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Type :
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Specification :
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1.1kW/12V
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Number of feet :
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13T
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Brand :
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NUOJIN
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Number :
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02M911024R 02M911024RX
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Quality :
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Remanufacture
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Delivery time :
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30DAY
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For Skoda and Volkswagen models equipped with a 1.1kW/12V starter motor, the core installation principle follows the "reverse order of removal" rule. Key details such as bolt torque specifications and wire anti-interference measures must be observed. Below is a universal installation procedure applicable to most models of these brands; minor adjustments may be required for specific vehicle variants:
First, verify that the new starter motor matches the model specifications, with no external damage and all components intact. Prepare appropriate tools, including M10/M12 sockets, a torque wrench, and a Phillips screwdriver.
Ensure the vehicle is turned off, remove the ignition key, and disconnect the negative battery cable to prevent short circuits or electric shocks during installation. Simultaneously, clean the starter mounting surface at the junction of the engine and transmission, removing oil stains and rust to ensure a flat and clean mounting interface.
Align the new 1.1kW/12V starter motor with the mounting position, ensuring its mounting holes are accurately aligned with those on the engine side (the starter is typically located at the junction of the engine and transmission).
Manually screw in the upper and lower fixing bolts to temporarily secure the starter and prevent misalignment. Then, tighten the bolts to the vehicle-specific torque specifications using a torque wrench:
For certain Volkswagen models equipped with the 02E transmission: M12 bolts require 80N・m, and M10 bolts require 40N・m.
For models such as the Santana: The rear fixing bolt torque is approximately 60N・m.
Always cross-verify with the specific vehicle's service manual.
First, install the positive wire of the starter motor. Slide the terminal onto the connector and tighten the fixing nut—for some Volkswagen models, the recommended torque for this nut is 20N・m. Ensure the wire harness routing avoids interference with moving components such as the transmission counterweight.
Next, connect the ground wire and tighten the fixing nut to ensure reliable grounding. Then, insert the electrical control connector until an audible click is heard, indicating a secure connection and preventing poor contact due to loosening.
If a protective cover and wire harness bracket are provided, install and fasten them sequentially (the recommended torque for the wire harness bracket bolts is approximately 8.4N・m), then secure the wire harness with cable clips.
If components such as the air filter housing or wire harness cover were removed, reinstall them in the reverse order of removal. Reconnect the negative battery cable and ensure it is securely fastened.
Close the engine hood, insert the ignition key, and turn it to the "ON" position. Briefly crank the engine to test the starter motor operation:
Normal operation is indicated by smooth engine cranking, no abnormal noise, and no startup delay.
If idling, jamming, or other abnormalities occur, immediately turn off the power and inspect the wiring connections and starter mounting position.
In addition to the details outlined in the previous installation procedure, the installation of the 1.1kW/12V starter motor for Skoda and Volkswagen models requires special attention to multiple key aspects, including safety protection, part compatibility, standardized operation, and post-installation testing. These precautions are critical to avoid damage to the vehicle or the starter motor. Specific details are as follows:
Ensure the ignition switch is turned off and the key is removed throughout the entire installation process. The negative battery cable must be disconnected before starting any work to prevent short circuits or electric shocks.
Do not turn on the ignition switch before reconnecting the positive and negative battery cables. This prevents short circuits that could damage on-board electronic equipment and the starter motor windings.
Perform installation only when the engine is fully cooled to avoid high-temperature burns or component deformation.
Place a protective cover on the engine compartment fender to prevent tool scratches on the vehicle paint.
After installation, thoroughly check that no tools are left in the engine compartment to avoid operational failures caused by foreign objects.
In addition to confirming model matching, inspect the new starter motor for worn or broken teeth on the drive pinion and ensure proper contact between the brushes and commutator before installation.
For some models, the self-locking nut of the starter motor must be replaced with a new one; reusing the old nut is prohibited to prevent loose fastening.
Failure to remove oil stains and rust from the mounting surface will result in insecure installation and may cause vibration or abnormal noise.
For manual transmission Skoda/Volkswagen models, apply multi-purpose grease to the starter bushing on the transmission housing to ensure smooth operation of the starter motor.
The starter motor contains precision components such as the armature and field windings. Never strike the starter with hammers, wrenches, or other tools during assembly.
For tightly fitted parts, use pressing/pulling tools for separation or installation to avoid damaging internal windings and gear structures.
Torque requirements vary significantly between bolts in different locations. For example:
On some models, the M12 fixing bolts of the starter motor require 80N・m of torque.
The fixing nut for the positive wire requires 20N・m of torque.
Always use a torque wrench and follow the torque specifications for the specific vehicle model. Under-tightening may cause vibration, while over-tightening can lead to thread stripping or component deformation.
Distinguish between the positive wire and ground wire; never reverse their connections.
Insert the electrical control connector until an audible click is heard, indicating a secure fit.
Arrange the wire harness routing to avoid interference with moving components such as the transmission counterweight and belts. Install the protective cover and cable clips to secure the wire harness in place.
During the initial test, limit each starter activation to a maximum of 5 seconds. If startup fails, wait 10-15 seconds before attempting again.
Do not continue operation if the engine fails to start after three consecutive attempts. Inspect the wiring connections or potential engine faults immediately to prevent the starter motor from burning out due to overload.
After startup, in addition to verifying that the starter can smoothly crank the engine, check for abnormalities such as idling, gear jamming, or unusual noises.
If idling occurs, the starter pinion may not be engaged with the flywheel ring gear.
If abnormal noises are detected, inspect for loose fixing bolts or worn gears, and disconnect the power for maintenance promptly.
References：
The precautions for installing the 1.1kW/12V starter motor in Skoda and Volkswagen models, as previously provided, are not derived from a single official document or specific literature. Instead, they are summarized and integrated based on the general maintenance specifications for Volkswagen and Skoda models, combined with universal industry guidelines for starter motor installation. The core basis and reference sources can be categorized as follows:
Professional service manuals for models such as the Skoda Roomster explicitly state that the starter motor should be installed in the reverse order of removal. They also specify technical details including a torque standard of approximately 20N・m for the fixing nuts of the ground wire and positive cable, as well as requirements for replacing the self-locking nut during installation. These specifications align with the bolt torque regulations and part replacement requirements outlined in the summarized precautions.
Automotive maintenance knowledge databases, such as Pacific Auto Encyclopedia and Autohome, document universal rules for starter motor installation. Key guidelines include:
Disconnecting the negative battery cable before installation
Prohibiting impact on precision components
Cleaning electrical parts with gasoline-dampened (but wrung-out) cotton yarn
Limiting each startup test to a maximum of 5 seconds
These standards serve as important references for the safety protection and operational specifications included in the summarized content.
Maintenance Q&A forums on platforms like Qiche Dashi (Auto Master) and Autohome feature numerous case studies on starter motor replacement for Volkswagen and Skoda models. These practical cases highlight operational details such as:
The starter motor’s typical location at the junction of the engine and transmission
Precautions to avoid wire harness interference with transmission components
Such hands-on experience has been integrated into the summarized content to enhance compatibility with the specific design characteristics of these brands’ models.
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