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Type :
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ACgenerator Alternator
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Specification :
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12V 80A
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Pulley :
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5PK
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Brand :
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nuojin
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Number :
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MN183018 MD367214
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Quality :
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Remanufacture
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Delivery time :
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10 day
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The installation steps for the 12V generator vary slightly across different Mitsubishi models, but the core process remains consistent. Below is a universal installation method suitable for most Mitsubishi vehicles; adjustments may be required for certain special models based on their specific structures. Prepare tools such as wrenches, sockets, a jack, and jack stands before operation:
First, turn off the vehicle engine and park it on a level surface. Secure the rear wheels with wheel chocks to prevent rolling.
Disconnect the negative terminal of the battery. For models equipped with airbags, wait at least 90 seconds after disconnecting the negative terminal before proceeding to avoid accidental airbag deployment.
Verify that the new 12V generator is compatible with the vehicle model. Check for no external damage and ensure the terminal posts are intact.
Align the new generator with the mounting bracket in the engine compartment and carefully place it to avoid colliding with surrounding hoses, wiring harnesses, or other components.
Insert the upper and lower mounting bolts of the generator and tighten them slightly (do not fully torque yet) to leave enough clearance for subsequent belt tension adjustment.
For models with a separate generator bracket (e.g., Mitsubishi 3000GT), assemble the generator with the bracket first before installing the entire assembly onto the engine.
Locate the corresponding wiring harness for the generator. Align the connector with the generator's interface and insert it firmly until the locking clip engages to prevent loosening.
Use a wrench to secure the nuts for the power cables and other terminal posts. Ensure the wiring order matches the sequence used during removal—reversing the connections may damage the generator or the vehicle's electrical system.
For models such as the Mitsubishi Pajero, double-check that the connector is fully seated and properly mated.
Route the drive belt correctly over the generator pulley and the corresponding engine pulleys.
Adjust the belt tension using the generator's adjustment bolt. Turn the adjustment bolt clockwise to tighten the belt until a 1/4 - 1/2 inch deflection is achieved when pressing the belt at its longest span with your finger (this indicates proper tension).
For turbocharged Mitsubishi models, confirm that the installed belt does not interfere with the intake pipe or other components.
Once the belt tension is properly adjusted, fully torque the generator's mounting bolts using a socket and ratchet. For some Mitsubishi models (e.g., those equipped with the 6G72 engine), the mounting bolt torque should be controlled between 20 - 25N·m.
Reinstall any previously removed components (such as the engine roll stopper bracket, intake hose, and splash guard) in the reverse order of removal. Torque all component bolts to the specified values.
Reconnect the negative battery terminal and tighten the terminal nut securely.
Start the vehicle and check if the dashboard charging indicator light turns off. Alternatively, use a multimeter to measure the battery voltage—an idle voltage between 13.5 - 14.5V indicates the generator is functioning normally.
If the charging indicator light remains on or the voltage is abnormal, shut off the engine immediately and inspect the wiring connections and belt tension for issues.
The core precautions for installing the 12V generator in Mitsubishi vehicles focus on safety protection, component compatibility, operational standards, and test verification to avoid equipment damage or potential safety hazards:
Always disconnect the negative battery terminal first. For models equipped with airbags, wait at least 90 seconds before starting work to prevent short circuits or accidental airbag deployment.
Wear gloves and goggles during operation. Avoid tool slippage that may collide with oil pipes and wiring harnesses in the engine compartment, and keep away from high-temperature components (e.g., exhaust pipes).
Never start the vehicle during installation. Do not turn on the power before wiring is properly connected, as this may burn the generator rectifier or the vehicle's ECU.
The new generator must be fully compatible with the vehicle model and engine model. Verify that the generator power, pulley size, and mounting holes match; forced installation may cause bracket deformation.
Before installation, check that the generator's bearings and rotor rotate smoothly, and that the terminal posts are free of oxidation or rust. Clean or replace them if necessary.
Use a drive belt that matches the original vehicle specifications. Replace aged or cracked belts simultaneously; mixing different types of belts is prohibited.
Wiring must be accurate and strictly follow the sequence used during removal. Never reverse power cables and signal wires. Fully insert connectors until the locking clips engage, and torque terminal nuts to an appropriate level (usually 8-12N·m) to avoid loose connections and overheating.
Belt tension must be neither too loose nor too tight: excessive looseness causes slipping and insufficient power generation, while excessive tightness wears the generator bearings and engine pulleys. Adjust to the standard of "1/4-1/2 inch deflection when pressing the belt with your finger" at the longest span.
Tighten mounting bolts to the specified torque (20-25N·m for most Mitsubishi models) to prevent generator vibration during operation, which may damage the mounting bracket.
After installation, start the vehicle and check if the dashboard charging indicator light turns off automatically. Use a multimeter to measure the battery voltage at idle—13.5-14.5V is normal.
After running for 5-10 minutes, check the generator's surface temperature (slight heating is normal; shut down immediately for inspection if overheating occurs, as this may indicate wiring or belt issues) and listen for abnormal noises (which may result from bearing failure or belt slipping).
If the charging indicator light remains on, voltage is abnormal, or abnormal noises occur, turn off the engine immediately for troubleshooting. Do not drive for an extended period to avoid battery depletion or further generator damage.
The installation methods and precautions for the 12V generator of Mitsubishi vehicles you previously viewed are not derived from a single exclusive official document of Mitsubishi. Instead, they are integrated based on the general installation logic of automotive generators, maintenance experience of relevant Mitsubishi models, and universal knowledge from multiple auto repair platforms. The information sources correspond to the following categories:
Overseas auto repair platforms such as carpedia.club provide disassembly and assembly steps for the generator of the 2007-2010 Mitsubishi Outlander. Meanwhile,
simonsheridan.co.uk details the modification and installation of generators for Mitsubishi Pajero and similar models. Both clearly specify core operations such as disconnecting the negative battery terminal first and removing bolts and wires in sequence—consistent with the core process in the integrated content.
Auto repair platforms like Qiche Dashi (Car Master) outline precautions for generators in Mitsubishi models equipped with the 4G18 engine, Pajero, etc., mentioning key points such as disconnecting the battery's negative terminal and tightening screws. Additionally, general generator installation steps published on PCauto and Autohome cover initial generator securing, drive belt tension adjustment, and wiring specifications. These highly align with the steps and precautions in the integrated content, serving as an important reference foundation.
The generator technical service guidelines released on Renren Wenku (Everyone's Document Library) include general requirements such as matching and securely fastening mounting bolts, keeping away from the engine exhaust port, and maintaining appropriate drive belt tension. These also serve as reference bases for the component compatibility and operational specifications in the integrated content.
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