clutch release bearing 51000971E8 51000971E8 51000971E8 51000971E8 51000971E8 51000971E8 51000971E8 FOR Nissan

The installation steps and precautions for Nissan clutch release bearing are as follows: Installation Steps •  Preliminary Preparation: Disconnect the negative pole of the vehicle's battery to prevent short circuits during operation. Use a jack to lift the vehicle steadily and properly support it with safety stands to ensure the vehicle is stable and reliable during operation. Prepare the required tools, such as socket sets, torque wrenches, grease guns, etc., as well as the new clutch release bearing and related accessories.  •  Removal of Related Components: Drain the gear oil from the transmission, remove related components such as the half-shaft, clutch pedal linkage, and clutch oil pipe, then remove the transmission from the vehicle.Remove the old release bearing: Remove the clutch pressure plate bolts, making sure to loosen them diagonally, then take out the clutch disc and release bearing.  •  Cleaning and inspection: Thoroughly clean the surface of the flywheel and the installation position of the release bearing, removing oil stains, impurities, residual sealant, etc. At the same time, check the flatness of the flywheel surface; if there is wear or damage, it needs to be repaired or replaced in a timely manner. Inspect the new release bearing to ensure it is undamaged, not deformed, and rotates flexibly.Installing a new release bearing: Apply an appropriate amount of high-temperature resistant lithium-based grease to the surface of the release bearing. Gently fit the release bearing onto the release sleeve, paying attention to the installation direction: the side with the oil seal should face the flywheel, and the convex surface should also face the flywheel. For some release bearings equipped with tension springs, first install the tension springs in place, then mount the release bearing onto the release fork. Ensure that the connection between the release bearing and the release fork is secure and that they can cooperate and operate smoothly.  •  Reinstalling other components: Use a special tool or the transmission input shaft to align the clutch disc with the guide bearing of the transmission shaft. Install the clutch pressure plate assembly, and tighten the bolts diagonally in sequence. Then reinstall the transmission back into the vehicle, and connect components such as the half-shafts, clutch pedal linkage, and clutch oil pipes in sequence.Add transmission fluid and debug: Add an appropriate amount of transmission fluid to the transmission, connect the negative pole of the battery properly, start the engine, try to press the clutch pedal, check whether the clutch disengages and engages smoothly, and at the same time check for any abnormal noise or other issues.

Precautions •  Correct installation direction: It is necessary to ensure that the release bearing is installed in the correct direction; otherwise, problems such as loss of lubrication and premature wear may occur.  •  Avoid damaging the bearing: The release bearing is a precision component. During installation, it should be handled with care, avoiding collisions and 挤压 (squeezing/pressing). It is strictly prohibited to use heavy objects such as hammers to strike the pull ear part of the bearing.  •  Ensure good lubrication: Although the release bearing is pre-lubricated at the factory, an appropriate amount of high-temperature resistant lithium-based grease can be applied before installation. However, do not apply too much to prevent oil leakage from contaminating the clutch disc.Bolt fastening specifications: When installing the clutch pressure plate assembly, the bolts should be installed symmetrically and tightened to the specified torque, such as a tightening torque of generally 25Nm, to prevent uneven force on the clutch.  •  Adjusting the gap: The gap between the release bearing and the end of the release lever should usually be maintained at approximately 3-4 millimeters. The return spring ensures that the shoulder of the release bearing always abuts the release fork and retracts to the final position.  •  Inspecting the hydraulic system (if applicable): For a hydraulic clutch, after installation, check the hydraulic system for leaks to ensure that the clutch hydraulic system works properly.

References：The "passage" you mentioned refers to the previous content about the installation steps and precautions for Nissan clutch release bearings. It does not have a clear single source, but is a synthesis of information from multiple professional websites and platforms related to automobile maintenance, such as Autohome, PCauto, and Taobao Haowu Network. Among them, the content in the installation steps regarding cleaning and inspection, the direction of installing a new release bearing, etc., is consistent with the relevant articles on Autohome. The key points emphasized in the installation precautions, such as correct installation direction, avoiding damage to the bearing, and ensuring good lubrication, are also similarly stated in articles on Taobao Haowu Network and PCauto.