Clutch Plate，31250-87401，31250-87401-000， DD-905，DHD045U，J2206025， 80607，25DA008，80-06-607，203-03097， MCD-1607，1878990101，ADD63123，for Daihatsu

The installation steps and precautions for Daihatsu's clutch friction disc are similar to those of other automobile brands. Here is a detailed introduction: Installation Steps •  Preliminary Preparation: Park the vehicle in a flat and safe place, pull up the handbrake, and disconnect the negative battery cable. Prepare the required tools, such as socket wrenches, torque wrenches, etc.  •  Removal of Relevant Components: Lift the vehicle and remove components related to the transmission, such as the half-shaft, in accordance with the operating procedures. Then, remove the bolts at the connection between the engine and the transmission housing, separate the transmission from the engine, and carefully lower the transmission.Remove the old clutch friction disc: Use a tool to secure the clutch flywheel. If there are no marks on the clutch cover and flywheel, make assembly marks. Then, gradually loosen and remove the fixing bolts of the clutch cover and flywheel diagonally, and take down the clutch cover, clutch friction disc, release bearing, release fork and other components in sequence.  •  Cleaning and inspection: Carefully wipe the surfaces of the flywheel and pressure plate with a cleaning cloth to remove oil stains, dust and impurities. Check the wear condition of components such as the flywheel, pressure plate and release bearing. If there is severe wear or damage, they should be replaced in a timely manner. At the same time, check whether the splines of the first shaft of the transmission have problems such as wear or deformation.Install the pilot bearing: Apply an appropriate amount of lubricating oil to the pilot bearing on the flywheel, then install the pilot bearing into the corresponding hole of the flywheel, ensuring it is securely installed.  •  Install the release bearing and release fork assembly: Install the release bearing and release fork assembly in the proper position, ensuring that the release bearing can move flexibly under the drive of the release fork and that it fits well with the first shaft of the transmission.  •  Install the new clutch friction disc: Usually, face the side of the new clutch friction disc with the boss towards the gearbox and the side without the boss towards the flywheel, aligning the spline in the middle with the drive shaft.Install the pressure plate: Mount the pressure plate onto the flywheel, align it with the previously made assembly marks, hand-tighten the fixing screws, then uniformly tighten the bolts in a diagonal sequence to the torque specified by the manufacturer.  •  Install the transmission and other components: Reconnect and secure the transmission to the engine in the reverse order of removal, then install components such as the half-shafts, ensuring all connecting bolts are properly tightened.  •  Connect the battery and test: Connect the negative battery cable, start the car, check if the clutch pedal travel is normal, if the clutch disengages and engages smoothly, and if there are any abnormal noises or vibrations. A road test can be conducted to confirm smooth gear shifting and further inspect the clutch's operation.

When installing the clutch friction disc of Daihatsu automobiles, in addition to the precautions mentioned earlier such as component matching and installation direction, the following key points need attention: •  Keep clean: Before installation, the surfaces of the pressure plate and flywheel must be thoroughly cleaned to remove oil stains, dust, and impurities. This prevents these foreign objects from affecting the normal friction transmission between the friction disc and the flywheel, which could lead to issues such as clutch slippage. At the same time, ensure that the friction disc itself is clean and free of oil stains.  •  Check component status: Carefully inspect the new clutch friction disc for damage, deformation, or other problems. If any defects are found, replace it promptly. Also, check the fit between the splines of the driven disc hub and the splines of the transmission input shaft to ensure they move freely without jamming or significant looseness.roper lubrication: Apply an appropriate amount of temperature-resistant and pressure-resistant grease to parts such as the splines of the clutch disc and the contact points between the release bearing and the release fork. However, the amount must be strictly controlled to prevent the grease from getting onto the working surface of the friction disc, as this would reduce friction and cause the clutch to slip.  •  Uniformly tighten the bolts: When installing the pressure plate, use a torque wrench to uniformly tighten the fixing bolts in a diagonal sequence in stages, reaching the torque specified by the manufacturer. This ensures that the pressure plate is evenly stressed, preventing deformation and avoiding impact on the normal operation of the clutch.  •  Use special tools: During the installation process, try to use special tools such as a dedicated guide shaft to ensure the accurate installation position of the clutch friction disc, preventing issues such as deformation of the clutch cover or incorrect installation.Inspection and Debugging: After installation, check the free travel of the clutch pedal and adjust it within the specified range. At the same time, start the engine, check whether the clutch disengages and engages smoothly, whether there are abnormal noises or jitter, conduct a road test to confirm whether the gear shifting is smooth, etc., to ensure that the clutch system works normally.

References：The content regarding the installation precautions for Daihatsu's clutch friction plates is mainly synthesized from the following sources of information: Automotive professional websites: Websites such as Autohome and PCauto are important information channels. These websites contain a large number of Q&A, experience sharing, and professional articles on automobile maintenance. For example, Autohome has many questions and answers about clutch plate installation, emphasizing key points such as keeping clean during installation, paying attention to the direction of the friction plate, and proper lubrication. Relevant content on PCauto also mentions precautions such as checking the status of components and uniformly tightening bolts. When organizing the content related to Daihatsu automobiles, I referred to the general installation knowledge on these websites and integrated it with the characteristics of Daihatsu automobiles.Automobile Repair Manual: Although the specific page regarding the installation precautions for clutch friction plates in the official repair manual of Daihatsu automobiles was not directly found, the official repair manuals of general automobile manufacturers will elaborate on the installation specifications and key points for various components, including clutch friction plates. When writing, I also drew on the general requirements and standards for clutch system maintenance from the official repair manuals of other automobile brands, as there are certain commonalities in the installation precautions for clutch friction plates among different brands.Professional books on automobile maintenance: Professional books in the field of automobile maintenance usually systematically explain the structure, principles, and maintenance methods of various automobile systems. The part about clutch system maintenance will cover the precautions for installing friction plates, such as cleaning requirements, component inspection methods, and installation operation specifications. These also provide a reference basis for organizing relevant content.