/Wheel cylinder service - Brake hose/line service - Parking brake service - Brake inspection - Lug nut torque - Tire isentification and inspection consulab.com info@consulab.com 5 EM-123-2_053251-95 Student assignments Student assignments consulab.com info@consulab.com 6 EM-123-2_053251-95 SA1 — Master Cylinder Inspection Service SA1 — Master Cylinder Inspection Service 1. Look up related service information first. 2. Inspect and note these items : 3. Check that all parts are free of dirt and other foreign particles. Why ? 4. Do not allow dirt or foreign matter to contaminate the brake fluid. Why ? 5. Clean up work area and return tools to the proper place, hand in worksheet. Name : Group : Date : Instructor : Grade : Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. consulab.com info@consulab.com 7 EM-123-2_053251-95 SA1-A — Master Cylinder Remove/Replace SA1-A — Master Cylinder Remove/Replace (3 pages) 1. Look up related service information first. 2. Special tools required ? 3. Be careful not to damage or bend the brake lines during removal and installation. 4. After removal, plug the ends of the hoses and the joints to prevent spilling brake fluid. Why ? 5. Remove the reservoir cap and brake fluid from the master cylinder reservoir with a syringe. 6. Disconnect the brake fluid level switch connector (A). 7. Remove the reservoir tank mounting bolt (B). consulab.com info@consulab.com 8 EM-123-2_053251-95 SA1-A — Master Cylinder Remove/Replace 8. Disconnect the brake lines (A) from the master cylinder (B). To prevent spills, cover the hose joints with clean rags or shop towels. 9. Remove the master cylinder mounting nuts (C) and washers (D). 10. Remove the master cylinder from the brake booster (E). Be careful not to bend or damage the brake lines when removing the master cylinder. 11. Remove the rod seal (F) from the master cylinder. NOTE : During installation, set the new rod seal onto the master cylinder with its grooved side (G) toward the master cylinder. 12. Do not try to disassemble the master cylinder assembly. 13. Honda recommends replacing the master cylinder assembly with a new part if necessary. Why ? consulab.com info@consulab.com 9 EM-123-2_053251-95 SA1-A — Master Cylinder Remove/Replace 14. Reinstall the master cylinder with a new rod seal in the reverse order of removal, and note these items : • Coat the inner bore lip and outer circumference of the new rod seal with the Shin-Etsu silicone grease (P/N 08798- 9013). • Make sure not to get any silicone grease on the terminal part of the connectors and switches, especially if you have silicone grease on your hands or gloves. • Check the brake pedal height and free play after installing the master cylinder, and adjust if necessary. • If the reservoir tank hose was disconnected, install the reservoir tank (A) and the reservoir tank hose (B) to the sub-reservoir (C). - NOTE : Align the ‘‘Δ ‘’ marks (D) on the reservoir tank and sub-reservoir with the paint marks (E) on the hose. Posi- tion the direction of the clamp (F). 15. Bleed the brake system (See SA-4 worksheet). 16. Spin the wheels to check for brake drag. Why ? 17. Clean up work area and return tools to the proper place, hand in worksheet. Name : Group : Date : Instructor : Grade : Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. consulab.com info@consulab.com 10 EM-123-2_053251-95 SA2 — Brake Pad Replacement SA2 — Brake Pad Replacement (5 pages) 1. Look up related service information first. 2. Special tools required ? 3. Any safety cautions to be observed ? • • • • 4. Check the thickness (A) of the inner pad (B) and the outer pad (C). Do not include the thickness of the backing plate. Brake pad thickness : Standard specifications : Service Limit specifications : Inner pad Outer pad 5. If any part of the brake pad thickness is less than the service limit, replace the brake pads as a set. consulab.com info@consulab.com 11 EM-123-2_053251-95 SA2 — Brake Pad Replacement Replacement of pads 6. Remove some brake fluid from the master cylinder. Why ? 7. Remove the flange bolt (A), and pivot the caliper body (B) up out of the way. 8. Secure caliper up with a tie strap. Why ? 