Metzger 900658sensor wheel speed

Overview

The Metzger 900658 Sensor Wheel Speed is a high‑performance ABS wheel speed sensor designed for rear‑wheel applications on Volkswagen Passat models, including the 3B and B5 generations. It delivers precise rotational data to the vehicle’s anti‑locking braking system, ensuring optimal safety and performance under all driving conditions.

Technical Specifications

• Part Number: 900658 (also referenced as 0900658 in various catalogs)
• Sensor Type: Hall effect / magnetic wheel speed sensor
• Operating Voltage: 12 V DC
• Output Signal: Pulse frequency proportional to wheel rotation (typical range: 0–400 Hz)
• Temperature Range: –40 °C to +85 °C
• Dimensions: 70 mm × 50 mm × 20 mm (approx.)
• Weight: < 200 g
• Mounting Type: Flange‑mounted with standard bolt pattern compatible with VW Passat rear hub assemblies
• Connector: 4‑pin automotive plug (standard ABS sensor connector)
• Material: High‑grade steel housing, ceramic insulation for the Hall element
• Compliance: Meets OEM specifications for Volkswagen Passat and is approved by the manufacturer for use in all rear‑wheel ABS systems.

Compatibility

The sensor is engineered specifically for the Volkswagen Passat B5 GP Sedan, Passat B5 GP Break, and 3B models. It fits both left and right rear wheel positions without modification. The part number 900658 (or 0900658) appears in multiple language catalogs—French (Capteur ABS), German (Raddrehzahl Sensor), Polish (Czujnik prędkość obrotowa koła), Spanish (Sensor revoluciones de rueda)—all referring to the same component.

Installation Guide

1. Preparation: Disconnect the vehicle’s battery and remove the rear wheel. Use a jack to lift the car safely, then secure it on jack stands.
2. Remove Old Sensor: Locate the existing ABS sensor on the hub flange. Unplug the connector and unscrew the mounting bolts using an appropriate socket set.
3. Install New Sensor: Align the new 900658 sensor with the hub flange, ensuring the Hall element faces the wheel’s magnetic strip. Secure it with the original bolts, tightening to the manufacturer’s torque specification (typically 15 Nm).
4. Reconnect Wiring: Plug the 4‑pin connector into the sensor housing, confirming a snug fit.
5. Reassembly: Lower the vehicle, reinstall the wheel, and tighten lug nuts. Reconnect the battery.
6. Verification: Start the engine and check the ABS warning light on the dashboard. It should illuminate briefly during initial spin‑up and then turn off, indicating proper sensor operation.

Key Features & Benefits

• High Accuracy: The Hall effect design provides reliable pulse generation even under extreme temperatures or vibration.
• Durability: Robust steel housing resists corrosion and mechanical impact, extending service life beyond typical aftermarket replacements.
• OEM Quality: Manufactured to Volkswagen’s stringent standards, ensuring seamless integration with the vehicle’s electronic control unit (ECU).
• Easy Replacement: Standard mounting interface allows for quick swap‑in without specialized tools or reprogramming.
• Global Availability: Listed under multiple language titles, making it accessible to international repair shops and DIY enthusiasts alike.

Maintenance & Troubleshooting

While the sensor is designed for long‑term reliability, routine checks can preempt failures:

• Visual Inspection: Look for cracks or corrosion on the housing; inspect the connector pins for bent or oxidized contacts.
• Signal Test: Use an oscilloscope or diagnostic scan tool to verify pulse frequency matches wheel speed. A flat line indicates a faulty sensor.
• Wheel Alignment: Ensure the magnetic strip on the hub is clean and properly aligned; debris can disrupt signal generation.

Conclusion

The Metzger 900658 Sensor Wheel Speed delivers uncompromised performance for rear‑wheel ABS systems in Volkswagen Passat vehicles. Its precise engineering, durable construction, and straightforward installation make it the preferred choice for both professional technicians and knowledgeable owners seeking to maintain vehicle safety standards.