Bosch 0 986 017 920 starter

BOSCH 0 986 017 920 Starter Motor

The Bosch 0 986 017 920 starter motor is a high‑performance ignition component designed to deliver reliable engine start-up for a wide range of automotive applications. Engineered with precision, this starter provides consistent torque and durability, ensuring that vehicles can be started quickly and efficiently even under demanding conditions.

Key Technical Specifications

• Output Power: 1.2 kW (approximately 1.6 hp)
• Operating Voltage: 12 V DC
• Current Draw: Up to 200 A during start-up
• Weight: Approximately 2.5 kg (varies slightly by model)
• Dimensions: Roughly 140 mm × 120 mm × 90 mm (exact measurements depend on mounting configuration)
• Mounting Type: Standard bolt‑on with integrated flange for secure attachment to the engine block
• Operating Temperature Range: –40 °C to +120 °C, suitable for both cold climates and hot operating environments
• Material Composition: High‑grade steel housing with corrosion‑resistant coatings; copper windings for optimal electrical performance

Design Features & Engineering Highlights

The starter motor incorporates several advanced design elements that set it apart from conventional units:

• High‑Efficiency Windings: Copper wire with optimized insulation reduces energy loss and enhances heat dissipation.
• Robust Gear Train: A precisely machined gear system ensures smooth torque transfer to the engine crankshaft, minimizing wear over time.
• Integrated Thermal Management: The housing includes venting channels that facilitate airflow, keeping internal temperatures within safe limits during prolonged operation.
• Sealed Bearings: Stainless steel bearings are sealed against dust and moisture, extending service life in harsh automotive environments.
• Compact Footprint: The motor’s streamlined shape allows installation in tight engine bays without compromising performance.

Compatibility & Application Range

This starter is engineered to fit a broad spectrum of vehicles, particularly those manufactured by major automotive brands. Its versatility stems from standardized mounting points and electrical interfaces that align with common 12‑volt systems.

• Passenger Cars: Models such as the Opel Astra (both G and H generations), Zafira B, Vectra B, and Chevrolet Captiva benefit from this starter’s reliable torque output.
• Commercial & Light‑Duty Vehicles: Certain light commercial vehicles that share similar engine configurations can also accommodate this unit.
• International Markets: The motor is available in multiple languages and naming conventions, reflecting its global distribution across Europe, Asia, and the Americas.

Installation Guidelines

Proper installation ensures optimal performance and longevity. Below are essential steps for mounting the starter motor:

1. Disconnect Power: Safely remove the battery’s negative terminal to prevent accidental short circuits.
2. Remove Existing Starter: Unbolt the current unit, noting the orientation of the wiring harness and any auxiliary connections.
3. Position New Motor: Align the mounting flange with the engine block’s bolt holes. Ensure that the gear teeth mesh correctly with the crankshaft pulley.
4. Tighten Fasteners: Secure all bolts to the manufacturer’s specified torque settings, typically around 70 Nm for the main mounting screws.
5. Reconnect Wiring: Attach the high‑current harness, ensuring that connectors are fully seated and insulated. Verify polarity before proceeding.
6. Test Start-Up: Reconnect the battery and attempt a start. Observe the motor’s operation; it should engage smoothly without excessive noise or vibration.

Maintenance & Troubleshooting Tips

While the starter is designed for durability, routine checks can preempt potential issues:

• Visual Inspection: Periodically examine the housing and wiring for signs of corrosion or wear.
• Electrical Testing: Use a multimeter to confirm that the voltage supplied matches specifications during start-up cycles.
• Noise Monitoring: Unusual rattling or grinding noises may indicate gear misalignment or bearing failure.
• Torque Verification: Recheck mounting bolt torque after extended use, as vibrations can gradually loosen fasteners.

Performance Benefits

Choosing the Bosch 0 986 017 920 starter motor delivers several tangible advantages for vehicle owners and mechanics alike:

• Consistent Start-Up: The high torque output ensures that engines start reliably, even in cold or high‑altitude environments.
• Longevity: Robust construction and sealed components reduce the likelihood of premature failure.
• Energy Efficiency: Optimized windings lower electrical consumption during start-up, contributing to overall vehicle efficiency.
• Ease of Replacement: Standardized dimensions and mounting points simplify swap-outs for technicians.

Conclusion

The Bosch 0 986 017 920 starter motor exemplifies engineering excellence in automotive ignition systems. Its blend of high power output, durable construction, and broad compatibility makes it an ideal choice for a wide array of vehicles requiring dependable engine start-up performance.