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Type :
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starter
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Specification :
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12V 1.8KW
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Number of feet :
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13T
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Brand :
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nuojin
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Number :
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31B66-00101
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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 of the 12V 1.8KW starter for Mitsubishi models follows the universal logic for automotive starter installation, while requiring adaptation to the mechanical layout characteristics of Mitsubishi vehicles. The core requirements are safe power disconnection, precise alignment, and standardized wiring. Below is a detailed procedure covering tool preparation, installation steps, and testing, compatible with most Mitsubishi models equipped with this specification starter:
Prepare tools including socket wrenches, a torque wrench, long-nose pliers, and electrical tape. If under-vehicle access is required for installation, additionally prepare a jack and stands to secure the vehicle.
Wear non-slip, oil-resistant gloves and goggles to prevent oil contamination and metal debris injuries. A small amount of thread-locking adhesive can be prepared to enhance bolt fixation.
Confirm the new starter is a 12V 1.8KW model and compatible with the engine type of the corresponding Mitsubishi vehicle.
Inspect the starter:
No cracks on the housing;
No broken teeth on the drive gear;
Brush wear does not exceed 3mm;
No ablation on the solenoid switch contacts.
If the vehicle’s radio or other devices have an anti-theft code, record it in advance to avoid data loss after power restoration.
Turn off the ignition switch, remove the key, and disconnect the negative battery terminal with a wrench to prevent accidental power contact.
If the vehicle is equipped with capacitive energy storage components, let it stand for 5-8 minutes to discharge residual electricity.
Clean oil, dust, and debris from the starter mounting position (at the junction of the engine and transmission housing).
For some Mitsubishi models, remove the engine splash guard or starter protective cover to expose the mounting position.
Move the new 12V 1.8KW starter to the mounting position, ensuring the drive gear faces the flywheel. Align it with the fixed bolt holes on the engine block and gently fit it to the mounting surface.
Do not forcefully press or pry, as this may damage the threaded holes or starter housing.
Insert the mounting bolts and hand-tighten them for preliminary fixation. Referring to the starter installation torque standard for Mitsubishi models such as the Montero, torque the bolts to 20-25 ft-lbs (approximately 27-34N·m) using a torque wrench.
Tighten the bolts symmetrically in stages to prevent the starter from tilting.
If bolts are rusted, replace them with high-strength bolts of the same specification. A small amount of thread-locking adhesive can be applied to improve stability.
First, connect the thick power cable to the starter’s power terminal, secure it with a nut, and control the torque to 8-12N·m to prevent terminal loosening and overheating.
Next, connect the thin control wire to the solenoid switch’s control terminal, ensuring the connector is fully engaged and secure.
If wire clamps are available, fix the wiring harness simultaneously to avoid tangling and interference with surrounding components.
Reattach the previously removed engine splash guard, starter protective cover, and other components to their original positions. Ensure secure installation without interfering with the starter or surrounding components’ movement space.
After rechecking for correct wiring (no reverse connections or loose contacts), reconnect the negative battery terminal.
Gently pull the wiring harness to confirm no loose connections. Organize the harness and clip it into the corresponding fasteners to avoid contact with rotating components such as the flywheel and pulley.
Turn off all on-board electrical devices, turn the ignition switch, and test. Under normal conditions, the starter should quickly drive the flywheel to rotate without idling, grinding noise, or jamming.
If the engine fails to start after three consecutive attempts, stop and inspect the gear meshing or wiring connections.
Each startup attempt should not exceed 5 seconds, with a 10-15 second interval between consecutive attempts.
After successful testing, enter the anti-theft code to restore device settings and calibrate the vehicle clock.
Allow the vehicle to stand for a short period, then recheck that the starter mounting bolts and wiring terminals are secure.
Clean up tools, rags, and other debris from the engine compartment. Finally, ensure the wiring harness maintains a safe distance from high-temperature components such as the exhaust pipe.
Combining the structural characteristics of the Mitsubishi 12V 1.8KW starter (medium power output, adapted to the compact mechanical layout of Mitsubishi models) and installation process requirements, the following precautions are organized around five core dimensions—safe operation, component protection, process specifications, fault prevention, and model adaptation—to ensure stable operation after installation:
Before installation, must disconnect the negative battery terminal. If the vehicle is equipped with a capacitive energy storage module (e.g., some hybrid or high-end models), let it stand for 5-8 minutes to discharge residual electricity.
Strictly prohibit hot-swapping wires, prying the starter, or touching terminals while powered on. When restoring power, only reconnect the negative terminal (the negative terminal was disconnected during disassembly; there is no need to reverse the positive and negative order).
Incorrect polarity connection will directly burn the starter coil, on-board ECU, and other core electronic components, causing irreversible damage.
Wear non-slip, oil-resistant gloves throughout the process to prevent tool slippage due to oily hands and scratches from sharp edges of the starter housing.
Wear goggles, especially when cleaning the mounting position or tightening bolts, to prevent metal debris and oil splatter from entering the eyes.
If under-vehicle operation is required, use a jack with supporting stands to securely stabilize the vehicle. Strictly prohibit relying solely on the jack for load-bearing to avoid vehicle rollover and safety accidents.
During installation, strictly avoid placing hands or tools near rotating components such as the flywheel, pulley, and timing belt.
Before testing, thoroughly remove tools, rags, wires, and other debris from the engine compartment to prevent mechanical damage caused by entanglement during startup.
Prohibit touching terminals with metal tools while the starter is powered on to avoid short circuits and sparks; do not step on or squeeze the wiring harness during installation to prevent insulation damage.
If there is misalignment between the starter and the engine block's bolt holes:
Fine-tune the engine position by manually rotating the crankshaft pulley;
Or gently tap the edge of the starter housing with a rubber hammer (direct striking with a metal hammer is prohibited) to assist alignment.
Never pry the bolt holes with a screwdriver. Violent operations may cause housing deformation, thread stripping, or damage to internal drive gears and bearings, affecting the starter's service life.
Compatibility Confirmation:
Before installation, confirm the new starter is a 12V 1.8KW model fully compatible with the engine type of the corresponding Mitsubishi vehicle (e.g., Outlander, ASX, Pajero).
Focus on verifying that the mounting hole spacing and drive gear module match the original vehicle's flywheel to avoid weak startup or gear meshing noise due to incompatibility.
References：
The installation precautions for the Mitsubishi 12V 1.8KW starter you previously obtained are not derived from a single specific official document or webpage. Instead, they are compiled and summarized by integrating information from multiple authoritative sources, combining the maintenance characteristics of Mitsubishi models, the structural features of this specification starter, and the universal specifications for automotive starter installation in the industry. The specific references are as follows:
The official maintenance logic for some Mitsubishi models provides the core basis for the content. For example, the tightening torque of 20-25 ft-lbs (approximately 27-34N·m) for the starter mounting bolts in the document is consistent with the official replacement torque standard for the starter of Mitsubishi Montero models. Additionally, basic processes such as disconnecting the negative battery terminal before installation and removing the protective cover to expose the mounting position align with the universal disassembly and assembly specifications for starters of this model.
The specification parameters from component manufacturers offer compatibility references. Manufacturers such as Zhuowo Auto Parts have clearly marked 12V 1.8KW starter models compatible with Mitsubishi (e.g., ZW-MT-277-ST). Their labeling of core specifications such as the starter’s voltage and power provides component-level support for the requirements related to component compatibility verification in the content.
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