Replacing the clutch release bearing on a BMW 520i E39 Touring requires careful attention to detail and the right tools. click here for more details on the download manual…..
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Below is a step-by-step guide with detailed descriptions of the tools needed for the job.
### Tools Required
– **Jack and Jack Stands**:
– Heavy-duty hydraulic jack to lift the vehicle.
– Jack stands for safety, ensuring the car is secure before working underneath.
– **Wheel Chocks**:
– To prevent the vehicle from rolling while it’s raised.
– **Tool Set**:
– A comprehensive socket set (including metric sizes) for removing various bolts.
– Ratchet and extension bars for reaching difficult areas.
– **Torque Wrench**:
– To ensure that bolts are tightened to the manufacturer’s specifications.
– **Pliers**:
– For removing clips and securing cables.
– **Screwdrivers**:
– A set of flathead and Phillips screwdrivers for various tasks.
– **Clutch Alignment Tool**:
– A specialized tool for aligning the clutch disc when reassembling.
– **Brake Cleaner**:
– For cleaning components during the process.
– **Grease**:
– High-temperature grease for lubricating the new release bearing.
– **Shop Manual or Repair Guide**:
– A specific guide for the BMW E39 to reference torque specs and procedures.
### Replacement Procedure
– **Preparation**:
– Park the car on a flat surface and engage the parking brake. Disconnect the battery to prevent electrical issues.
– **Lifting the Vehicle**:
– Use the hydraulic jack to lift the front or rear of the car, depending on access points. Secure with jack stands and place wheel chocks around the wheels.
– **Removing the Transmission**:
– Detach the driveshaft by removing the bolts connecting it to the differential and transmission.
– Unbolt the transmission mounts and support the transmission with a jack.
– **Disengaging the clutch Assembly**:
– Remove the clutch cover bolts using the socket set.
– Carefully pull the clutch assembly away from the flywheel, ensuring not to damage the clutch disc or flywheel.
– **Accessing the Release Bearing**:
– The release bearing is typically located on the clutch fork. Remove any retaining clips or bolts securing it in place.
– **Removing the Old Release Bearing**:
– Slide the old release bearing off the clutch fork or transmission input shaft. Inspect for wear or damage.
– **Installing the New Release Bearing**:
– Apply a thin layer of high-temperature grease to the input shaft and the contact points of the new release bearing.
– Slide the new release bearing onto the clutch fork or input shaft, ensuring it is seated properly.
– **Reassembling clutch Assembly**:
– Place the clutch disc back onto the flywheel
and align it using the clutch alignment tool.
– Secure the clutch cover to the flywheel with bolts, tightening them in a crisscross pattern to ensure even pressure.
– **Reinstalling the Transmission**:
– Lift the transmission back into position, aligning it with the engine and securing it with bolts.
– Reattach the driveshaft and any other components disconnected during the process.
– **Final Checks**:
– Reconnect the battery and check the clutch pedal feel before lowering the vehicle.
– Lower the vehicle and perform a test drive to ensure the clutch engages smoothly.
### Conclusion
Replacing the clutch release bearing on a BMW 520i E39 Touring involves a significant amount of disassembly and care. Ensure that you have all the necessary tools and follow the steps carefully to avoid damage and ensure proper function. Always consult a repair manual specific to your vehicle for torque specifications and any model-specific considerations.
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