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Type :
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Clutch Plate
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|
Specification :
|
|
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Pulley :
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18T
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Brand :
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NUOJIN
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Number :
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DS-022
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Quality :
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new
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Delivery time :
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30 days
|
The installation of the clutch friction disc for Suzuki vehicles must strictly follow the structural characteristics of its clutch system (mostly diaphragm spring-type clutches). The specific steps are as follows:
Park the vehicle on a flat surface, turn off the engine, engage the parking brake, and disconnect the negative battery terminal.
Prepare tools including a socket wrench (10-19mm), torque wrench, clutch alignment tool (special positioning shaft), copper rod, sandpaper, cleaning agent (e.g., alcohol), and grease (high-temperature grease).
Confirm that the new friction disc model matches the vehicle (verify the part number). Check that the friction disc surface is free of oil, cracks, and loose rivets, and that the splined hole is compatible with the transmission input shaft.
Clean the flywheel surface, pressure plate working surface, and clutch housing mounting surface to remove oil, rust, and wear debris. If necessary, lightly sand the flywheel and pressure plate surfaces (keep them flat, avoid over-sanding).
Remove the transmission (refer to the vehicle maintenance manual; usually, it is necessary to support the engine and remove connecting components such as the drive shaft and clutch slave cylinder).
Remove the clutch pressure plate fixing bolts (loosen them evenly diagonally to prevent pressure plate deformation), and take off the pressure plate and old friction disc in sequence.
Inspect the flywheel pilot bearing (if equipped). If there is jamming or abnormal noise, replace it simultaneously and apply a small amount of grease.
Align the pressure plate with the flywheel’s locating pins (or bolt holes), gently press the pressure plate onto the friction disc, and hand-tighten all fixing bolts (do not fully tighten them yet).
Tighten the bolts evenly to the specified torque in 2-3 diagonal sequences (usually 18-25N·m for Suzuki models; refer to the manual for details) to prevent pressure plate deformation and uneven force on the friction disc.
Apply a small amount of high-temperature grease to the splined hole of the friction disc (do not get it on the friction surface, as this will cause slipping).
Remove the alignment tool, check if the friction disc can rotate freely, and ensure the pressure plate and flywheel fit flat without jamming.
Install the transmission, ensuring the input shaft is smoothly inserted into the splined hole of the friction disc (if there is excessive resistance, recheck whether the friction disc is positioned correctly).
Reinstall components such as the clutch slave cylinder and drive shaft, and reconnect the negative battery terminal.
Press the clutch pedal several times (3-5 times) to bleed air from the hydraulic system (for mechanical cable-type clutches, adjust the pedal free travel to 15-25mm).
Start the engine, press the clutch pedal at idle speed, and check for abnormal noise.
Engage all gears, test whether the clutch engages smoothly, and check for slipping (engine speed increases but vehicle speed lags) or incomplete disengagement (difficult gear shifting, abnormal noise).
Observe during driving: no vibration when starting, smooth gear shifting, and confirm the friction disc is installed correctly.
Safety Operation Baseline: Ensure the vehicle is turned off, the parking brake is engaged, and the negative battery terminal is disconnected before starting work. When removing the transmission, use a bracket to stably support the engine to prevent component damage from falling or safety accidents.
Accessory Compatibility Verification: Confirm the part number of the new friction disc fully matches the Suzuki model (e.g., Alto, Swift). Focus on checking the splined hole size, friction disc outer diameter, and thickness to avoid installation failure or clutch malfunction due to mismatched specifications.
Friction Surface Cleaning and Protection: Thoroughly clean the flywheel, pressure plate working surface, and friction disc surface before installation to remove oil, rust, and debris. Do not touch the friction surface during operation; if oil is accidentally spilled on it, clean it with alcohol or other cleaning agents and let it dry—otherwise, clutch slipping will occur.
Pressure Plate Bolt Tightening Specifications: Tighten the pressure plate fixing bolts evenly in 2-3 diagonal sequences. Strictly follow the torque specified for Suzuki models (usually 18-25N·m; refer to the maintenance manual for details). Avoid over-tightening (which causes pressure plate deformation) or under-tightening (which leads to uneven force on the friction disc and abnormal noise).
Correct Installation of Friction Disc Orientation: Some friction discs are marked with front/back sides (e.g., labels like "Towards Transmission" or "Flywheel Side"). Install strictly according to the marks—reversing the disc will result in incomplete clutch disengagement, difficult gear shifting, and even accelerated friction disc wear.
Lubrication Taboos for Key Parts: Apply only a small amount of high-temperature grease to the splined hole of the friction disc; never let it contact the friction working surface. For the flywheel pilot bearing (if equipped), use dedicated grease—excessive grease or the wrong type will cause abnormal noise or bearing jamming.
Key Points for Transmission Reassembly: When installing the transmission, ensure the input shaft can be smoothly inserted into the splined hole of the friction disc. If there is excessive resistance, stop immediately and recheck the friction disc positioning to avoid damaging the splines or friction disc by forced installation.
Synchronous Inspection of System Components: It is recommended to replace the pressure plate and release bearing (both are wearing parts) together with the friction disc. At the same time, check the flatness of the flywheel surface—if there is severe wear, grooves, or warping, repair or replace it; otherwise, the new friction disc will be under uneven force and cause starting vibration.
Adjustment of Hydraulic/Cable System: After reassembly, bleed all air from the hydraulic clutch system (to avoid soft pedals and poor disengagement). For mechanical cable-type clutches, adjust the pedal free travel to 15-25mm (a universal range for Suzuki models) to ensure normal clutch engagement/disengagement stroke.
Post-Installation Testing Standards: After starting the engine, test for "three absences"—no disengagement noise, no difficult gear shifting, and no starting vibration. During driving, check for no slipping (engine speed and vehicle speed should be synchronized during acceleration). Only confirm the overall function is normal before regular use.
References：
The "text" you are referring to may be about the precautions for installing the clutch friction disc of Suzuki vehicles, but you have not provided the specific content of the paragraph. Based on your previous questions and relevant search results, its source may come from professional automotive repair websites such as Autohome and PCauto.
For example, articles on Autohome like How to Replace the Clutch Disc of Suzuki Alto? and What Are the Steps to Replace the Clutch Disc of Suzuki Alto? mention relevant precautions for installing the clutch friction disc of Suzuki vehicles. These include ensuring the clutch disc surface is clean and free of oil before installation, paying attention to the installation direction, and ensuring uniform tightening force when installing the pressure plate bolts. Articles on PCauto such as How to Replace the Clutch Disc and How to Correctly Install the Clutch Disc also have similar content, emphasizing precautions like the installation direction and cleanliness of the clutch disc.
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