13 votes
Accepted

Do I need to replace all engine mounts after one has failed?

In the same way that you don't technically "need" to replace tyres or shock absorbers in pairs, I would suggest it best practice to replace the other mounts. If one has worn to the point of failure, ...
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8 votes
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Safe Way to Remove Engine Mount Support?

I believe what you have pictured there is a "dogbone" or side engine mount. These mounts are intended to counteract the the rotational forces on the engine that result from the torque between the ...
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  • 864
6 votes
Accepted

How important is it to replace engine torque mount? (have pic)

The torque mount is fairly important. It keeps everything in place when the engine is trying to torque over from either a launch or a stop. While this one isn't completely shot, it needs to be ...
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5 votes

Is this Mazda 3 motor mount broken?

Whoever said that these mounts commonly fail is entirely correct. These mounts are oil filled. The brown stuff on top is likely not hydraulic fluid. When the mounts fail they split along the bottom ...
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  • 15.9k
5 votes
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What happen if an engine is welded directly to frame (no mounts)?

Noise and vibration are the two biggies for the downside. Most serious races have their engines solid mounted to the frame. The motor mounts are just there to make it more comfortable for the driver. ...
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5 votes

Strong vibrations when idling even after replacing engine mounts (automatic transmission)

I've had this problem with my Honda accord 96 for an entire year and just figured out what was causing the vibration in idle mode. Changed mounts, cleaned air idle control valve and throttle body . ...
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5 votes

I need to take my motor mount off. I don't have a jack. So can can I take off that mount to get to my alternator pulley without dropping the motor?

Option 1: use your spare tire jack with a 2x6 and jack engine at oil pan. Do not lift too hard or you'll damage pan. Option 2: remove hood and use a come a long and lift from the top. Best option: you ...
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  • 2,702
4 votes
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Engine Mounts issue can be caused by replacing Alternator?

Depending on the design of your car, the engine mounts may have been removed during the alternator removal and replacement so any damage may now show up. Alternatively, if the alternator previously ...
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4 votes

Engine Mounts issue can be caused by replacing Alternator?

While both Paulster2's and Steve Matthews's have good answers, there is another thing to consider. The 3.5 V-6 equipped Camrys that year (not sure about the 4 cly) have what Toyota calls Active ...
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4 votes

Do I need to replace all engine mounts after one has failed?

You don't NEED to, but be aware that the other mounts tend to wear more quickly after 1 has been replaced. If you don't replace the others, keep an eye on them.
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  • 8,413
4 votes

I need to take my motor mount off. I don't have a jack. So can can I take off that mount to get to my alternator pulley without dropping the motor?

If you only have a bumper jack, try it this way. Raise the fromt bumper about 6 inches at the proper side. Loosen the motor mount bolts a bit. Place sturdy wood blocks under the engine close to the ...
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4 votes

2012 Golf TDI - manual trans. mount repair

You can absolutely use a Helicoil as a repair. My opinion is, it is actually a better repair. I understand why your shop teacher would suggest drilling/tapping it out to the next size, as that would ...
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4 votes
Accepted

What is the part number (or equivalent bolt) for a VW New Beetle rear engine mount bolt, and can I use threadlocker on it?

This looks like what you want from a google search - I got the information from here. Another google search for the part number returned this - I would recommend getting the correct bolt though, ...
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  • 20.9k
3 votes

Engine mount bolts not lining up

Until you have ALL the bolts for engine and transmission threaded don't tighten ANY of them.
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  • 1,046
3 votes

Is this Mazda 3 motor mount broken?

The forward and rear legs of the "floating" portion of the mount are actually resting on the metal below. Is this a giveaway - or normal? I don't know about your specific car but what I recall is ...
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3 votes

What happen if an engine is welded directly to frame (no mounts)?

You're not going to be able to weld the block to the frame, due to the block (likely) being cast. You can bolt it with solid motor mounts, which are commercially available for more common performance ...
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  • 246
3 votes

What is the best way to determine if my hydraulic motor mounts are bad?

This would not be a motor mount issue. What you are describing seems to be an issue with the transmission. IIRC, the C230 is a rear wheel drive vehicle. Only a front wheel drive vehicle would produce ...
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3 votes
Accepted

Drove over a semi-large rock and now vehicle vibrates in Park - Goes away in Drive

It's possible but unlikely that the engine mounts are the problem, at least they wouldn't be the only problem that needs to be addressed. An engine mount is a flexible cushion that connects the engine ...
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  • 14.6k
3 votes
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Torque for engine mount stud

When you torque the nut up, you are torquing the whole stud. I don’t think you should be torquing the stud on its own. To torque it down, you will either have to be driving it down to the bottom of ...
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  • 20.9k
2 votes

What would cause motor mounts to go out on a factory engine?

Are your mounts located directly near your exhaust manifold? Do they have a heat shield? The rubber can dry and crack due to the heat from the exhaust manifold if not properly insulated/protected from ...
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2 votes
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What is the best way to determine if my hydraulic motor mounts are bad?

Sounds like you need to look at the rear bushing of the front wheel control arms. These are made of rubber on most cars and don't last beyond 100k. The thunk you feel is because a normal bushing has ...
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2 votes

Engine Mounts issue can be caused by replacing Alternator?

I think the problem was probably there before and you are just noticing it. Lots of times, the problems we experience with vehicles happens over time. Motor mounts are one such thing. They do not wear ...
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2 votes

Car bounces back and forth after shifting

I've experience this in my 06 TC, I don't have a DMF but know the exact feeling you're talking about. The first Time I experienced it was while learning stick on a friends car, and it jerked the car ...
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2 votes

Can driving long distances cause motor mounts to crack?

A few factors contribute to rubber inserts within motor mounts to fail. 1. Dry Rot The rubber decays over time and loses it's elasticity. The degraded rubber fails slowly over time. 2. Chemicals ...
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  • 32.8k
2 votes

Can driving long distances cause motor mounts to crack?

The main thing which damages motor mounts is the torque provided by the engine (the twisting motion the motor mounts are preventing). When you are driving down the highway on a long cruise, you are ...
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2 votes
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Is an engine mount a "covered component" under power-train warranty?

I very much doubt it. I don't specifically know about Chrysler, but some manufacturers definitely don't cover the engine mountings due to it being one of the members under the considerable stress. ...
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  • 206
2 votes

Is this Mazda 3 motor mount broken?

Replace it before attempting any expensive repairs. The other items named are pretty uncommon for failure IMO, sounds like they were grasping at straws- especially given that they didn't notice your ...
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  • 1,722
2 votes

Steering wheel vibration after changing mounts on a 2002 Ford F150 4.2L V6

I would perform the same test to check for bad engine mounts, in the first place. Place your foot on the brake, engine in gear, and give it a bit of gas. Through the gap under the [raised] hood, ...
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  • 1,722
2 votes

Why does my engine vibrate at idle only when I have the AC on?

The engine has no power at idle, it would be same as if you switch in gear and slowly release a clutch. Automatic idle control will try to keep it running, and it will vibrate. Some tiny 1L cars with ...
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2 votes

What happen if an engine is welded directly to frame (no mounts)?

It would be very expensive to replace if the frame or the engine get damaged. FYI, many motorcycles, if not all, have the engine directly bolted to the frame. The main downside I can see is the ...
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