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Type :
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starter
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Specification :
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12V 2.8KW
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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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8-98028-199-0 8-98028-198-0 8944339120
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Quality :
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Remanufacture
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Delivery time :
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30DAYS
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The installation process of the 12V starter for Foton and Isuzu vehicles is basically the same, both following the general installation specifications for commercial vehicle starters. Only the installation structure at the junction of the engine and transmission of each respective model needs to be adapted. Below are the detailed and universal installation steps, including key precautions:
Prepare suitable tools, such as socket wrenches of corresponding specifications, Phillips screwdrivers, torque wrenches, insulating tape, and cleaning cloths. For accessories, confirm that the model of the new 12V starter matches the corresponding Foton/Isuzu model. Meanwhile, prepare matching fixing bolts, washers, and special sealant if sealing is required.
First, turn off the vehicle and let it cool down, then disconnect the negative battery cable to eliminate the risk of circuit short-circuit or accidental starter activation during installation. Wipe the fitting surface between the engine and the starter with a cleaning cloth to thoroughly remove oil stains, rust, and impurities, avoiding loosening or poor sealing after installation. You can take photos of the wiring method and installation position of the old starter for reference when installing the new one. Additionally, it is recommended to wear protective gloves and goggles to prevent injuries during operation.
Slowly align the new starter with the mounting position at the junction of the engine and transmission, ensuring precise alignment between the starter's drive gear and the flywheel ring gear to prevent damage from gear misalignment and collision. If there are accessories such as washers or positioning sleeves at the installation position, install them in their original positions without omission or reversal.
Insert 2-3 fixing bolts, initially tighten them by hand, then fasten them in a cross-step manner with a torque wrench. Generally, the recommended tightening torque for ordinary fixing bolts is approximately 37N・m. If there are special regulations for the corresponding Foton or Isuzu model, adjust according to the vehicle manual to prevent base cracking due to over-tightening or operational vibration caused by under-tightening.
Firmly attach the thick power cable from the battery side to the "B+" terminal of the starter solenoid switch. Tighten the fixing nut with a wrench, controlling the torque to approximately 9.8-12N・m. Simultaneously, check if the insulation sleeve at the terminal is intact; if damaged, reinforce it with insulating tape to prevent electric leakage.
Insert the thin control wire into the "S" terminal of the solenoid switch, ensuring a secure connection at the plug or terminal post without loosening or oxidation to avoid failure to start the starter normally due to poor contact. If the starter is equipped with a wire harness bracket, install it simultaneously with a tightening torque of approximately 8.4N・m for the bracket bolts. Organize the wires and snap them into wire harness clips to prevent the wires from contacting high-temperature engine components.
First, recheck that all bolts are tightened, the wiring connections are free of reversal or loosening, and clean tools and debris around the starter to prevent them from being drawn into moving components.
Reconnect the negative battery cable, turn on the power, and perform an ignition start test. The normal startup time should not exceed 5 seconds, and there should be no abnormal noise such as gear collision during startup. The interval between consecutive starts must be ≥30 seconds to avoid damage to the starter coil due to overheating. After startup, observe whether the drive gear fully retracts; manually check for no jamming after power-off. Meanwhile, confirm that there are no sparks or abnormal heat at the electrical terminals—this indicates a qualified installation.
In addition to following the general specifications for automotive starters, the installation of 12V starters for Foton and Isuzu vehicles requires special attention to core details such as safety protection, component compatibility, wiring connection, and post-installation testing. Specific precautions are as follows:
Before installation, be sure to turn off the ignition switch, remove the key, and prioritize disconnecting the negative battery cable. This avoids short circuits caused by accidental contact with wires during installation, preventing damage to fuses or vehicle ECUs (Electronic Control Units). This step is particularly critical for Foton and Isuzu models equipped with electronically controlled engines.
Confirm that the model of the new 12V starter is fully compatible with the vehicle’s engine. Do not mix starters of different voltages or powers, as this may result in circuit burnout or failure to drive the engine. Additionally, check that the new starter has no external damage and all components are complete.
Thoroughly clean the starter mounting surface at the junction of the engine and transmission with a clean cloth to remove oil stains, rust, and impurities. If there are accessories such as washers or positioning sleeves at the mounting position, ensure they are intact and install them in their original positions later. Avoid omission or reverse installation, which can cause misalignment of the starter.
If components fit too tightly during installation, use special pulling or pressing tools for auxiliary assembly. Do not strike the starter housing, solenoid switch, or drive gear with metal tools such as hammers or wrenches. This prevents damage to internal coils or deformation of gear tooth surfaces, which would affect the meshing accuracy between the gear and the flywheel ring gear.
After aligning the starter with the mounting holes, initially pre-tighten the fixing bolts by hand, then fasten them to the specified torque with a torque wrench. Avoid over-tightening (which may cause the mounting base to crack) or under-tightening (which may cause operational vibration). When installing auxiliary components such as wire harness brackets, follow the corresponding torque standards. It is recommended to tighten bolts in a cross-step manner to ensure uniform force distribution.
References：
There is no single exclusive source for the precautions regarding the installation of 12V starters for Foton and Isuzu vehicles you previously asked about. Its core content is derived from the official maintenance manuals of these two vehicle brands, while also integrating universal specifications in the automotive maintenance field. Specifically, it can be divided into the following two categories:
The installation specifications for their 12V starters can be found in the maintenance manuals of the corresponding engine series. For example, the maintenance manual for the Isuzu 4Le2 series engine (Starter Motor; Removal - Isuzu 4Le2 Workshop Manual) clearly outlines the basic steps for starter removal and installation, requiring the disconnection of the battery ground wire first. This fully aligns with the core precaution of disconnecting power before starter installation. In addition, the exclusive maintenance manuals for different Isuzu heavy-duty or light truck models further detail requirements such as the bolt tightening torque for 12V starters and the specifications of wiring terminals.
Foton Motor issues exclusive maintenance manuals for its various light-duty and heavy-duty truck models. Combined with the adaptation characteristics of its own engines, the manuals specify the installation standards for 12V starters. For instance, details such as the bolt tightening torque during starter assembly for some models and the requirement for wire harness routing to avoid high-temperature engine components are consistent with the previously mentioned installation precautions. Such manuals are usually only provided to authorized maintenance outlets and are also available to users on demand through official after-sales channels.
General starter installation guides published on automotive information platforms such as PCauto and Autohome cover content applicable to Foton and Isuzu 12V starters, including disconnecting the negative battery terminal before installation, tightening bolts to the specified torque (e.g., a 37N・m installation torque for starter assemblies in some universal models), and testing startup performance after installation. These serve as popularized supplements to official manual content.
Automotive maintenance courseware and operation guides collected on platforms such as Originality Documents summarize the common installation requirements for starters across multiple vehicle models, including Foton and Isuzu. Precautions such as avoiding wire harness interference with components like the transmission and controlling the torque during terminal nut installation are highly consistent with the universal specifications in such industry data, often serving as auxiliary reference materials for maintenance personnel.
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