9. Check the hose and pin boots for damage and deterioration. 10. Remove the pad shims (A) and the brake pads (B). 11. Remove the pad retainers (A). consulab.com info@consulab.com 12 EM-123-2_053251-95 SA2 — Brake Pad Replacement 12. Clean the caliper bracket (B) thoroughly; remove any rust, and check for grooves and cracks. Verify that the caliper pins (C) move in and out smoothly. Clean and lube if needed. 13. Inspect the brake disc for runout, thickness, parallelism, and check for damage and cracks. *** See Student Activity SA2-A. 14. Apply a thin coat of M-77 assembly paste (P/N 08798-9010) to the retainer mating surface of the caliper bracket (indicated by the arrows). 15. Install the pad retainers. Wipe off the excess assembly paste from the retainers. Keep the assembly paste away from the brake disc and the brake pads. 16. Install the brake caliper piston compressor tool (A) on the caliper body (B). 17. Press in the piston with the brake caliper piston compressor tool so the caliper body will fit over the brake pads. 18. Make sure the piston boot is in position to prevent damaging it when pivoting the caliper body down. consulab.com info@consulab.com 13 EM-123-2_053251-95 SA2 — Brake Pad Replacement 19. NOTE : Be careful when pressing in the piston; brake fluid might overflow from the master cylinder’s reservoir. Why ? 20. If brake fluid gets on any painted surface, wash it off immediately with water. 21. Remove the brake caliper piston compressor tool. 22. Apply a thin coat of M-77 assembly paste (P/N 08798-9010) to the pad side of the shims (A), the back of the brake pads (B) and the other areas indicated by the arrows. 23. Wipe off the excess assembly paste from the pad shims and the brake pads friction material. 24. Keep grease and assembly paste away from the brake disc and the brake pads. Contaminated brake disc or brake pads reduce stopping ability. 25. Install the brake pads and the pad shims correctly. 26. Why are shims needed ? 27. Install the brake pad with the wear indicator (C) on the upper inside position. 28. NOTE : If you are reusing the brake pads, always reinstall the brake pads in their original positions to prevent a temporary loss of braking efficiency. consulab.com info@consulab.com 14 EM-123-2_053251-95 SA2 — Brake Pad Replacement 29. Pivot the caliper body down into position. Install the flange bolt (A), and tighten it to the specified torque. 30. Press the brake pedal several times to make sure the brakes work. 31. NOTE : Engagement may require a greater pedal stroke immediately after the brake pads have been replaced as a set. Several applications of the brake pedal will restore the normal pedal stroke. Why ? 32. Add brake fluid as needed. 33. After installation, check for leaks at hose and line joints or connections, and retighten if necessary. Test-drive the vehicle, then recheck for leaks. 34. Clean up work area and return tools to the proper place, hand in worksheet. 35. Have instructor check work Name : Group : Date : Instructor : Grade : Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. consulab.com info@consulab.com 15 EM-123-2_053251-95 SA2-A — Front Brake Disc Inspection SA2-A — Front Brake Disc Inspection (2 pages) 1. Look up related service information first. Thickness and Parallelism 2. Remove the brake pads. 3. Using a micrometer (A), measure the brake disc thickness at eight points, about 45 ° apart and 10 mm (0.39 in) in from the outer edge of the brake disc. 4. Replace the brake disc if the smallest measurement is less than the maximum refinishing limit. 5. Brake disc thickness : Standard specifications : Maximum refinishing limit specifications : Brake disc parallelism* specifications : * This is the maximum allowable difference between the thickness measurements. 