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Type :
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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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31200-P8A-A01 31200P8AA01
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Quality :
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Remanufacture
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Delivery time :
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10 day
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The installation logic of the Honda 12V 1.4KW starter is consistent with that of starters of the same brand and voltage class. The core steps focus on power-off protection, accurate fixation, standardized wiring, and performance testing, while also adapting to the common engine compartment layout characteristics of Honda vehicles. The specific steps are as follows:
First, verify that the model of the new 12V 1.4KW starter is compatible with the vehicle. Check that its exterior is free of dents or damage, and that internal parts, terminal blocks, and other components are complete and intact. Then, disconnect the negative battery cable to prevent short circuits or accidental starting during operation, ensuring operational safety.
Prepare tools such as a socket wrench, screwdriver, special cleaning agent, and high-temperature grease. Next, clean the starter mounting surface at the connection between the engine and transmission: use the cleaning agent to thoroughly remove oil stains, rust, and gasket debris to ensure the mounting surface is flat and fits tightly. If parts such as the starter’s transmission case bushing or spiral spline lack grease, apply an appropriate amount of high-temperature grease to ensure smooth operation.
Place the new starter in alignment with the mounting holes on the engine. Most Honda vehicle starters are typically secured with 2 M10-sized bolts; for some models, auxiliary alignment may be required from the right front wheel side or the inside of the engine compartment.
First, gently screw the fixing bolts in by hand to avoid skewing the bolts and damaging the threaded holes. Then, use a socket wrench to tighten the bolts to a torque of 45±5N・m. Insufficient torque will cause the starter body to shake during startup, while excessive torque may damage the threaded structure of the aluminum alloy body.
Locate the B+ terminal and S terminal of the starter. The B+ terminal connects to the positive wire harness. During installation, keep the wire harness vertically upward, and use a wrench to tighten the nut to a torque of 12±2N・m to prevent damage to the wire harness or terminal breakage due to improper torque.
When connecting the S terminal connector, pay attention to organizing the wire harness routing: keep it away from the transmission counterweight to prevent interference during operation. At a position 30mm from the S terminal’s small wire node, use insulating tape to bind the small wire to the main wire to reduce wobbling. After all wiring is completed, check that the connectors are not loose and there is no risk of short circuits.
If components such as the air intake hose, engine bottom cover, or battery bracket were removed during installation, reinstall them one by one in the reverse order of removal. Then, reinstall the battery, fasten the pressure plate and hook, and shake the battery to check if its positioning is secure.
Reconnect the negative battery cable and start the vehicle for testing. Observe whether the starter can smoothly drive the engine to start, and check for abnormalities such as unusual noise or vibration during operation. If the startup is smooth and there are no abnormalities, the installation is successful. If issues such as weak startup or no response occur, recheck the wire connections and the tightness of the bolts.
To ensure the safety of installation operations, the service life of the starter, and the subsequent starting performance of the vehicle, the following precautions must be strictly observed, covering core dimensions such as safe operation, component protection, technical specifications, and vehicle adaptation:
Before installation, the negative battery cable must be disconnected, and after disconnection, wait for 5-10 minutes (some Honda models have residual capacitance in the engine compartment). This prevents sparks caused by short circuits during wiring, which could damage the internal coil of the starter or the vehicle’s wire harness. It is strictly forbidden to touch the starter terminals without power disconnection to avoid electric shock or accidental starting.
Do not temporarily connect the battery for testing before the starter is fully fixed and the wires are securely connected. When the starter “idles”, its gear rotates at high speed, which may be thrown out and cause hand scratches, or collide with surrounding components (such as the generator or water pipe) and cause damage.
During operation, wear anti-slip gloves (to prevent scratches from bolt slippage) and goggles (to prevent debris from entering the eyes when cleaning rust on the mounting surface). If the vehicle needs to be lifted (e.g., Honda CR-V and other SUVs require operating the starter from the bottom), a compliant lift or a combination of “jack + safety stand” must be used. It is strictly forbidden to work with only a jack for support to avoid the risk of vehicle falling.
The starter housing is made of aluminum alloy, and the interior contains precision electromagnetic coils and bearings. During installation, it is strictly forbidden to hit the starter body or gear end with hard objects such as hammers or wrenches. Slight impact may deform the housing and affect the fitting degree; severe impact may cause coil open circuit and bearing displacement, directly rendering the starter useless.
When connecting the B+ terminal (positive wire harness) and S terminal (control wire harness), pinch the terminals gently instead of pulling the root of the wire harness. Most Honda wire harness terminals are crimped; forced pulling may cause terminal detachment or insulation layer damage, leading to short-circuit faults.
The fitting surface between the engine/transmission and the starter must be thoroughly cleaned. If oil stains, rust, or old gasket debris remain, the starter will “float” after installation, causing resonance noise during startup. In the long run, this may lead to bolt loosening and body cracks.
The starter fixing bolts (M10 specification) must be tightened to a torque of 45±5N·m: Insufficient torque will cause the starter body to shake during startup, accelerating the wear of the flywheel and starter gear; excessive torque is likely to strip the threaded holes of the Honda aluminum alloy body, requiring body repair before re-installation.
The B+ terminal nut must be tightened to a torque of 12±2N·m: Excessive tightness will crack the terminal insulator; insufficient tightness will cause poor contact, leading to terminal overheating and ablation during startup, or even wire harness smoldering.
Only apply special high-temperature grease (Honda original PN 08798-9013 or grease of the same grade is recommended) to the starter’s spiral spline and transmission case bushing. The amount of grease applied should only cover the surface of the components (excessive grease easily absorbs dust and causes jamming). It is strictly forbidden to get grease on the coils or terminal blocks, as this will cause insulation failure.
References：
The installation method and precautions regarding the Honda 12V 1.4KW starter you previously viewed do not originate from a single specific official document or sole authoritative source. Instead, they are practical maintenance content compiled and organized by integrating the general maintenance logic of Honda vehicle starters, common standards in the automotive maintenance field, as well as the engine compartment layout and component assembly characteristics of Honda vehicles. The specific information sources are as follows:
Content such as disconnecting the negative battery cable before installation, securing the starter with 2 M10-sized bolts, and the tightening torque standards for bolts and terminal nuts aligns with the general assembly requirements for starters across multiple Honda models. These details are also consistent with the core installation principles for low-power 12V starters outlined in Honda’s original maintenance manuals. For example, some of Honda’s official starter-related maintenance guidelines emphasize that the tightening torque of bolts for aluminum alloy bodies must be controlled to prevent thread stripping. Additionally, details mentioned in the content—such as the original grease model PN 08798-9013 and the original starter part number starting with "31200-"—also conform to the general identification standards for Honda automotive parts.
Precautions like prohibiting hitting the aluminum alloy housing of the starter with hard objects, keeping wire harnesses away from high-temperature and moving components, and thoroughly cleaning the mounting surface to prevent resonance are universal maintenance guidelines for starters (which contain precision coils and transmission structures). These guidelines apply to starter installation operations for most vehicle models and serve as basic requirements in the automotive maintenance industry to ensure component service life and installation safety.
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