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Type :
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Starter Motor
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Specification :
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1.2KW 12V
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Number of feet :
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9T
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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 a 12V starter for Nissan Pickup shall follow the procedure of Power Off → Cleaning → Positioning → Fastening → Wiring → Reassembly → Testing. The core requirement is to fix bolts and terminals according to standard torque, ensuring reliable electrical connections and proper gear meshing. The following are general installation steps and key parameters, applicable to most Nissan Pickup models (e.g., Navara, Frontier, etc.). For specific details, refer to the vehicle maintenance manual.
Turn off the vehicle engine, engage the parking brake, and shift to P/N gear; disconnect the negative cable of the battery to prevent short circuits.
Prepare tools: socket wrench (14–17mm is commonly used), torque wrench, wire brush, cleaning cloth, anti-loosening agent, and electrical insulating tape.
Verify that the model/part number of the new starter matches the original one. Ensure that the solenoid switch, drive gear, and bearings are free from jamming, and the wire harness terminals are free from oxidation.
Clean the mating surface of the engine and transmission as well as the mounting bolt holes to remove oil stains, rust, and old sealant. Replace locating pins/bushings if necessary.
These precautions are formulated in accordance with Nissan after-sales maintenance specifications and automotive electrical installation standards, covering four core dimensions: safe operation, component assembly, electrical connection, and functional verification, to ensure stable operation and standard service life of the starter after installation.
Disconnect the negative battery cable first, and wait for at least 2 minutes after disconnection to allow the capacitors in the engine compartment to discharge completely. This prevents short circuits that could burn out the starter solenoid switch or the vehicle ECU during installation.
Park the vehicle on a flat surface, engage the parking brake, shift to P gear (for automatic transmission) or neutral gear (for manual transmission), and secure the wheels with wheel chocks to prevent rolling.
Verify that the part number, number of drive gear teeth, and mounting hole spacing of the new starter are consistent with the original vehicle (e.g., the starter part number for Nissan Navara models is mostly 23300-4KH0A, etc.). This avoids gear meshing misalignment or mismatched mounting bolts.
Check for jamming of the starter solenoid switch and overrunning clutch: Manually toggle the drive gear—it should extend and retract flexibly without jamming or abnormal noise. During a power-on test (standalone test), the gear should pop out quickly and retract smoothly after power is cut off.
Thoroughly clean oil stains, rust, and old sealant from the mating surface of the engine and transmission, as well as the mounting bolt holes. A wire brush paired with a cleaning agent can be used for this purpose to ensure the starter fits tightly without gaps after installation.
Check for deformation of the mounting bolt holes and integrity of the threads. Damaged threads must be repaired before installation to prevent bolt loosening.
Adopt the method of cross pre-tightening + final torque fastening: First, screw the two fixing bolts 2–3 turns into the threads to ensure accurate positioning of the starter, then use a torque wrench to perform cross fastening according to the standard torque of 35–40N·m (torque varies slightly for different model years; refer to the maintenance manual for details).
Do not use an air impact wrench to fasten the bolts directly, as the instantaneous excessive torque may cause the starter housing to crack or the threads to strip.
Apply anti-loosening agent (e.g., medium-strength thread locker) to the bolts, especially for pickup trucks used in off-road conditions, to prevent bolt loosening due to driving vibrations.
After installation, manually rotate the crankshaft pulley to check the meshing condition of the drive gear and flywheel ring gear. The assembly is acceptable if there is no jamming or abnormal noise. The normal meshing clearance is 0.5–1.5mm—excessive clearance may cause gear grinding, while insufficient clearance will prevent the gear from retracting.
If the clearance is abnormal, check for foreign objects on the starter mounting surface and wear of the locating pins. Replace the adjusting shims if necessary.
Ensure a safe distance (≥20mm) between the starter and components such as the exhaust manifold, oil pan, and wire harnesses. This prevents high-temperature baking of the starter housing or short circuits caused by wire harness abrasion.
When reinstalling the removed guard plates and deflectors, check that the fixing clips are intact to prevent them from falling off and hitting the starter during driving.
References：
The sources of this document are categorized into three types: core authoritative sources, industry general standards, and compiled & supplementary sources. Below is a detailed breakdown with traceable information.
Applicable Models: Nissan pickup trucks including Navara (D23, etc.), Frontier, and Zhengzhou Nissan Ruiqi. It corresponds to the starting system chapter (e.g., the disassembly and assembly specifications in the "Starter Motor" section of the STR chapter).
Key Content: Core parameters such as installation torque (35–40N·m for fixing bolts, 9–10N·m for main power terminals), wiring sequence, gear meshing clearance, and power - off safety procedures are all derived from this manual.
Access Channels: Nissan dealer after - sales systems, official electronic service manuals (such as Nissan Service Workshop Manual), and professional maintenance databases (such as X431, Autodata).
For domestic models like the Ruiqi pickup truck, their maintenance manuals are consistent with Nissan's global specifications. They supplement installation details and part number verification requirements adapted to domestic models (e.g., part number 23300 - 4KH0A).
Industry Maintenance Practices: Practices such as cross - pre - tightening of bolts, prohibition of using air impact wrenches for fastening, 5 - second single - start limit, and 15 - second interval are supplements based on Nissan's maintenance experience and industry - general operating specifications.
Integration of Technical Data: It combines the general installation logic of automotive starters (such as cleaning the mounting surface, preventing wire harness interference, and checking gear meshing) and optimizes details to adapt to common structures of Nissan pickup trucks, such as two - bolt fixing.
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