6. Is this rotor within spec’s ? Runout 7. Inspect the brake disc to wheel surface for damage and cracks. Clean the brake disc thoroughly, and remove all rust. 8. Install suitable flat washers (A) and wheel nuts (B), and tighten the wheel nuts to the specified torque to hold the brake disc securely against the hub. 9. Set up the dial gauge (C) against the brake disc as shown, and measure the runout at 10 mm (0.39 in) from the outer edge of the brake disc. consulab.com info@consulab.com 16 EM-123-2_053251-95 SA2-A — Front Brake Disc Inspection 10. Brake disc runout specifications : Service limit : If the brake disc is beyond the service limit, refinish the brake disc with a Honda-approved commercially available on-car brake lathe. Maximum refinishing limit : Actual runout measured : NOTE : If the brake disc is beyond the service limit for refinishing, replace it. If the brake disc is replaced with a new one, check the new disc for runout. If the new disc is out of specification, refinish the disc. 11. Clean up work area and return tools to the proper place, hand in worksheet. Name : Group : Date : Instructor : Grade : Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. consulab.com info@consulab.com 17 EM-123-2_053251-95 SA2-B — Front Brake Disc Refinishing Year and Model: VIN: Rotor Location: LF RF RR LR Rotor thickness before refinishing Rotor run-out before refinishing Rotor thickness variation (measure in 8 places): 1. 2. 3. 4. 5. 6. 7. 8. Attach to R.O. # Disc Brake Rotor Refinishing Worksheet © 2002 American Honda Motor Co., Inc. - All Rights Reserved GJA 24213 (0212) Date: Rotor Location: LF RF RR LR Rotor thickness before refinishing Rotor run-out before refinishing Rotor thickness variation (measure in 8 places): 1. 2. 3. 4. 5. 6. 7. 8. Thickest part Thinnest part Maximum variation Refinishing time overall min. Rough-cut time min. Fine-cut time min. – = Technician Signature Technician Number Rotor thickness after refinishing Rotor run-out after refinishing Thickest part Thinnest part Maximum variation Refinishing time overall min. Rough-cut time min. Fine-cut time min. – = Rotor thickness after refinishing Rotor run-out after refinishing Copyright 2009 - 2013 Service Repair Solutions, Inc. Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. SA2-B — Front Brake Disc Refinishing consulab.com info@consulab.com 18 EM-123-2_053251-95 SA2-C — Front Brake Caliper Inspection SA2-C — Front Brake Caliper Inspection 1. Look up related service information first. 2. Remove, inspect, reassemble, and install the caliper, and note these items : • Make sure that the caliper pins are installed correctly. Upper caliper pin and lower caliper pin are different. - If these caliper pins are installed in the wrong location, it will cause vibration, uneven or rapid brake pad wear, and possibly uneven tire wear. • To prevent dripping brake fluid, cover disconnected hose joints with clean rags or shop towels. • Before reassembling, check that all parts are free of dirt and other foreign particles. - Make sure no dirt or other foreign matter gets in the brake fluid. • Make sure no grease or oil gets on the brake discs or pads. • When reusing brake pads, always reinstall them in their original.positions to prevent loss of braking efficiency. • Do not reuse drained brake fluid. Use only new Honda DOT 3 Brake Fluid from an unopened container. - Using a non-Honda brake fluid can cause corrosion and shorten the life of the system. • Use recommended greases in the front caliper set. 3. After installing the caliper, check the brake hose and line for leaks, interference, and twisting. 4. Clean up work area and return tools to the proper place, hand in worksheet Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. consulab.com info@consulab.com 19 EM-123-2_053251-95 SA3 — Rear Brake Shoe Inspection and Replacement SA3 — Rear Brake Shoe Inspection and Replacement (5 pages) 1. Look up related service information first. CAUTION : Frequent inhalation of brake shoe dust, regardless of material composition, could be hazardous to your health. AVOID BREATHING DUST PARTICLES. Never use an air hose or brush to clean brake assemblies. Use an OSHA-approved vacuum cleaner. 2. Release the parking brake, and remove the breake drum. 3. Check the wheel cylinder for leakage (See SA3-B). consulab.com info@consulab.com 20 EM-123-2_053251-95 SA3 — Rear Brake Shoe Inspection and Replacement 4. Remove the tension pins (A) by pushing the respective retainer springs (B), and turning the pin. 5. Remove the lower return spring (A), and remove the brake shoe assembly over the hub. 6. Remove the forward brake shoe (B) by removing the upper return spring (C), and disassemble the brake shoe assembly. 