Engine Mount Replacement
Engine mounts are vital components that secure the engine to the vehicle’s chassis, absorbing vibrations and keeping the engine stable. Over time, these mounts can wear out, leading to increased vibrations, strange noises, and even potential damage to other parts of the vehicle. Replacing worn engine mounts is crucial to maintain smooth engine operation and prevent more serious mechanical issues down the road.
How serious is an engine mount?
An engine mount is a crucial part of your vehicle, as it holds the engine in place and dampens vibrations. If an engine mount fails, it can lead to significant problems, including excessive engine movement, increased vibrations throughout the vehicle, and even damage to other components like the exhaust system, transmission, or drivetrain. In severe cases, a broken engine mount can cause safety risks by affecting the handling and stability of the vehicle. Therefore, addressing issues with engine mounts promptly is essential to ensure the safety and performance of your vehicle.
What are the symptoms of bad engine mounts?
When engine mounts begin to deteriorate, you might notice a range of symptoms. Common signs include excessive vibrations felt inside the cabin, clunking or banging noises when shifting gears, and visible engine movement under the hood. In severe cases, these symptoms can escalate, leading to potential engine damage or issues with drivetrain components.
How do I check my engine mounts?
Regular inspections can help catch issues with engine mounts early. Start by visually inspecting the mounts for cracks, excessive wear, or separation. You can also perform a simple test by having someone rev the engine while you observe its movement. Excessive movement or a noticeable shift in the engine’s position could indicate that the mounts are failing and need replacement.
By understanding the seriousness of engine mount issues and recognizing the symptoms early, you can ensure timely replacement, maintaining the safety and performance of your vehicle.
Case Study: Engine Mount Replacement on Mercedes GLC X253 Equipped with M274 Engine
Front Engine Mount Replacement
Replacing an engine mount may seem like a daunting task, but with the right tools and a step-by-step approach, it can be manageable for those with some mechanical experience. Properly replacing a worn or damaged engine mount is essential for maintaining your vehicle’s stability and minimizing vibrations. In this guide, we’ll walk you through the key steps to safely and effectively replace an engine mount, ensuring your vehicle runs smoothly and securely.
2: Right engine mount 3: Right engine bracket 4: Bolts 6: Heat shield 7: Bolts
1. Remove the right engine mount (2). follow the next steps;
– Turn the rack-and-pinion steering to the center position (front wheels straight ahead) and secure the steering wheel with a locking device.
– Remove the air intake duct to the engine before the air filter.
– Remove the central and rear lower covers of the engine compartment.
– Separate the exhaust system between the catalytic converter and the central muffler.
– Unclip the engine control unit with the bracket and set it aside, leaving the remaining cables connected.
– Unscrew the bolts (1) of the right engine mount, front left and right (2).
– Install the engine lifting device and lift the engine.
– Disconnect the steering coupling from the steering shaft.
– Unscrew the bolts (5) of the front left and right engine mounts (2) and remove the two front engine mounts (2) from below.
2. Disconnect the turbocharger surge control line and set it aside.
3. Remove the heat shield from the turbocharger.
4. Unclip the lambda sensor electrical cable from the heat shield (6).
5. Unscrew the bolts (7).
6. Remove the heat shield (6).
7. Unscrew the bolt (9).
8. Unscrew the bolts (4) and remove the right engine bracket (3).
Rear engine mount Replacement
1a Bolts | 2 Engine bracket | 2a Bolts | 4 Gearbox
1- Remove the central and rear parts of the lower engine compartment cover.
2- Support the gearbox (4).
3- Unscrew the bolts (1a).
4- Unscrew the nuts (1c).
5- Unscrew the bolts (2a) and remove the engine bracket (2).
How much is a Mercedes engine mount?
Engine Mount Replacement Cost Mercedes
The cost of a Mercedes engine mount can vary widely based on several factors, including the model of the vehicle, the type of engine mount, and whether you choose an original equipment manufacturer (OEM) part or an aftermarket alternative. Here’s a general range:
- OEM Engine Mount: Typically ranges from $100 to $300 each. Prices can be higher for certain models or engines.
- Aftermarket Engine Mount: Usually less expensive, ranging from $50 to $150 each. Quality and durability can vary, so it’s important to choose a reputable brand.
Labor costs for installation can also add to the total expense, often ranging from $100 to $200 per hour depending on the shop and complexity of the job.