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TRW ABS Sensor
Overall Length [mm]: 1800Sensor Type: Active sensor Quality Product
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TRW GBS1111 ABS Wheel Speed Sensor
The TRW GBS1111 ABS sensor is a high‑performance wheel speed detector designed for use in modern automotive safety systems such as Anti‑Lock Braking (ABS), Electronic Stability Program (ESP) and traction control. It delivers precise rotational data to the vehicle’s electronic control unit, enabling rapid response during braking or loss of traction events.
Key Features
- Active Sensor Design: Generates its own signal, eliminating the need for external power sources and reducing wiring complexity.
- High Accuracy: Provides reliable wheel speed measurements across a wide range of operating temperatures and vibration levels.
- Compact Size: Fits seamlessly into tight engine bay spaces without compromising airflow or cooling.
- Robust Construction: Encased in a durable housing that resists moisture, oil, and mechanical shock.
- Wide Compatibility: Suitable for a variety of Peugeot and Citroën models including the 407 (Coupe, Sedan, SW), C5 III, and C6 series.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | GBS1111 |
| Manufacturer | TRW Automotive |
| Sensor Type | Active wheel speed sensor (Hall‑effect) |
| Operating Temperature Range | -40 °C to +120 °C |
| Signal Output | Square wave, 5 V DC |
| Frequency Response | 0.1 Hz – 10 kHz |
| Mounting Style | Standard bolt‑in with integrated sensor housing |
| Weight | ≈30 g |
| Dimensions (L×W×H) | 55 mm × 35 mm × 25 mm |
| Material | High‑strength steel housing, ceramic sensor core |
| Seal Type | IP67 rated gasket |
| Compatibility | Peugeot 407 (Coupe/Sedan/SW), Citroën C5 III, Citroën C6, and related models with GBS1111 wheel speed sensor requirement. |
Installation Overview
The TRW GBS1111 is engineered for straightforward replacement of the original wheel speed sensor. The following steps outline a typical installation procedure:
- Safety First: Disconnect the vehicle’s battery to prevent accidental electrical discharge.
- Remove Old Sensor: Locate the sensor on the rear wheel hub, unscrew the mounting bolt, and gently detach the sensor from its housing.
- Prepare New Sensor: Verify that the new TRW GBS1111 matches the original’s orientation. Apply a small amount of anti‑seize compound to the mounting surface if recommended by the manufacturer.
- Mounting: Align the sensor with the hub, insert the bolt, and tighten to the specified torque (typically 15–20 Nm).
- Reconnect Power: Reattach any wiring harnesses or connectors that were removed during removal.
- Testing: Restore battery power and perform a diagnostic scan. Verify that wheel speed data is being transmitted correctly to the ABS/ESP module.
Benefits of Choosing TRW GBS1111
- Reliability: TRW’s long history in automotive safety components ensures consistent performance under demanding conditions.
- Precision: Accurate wheel speed readings improve braking efficiency and vehicle stability during critical driving moments.
- Ease of Maintenance: The sensor’s modular design allows for quick swaps without extensive disassembly.
- Durability: Resistant to corrosion, oil, and high temperatures, extending the service life even in harsh environments.
Common Applications
The TRW GBS1111 is frequently employed in:
- Rear‑wheel ABS systems for compact cars and sedans.
- ESP modules that monitor wheel slip to maintain vehicle control.
- Traction control units that adjust engine output based on wheel speed feedback.
Conclusion
The TRW GBS1111 ABS sensor represents a blend of precision engineering, robust construction, and user‑friendly installation. Its compatibility with a range of Peugeot and Citroën models makes it an ideal choice for technicians seeking a reliable component to maintain vehicle safety systems at peak performance.
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| Identifiers | |
| Brand |  TRW is a brand that produces automotive parts and safety systems. Some of their notable products include airbags, seatbelts, and braking systems. The company has a long history of producing quality products and is known for their innovation in the automotive industry. |
| Model | TRW GBS1111 |
| MPN | TRW GBS1111 |
| ID | 7105479 |
| Dimensions / Weight | |
| Key Features | |
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