 New vs broken engine mount. |
 Leaking engine mount |
The most common problem with the engine mount is when the rubber part breaks or separates or when liquid starts leaking out of the liquid-filled mount.
Common symptoms of a failed engine mount is the increase in engine noise and vibration felt inside the car. Often, the excessive vibration is more noticeable at idle with the transmission engaged. For example, in some 07-08 Honda Civic models, a failing passenger side mount can cause a vibration and growling noise felt in "Reverse" when the engine is started cold. In Mazda 3, a broken top engine mount can cause vibration at idle, especially noticeable when the transmission is in "Drive".
Keep in mind:
- Do not drive your car for too long with broken engine or transmission mounts. It can cause severe damage to the axle shafts and transmission.
- Some engine mounts contain oil that may leak if a mount is damaged.
How it's done:
- Identify the broken mount.
- Remove and replace the mount.
In some cars, a broken engine mount can also cause a noticeable jolt or "thump" when shifting into "Drive" or "Reverse" or when
accelerating or decelerating. In Honda Odyssey, for example, a failed engine mount can cause harsh transmission engagement when shifting between "Park", "Drive" and "Reverse" as well as vibration at highway speeds.
- Engine or transmission movement, with bumping or clunking noises.
- Loud noise when you put the car in gear.
- Vibration when accelerating or driving uphill.
- You will feel a movement in the engine compartment when driving the car.
- Oil leaking from damaged mount (only in case of fluid filled mounts).
How important is this service?
- Engine or transmission movement, with bumping or clunking noises.
- Loud noise when you put the car in gear.
- Vibration when accelerating or driving uphill.
- You will feel a movement in the engine compartment when driving the car.
- Oil leaking from damaged mount (only in case of fluid filled mounts).
Early signs of a failed engine mount include visible cracks and separations in the rubber and leaking liquid.
Replacement costs vary. For example, the top engine mount replacement in Mazda 3 costs $150-$215, while for two broken mounts in Honda Odyssey the dealer quoted us $1,800 parts and labor. Aftermarket parts are cheaper, but there are reports about some aftermarket mounts failing prematurely or causing more vibration. When using an aftermarket part, do some research on part quality. For example, we searched for the engine mount for the 06-11 Honda Civic on Amazon and found several brands with ratings ranging from 3 to 4.5 stars. Obviously, it's worth to pay a little more for a better-rated brand.
It depends on the type of car you drive and the auto repair shop you go to. Our mechanics are mobile, which means they don't have the overhead that repair shops have. They provide you convenience by coming to your home or office.
For many cars, an engine mount is covered by the Powertrain warranty, you can verify this in your car's warranty booklet.
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