The BMW Part Shaft Seal 11117584398, also known as the crankshaft seal, is a critical component in BMW vehicles. This seal plays a vital role in maintaining the integrity of the engine by preventing oil leaks from the crankshaft area. It ensures that the engine remains well-lubricated, which is essential for smooth and efficient operation.
A faulty or worn-out shaft seal can lead to oil leaks, resulting in decreased engine performance, increased wear and tear, and potential engine damage. Therefore, maintaining and replacing this seal when necessary is crucial for the overall performance and longevity of the vehicle.
The BMW Part Shaft seal 11117584398 has the following features and specifications:
Material: PTFE (polytetrafluoroethylene) and ACM (polyacrylate rubber)
Inner Diameter: 90 mm
Height: 12 mm
Diameter: 110 mm
Swirl Type: Left-hand Twist
Dust Cover: With dust lip
Socket set
Torque wrench
Screwdrivers
Seal puller or seal removal tool
Clean rags
Engine oil
Ensure the engine is cool before starting.
Disconnect the battery to prevent electrical shock.
Use jack stands to safely elevate the vehicle if necessary.
Wear safety gloves and eye protection.
Preparation: Disconnect the battery and ensure the engine is cool. Elevate the vehicle if needed and secure it with jack stands.
Drain Engine Oil: Place a drain pan under the oil pan and remove the drain plug to drain the engine oil.
Remove Old Seal: Use a seal puller or seal removal tool to carefully remove the old shaft seal from the crankshaft.
Clean Area: Use a gasket scraper to clean the area around the crankshaft where the old seal was located. Ensure it is free of debris and old sealant.
Install New Seal: Apply a thin layer of engine oil to the outer edge of the new shaft seal.
Carefully press the new seal into place by hand, ensuring it is fully seated.
Reassemble: Reinstall the crankshaft pulley and any other components that were removed. Tighten all bolts to the manufacturer’s specified torque using a torque wrench.
Refill Oil: Reinstall the oil drain plug and refill the engine with the appropriate amount of engine oil.
Reconnect Battery: Reconnect the battery and start the engine. Check for any leaks around the new seal.
Run the engine for a few minutes and check for any oil leaks.
Ensure the engine is running smoothly and there are no unusual noises.
If you encounter any issues or are unsure about any step, it is recommended to consult a professional mechanic.
Regular Inspection: Check the seal for any signs of wear, damage, or leaks during routine maintenance.
Proper Installation: Ensure the seal is installed correctly, following the manufacturer’s guidelines.
Use Recommended Sealant: Apply the recommended sealant, such as BMW’s “Ultra Grey” gasket sealant, around the circumference of the seal.
Avoid Over-tightening: When installing, avoid over-tightening bolts to prevent damage to the seal.
Maintain Cleanliness: Keep the area around the seal clean from debris and contaminants.
Monitor Oil Levels: Regularly check oil levels to ensure there are no leaks from the seal.
Follow Service Intervals: Adhere to the recommended service intervals for your vehicle to ensure timely replacement if needed.
Use Quality Parts: Use genuine BMW parts or high-quality aftermarket parts to ensure longevity and performance.
Common issues with the BMW Part Shaft Seal 11117584398 include oil leaks, improper installation, and premature wear. To troubleshoot, check for oil stains around the seal area, ensure proper alignment during installation, and inspect for any damage or wear. Preventive measures include regular maintenance, using high-quality replacement parts, and applying the recommended gasket sealant.
The BMW Part Shaft Seal 11117584398 is a critical component in maintaining engine integrity by preventing oil leaks from the crankshaft area. A faulty or worn-out shaft seal can lead to decreased engine performance, increased wear and tear, and potential engine damage.
Regular inspection and proper installation are crucial for the longevity and performance of the vehicle.