7. Remove the rearward brake shoe (D) by disconnecting the parking brake cable from the parking brake lever (E). consulab.com info@consulab.com 21 EM-123-2_053251-95 SA3 — Rear Brake Shoe Inspection and Replacement 8. Remove the U-clip (A), the wave washer (B), and the pivot pin (C), and separate the parking brake lever (D) from the brake shoe (E). Reassembly 9. Install the parking brake lever (C) and the wave washer (D) on the pivot pin, and secure the pin with a new U-clip (E). 10. Apply Molykote 44MA grease to the sliding surface of the pivot pin (A) for the rearward brake shoe (B). 11. Connect the parking brake cable to the parking brake lever. NOTE : Pinch the U-clip securely to prevent the parking brake lever from coming out of the brake shoe 12. Apply a thin coat of Molykote 44MA grease to the connecting rod ends (A), and the sliding surfaces (B) as shown consulab.com info@consulab.com 22 EM-123-2_053251-95 SA3 — Rear Brake Shoe Inspection and Replacement 13. Wipe off any excess. Keep grease away from the brake linings. 14. Install connecting rods A and B on the adjuster bolt (C). NOTE : Clean the threaded portions of connecting rod A and the sliding surface of connecting rod B, then coat them with Molykote 44MA grease. 15. Shorten connecting rod A by fully turning in the adjuster bolt. 16. Assemble the brake shoes with the upper return spring (D), with the connecting rods and the adjuster bolt onto the backing plate. 17. Reconnect the parking brake cable to the parking brake lever (E), then install the self-adjuster lever (F) and the self- adjuster spring (G) on the forward brake shoe (H). 18. Install the tension pins (A) and the retainer springs (B) by pushing in the respective spring and turning each pin. consulab.com info@consulab.com 23 EM-123-2_053251-95 SA3 — Rear Brake Shoe Inspection and Replacement 19. Install the lower return spring. NOTE : Make sure the brake shoes are positioned on the brake shoe bosses on the backing plate, and the fitting on the top of the brake shoes are fitted into the wheel cylinder pistons. 20. Install the brake drum. NOTE : Before installing the brake drum, clean the mating surfaces between the hub bearing unit and the inside of the brake drum. 21. Press the brake pedal several times to make sure the brakes work and to set the self-adjusting brake. NOTE : Engagement of the brakes may require a greater pedal stroke immediately after the brake shoes have been replaced as a set. Several applications of the brake pedal will restore the normal pedal stroke. 22. Adjust the parking brake. 23. Clean up work area and return tools to the proper place, hand in worksheet. Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. consulab.com info@consulab.com 24 EM-123-2_053251-95 SA3-A — Rear Brake Drum Inspection and Service SA3-A — Rear Brake Drum Inspection and Service (2 pages) 1. Look up related service information first. 2. Release the parking brake, and remove the brake drum. 3. Check the wheel cylinder (A) for leakage (See SA3-B). 4. Check the brake linings (B) for cracking, glazing, wear, and contamination. NOTE : Contaminated brake linings or drums reduce stopping ability. 5. Measure the brake lining thickness (C). Measurement does not include the metal brake shoe thickness. 6. Brake lining thickness specifications : Standard specifications : Service limit specifications : Actual measurement : 7. If any part of the brake lining thickness is less than the service limit, replace the brake shoes as a set. 8. Check the hub bearing unit (D) for smooth operation. If it requires servicing, replace the hub bearing unit. consulab.com info@consulab.com 25 EM-123-2_053251-95 SA3-A — Rear Brake Drum Inspection and Service 9. Measure the inside diameter of the brake drum with inside vernier caliper. 10. Drum inside diameter specifications : Standard specifications : Service limit specifications : Actual measurement : 11. If the inside diameter of the brake drum is more than the service limit, replace the brake drum. 12. Check the brake drum for scoring, grooves, corrosion, and cracks. 