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Type :
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Engine starter
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Specification :
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12V 1.4KW
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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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4Y-3708010A QDY1253
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Quality :
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Remanufacture
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Delivery time :
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10DAYS
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Many Jinbei models are equipped with a 12V 1.4KW starter, most of which adopt a planetary gear reduction drive design. The installation can refer to the general specifications of Jinbei models and the adaptation requirements of this power-rated starter. The detailed steps and precautions are as follows:
Prepare tools including a 10-12mm box-end wrench, socket wrench, torque wrench, and circlip pliers. Also, prepare compatible accessories: a 12V 1.4KW Jinbei-specific starter assembly, new gaskets, a small amount of grease, and insulating tape (for auxiliary wire harness fixing). Additionally, inspect the new starter's appearance in advance to ensure the housing is free of cracks, the drive gear moves flexibly, and there is no jamming or rust.
Park the vehicle on a flat and solid surface, turn off the engine, and pull the handbrake. Must disconnect the negative battery cable first to prevent circuit short circuits during installation. After disconnection, wait 5-10 minutes to discharge residual electricity in the vehicle's circuit for enhanced operational safety. Then open the engine hood, locate the starter mounting position at the junction of the engine and transmission (usually at the right rear or left rear lower part of the engine), and clean the mounting surface of oil, rust, and residual old gaskets to avoid affecting installation fit.
Manually rotate the flywheel to ensure precise meshing between the flywheel ring gear and the starter's drive gear, then slowly fit the starter onto the mounting surface to avoid tooth damage caused by hard collision. Align the mounting holes on the starter with those on the engine to ensure smooth subsequent bolt installation.
Use M10 bolts and manually screw them in 2-3 turns to confirm no thread misalignment. Then use a torque wrench to tighten them in stages following the diagonal symmetry principle, with the tightening torque strictly controlled at 45±5N·m. Over-torque (which may cause mounting surface deformation) or insufficient tightening (which may lead to vibration and abnormal noise during operation) is prohibited.
First, locate the starter's B terminal and solenoid switch terminal. Connect the power wire to the B terminal and the control wire to the solenoid switch terminal. Reversing or misconnecting the wires is strictly prohibited, as this will burn the coil or control module.
Tighten the power wire terminal nut to 12±2N·m and the control wire terminal nut to 8-10N·m (recommended torque). After wiring, gently pull the wires to confirm they are secure. Route the wire harness away from components such as the transmission counterweight to avoid interference during operation.
Apply a small amount of grease to the starter gearbox bushing, planetary gears, and other moving parts to ensure smooth operation. If the starter has been disassembled, check that the overrunning clutch, circlips, and other components are properly installed, and avoid missing small parts such as bearing end caps. Use insulating tape to bind the control wire to the power wire near the harness junction for enhanced stability.
Reinstall the battery bracket and battery in sequence. After tightening the bracket bolts, reconnect the battery cables following the positive terminal first, then negative terminal order. Finally, clean tools and debris from the engine hood to prevent leftover parts from affecting vehicle operation.
Turn the ignition switch to the "START" position to start the vehicle. Observe if the starter operates smoothly without abnormal gear meshing noise and if the engine starts successfully. If weak starting or gear noise occurs, shut down the engine immediately to check bolt tightness and wire harness connections. After normal startup, further confirm that the starter clutch disengages smoothly from the ring gear when the ignition switch returns to the "ON" position, ensuring the overrunning clutch and other components function properly.
Wear insulating gloves and safety goggles throughout the operation to avoid electric shock when hands touch circuit terminals, scratches from metal components, or oil splashing into eyes. Do not wear metal accessories such as rings or bracelets during work to prevent potential safety hazards caused by accidental conduction.
Must disconnect the negative battery cable before installation (removal order: negative first, then positive; connection order: positive first, then negative). Live operation is strictly prohibited. After disconnection, wait 5-10 minutes to fully discharge residual electricity in the vehicle circuit, avoiding sparks from short circuits, damage to electrical components, or fire hazards.
Vehicle parking requirements: Park the vehicle on a flat, solid, and level surface. Pull the handbrake and place wheel chocks if necessary to prevent the vehicle from sliding during operation. Installation work is strictly prohibited on soft ground, slopes, or areas without safety protection.
Operating environment specifications: Maintain good ventilation and dryness when working in the engine compartment. Keep away from flammable and explosive materials such as gasoline, diesel, alcohol, and rags. Clean up debris inside the compartment to prevent tools or parts from falling and causing engine jamming or short circuits during operation.
Component handling protection: The starter of this specification weighs approximately 4-6kg. Lift it stably during installation to avoid slipping and damaging engine components or the operator’s feet. Push and place gently when aligning; violent impact on the mounting surface, gears, or surrounding pipelines is prohibited.
Core compatibility verification: Confirm that the model, voltage (12V), and power (1.4KW) of the new starter match the original factory specifications of Jinbei models. Focus on verifying the mounting hole spacing, drive gear module/tooth count, and flange dimensions—these must fully match the flywheel ring gear to avoid abnormal meshing. It is recommended to select original Jinbei accessories or compliant brand products; non-standard or refurbished products are strictly prohibited.
Starter appearance inspection: The housing shall be free of cracks, deformation, or collision marks. The drive gear moves flexibly and rebounds smoothly when pressed manually, with no jamming, rust, tooth wear, or missing teeth. Terminals (B terminal, solenoid switch terminal) are free of oxidation and loosening; wire connectors have no damage or aging; the solenoid switch surface has no bulges or ablation marks.
Installation accessory verification: The specifications of fixing bolts must match the original factory (usually M10 high-strength bolts). Bolts with mismatched specifications, fatigue, rust, or thread damage are strictly prohibited. New gaskets must fully match the size of the mounting surface; replacing with new gaskets is recommended to ensure tight sealing and prevent vibration-induced loosening or engine oil leakage.
Auxiliary material requirements: Grease shall be high-temperature resistant and anti-aging automotive-specific grease (e.g., lithium-based grease). Ordinary butter is prohibited, as it may melt at high temperatures and cause gear jamming. Insulating tape shall be flame-retardant and temperature-resistant to ensure the safety of fixed wire harnesses.
References：
As indicated at the end of the previously provided content, the sources for the Jinbei 12V 1.4KW starter installation information are explicitly cited as follows:
Jinbei Automobile Official Maintenance Manual (12V 1.4KW Starter Adaptation Version)
Industry Standard for Automotive Starter Installation and Maintenance (QC/T 731-2005)
The rationality of these sources can be verified through public automotive maintenance materials, with specific correspondences detailed below:
This manual serves as the core reference basis. The "Jinbei Zhonghua Sedan Starting System Maintenance Manual" published on
Doc88.com specifies that the starters of relevant Jinbei models adopt a planetary gear reduction drive design with a rated output power of 1.4KW (12V). It also clarifies core structural and operational principles such as the linkage between different ignition switch positions and the starter clutch.
These details are highly consistent with the content provided, including the starter's adaptation specifications, requirements for coordinating wire harnesses with the ignition switch during installation, and component assembly logic. This manual is therefore the primary source of model-specific installation specifications in the content.
This universal industry technical standard provides the general technical basis for the content. For example:
Requirements from Daowen.com (a technical document platform) regarding cleaning the starter mounting surface to ensure fit and controlling the tightening torque of wire harness nuts to avoid faults;
Operational guidelines from Pacific Auto Encyclopedia, such as disconnecting the negative battery cable before installation and tightening bolts according to standard torque.
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