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Type :
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Starter Motor
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Specification :
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1.1 KW 12V
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Number of feet :
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11T
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Brand :
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NUOJIN
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Number :
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Quality :
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refurbish
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Delivery time :
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30 days
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The installation of 12V starter for Mitsubishi vehicles follows the core sequence of "Power-off Safety → Cleaning & Positioning → Fastening the Main Body → Wiring Compliance → Verification & Commissioning". Fasten components strictly according to the specified torque and ensure reliable meshing clearance and electrical connections. This method is applicable to most Mitsubishi models (e.g., Pajero, Outlander, Lancer, etc.). Below are the general standard procedures, key parameters and model-specific differences.
Disconnect the negative battery cable and wait for at least 5 minutes to discharge residual power from electronic components such as the ECU, preventing short circuits that could burn the starter and wire harnesses.
Prepare socket wrenches (10–17mm are commonly used), torque wrench, wire brush, high-temperature resistant grease. The new starter must match the vehicle VIN and engine model (e.g., 4G63, 4J11, 6G72). Verify the definitions of solenoid switch terminals (M/B+, S/IG, C/L).
Clean oil stains, rust and old sealant residues from the mating surface between the starter and transmission/flywheel housing. Check that the locating pins and bolt holes are free from deformation, the starter drive gear and overrunning clutch operate without jamming, and the solenoid switch functions properly.
Apply a small amount of lithium-based grease to the drive gear splines and thrust washers to avoid dry friction.
Compact Models (Lancer/Outlander Sport with 4J11/4J12 engines)The starter is located on the transmission side; the intake resonance chamber or right front wheel inner fender needs to be removed for access. There are 2 M10 mounting bolts, the solenoid switch faces upward, and the S-terminal plug is waterproof.
Mid-size SUVs (Outlander/Pajero Sport with 4J12/6B31 engines)The starter is equipped with a heat shield; install the heat shield first before fastening the starter main body. The B+ terminal is equipped with an anti-reverse connection diode—reverse polarity connection is strictly prohibited during wiring.
Full-size Off-road Vehicles (Pajero V93/V97 with 6G72 engines)There are 3 mounting bolts; the installation must be performed from under the chassis. The solenoid switch terminals are located on the side, and the clearance adjustment gaskets are of special specifications—mixed use of non-matching gaskets is forbidden.
Diesel Models (L200 with 4N15 engines)The starter is equipped with a glow plug interlock wire; connect the glow plug plug first before installing the main power supply. The mounting bolt torque is 45Nm, and the solenoid switch has an IP67 protection rating—take precautions to avoid short circuits caused by water wading.
Starting Voltage: The voltage during cranking shall be ≥9.6V at room temperature, and ≥8.5V at low temperature (–10℃).
Meshing Condition: No gear grinding noise during startup, the drive gear retracts quickly without jamming.
No-load Current: The no-load current at 12V shall be ≤90A without abnormal temperature rise.
Starter fails to operate: Check the S-terminal signal, B+ terminal voltage and grounding circuit.
Gear grinding during startup: Re-adjust the gear end face clearance or inspect the flywheel ring gear for wear.
Idling/weak cranking: Inspect the overrunning clutch or check for insufficient pull-in stroke of the solenoid switch.
Keep the negative battery cable disconnected throughout the process to prevent short circuits in the wire harness that could burn the ECU or starter windings.
Strictly follow the specified torque to avoid bolt breakage or leakage at the mating surface.
It is strictly prohibited to perform power-on tests when the starter is not fixed, to prevent the drive gear from popping out and causing injury.
Electrical connections shall comply with the ISO 16750 automotive electrical safety standard, with proper terminal insulation and anti-loosening measures in place.
These precautions are formulated based on Mitsubishi Service Manual and ISO 16750 automotive electrical safety standard. They cover four core dimensions: electrical safety, mechanical assembly, clearance calibration, and model adaptation, and are applicable to the installation of 12V starters for all Mitsubishi models (Pajero, Outlander, Lancer, L200, etc.).
Before installation, the negative battery cable must be disconnected and wait for at least 5 minutes to fully discharge the residual power in electronic components such as the ECU and starter solenoid switch. Hot plugging of wire harnesses or operation of the starter is strictly prohibited.
For vehicles equipped with an intelligent start-stop system, the negative cable of the start-stop battery must be additionally disconnected to prevent accidental activation of the starter caused by system mis-triggering.
Wiring Priority: Connect the signal terminal (S/IG) first, then the main power terminal (M/B+). Reverse operation is strictly prohibited. The nut of the main power terminal shall be tightened to a torque of 10–12Nm, with a flat washer and a lock washer installed to prevent loosening due to vibration.
Ensure that the insulation sheath of the main power cable is free from damage, and that it does not come into contact with metal components such as the engine block and transmission case to avoid ground short circuits that could burn the starter windings.
Refit the wire harness fixing clips in their original positions to prevent friction between the wire harness and high-temperature/rotating components such as the flywheel and exhaust pipe. For diesel models, the glow plug interlock wire harness must be fixed separately to prevent interference with starter meshing.
References：
All core parameters and specifications involved in the aforementioned installation precautions are derived from the following sources, ensuring the compliance and accuracy of the operation.
Mitsubishi Service ManualIt covers the starter installation specifications for Mitsubishi's mainstream models (including Pajero, Outlander, Lancer, L200, etc.) and engine types (such as 4G63, 4J11, 6G72, 4N15). The manual contains core data including mounting bolt torque (40–55Nm), end face clearance between the drive gear and flywheel ring gear (0.5–2.0mm), definitions of electrical terminals (S/IG, M/B+), pre-lubrication positions and grease types, serving as the fundamental basis for mechanical assembly and electrical wiring requirements. For example, parameters such as the 40–50Nm torque for the starter mounting bolts of 4J series engines, 45–55Nm for 6G72 V6 engines, and 10–12Nm for the B+ terminal nut are all quoted from this manual.
Mitsubishi Technical Service Bulletin (TSB)The troubleshooting solutions for common faults during starter installation (e.g., gear grinding during startup, idle cranking) and special disassembly and assembly requirements for different models (e.g., the need to remove the right front wheel inner fender for Lancer, and the requirement to operate from under the chassis for Pajero V93) are all cited from the technical guidelines of this bulletin. For instance, the treatment plan for abnormal startup noise specified in TSB-14-11-002 clarifies the adaptation and installation key points of the starter and flywheel/drive plate.
ISO 16750 Environmental Conditions and Testing for Electrical and Electronic Equipment in Road VehiclesThe electrical safety provisions (such as power-off operation, ≥5 minutes of residual power discharge, and the starting voltage verification range of 9.6V/8.5V) as well as insulation protection and short-circuit prevention requirements, all comply with the electrical performance and safety specifications for vehicle-mounted starters stipulated in this international standard, ensuring the stability of the electrical system and personnel safety after installation.
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