DB Electrical 400-48156 Alternator Instruction Manual

1. Produto acabadoview

This manual provides essential information for the installation, operation, and maintenance of your DB Electrical 400-48156 remanufactured alternator. This unit is designed to replace the original alternator in compatible Nissan and Infiniti vehicles, ensuring proper electrical system function and battery charging.

Key specifications for this alternator include:

• Tipo de unidade: Alternador
• Volumetage: 12V
• Rotação: Sentido horário (CW)
• Ampidade: 110A
• Pulley Class: S6
• Tipo de regulador: Internal Regulator (IR)
• Tipo de ventilador: Internal Fan (IF)

2. Compatibilidade do veículo

This DB Electrical 400-48156 alternator is compatible with the following vehicle models and years:

• INFINITI: FX35 (2003-2008), G35 (2003-2006)
• NISSAN: 350Z (2003-2006), PATHFINDER (2004)

Please verify part fitment for your specific vehicle before installation. Refer to your vehicle's service manual for detailed compatibility information.

3. Produto Views

Frente view of the DB Electrical 400-48156 alternator, showing the pulley and mounting points.

Traseira view of the alternator, highlighting the electrical connection points and cooling fins.

Top-down perspective of the alternator, showing the overall casing e componentes internos.

Angulado view of the alternator, detailing the various mounting brackets and bolt holes.

Lado profissionalfile of the alternator, illustrating its compact design and cooling vents.

Fechar-se view of the alternator's pulley and shaft assembly.

4. Instruções de instalação

Segurança em primeiro lugar: Always disconnect the negative battery terminal before beginning any work on your vehicle's electrical system. Wear appropriate safety gear, including gloves and eye protection. Consult your vehicle's specific service manual for detailed steps and torque specifications.

1. Preparar o veículo: Park the vehicle on a level surface, engage the parking brake, and turn off the engine. Allow the engine to cool completely.
2. Desconecte a bateria: Locate your vehicle's battery and disconnect the negative (-) terminal first, followed by the positive (+) terminal. Isolate the cables to prevent accidental contact.
3. Alternador de acesso: Depending on your vehicle model, you may need to remove other components (e.g., air intake, belts, covers) to gain access to the alternator.
4. Remova a correia de transmissão: Loosen the tensioner pulley to relieve tension on the serpentine belt, then remove the belt from the alternator pulley.
5. Desconecte a fiação: Carefully disconnect all electrical connections from the old alternator. This typically includes the main power wire (often a large gauge wire with a nut) and a multi-pin connector for the regulator.
6. Remova os parafusos de fixação: Unbolt the old alternator from its mounting brackets. Note the position and type of each bolt.
7. Remove Old Alternator: Carefully extract the old alternator from the engine bay.
8. Instalar um novo alternador: Position the new DB Electrical 400-48156 alternator into place and secure it with the mounting bolts. Tighten bolts to manufacturer specifications.
9. Reconecte a fiação: Reconnect all electrical connections to the new alternator. Ensure connections are clean and secure.
10. Instalar a correia de transmissão: Route the serpentine belt correctly over all pulleys, including the alternator pulley. Adjust the tensioner to achieve the proper belt tension.
11. Reconecte a bateria: Reconnect the positive (+) battery terminal first, then the negative (-) terminal.
12. Sistema de teste: Start the engine and check for proper charging system operation. Observe the dashboard warning lights and use a voltmeter to confirm the battery is charging (typically 13.5-14.5V).

5. Operação

The alternator is a crucial component of your vehicle's electrical system. Its primary function is to generate electrical power to run the vehicle's electrical components (lights, radio, ignition system, etc.) and to recharge the battery while the engine is running. When the engine is off, the battery powers these components. Once the engine starts, the alternator takes over, converting mechanical energy from the engine's crankshaft (via the serpentine belt) into electrical energy.

A properly functioning alternator will maintain a stable voltage output, typically between 13.5 and 14.5 volts, ensuring the battery remains charged and all electrical systems receive adequate power. Fluctuations outside this range may indicate an issue with the alternator or other charging system components.

6. Manutenção

While alternators are generally low-maintenance components, periodic checks can help ensure their longevity and proper function:

• Inspect Drive Belt: Regularly check the serpentine belt for cracks, fraying, or excessive wear. Ensure it has proper tension. A loose or worn belt can lead to insufficient charging.
• Verifique as conexões de fiação: Periodically inspect all electrical connections to the alternator for corrosion, looseness, or damage. Clean any corrosion and ensure connections are tight.
• Saúde da bateria: A weak or failing battery can put extra strain on the alternator. Ensure your battery is in good condition and holds a charge properly.
• Evite sobrecarga: Minimize the use of high-draw electrical accessories when the engine is off or at low RPMs to reduce strain on the charging system.
• Mantenha limpo: Keep the alternator free from excessive dirt, oil, and debris, which can hinder cooling and affect performance.

7. Solução De Problemas

If you experience issues with your vehicle's charging system, consider the following common problems and potential solutions:

Se as etapas de resolução de problemas não solucionarem o problema, recomenda-se consultar um técnico automotivo qualificado.

8. Especificações técnicas

• Fabricante: DB Elétrica
• Número do modelo: 400-48156 (also AMT0179)
• Peso do item: Aproximadamente 13.57 libras
• Dimensões da embalagem: Aproximadamente 9.84 x 7.56 x 6.61 polegadas
• Acabamento Exterior: Usinado
• OEM Part Numbers Replaced: 11052, 11052N, 12569, 1-3030-01MI, 203-5047, 213-9563, 23100-CD010, 400-48156, 90-27-3302, A3051, A3TG0191, A-8981, LRA03601, M900134, 13-9563

9. Garantia e Suporte

For information regarding the warranty period and terms for your DB Electrical 400-48156 alternator, please refer to the documentation provided at the time of purchase or visit the official DB Electrical website. If you require technical assistance, have questions about installation, or need to process a warranty claim, please contact DB Electrical customer support directly through their official channels.