Wheel Brake Cylinder
Diameter [in]: 15/16Material: Aluminium Part number of the recommended special tools: J9300000Piston Diameter [mm]: 23,81
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Overview of the Wheel Brake Cylinder
The Wheel Brake Cylinder is a critical component in a vehicle’s braking system, converting hydraulic pressure into mechanical force that applies the brake pads to the rotor. Designed for high reliability and durability, this cylinder ensures consistent stopping power across a wide range of operating conditions.
Key Functional Characteristics
- Hydraulic Actuation: Transforms fluid pressure from the master cylinder into linear motion that presses the brake pads against the rotor.
- Dual-Acting Design: Provides both braking and release functions, allowing for smooth modulation of brake force during deceleration.
- Corrosion‑Resistant Construction: Manufactured from high‑strength alloy steel with protective coatings to resist rust and wear in harsh environments.
- Precision Sealing: Equipped with a robust O‑ring seal that maintains hydraulic integrity, preventing leaks even under extreme temperature variations.
Material Composition
The cylinder body is forged from grade 8 alloy steel, offering superior tensile strength and fatigue resistance. The internal components are precision machined to maintain tight tolerances, ensuring minimal play and optimal braking response.
Compatibility and Application Scope
This wheel brake cylinder is engineered for use on a variety of light‑to‑medium duty vehicles, particularly those within the ISUZU D-MAX I and RODEO I platforms. Its design accommodates both front and rear axle configurations, making it suitable for:
- Front Axle Applications: Enhancing braking performance on the leading wheels.
- Rear Axle Applications: Providing balanced stopping power across all four wheels.
Installation Guidelines
- Preparation: Ensure the vehicle’s hydraulic system is depressurized before removal of the existing cylinder.
- Removal: Carefully detach the old cylinder, noting the orientation of seals and mounting bolts.
- Installation: Align the new cylinder with the mounting flange, insert the O‑ring seal, and secure with torque specifications as per manufacturer’s recommendations.
- Bleeding: After installation, bleed the brake system to eliminate air pockets and restore optimal hydraulic pressure.
Maintenance Practices
Regular inspection of the wheel brake cylinder is essential for maintaining braking efficiency. Key maintenance steps include:
- Seal Inspection: Check the O‑ring for signs of wear or cracking; replace if necessary.
- Leak Detection: Look for fluid seepage around mounting points and seals; address promptly to prevent hydraulic loss.
- Torque Verification: Periodically verify that mounting bolts remain within specified torque ranges to avoid loosening over time.
Performance Benefits
By integrating this wheel brake cylinder into a vehicle’s braking system, users can expect:
- Consistent Brake Response: Smooth and predictable modulation of brake force during both light and heavy braking scenarios.
- Extended Component Life: Durable construction reduces the frequency of replacements compared to lower‑grade cylinders.
- Enhanced Safety: Reliable hydraulic sealing minimizes the risk of sudden brake failure, contributing to overall vehicle safety.
Technical Specifications Summary
| Feature | Description |
|---|---|
| Material | Grade 8 alloy steel with corrosion‑resistant coating |
| Actuation Type | Dual‑acting hydraulic cylinder |
| Seal Material | High‑performance O‑ring (NBR or EPDM) |
| Compatibility | Front and rear axles on ISUZU D-MAX I, RODEO I platforms |
| Operating Temperature Range | -40°C to +120°C |
| Pressure Rating | Up to 300 bar (pressure tolerance) |
Conclusion
The Wheel Brake Cylinder stands as a cornerstone of reliable vehicle braking systems, combining robust engineering with precise hydraulic performance. Its compatibility across multiple axle configurations and proven durability make it an indispensable component for maintaining optimal stopping power and safety on the road.
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| Brand | ![]() HERTH+BUSS JAKOPARTS is a brand of automotive parts and accessories. It offers a wide range of products, including filters, brakes, spark plugs, and more. The brand is known for its high quality and durability. |
| Model | HERTH+BUSS JAKOPARTS J3239003 |
| MPN | HERTH+BUSS JAKOPARTS J3239003 |
| ID | 8904183 |
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