Peugeot 208 Upper Gearbox Mount Replacement Guide

Nov 13, 2025 by Alex Braham 50 views

Hey guys! Ever wondered about that shaky feeling or those weird noises coming from your Peugeot 208? It might be a sign that your upper gearbox mount, also known as the coxim superior cambio, is giving up on you. Don't worry, we've all been there! This guide will walk you through everything you need to know about replacing it, making sure your ride is smooth and quiet again. Let's dive in!

Understanding the Upper Gearbox Mount

Okay, so what exactly is this "coxim superior cambio" we're talking about? Simply put, it's the upper gearbox mount. This crucial component is designed to support the gearbox and absorb vibrations from the engine and transmission. Over time, the rubber or polyurethane material in the mount can deteriorate due to heat, stress, and general wear and tear. When this happens, you'll start noticing symptoms like increased vibrations, clunking noises when shifting gears, and even a general feeling of instability. Ignoring these signs can lead to more serious problems down the road, such as damage to the gearbox itself or other related components. Regular inspections are key, and replacement at the first sign of trouble can save you a lot of headaches and money in the long run. Think of it like this: the gearbox mount is like a shock absorber for your transmission, ensuring a smooth and quiet ride. A worn-out mount is like a broken shock absorber, making every bump and gear change feel rough and jarring. That's why it's so important to keep an eye on the condition of your gearbox mount and replace it when necessary. This small investment can make a big difference in the overall performance and longevity of your Peugeot 208. So, next time you're under the hood, take a quick look at the mount – it could save you a lot of trouble!

Symptoms of a Failing Upper Gearbox Mount

Alright, let's get down to the nitty-gritty. How do you actually know if your Peugeot 208's upper gearbox mount is on its last legs? Here are some telltale signs to watch out for:

Excessive Vibrations: This is a big one. If you feel unusual vibrations, especially when idling or accelerating, your mount might be the culprit.
Clunking Noises: Hearing clunking sounds when you shift gears? That's another red flag. The worn mount can't properly dampen the movement, causing the gearbox to knock against other components.
Rough Shifting: Gear changes feeling a bit jerky or difficult? A failing mount can affect the alignment and stability of the gearbox, making shifting less smooth.
Visual Inspection: Take a peek at the mount itself. Look for cracks, tears, or any signs of deterioration in the rubber or polyurethane material. If it looks worn out, it probably is.
Engine Movement: Have a friend rev the engine while you watch the engine bay. Excessive engine movement can indicate a faulty mount.

If you're experiencing any of these symptoms, it's a good idea to get your Peugeot 208 checked out by a mechanic. They can properly diagnose the issue and recommend the best course of action. Remember, ignoring these signs can lead to more serious and costly repairs down the road. Think of it as catching a cold before it turns into the flu – addressing the problem early can save you a lot of pain and suffering!

Tools and Materials Needed

Before you start wrenching, make sure you've got all the right tools and materials. Here's a list to get you started:

New Upper Gearbox Mount: Obviously, you'll need a replacement mount. Make sure it's the correct one for your Peugeot 208 model and year.
Socket Set: A good socket set with various sizes will be essential for removing and installing bolts.
Wrench Set: Wrenches will come in handy for those hard-to-reach nuts and bolts.
Jack and Jack Stands: Safety first! You'll need to lift your car and secure it with jack stands before working underneath.
Torque Wrench: This is crucial for tightening bolts to the correct specification. Overtightening can damage the mount or other components.
Penetrating Oil: Spraying penetrating oil on stubborn bolts can make them much easier to remove.
Pry Bar: A pry bar can help you gently remove the old mount.
Gloves: Protect your hands from dirt and grime.
Safety Glasses: Keep those peepers safe from flying debris.

Having the right tools will make the job much easier and safer. There is nothing more frustrating than getting halfway through a repair and realizing you're missing a crucial tool. So, take the time to gather everything you need before you start. It'll save you time, stress, and potentially a trip to the auto parts store!

