Shifting drum repair on a Mercedes Benz C Class 200 W202 involves several steps and requires specific tools and materials. click here for more details on the download manual…..
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Below is a detailed guide to help you through the process:
– **Tools Required:**
– **Socket Set:** A complete metric socket set (including 10mm, 13mm, and 17mm sockets) will help in removing bolts and nuts.
– **Torque Wrench:** Ensures that bolts are tightened to the manufacturer’s specifications.
– **Screwdrivers:** A flathead and Phillips screwdriver for various screws and clips.
– **Pliers:** Needle-nose pliers are useful for manipulating small parts and clips.
– **Brake Tool:** If you have drum brakes, a brake tool might be necessary for adjusting the brake shoes.
– **Hammer:** A rubber mallet can assist in loosening stubborn parts without causing damage.
– **Pry Bar:** Useful for removing the drum if it’s stuck.
– **Jack and Jack Stands:** For safely lifting and supporting the vehicle.
– **Brake Cleaner:** To clean components as needed.
– **Shop Towels:** For wiping down parts and cleaning up.
– **Replacement Parts:** Ensure you have the correct OEM parts for the shifting drum and any associated hardware.
– **Safety Precautions:**
– **Wear Safety Gear:** always wear safety glasses and gloves to protect against debris and sharp edges.
– **Ensure Stability:** Make sure the vehicle is on a flat surface and securely supported by jack stands before starting any work.
– **Preparation:**
– **Disconnect the Battery:** To prevent any electrical issues, disconnect the negative terminal of the battery.
– **Remove the Wheel:** Use a jack to lift the vehicle and remove the wheel to access the brake assembly.
– **Accessing the Drum:**
– **Remove the Brake Drum:** If applicable, unbolt and slide off the brake drum. If it’s stuck, gently tap it with a rubber mallet.
– **Inspect Components:** Check the brake shoes, springs, and other components for wear or damage.
– **Removing the Shifting Drum:**
– **Locate the Shifting Drum:** Identify the shifting drum, which is typically located near the rear axle.
– **Unbolt the Drum:** Use the appropriate socket size to remove the bolts securing the shifting drum.
– **Disconnect Linkages:** Carefully detach any linkages or cables connected to the drum, taking note of their positions for reinstallation.
– **Replacing or Repairing the Drum:**
– **Inspect the Drum:** Check for wear or damage. If it’s severely worn, replace it with an OEM part.
– **Clean the Area:** Use brake cleaner to remove any debris or contaminants from the area.
– **Install New Drum:** If replacing, position the new shifting drum and secure it with bolts. Ensure it aligns correctly with the other components.
– **Reassembly:**
– **Reconnect Linkages:** Reattach any linkages or cables you previously disconnected, ensuring they are secured properly.
– **Reinstall Brake Drum:** If applicable, reinstall the brake drum, ensuring it spins freely without obstruction.
– **Reattach Wheel:** Mount the wheel back on
and hand-tighten the lug nuts.
– **Final Steps:**
– **Lower Vehicle:** Carefully lower the vehicle back to the ground and remove the jack stands.
– **Reconnect Battery:** Reconnect the negative terminal of the battery.
– **Test Operation:** Before driving, test the operation of the shifting drum by engaging the transmission and ensuring smooth operation.
– **Torque Specifications:**
– **Follow OEM Specs:** Use the torque wrench to tighten all bolts to the manufacturer’s specifications, typically found in the vehicle’s service manual.
– **Road Test:**
– **Check Functionality:** After repairs, take the vehicle for a short test drive to ensure everything operates smoothly.
By following these steps with the appropriate tools and precautions, you should be able to successfully repair or replace the shifting drum on your Mercedes Benz C Class 200 W202. always refer to the vehicle’s service manual for specific details related to your model.
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