13. Install the brake drum. 14. Clean up work area and return tools to the proper place, hand in worksheet. Name : Group : Date : Instructor : Grade : Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. consulab.com info@consulab.com 26 EM-123-2_053251-95 SA3-B — Wheel Cylinder Inspection and Service SA3-B — Wheel Cylinder Inspection and Service 1. Look up related service information first. 2. Remove the brake shoes (see Student Activity SA3). 3. Disconnect the brake line (A) from the wheel cylinder (B). 4. Remove the bolts (C) and the wheel cylinder from the backing plate. NOTE : Use the special bolts on reassembly. 5. Apply Cemedine 366E sealant or equivalent between the wheel cylinder and backing plate (D), and install the wheel cylinder, then connect the brake line. 6. Install the brake shoes. Bleed the brake system. 7. Inspect and adjust the parking brake. 8. Spin the wheels to check for brake drag. 9. After installation, check for leaks at hose and line joints or connections, and retighten if necessary. 10. Clean up work area and return tools to the proper place, hand in worksheet. Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. consulab.com info@consulab.com 27 EM-123-2_053251-95 SA4 — Bleeding Brake Service SA4 — Bleeding Brake Service (2 pages) 1. Look up related service information first. 2. Do not reuse the drained fluid. Use only new Honda DOT 3 Brake Fluid from an unopened container. Using a non- Honda brake fluid can cause corrosion and shorten the life of the system. 3. Make sure no dirt or other foreign matter gets in the brake fluid. The reservoir connected to the master cylinder must be at the MAX (upper) level mark at the start of the bleeding procedure, and checked after bleeding each wheel location. Add fluid as required. 4. Make sure the brake fluid level in the reservoir (A) is at the MAX (upper) level line (B). 5. Have someone slowly pump the brake pedal several times, then apply steady pressure. 6. Start the bleeding at the driver’s side of the front brake system. NOTE : Bleed the calipers or the wheel cylinders in the sequence shown. consulab.com info@consulab.com 28 EM-123-2_053251-95 SA4 — Bleeding Brake Service 7. Attach a length of clear drain tube (A) to the bleed screw (B), then loosen the bleed screw to allow air to escape from the system. 8. Then tighten the bleed screw securely. 9. Refill the master cylinder reservoir to the MAX (upper) level line. 10. Repeat the procedure for each brake circuit until there are no air bubbles in the fluid. 11. Clean up work area and return tools to the proper place, hand in worksheet. Portions of materials contained herein are sourced from American Honda Motor Inc., Co. Copyright 2009 - 2013 Service Repair Solutions, Inc. consulab.com info@consulab.com 29 EM-123-2_053251-95 SA5 — Wheel Lug Torque SA5 — Wheel Lug Torque 1. Look up related service information first. 2. Remove and inspect tire the and wheel assembly. Be sure to inspect the mating surfaces of the wheel and the hub for rust or corrosion; clean as needed, at the direction of your instructor. 3. After inspection re-install the tire and wheel assembly. 4. Torque the wheel (lug) nuts, installed dry, to the specification listed in service information. 5. Tighten in a star or crisscross pattern using a torque wrench with a current calibration certification. 6. Clean up work area and return tools to the proper place, hand in worksheet. WHEEL NUT TORQUE SPECIFICATION : 1 4 2 3 5 Name : Group : Date : Instructor : Grade : consulab.com info@consulab.com 30 EM-123-2_053251-95 Notes Notes 400-6330 Zéphirin-Paquet St. Québec QC G2C 0M3 Canada © ConsuLab Educatech Inc, 2024. All rights reserved. Introduction Application Features Student assignments SA1 — Master Cylinder Inspection Service SA1-A — Master Cylinder Remove/Replace SA2 — Brake Pad Replacement SA2-A — Front Brake Disc Inspection SA2-B — Front Brake Disc Refinishing SA2-C — Front Brake Caliper Inspection SA3 — Rear Brake Shoe Inspection and Replacement SA3-A — Rear Brake Drum Inspection and Service SA3-B — Wheel Cylinder Inspection and Service SA4 — Bleeding Brake Service SA5 — Wheel Lug Torque