Step-by-Step Replacement Guide

Okay, here's the part you've been waiting for! Follow these steps carefully to replace your Peugeot 208's upper gearbox mount:

Safety First: Park your car on a level surface, engage the parking brake, and chock the rear wheels. Loosen the lug nuts on the front wheels.
Lift the Car: Use a jack to lift the front of your car and securely place jack stands under the frame rails. Never work under a car supported only by a jack!
Remove the Front Wheels: Now that the car is safely supported, remove the front wheels to give you better access to the gearbox mount.
Locate the Upper Gearbox Mount: The upper gearbox mount is typically located on top of the gearbox, near the engine. Refer to your car's service manual if you're unsure of its exact location.
Support the Gearbox: Use a transmission jack or a piece of wood and a floor jack to support the gearbox from underneath. This will prevent it from shifting or falling when you remove the mount.
Remove the Mount Bolts: Use your socket and wrench set to remove the bolts securing the upper gearbox mount to the gearbox and the car's frame. Be careful, as some bolts may be tight or corroded. Penetrating oil can help.
Remove the Old Mount: Once all the bolts are removed, carefully pry out the old gearbox mount. You may need to use a pry bar to gently loosen it.
Install the New Mount: Install the new upper gearbox mount in the reverse order of removal. Make sure it's properly aligned and seated before tightening the bolts.
Tighten the Bolts: Use a torque wrench to tighten the bolts to the manufacturer's specified torque. This is crucial to ensure the mount is properly secured and won't loosen over time. Consult your car's service manual for the correct torque specifications.
Remove the Support: Carefully remove the transmission jack or floor jack that was supporting the gearbox.
Reinstall the Wheels: Reinstall the front wheels and tighten the lug nuts by hand.
Lower the Car: Lower the car back to the ground and tighten the lug nuts to the manufacturer's specified torque.
Test Drive: Take your Peugeot 208 for a test drive and listen for any unusual noises or vibrations. If everything sounds and feels good, you've successfully replaced the upper gearbox mount!

Important Note: If you're not comfortable performing this repair yourself, it's always best to take your car to a qualified mechanic. Working on cars can be dangerous, and it's important to have the necessary skills and experience to do the job safely and correctly.

Choosing the Right Replacement Mount

Selecting the right replacement upper gearbox mount is crucial for ensuring optimal performance and longevity. You'll typically have a few options to choose from:

OEM (Original Equipment Manufacturer) Mounts: These are the same mounts that came with your Peugeot 208 from the factory. They're typically the most expensive option, but they offer the best fit and performance.
Aftermarket Mounts: Aftermarket mounts are made by third-party manufacturers and can be a more affordable alternative to OEM mounts. However, the quality can vary, so it's important to choose a reputable brand.
Performance Mounts: Performance mounts are designed for enthusiasts who want to improve their car's handling and responsiveness. They're typically made from stiffer materials, which can reduce engine movement but may also increase vibrations.

When choosing a replacement mount, consider your budget, driving style, and desired level of performance. If you're looking for a direct replacement that will provide the same ride quality as the original mount, an OEM or high-quality aftermarket mount is a good choice. If you're looking for improved performance, a performance mount may be a better option, but be prepared for a potentially harsher ride.

Additional Tips and Considerations

Here are a few extra tips to keep in mind when replacing your Peugeot 208's upper gearbox mount:

Consult Your Service Manual: Always refer to your car's service manual for specific instructions and torque specifications. This will ensure you're doing the job correctly and safely.
Use Penetrating Oil: Don't be afraid to use penetrating oil on stubborn bolts. Let it soak in for a few minutes before attempting to remove the bolts.
Take Pictures: Take pictures of the old mount before you remove it. This can be helpful when installing the new mount, especially if you're unsure of the correct orientation.
Don't Overtighten: Overtightening the bolts can damage the mount or other components. Use a torque wrench to tighten the bolts to the manufacturer's specified torque.
Inspect Other Mounts: While you're replacing the upper gearbox mount, it's a good idea to inspect the other engine and transmission mounts. If one mount is worn out, the others may be on their way out as well.

Conclusion

Replacing the upper gearbox mount on your Peugeot 208 might seem like a daunting task, but with the right tools, knowledge, and a little patience, you can definitely do it yourself! Just remember to prioritize safety, follow the steps carefully, and don't hesitate to seek professional help if you're not comfortable doing the job. A new gearbox mount can make a world of difference in your car's performance and ride quality, so get out there and give your Peugeot 208 some love! You got this!