Question about Hyundai Motor 2004 Sonata

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If you have a motor mount going bad, are you suppose to be able to hear a noise of some kind?

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I check a bad motor mount by lifting the hood and starting car, put the car in drive gear and hold brakes down. Give it gas enough to make the motor lean and lift up from a broken mount by the torque it gives. If the motor mount is bad, the engine will actually lift up about 2-4 inches on one side. To test the other motor mount, put car in reverse and hold brakes down and do the same thing. The engine will lift up from opposite side from a split or broken motor mount.
Remember when you try this, be in an open area so that you do not end up driving into something or someone when running this test. Hood up also so you or your help can see if the engine is lifting off the mounts completely.

Posted on May 12, 2010

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Not usually. when a mount is bad, you can FELL the car **** when accell of a stop or changing from Drive to reverse. To check it, put on your parking brake, now hold the brake pedal with your left foot, now put the car in reverse, and press the gas slightly, the engine will move slightly, now put it in drive, the engine should shift slightly, if it moves a LOT like a few inches or moves upward, you may have a mount bad and it needs to be inspected.

Posted on May 12, 2010

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1 Answer

When i accelerate i hear a tapping noise sounds like its missing can u help


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Hi, it could be a wheel bearing, a bad motor mount, if it's front wheel drive it could even be an axle rubbing on the frame (hince a bad motor mount), etc but it's hard to say without hearing it myself. But should have a good idea of where the problem is now and fix it.

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sounds like a trans mount when they go bad it causes all kinds of shakes , have someone put in gear ,open hood,, watch motor. tell them to hold brake and give it a little gas .Don;t stand in front of car .....see if motor raises up if so replace all mounts motor included. this is a common fix on theses cars.

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This is hard to answer without hearing the noise, a 2005 altima it would have to have alot of miles or have been drinen hard to need a motor mount, the compressor could be noisey or may be a loose heat sheild on the exhaust,a squeal noise would be a belt a rattle noise could be a pulley going bad or something loose, when ac is on it puts more strain on engine causing things to shake,i would have a second shop just look at it before doing anything, see if they both come up with the same problem, and dont tell them what the other shop told you about the mount, tell them only after they tell you its something else.

Aug 14, 2010 | 2005 Nissan Altima

1 Answer

My 95 toyota corolla makes grinding scraping noise when going uphill. It's coming from the right front of the car. Almost sounds like it's coming from the breaks or transmission. A mechanic thinks it could...


Bad motor mounts will not usually cause the kind of noise you describe they will cause more vibration to be felt at all times.

Sometimes the brake rotor dust cover plate can rub against the rotor and make a grinding/scraping sound. Raise the car, remove the wheel, and check the clearance between the dust cover and the rotor.

If your shocks/struts are bad the tire could be rubbing against the strut. Check the strut.


Dec 12, 2009 | 1995 Toyota Corolla

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usually the knocking is the drive bearings, or, the shock absorbers...so , i would check the shockers, if your wheels are rotating normally

Aug 06, 2009 | 1993 Ford Tempo

1 Answer

Rattling noise in rear


could be coming from 3 spots
1 engine mounts = mounts go bad try shaking the motor when its cold to see if you can hear it
2 brakes = sometimes brake hardware can come loose or rust away mo so in brake drums in the back
3 exhaust shield = there is a thin shield around parts of the exhaust while it cold shake the tail pipe to see if you hear it

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I have a 2006 chevy HHR with 17400 miles on it. It has a clicking noise in the front end when going over bumps.When lifting front of car, the axle feels loose on the transaxle side of shaft on both sides....


On my cobalt (same platform) there is a known bad engine mount that clunks (like you have bad shocks) when you go over bumps.
If you look under the car from the front, you can see its a circle, (supposed to be ) filled with a rubber/composite bushing. They crack and this causes the banging.
It is supposed to look like this...
1a7e2c9.jpg
However, the rubber breaks off and your engine is flopping around.
This part needs a press to press out the old piece, so a mechanic would be the best repairman for the job.


The scraping noise is a different problem. I would suggest CV joints, but being a 2006, they shouldnt be bad unless you tow, or accelerate heavily.
I would lean toward a bad wheel bearing with the symptoms you are describing - also a job that requires a press.
You're in for quite a bill!
Figure $250 each wheel bearing and another 100 or so to fix the mount.
Dealership would be 2x that.
Good Luck!!

Jan 20, 2009 | 2006 Chevrolet HHR

2 Answers

Front End Noise


Sounds like a bad motor mount.

Sep 11, 2008 | 1997 Ford Escort

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