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Type :
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starter
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Specification :
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1.6KW 2.0kw
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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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1GDFTV 28100-0L260
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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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There is no fundamental difference in the installation method between the 1.6KW and 2.0KW starters of Lexus. The core difference lies only in the starter power. The installation process needs to be adapted to specific Lexus models (such as ES, GS, LS, etc.), and the removal of shielding components varies slightly among different models. The following are the general installation steps, accompanied by explanations of special key points for common Lexus models:
Prepare 10mm, 12mm, and 14mm sockets, an extension bar, a ratchet wrench, a torque wrench, a Transmission Jack, wooden blocks, and other tools. If engine lifting is involved, additional engine bracket fixing tools must be prepared.
First, disconnect the negative terminal of the battery and wait for 90 seconds to prevent false activation of the safety system.
Verify that the new starter model is compatible with the vehicle. When replacing the starter, it is recommended to replace the No. 1 ST relay at the same time.
Clean the mounting surface at the connection between the engine and the transmission to remove oil stains and rust.
Adjust the installation path according to the model:
For the ES series, first remove the previously detached air box assembly and other components to expose the starter mounting position.
For models like the GS300, it is necessary to lift the engine to reserve a gap. Insert the new starter with the pinion end first, slowly place it into the gap between the engine oil pan and the aluminum subframe, and align it with the mounting holes on the transmission.
Use a 14mm socket and a ratchet wrench to install the two bolts that fix the starter. Avoid bolt skew during installation.
Finally, use a torque wrench to tighten the bolts to the torque specified by the model (generally approximately 37N・m; refer to the corresponding vehicle manual for specific values).
If the engine bracket bolts were removed earlier, reset and fasten the bracket first at this point.
First, press the buckle to connect the starter's small signal connector.
Then, remove the terminal insulation cover, use a 12mm socket to tighten the nut that secures the main power cable, and control the torque to approximately 9.0 - 9.8N・m to prevent heat generation due to loose wiring.
Finally, reset the terminal insulation cover.
Reinstall the components in the reverse order of removal:
For the ES series, reinstall the air box, vacuum hose, air flow meter, etc., and pay attention to organizing the wires of the air flow meter.
For models like the LS400, reset the intake manifold, throttle body, left side cover of the timing belt, etc., and ensure that the pipelines and wires are connected correctly.
If a transmission jack was used to lift the engine, slowly lower the jack and remove the wooden block placed under the oil pan.
Reconnect the negative terminal of the battery, switch the ignition switch to the ON position, check that there is no abnormal alarm on the instrument panel, and then start the engine. Listen to see if the starter operates smoothly; if there is no abnormal noise or jamming, the installation is normal.
If there is an abnormality during startup, check whether the circuit connections are secure and whether the meshing gap between the starter and the flywheel ring gear is appropriate. If necessary, fine-tune the engine position to adjust the gap.
In addition to the installation-related precautions mentioned earlier, the installation of Lexus 1.6KW and 2.0KW starters must be controlled from multiple dimensions, including safe operation, accessories & installation details, and testing specifications. The following are more comprehensive precautions, with some key points tailored to the characteristics of Lexus models:
After disconnecting the negative terminal of the battery, you must wait for 90 seconds before starting operation to avoid false activation of Lexus systems such as the airbag and seat belt pretensioner. If the vehicle is equipped with intelligent electronically controlled doors, enable the manual release handle before power disconnection to prevent the key from being locked inside the vehicle.
When lifting the engine with a transmission jack, be sure to place a sturdy flat wooden block between the jack and the oil pan to prevent crushing the oil pan; the lifting height is limited to approximately 30mm. Excessive lifting will pull the chassis wiring harnesses and pipelines, causing leakage or line damage.
When installing electrical circuits, first connect the signal connector and then the main power cable. Throughout the process, avoid tools touching the terminal blocks and the engine body (to prevent grounding), which could cause short circuits and burn out the coils. Moreover, hitting or knocking the starter hard is prohibited at all times—especially since the internal gears and coils of Lexus starters are precision components, and knocking can easily cause hidden damage to internal parts.
Prioritize the use of original Lexus starters and avoid using low-quality aftermarket or refurbished parts. Such inferior parts are prone to problems like poor gear meshing and mismatched power, which may lead to re-failure in a short period. When replacing the starter, it is necessary to replace the No. 1 ST relay simultaneously to ensure the overall compatibility of the starting system.
It is recommended to tighten the two bolts fixing the starter to a torque of approximately 37N・m, and control the torque of the main power cable nut to 9.0 - 9.8N・m. Never tighten by hand feel. If the engine bracket bolts were removed, they must also be tightened to the standard torque during reset to prevent resonance during engine operation, which could cause the starter to loosen.
Before installation, thoroughly clean the mounting surface at the connection between the engine and the transmission to remove oil stains and rust. Otherwise, the starter may not be installed securely, resulting in abnormal noise during operation and potential impact on heat conduction.
During the first test, switch the ignition switch to the ON position first, and start the engine only after confirming there is no abnormal alarm on the instrument panel. If the starter operates with jamming, abnormal noise, or fails to drive the flywheel during testing, immediately cut off the power supply to check issues such as the gear meshing gap and circuit connections. Do not attempt to start repeatedly.
After installation, it is necessary to complete the reset operation of some systems. For example, the start-stop system requires the engine to idle for 5 - 60 minutes or be driven for a certain distance before it can be used normally; the electric tailgate needs to be reset to its closed position to ensure all vehicle functions are restored to normal.
References：
The precautions for the installation of Lexus 1.6KW and 2.0KW starters you saw earlier do not come from a single official document or fixed article. Instead, they are summarized and integrated based on the exclusive maintenance materials of Lexus models and the general installation specifications of professional platforms in the automotive field. The specific reference sources are as follows:
Maintenance Manual for Lexus RX Series (2016 - 2025 Models): This manual clearly specifies the tightening torque standards for components such as the starter fixing bolts and main power cable nuts, which serve as the core reference basis for the torque values mentioned in the previous content.
Starter Disassembly and Assembly Tutorial for the 3rd - Generation Lexus GS300: It mentions details such as the requirement to wait for 90 seconds after disconnecting the negative battery terminal to prevent false activation of the airbag, and lifting the engine by approximately 30mm with a transmission jack to reserve an installation gap. These details are highly consistent with the safe operation key points in the summarized content.
Lexus Starter Replacement Guide Released on the ClubLexus Platform: This guide emphasizes content such as giving priority to using original - factory starters and cleaning the mounting surface, providing support for the precautions related to accessory adaptation.
Multiple Q&A and Popular Science Articles on Starter Replacement from Autohome: These articles cover general precautions such as prohibiting hitting or knocking the starter hard, placing disassembled parts in order, and checking for missing tools after installation, supplementing the basic operation specification part of the summarized content.
Systematic Instructions for Starter Installation in the Pacific Auto Encyclopedia: The content mentioned in it, such as step - by - step testing after installation and the requirement for firm circuit connections, improves the key points related to testing and post - installation specifications in the summary.
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