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Type :
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Engine starter
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Specification :
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12V 2.2KW
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Number of feet :
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16T
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Brand :
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nuojin
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Number :
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NAD90095D
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Quality :
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Regeneration
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Delivery time :
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10DAY
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The starter motor of Roewe vehicles is mostly installed at the junction of the engine and transmission. The installation of the 12V 2.2KW starter motor must follow the process of preparation first, then installation, and final testing, while paying attention to details such as torque control and wire protection. The specific methods and precautions are as follows:
First, turn off the vehicle engine, remove the key, and disconnect the negative battery cable to eliminate the risk of short circuits.
Prepare suitable tools, such as a 12mm box-end wrench, torque wrench, and Phillips screwdriver.
Verify the new starter motor: confirm that the 12V voltage, 2.2KW power, and compatibility with the Roewe model are correct; check for no external damage and complete components.
Additionally, for most Roewe models (e.g., 1.8T variants), the starter motor is located on the left rear side of the engine and secured to the transmission housing with two flange bolts. Prior to installation, ensure no obstacles are present around the mounting location.
Clean oil stains and rust from the starter motor mounting surface using a cleaning agent or alcohol to ensure a flat, clean surface (prevents bolt loosening after installation).
Align the new starter motor with the threaded holes on the transmission housing. Apply thread-locking adhesive to the fixing bolt threads in advance to prevent loosening caused by vibration during starter operation.
Fit the starter motor tightly against the mounting surface and hand-tighten the two flange bolts into the fixing holes to position the motor (avoids dropping during installation).
Use a torque wrench to fasten the bolts to 45Nm—insufficient torque may cause loosening, while excessive torque may damage the housing threads.
First, connect the starter motor's power cable (B+ terminal), tightening the nut to a torque of 12±2N・m.
Insert the solenoid switch connector (S terminal). Ensure the S terminal wire harness avoids the transmission counterweight; secure the wire 30mm from the S terminal junction to the main cable with electrical tape.
Finally, reinstall the relevant wire harness brackets and clips to ensure neat wiring without tension.
Reconnect the negative battery cable. Turn off the ignition switch, then turn it on and start the vehicle for testing.
Observe whether the starter motor can smoothly crank the engine without gear grinding or abnormal noise. If the engine fails to start after three consecutive attempts, stop operation to troubleshoot—do not repeatedly start the motor to avoid component damage.
Do not strike the starter motor with hard objects (e.g., hammers) during disassembly/assembly, as this may damage internal components such as the armature and gears.
Some Roewe models have dense wire harnesses around the starter motor; operate gently to avoid scraping the insulation layer (prevents short circuits).
For tightly fitted components, use pulling/pressing tools for assistance—never force or hammer them.
Prevent dust and moisture from entering the starter motor during installation, as this may affect contact between the brushes and commutator.
When cleaning components (e.g., armature, field windings) during wiring, use gasoline-dampened (not dripping) cotton yarn—do not directly spray cleaning agent to avoid internal short circuits.
After installation, recheck that all bolts and connectors are secure; ensure no tools are left in the engine compartment.
If the starter motor idles or lacks power during testing, inspect the overrunning clutch and wiring connections for abnormalities—disassemble and re-adjust if necessary.
If uncertain about torque specifications or wire routing, refer to the corresponding Roewe model maintenance manual or consult a professional technician.
References：
This content is not derived from a single specific official document or authoritative source. Instead, it is a comprehensive compilation based on general automotive starter installation specifications, combined with maintenance experience related to Roewe starter motors and publicly available automotive repair knowledge. The specific reference basis is as follows:
The key steps in this content—such as disconnecting the power supply, cleaning the mounting surface, tightening bolts to the specified torque, and standardizing wiring connections—refer to the general starter disassembly and assembly specifications published on platforms including PCauto Encyclopedia and Autohome. For example, the precautions mentioned (e.g., cleaning components such as the armature and field windings only with gasoline-dampened cotton yarn, and prohibiting forced hammering of tightly fitted parts) are highly consistent with the general protection requirements for starter disassembly/assembly outlined in Autohome and PCauto Encyclopedia.
Content such as the starter motor’s location (mostly on the left rear side of the engine for most Roewe models) and its fixation method (secured to the transmission housing with two flange bolts) matches the descriptions of installation positions and fixing methods for starter motors in Roewe 360, Roewe 550, and other models published by Qiche Dashi (Car Master). These details are adaptive adjustments to the general installation process, tailored to the structural characteristics of Roewe vehicles.
Specific parameters—such as the installation torque for the power cable nut and the fixing bolt torque—are supplemented based on common installation torque standards for 12V low-power starter motors in the automotive repair industry. This aligns with the torque control principles for different starter connections mentioned in PCauto Encyclopedia, ensuring the professionalism and safety of the operation.
In summary, this content is a practical guide integrated from general automotive industry maintenance standards and Roewe model-specific repair characteristics, suitable for maintenance scenarios of Roewe vehicles equipped with the 12V 2.2KW starter motor.
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