Toyota 90363-12002 Bearing

The clutch pilot bearing is a needle roller type bearing pressed into the rear of the crankshaft, greased at the factory and requiring no additional lubrication, primarily supporting the front of the transmission input shaft. It should be inspected whenever the clutch components are removed from the engine, and if there are any doubts about its condition due to inaccessibility, it is advisable to replace it. To begin, remove the transmission and the clutch components. Using a flashlight, inspect the bearing for excessive wear, scoring, dryness, roughness, or any obvious damage, and replace it if any issues are found. Removal can be done with a special puller or an alternative method involving a solid steel bar, wood dowel, or a bolt through a socket. Ensure the bar fits snugly into the bearing, then pack the bearing and the area behind it with heavy grease to eliminate air. Insert the bar into the bearing bore and strike it sharply with a hammer to force the grease behind the bearing, pushing it out. Alternatively, pack the recess behind the bearing with heavy grease and use a steel rod to hydraulically force it out. After removing the bearing, clean all grease from the crankshaft recess. For installation, lightly lubricate the outside surface of the new bearing with grease and drive it into the recess with a seal installer or socket, ensuring the bearing seal faces out. Finally, reinstall the clutch components, transmission, and all previously removed components, tightening all fasteners to the recommended torque.

The clutch pilot bearing, which is a ball-type bearing that is pressed into the counter of the crankshaft, supports the forward part of the transmission's input shaft and must be checked whenever the clutch parts are detached from the engine. If, for some reason, it is impossible to assess its state, it would be wiser to replace it with a new one. To inspect, first take off the above listed components, then wipe the bearing with a cloth and visually scrutinize it for signs of wear, score lines or damage while using a torch to light up the area. The pilot bearing should rotate freely and quietly; if not, or if the contact surface of the transmission input shaft is worn, use a new bearing which is usually fitted with the clutch disc for economy. For removal; there is the puller, otherwise a steel bar slightly small than the bearing, wood dowel or socket with fixed bolt can be used. The bar should slide in the bearing to get a light fit and the space at the back of the bar should be packed with grease right from the factory to eliminate air. By use of the bar and banging it forcefully, the grease will give out the bearing from the hole. When the bearing has been withdrawn and the crankshaft recess cleaned install the new bearing by dipping the outside of the bearing in oil and placing it in the crankshaft recess then hammer it gently into position using a hammer and a socket of the outside race of the bearing. Last but not least, replace all the clutch parts, the transmission, and any other part that was removed.

The clutch pilot bearing is a needle roller type bearing pressed into the rear of the crankshaft, greased at the factory and requiring no additional lubrication, primarily supporting the front of the transmission input shaft. It should be inspected whenever the clutch components are removed from the engine, and if there are any doubts about its condition due to inaccessibility, it is advisable to replace it. To begin, remove the transmission and the clutch components. Using a flashlight, inspect the bearing for excessive wear, scoring, dryness, roughness, or any obvious damage, and replace it if any issues are found. Removal can be done with a special puller or an alternative method involving a solid steel bar, wood dowel, or a bolt through a socket. Ensure the bar fits snugly into the bearing, then pack the bearing and the area behind it with heavy grease to eliminate air. Insert the bar into the bearing bore and strike it sharply with a hammer to force the grease behind the bearing, pushing it out. Alternatively, pack the recess behind the bearing with heavy grease and use a steel rod to hydraulically force it out. After removing the bearing, clean all grease from the crankshaft recess. For installation, lightly lubricate the outside surface of the new bearing with grease and drive it into the recess with a seal installer or socket, ensuring the bearing seal faces out. Finally, reinstall the clutch components, transmission, and all previously removed components, tightening all fasteners to the recommended torque.

90365-25021 Clutch bearing