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Type :
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ACgenerator
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Specification :
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14V 140A
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Pulley :
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6PK
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Brand :
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NUO JIN
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Number :
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F4J16-3701010 F4J16-3701010CA
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Quality :
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Renovate
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Delivery time :
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10days
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The installation process of the 14V generator for Chery vehicles follows the same general logic as that of most passenger car generators. The core lies in proper circuit protection and drive belt tension adjustment. Below are detailed installation steps tailored to Chery models, which can be fine-tuned according to the actual vehicle conditions:
Vehicle Protection: Park the Chery vehicle on a flat surface, fully engage the handbrake, and turn off the engine. After opening the hood, use a wrench to disconnect the negative battery cable without fail to avoid short circuits during installation that could damage the generator regulator or vehicle electrical modules. If there are components such as the air filter in the engine compartment that hinder installation, remove them first and place them properly.
Tool and Accessory Preparation: Prepare basic tools including wrenches, sockets, and screwdrivers. Confirm that the new 14V generator is compatible with the corresponding Chery model, check that the generator has no external damage and all accessories are complete. If there is rust on the generator terminals or vehicle connection points, prepare sandpaper for later use.
Clean the Installation Area: Wipe off oil stains, dust, and debris from the generator installation position with a clean cloth to ensure the installation surface is clean. This prevents the generator from loosening due to impurities and causing subsequent malfunctions.
Place the new 14V generator stably in the installation position, align it with the fixing bolt holes on the generator body, and manually screw in the bolts for initial positioning. Do not fully tighten them at once to reserve adjustment space for subsequent belt tension adjustment. Handle the generator with care during placement to avoid colliding with the housing, which could damage internal precision components such as coils.
If there is rust or oxide on the terminals, first polish them clean with sandpaper to ensure good conductivity. Refer to the wiring marks on the old generator to locate the "B+" terminal and other signal interfaces of the new generator. Connect the power cables and signal wires according to the marks, and never reverse the positive and negative poles, as this will burn out electrical components. Control the force when tightening terminal nuts, ensure plugs are fully inserted and locked in place, and organize the wiring harness to avoid entanglement or contact with high-temperature components such as the exhaust pipe.
Use a tool to pry the belt tensioner, compress its internal spring, and maintain this state while accurately fitting the drive belt onto the generator pulley. Ensure the belt is fully aligned with the grooves of the engine-side pulley. Slowly release the tensioner to allow the belt to naturally fit into the grooves. Then check the tension—an ideal sinkage of 1-2 centimeters when pressed. An overly loose belt may slip and affect power generation, while an overly tight belt will accelerate generator bearing wear.
After confirming the belt tension is normal, fully tighten the generator’s fixing bolts one by one with a socket in accordance with the torque standards of the Chery model to prevent loosening due to vibration during vehicle operation. Then reinstall the previously removed accessories such as the air filter in the reverse order of removal and tighten all fixing screws.
Reconnect and tighten the negative battery cable. After starting the engine, observe whether the charging fault light on the instrument panel turns off. Use a multimeter to test the generator’s output voltage and confirm it falls within the standard range for the 14V system. Meanwhile, pay attention to any abnormal noises around the generator, such as belt slipping or metal friction. If abnormalities occur, shut down the engine immediately to check for proper belt tension or deviations in the generator’s installation position. The installation is complete only when all indicators are normal.
The installation of the 14V alternator for Chery vehicles must take into account electrical safety, mechanical assembly standards, and subsequent commissioning verification. Below are the core precautions covering the entire installation process, which can effectively prevent equipment damage and potential safety hazards. Details are as follows:
Complete Power Cut to Prevent Short Circuits
Park the vehicle on a flat surface and firmly engage the parking brake before installation, then disconnect the negative battery cable with a wrench. Although the voltage of the 14V system is lower than that of the 28V system used in commercial vehicles, live - line operations can still easily cause short circuits, burning out the alternator regulator and the vehicle's own electrical modules. The power must remain disconnected throughout the entire wiring process.
Verify Component Compatibility
Prioritize the use of original or certified 14V alternators that match the specific Chery model. Focus on verifying parameters such as the alternator's power, mounting hole positions, and pulley specifications. Mismatched parameters may lead to installation difficulties and even malfunctions like abnormal power generation during operation. Meanwhile, inspect the new alternator for any collision damage on its exterior, ensure all accessories are complete, and check that there are no unusual internal noises.
Prepare Tools and Clean the Area
Prepare basic tools including wrenches and socket sets. If the terminal connectors are rusted, prepare sandpaper as well. Use the sandpaper to polish off rust and oxide layers from the alternator terminals and the vehicle's connection points to ensure good electrical conductivity. Then wipe off oil stains, dust, and debris from the installation area with a clean cloth. This prevents loose installation of the alternator due to impurities, which could trigger subsequent faults.
References：
The content regarding the "installation method of the 14V generator for Chery vehicles" you inquired about does not come from a single exclusive document officially released by Chery Automobile. Instead, it is compiled by integrating various reference materials such as practical operation summaries from auto repair platforms, excerpts from vehicle maintenance manuals, and general industry installation specifications. The specific sources are as follows:
Auto Master: It mentions the general installation process of Chery generators, such as locating the fixed position in the engine compartment to place the generator, tightening the fixing screws, and connecting the circuits. It also supplements precautions like avoiding damage to surrounding parts and inspecting for circuit damage, providing a reference for the basic installation logic.
Autohome: Its included general installation guide for automotive generators—such as ensuring proper drive belt tension during installation, strictly prohibiting "spark testing" to check power generation, and testing voltage with a multimeter after installation—is also applicable to the 14V Chery generator and serves as one of the core reference bases. In addition, the detailed steps for replacing the generator of Jetour (a brand under Chery) provide practical reference for the installation of the 14V Chery generator from the same brand.
PCauto: The PCauto Encyclopedia sorts out the general disassembly and assembly steps of automotive generators, covering key links such as disconnecting the negative battery cable, disassembling and assembling the drive belt, and connecting electrical circuits. It also shares the belt installation details of the Chery A3, offering targeted reference for belt debugging during the installation of Chery vehicle generators.
The partial content of the Chery B11 maintenance manual included in Originality Documents involves the assembly essentials of AC generators. For example, the technique of fixing the brush when installing the regulator assembly, and controlling the soldering iron operation time when welding the stator to prevent damage to diodes—these details provide official technical support for the precise operations in the installation of the 14V Chery generator.
All the above reference materials comply with the general installation guidelines for automotive generators, such as the industry consensus requirements of disconnecting the negative cable to prevent short circuits before installation, and testing voltage and component operation status after installation. These specifications are universal standards in the auto repair field and are also applicable to the 14V Chery generator, further improving the completeness of the relevant installation methods and precautions.
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