The BMW Part Adjusting Screw 34416851437 is a crucial component in the parking brake system of BMW vehicles. Its primary role is to maintain proper tension on the parking brake. As the brake shoes wear over time, this screw needs to be adjusted to ensure that the parking brake continues to engage effectively and maintain the correct pressure when applied.
This adjustment is essential for the safety and reliability of the vehicle’s braking system.
Part Number: 34416851437
Description: Adjusting screw
Other Names: Adjuster
Item Weight: 0.60 Pounds
Condition: New
Fitment Type: Direct Replacement
Replaces: 34-41-1-163-400
Manufacturer: BMW
Warranty: BMW factory warranty
Compatibility: Fits various BMW models from 1978-2021, including 1 Series, 3 Series, 5 Series, 6 Series, 7 Series, X Series, and Z Series.
Gather necessary tools: You will need a set of wrenches, a screwdriver, a jack and jack stands, and a torque wrench.
Ensure safety: Park the vehicle on a flat surface, engage the parking brake, and turn off the engine. Use wheel chocks to secure the wheels.
Lift the vehicle: Use a jack to lift the rear of the vehicle and place it securely on jack stands.
Remove the rear wheels: Use a wrench to loosen the lug nuts and remove the rear wheels.
Locate the adjusting screw: The adjusting screw is located inside the rear brake disc, where the parking brake cable connects.
Remove the brake drum: Use a screwdriver to carefully pry off the brake drum.
Adjust the screw: Turn the adjusting screw clockwise to increase tension or counterclockwise to decrease tension until the proper adjustment is achieved.
Reassemble the brake drum: Replace the brake drum and ensure it is properly seated.
Reinstall the rear wheels: Place the rear wheels back on and hand-tighten the lug nuts.
Lower the vehicle: Use the jack to lower the vehicle back to the ground.
Tighten the lug nuts: Use a torque wrench to tighten the lug nuts to the manufacturer’s specified torque.
Test the parking brake: Before driving, test the parking brake to ensure it is functioning correctly.
Remember to follow all safety precautions and refer to the vehicle’s service manual for specific instructions.
Common issues with the BMW Part Adjusting screw 34416851437 include:
Parking brake not holding: This can happen if the adjusting screw is not properly set, causing the parking brake to slip.
Squeaking or grinding noise: Worn or misaligned adjusting screws can cause noise when the parking brake is applied.
Difficulty engaging the parking brake: If the adjusting screw is too tight or too loose, it can make it hard to engage the parking brake.
Solutions and troubleshooting tips:
Adjust the screw: Ensure the adjusting screw is properly set to maintain tension on the parking brake. Refer to the vehicle’s manual for the correct adjustment procedure.
Inspect for wear: Check the adjusting screw and the parking brake shoes for wear and replace them if necessary.
Lubricate moving parts: Apply a suitable lubricant to the adjusting screw and other related components to prevent squeaking or grinding noises.
Check for proper alignment: Ensure the adjusting screw is correctly aligned and securely fastened.
If the issue persists, it may be best to consult a professional mechanic for further diagnosis and repair.
Regular Inspection: Check the adjusting screw for any signs of wear or damage during routine maintenance.
Lubrication: Apply a small amount of high-quality grease to the adjusting screw to ensure smooth operation.
Proper Adjustment: Adjust the screw to maintain the correct tension on the parking brake cable as the brake shoes wear down.
Cleanliness: Keep the area around the adjusting screw clean from dirt and debris to prevent corrosion.
Replacement: Replace the adjusting screw if it shows signs of excessive wear or if it fails to maintain proper tension.
The BMW Part Adjusting Screw 34416851437 is a critical component in maintaining the parking brake system’s effectiveness and safety.
Proper adjustment ensures the parking brake engages correctly, preventing slipping and ensuring reliable braking performance.
Regular inspection, lubrication, proper adjustment, cleanliness, and timely replacement are essential for optimal performance and longevity.
Failure to maintain or install this part can lead to issues such as a non-holding parking brake, squeaking or grinding noises, and difficulty engaging the parking brake.
Consult a professional mechanic if problems persist.