Chevrolet 19245400 Bearing Asm,Clutch Release

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The clutch disc should be centered using the alignment tool.

To remove the clutch release bearing, start by removing the release cylinder and then the transmission. On certain models, such as the 1994 and 1995 models with four-cylinder engines, the bell housing also needs to be removed. Once these components are removed, detach the clutch release lever from the ball stud and remove the bearing from the lever. To inspect the bearing, hold the center and rotate the outer portion while applying pressure. If it doesn't turn smoothly or is noisy, it should be replaced. Inspect the bearing for any damage, wear, or cracks. When installing the new bearing, lightly lubricate the clutch release lever, the groove for the lever in the bearing, and the inner groove of the bearing with high-temperature grease. Attach the bearing to the lever and lubricate the ball socket with grease before securely seating the lever onto the ball stud. Apply a light coat of grease to the face of the bearing where it contacts the pressure plate diaphragm fingers. For 1994 and 1995 models, install the bell housing and tighten the bolts to the correct torque specifications. Prior to installing the transmission, apply grease to the sleeve of the transmission front bearing retainer. Finally, complete the installation by following the reverse of the removal procedure and tightening all bolts to the correct torque.

The removal process involves accessing the clutch components by removing the transmission while leaving the engine in place, with the engine supported, preferably using an engine hoist, or a jack with a piece of wood between it and the oil pan to avoid damage to the oil pump pickup. Care must be taken as the oil pan is close to the pickup. The release cylinder should be removed first. For heavy-duty (cast iron case) transmissions, the bellhousing-to-engine bolts should be removed, and the housing may need gentle prying to detach from alignment dowels. The clutch fork and release bearing can remain attached to the housing. An alignment tool is recommended to support the clutch disc during removal. The flywheel and pressure plate should be carefully inspected for indexing marks or scribed marks for proper alignment. The pressure plate-to-flywheel bolts should be gradually loosened in a criss-cross pattern and removed, followed by the pressure plate and clutch disc. Upon inspection, it is advised to examine all clutch components, including the clutch driven plate assembly (clutch disc), flywheel for defects, and the pilot bearing. The clutch disc should have at least 1/16-inch of lining above the rivet heads, and loose rivets, distortion, cracks, and other damage should be checked for. The release bearing and the machined surfaces and diaphragm spring fingers of the pressure plate should also be inspected for wear or damage, with the pressure plate replaced if necessary. Cleaning the flywheel and pressure plate surfaces with lacquer thinner or acetone is crucial before installation to ensure no oil or grease is present. The clutch disc and pressure plate should be positioned against the flywheel with an alignment tool, ensuring proper installation, and the pressure plate-to-flywheel bolts should be tightened gradually in a criss-cross pattern. The clutch disc should be centered using the alignment tool before final tightening of the bolts. Lubrication of the release bearing, release lever contact areas, and transmission input shaft bearing retainer with high-temperature grease is essential before installing the clutch release bearing. Finally, reinstallation of the transmission, release cylinder, and all previously removed components is necessary, with all fasteners tightened to recommended torque specifications.

Removal begins with disconnecting the negative cable from the battery, followed by removing the transmission. If the transmission is a heavy-duty type, the bellhousing should be removed. On 1995 and earlier models, the clutch release lever is detached from the ball stud, then the bearing is removed from the lever. On 1996 and later models, the clutch release cylinder is removed and the release bearing is detached from the release cylinder. Inspection involves holding the center of the bearing and rotating the outer portion while applying pressure. If the bearing doesn't turn smoothly or if it's noisy, it should be replaced with a new one. The bearing should be wiped with a clean rag and inspected for damage, wear and cracks. The bearing should not be immersed in solvent as it's sealed for life and doing so would ruin it. Installation involves lightly lubricating the release fork groove and the inner groove of the bearing with high-temperature grease on 1995 and earlier models. The release bearing is then attached to the clutch lever. The clutch release lever ball socket is lubricated with high-temperature grease and the lever is pushed onto the ball stud until it's securely seated. A light coat of high-temperature grease is applied to the face of the release bearing, where it contacts the pressure plate diaphragm fingers. On models equipped with a heavy-duty type transmission, the bell housing is installed and the bolts are tightened to the torque. Prior to installing the transmission, a light coat of grease is applied to the transmission front bearing retainer. The remainder of installation is the reverse of the removal procedure with all bolts tightened to the correct torque.

The release bearing, release lever contact areas, and transmission input shaft bearing retainer should be lubricated with high-temperature grease before installing the clutch release bearing.

To attach the new bearing to the lever, lubricate the ball socket with grease before securely seating the lever onto the ball stud. Apply a light coat of grease to the face of the bearing where it contacts the pressure plate diaphragm fingers.

To remove the clutch components, the transmission needs to be removed, unless the engine is being taken out for a major overhaul. In that case, the clutch should be checked for wear and replaced if necessary. It is recommended to replace the clutch components whenever the engine or transmission is removed, unless they are new or in near-perfect condition. The process involves disconnecting the clutch hydraulic fluid line, supporting the engine while removing the transmission, and inspecting the flywheel and pressure plate for indexing marks. The pressure plate-to-flywheel bolts should be loosened and removed, followed by the pressure plate and clutch disc. During inspection, all components should be checked, and the clutch disc and release bearing should be replaced. The pressure plate should be inspected for damage and replaced if necessary. Before installation, the flywheel and pressure plate machined surfaces should be cleaned, and the clutch disc and pressure plate should be positioned against the flywheel with an alignment tool. The pressure plate-to-flywheel bolts should be tightened gradually in a criss-cross pattern, and the clutch disc should be centered using the alignment tool. The release bearing, transmission, and all previously removed components should be installed, and all fasteners should be tightened to the recommended torque.

After installation, all fasteners should be tightened to the recommended torque.

Before installing the new bearing, lightly lubricate the clutch release lever, the groove for the lever in the bearing, and the inner groove of the bearing with high-temperature grease.