BOSCH BS860 Blue Drum Brake Shoe Set Instruction Manual

1. Product Overview

The BOSCH BS860 Blue Drum Brake Shoe Set is engineered to provide consistent, superior braking performance for compatible Chevrolet Malibu vehicles, specifically for the rear drum brake system. These brake shoes feature 100 percent asbestos-free friction formulations, ensuring extended wear and long life.

Key features include:

• Rust inhibitive coating to prevent corrosion and extend durability.
• OE-style design for proper fit and seamless integration.
• Constructed from 100 percent new steel for durable performance.
• Includes pins and levers where applicable, providing a complete kit for straightforward installation.

2. Safety Information

Always prioritize safety when working on vehicle braking systems. Improper installation or maintenance can lead to serious injury or vehicle damage. If you are unsure about any step, consult a qualified automotive technician.

• Wear appropriate personal protective equipment (PPE), including safety glasses and gloves.
• Ensure the vehicle is securely supported on jack stands before beginning any work. Never rely solely on a jack.
• Disconnect the vehicle's battery before working on electrical components.
• Allow brake components to cool down before handling, as they can become extremely hot during operation.
• Keep brake fluid away from painted surfaces, as it can damage paint.
• Dispose of old brake components and fluids responsibly according to local regulations.

3. What's in the Box

Your BOSCH BS860 Blue Drum Brake Shoe Set package typically includes:

• Brake Shoes (Set for rear axle)
• Pins and levers (where applicable, for a complete installation kit)

4. Installation

Installation of drum brake shoes requires specific tools and mechanical knowledge. It is highly recommended that installation be performed by a certified automotive technician.

This image displays the components of the BOSCH BS860 Blue Drum Brake Shoe Set. It shows two crescent-shaped brake shoes, one with the spring and lever assembly attached, and the other without. The components are designed for the rear drum brake system of compatible vehicles.

4.1. Before You Begin

• Ensure you have the correct tools, including a jack, jack stands, lug wrench, drum brake spring tools, pliers, and a torque wrench.
• Verify that the vehicle is compatible with the BOSCH BS860 brake shoe set.
• Review the vehicle's specific service manual for detailed drum brake removal and installation procedures.

4.2. General Installation Steps (Consult Vehicle Manual for Specifics)

1. Safely lift and support the vehicle, then remove the rear wheels.
2. Remove the brake drum. This may require releasing the parking brake and potentially using a rubber mallet or drum puller.
3. Carefully remove the old brake shoes and associated springs, clips, and hardware. Note the orientation of all components for reassembly.
4. Clean the backing plate and inspect the wheel cylinder for leaks or damage. Replace if necessary.
5. Apply a thin layer of high-temperature brake grease to the contact points on the backing plate where the brake shoes slide.
6. Assemble the new BOSCH BS860 brake shoes with the new hardware (springs, clips, levers) as per the vehicle's service manual.
7. Install the assembled brake shoes onto the backing plate, ensuring all springs and retainers are correctly seated.
8. Adjust the star wheel adjuster if necessary, ensuring the drum fits snugly but without excessive drag.
9. Reinstall the brake drum and wheels, then lower the vehicle.
10. Pump the brake pedal several times to adjust the shoes and ensure proper pedal feel before driving.
11. Perform a test drive in a safe area to confirm proper brake operation.

5. Operating Principles and Bedding-In

Drum brake shoes operate by pressing against the inner surface of a rotating drum, creating friction that slows the vehicle. The BOSCH BS860 shoes are designed for optimal performance and longevity.

After installation, it is crucial to properly

Related Documents - BS860

	Bosch TPA 300 Quick Start Guide: Automotive TPMS Diagnostic Tool Get started quickly with the Bosch TPA 300, a professional diagnostic tool for automotive tire pressure monitoring systems (TPMS). Learn about its features, included accessories, and basic operation.
	Bosch OBD1200 CodeConnect® User Guide: Automotive Diagnostics Comprehensive user guide for the Bosch OBD1200 CodeConnect® automotive diagnostic scan tool. Learn about its features for reading DTCs, viewing live data, troubleshooting, and vehicle compatibility.
	Bosch Electronic Brake System (EBS) Manual - Motorsport Technical Guide Comprehensive manual for the Bosch Electronic Brake System (EBS) in motorsport applications, detailing installation, technical specifications, CAN protocols, PWM signals, and diagnostic procedures.
	Bosch DCU 120 Quick Start Guide Quick start guide for the Bosch DCU 120 device, covering initial setup, battery installation, and power-on procedures.
	Bosch C70 Charger Operating Instructions Comprehensive operating instructions for the Bosch C70 battery charger, detailing its features, technical specifications, safety guidelines, various charging modes, maintenance, and responsible disposal.
	Bosch ESI[tronic]: Advanced Automotive Diagnostic Software for Workshops Discover Bosch ESI[tronic], the comprehensive diagnostic software solution designed to empower automotive workshops with efficient maintenance, service, and repair capabilities for modern vehicles, including electric and hybrid models.