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Type :
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Alternator
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Specification :
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12V 120A
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Pulley :
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6PK
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Brand :
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NUOJIN
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Number :
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LRA2967
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Quality :
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Remanufacture
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Delivery time :
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30 days
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Citroën and Peugeot both belong to the Stellantis Group. The core installation process for the 12V generator is consistent across most of their models, with only some vehicles equipped with special electrical systems requiring additional initialization. Below is a universal installation method suitable for both brands, with specific annotations for model-specific differences:
Power Disconnection for Safety: After turning off the ignition switch, wait 15 minutes to allow the vehicle’s ECU to save its learned data. Then disconnect the negative battery cable to prevent short circuits or damage to electronic components. If there are rotating parts such as fans in the engine compartment, secure them with tape to avoid accidental contact.
Tools and Accessories: Prepare tools including wrenches, sockets, torque wrenches, and rags. Confirm that the new 12V generator model is compatible with the vehicle’s engine, check for no external damage to the new generator, and ensure all supporting components (e.g., bolts, washers) are complete. Prioritize original factory or authorized accessories.
Wiring Documentation: If the wiring of the old generator is complex, take photos in advance to record the correspondence between wires and terminals. Some models have clearly marked terminals—remember their connection methods.
Disassembling Peripheral Components: For some models (e.g., certain Peugeot variants), you need to first remove the engine underguard, right front wheel, and fender to access the generator. Then use a tool to loosen the belt tensioner, remove the drive belt once tension is released, and remember the belt routing.
Disconnecting Wiring Connections: Locate the wire connectors and terminals of the old generator. First unplug the wire connectors, then use a tool to loosen and remove the fixing nuts on the terminals. Handle the cable joints gently when separating them to avoid tearing surrounding wires.
Removing the Old Generator: For models requiring clearance from surrounding components, loosen the fixing bolts of the power steering pump or air conditioning compressor, shift the components sideways, and secure them (do not open their respective circuits to prevent fluid leakage or air conditioning pipe bending). Then loosen the generator’s fixing bolts and smoothly remove the old generator to avoid colliding with other engine compartment parts.
Cleaning and Positioning: Wipe the contact surface of the generator mounting bracket with a rag to remove dust and oil. Place the new generator on the bracket, align the bolt holes, and initially secure it with bolts without fully tightening to reserve adjustment space.
Connecting Electrical Wiring: Insert the connectors into the corresponding interfaces of the new generator according to the previously recorded wiring positions. Firmly tighten the cables at the terminals, and reinstall insulated washers in their original positions to prevent electric leakage. Note that the generator’s positive terminal connects to the vehicle’s power supply line, and the generator body must be properly grounded to the negative battery terminal.
Resetting the Belt and Components: Fit the drive belt onto the new generator and other pulleys following the original routing. Adjust the generator’s position to achieve moderate belt tension. Then use a torque wrench to tighten the generator’s fixing bolts to the standard torque—for some Peugeot models, one fixing bolt should be tightened to 4±1 daN.m, and the other to 4.9±1.2 daN.m. Finally, reset and secure the previously shifted power steering pump, air conditioning compressor, and other components.
Initialization Matching: For models such as the Peugeot 3008 and some new Citroën variants with electronic control systems, connect a dedicated diagnostic tool to the vehicle after installing the new generator. Access the control system, locate "Generator Settings," complete parameter input and initialization, and calibrate the battery charging status.
Power-on Testing: Reconnect the negative battery cable, start the engine, and use a voltmeter to measure the output voltage (normal range: approximately 13.5–14.5V). Observe whether the charging indicator light on the instrument panel turns off and check for any fault warning lights.
Final Recheck: Run the vehicle for 5–10 minutes. Inspect the generator and wiring for abnormal heating or unusual noises. Reconfirm that all bolts are secure, the belt is properly aligned without slipping, surrounding components are connected correctly, and there is no fluid leakage.
Focusing on safe operation, vehicle adaptation, installation accuracy and special system requirements, the core precautions are detailed as follows:
You must wait 15 minutes before disconnecting the power supply to allow the vehicle's ECU (Electronic Control Unit) to complete the saving of learned data. Then disconnect the negative terminal of the battery to avoid damage to electronic components.
When it is necessary to move the power steering pump or air conditioning compressor during disassembly or installation, never open their circuits, so as to prevent fluid leakage or bending of air conditioning pipes.
Keep away from high-temperature components in the engine compartment during operation. Do not exert excessive force when tightening bolts and terminal posts, so as to avoid thread stripping, or damage to the alternator housing and wire connectors.
The new alternator must be fully compatible with the vehicle's engine model. Some Citroën and Peugeot models are equipped with alternators of exclusive specifications. Inconsistent models should be avoided to prevent electrical system malfunctions.
Priority should be given to original factory or authorized accessories. Non-standard accessories such as bolts and washers may cause loosening and electric leakage, which will affect installation stability.
After removing the old alternator, inspect the drive belt simultaneously. If cracks, aging or splits are found, the belt must be replaced in a timely manner to prevent subsequent drive failure.
Wiring must be strictly in accordance with the recorded original circuit or the vehicle manual. The positive terminal post and the grounding wire must not be reversed; otherwise, the alternator or vehicle electrical appliances will be burned out.
The belt tension needs to be adjusted precisely. Excessively loose tension will lead to low power generation efficiency and belt slipping, while excessively tight tension will wear the alternator bearings and pulleys. For some models, a torque wrench must be used to tighten the bolts to the standard torque.
The contact surface of the mounting bracket should be clean and free of oil stains to ensure that the alternator remains stable without wobbling after being fixed. This prevents abnormal noise or component wear during operation.
References：
It is assumed that you are referring to the precautions for installing the 12V alternator in Citroën and Peugeot vehicles. This content is not derived from a single authoritative document or exclusive official manual, but is comprehensively compiled by integrating brand-specific maintenance materials for these two vehicle makes and universal installation standards in the automotive industry. Specific reference sources are as follows:
Multiple Peugeot maintenance materials included in
Docin.com (Yuanshangli Documents) contain explicit relevant content. For example:
Peugeot Vehicle Mechanical Maintenance Diagram C2 CHINA - Disassembly and Installation of Alternator details key points such as waiting 15 minutes after turning off the ignition switch before disconnecting the battery to preserve the ECU's learning mode, and specifies torque requirements for fixing bolts during installation.
Genuine 2006 Peugeot C2 TU3AF Engine Maintenance Manual outlines special operational requirements in its alternator-related chapters, such as the need to move the compressor without disconnecting the air conditioning circuit when removing the alternator from air-conditioned models.
Additional maintenance documents on accessory drive belts supplement operational key points for removing the alternator-matched belt and adjusting tension during installation.
General alternator installation guides published on Autohome and PCauto also serve as important references. These documents cover core precautions including disconnecting the negative battery terminal to prevent short circuits, documenting wiring to avoid connection errors, and adjusting belt tension to prevent slipping (due to looseness) or bearing wear (due to excessive tightness). These standards are equally applicable to the installation of 12V alternators in Citroën and Peugeot vehicles, acting as universal and critical operational guidelines.
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