Hyundai - Sonata :: 2004 - Knocking Sound - Hot Smell
Feb 22, 2016
My car is a 2004 Hyundai Sonata with 260,000 miles. Regularly maintained and has been an excellent car. However, a few days ago, while driving it with the heater on, the car begins to smell hot,both inside and outside the car. My husband has checked the oil, battery, and coolant levels...everything appears normal yet when I tried to start it one day, the car made a loud knocking sound under the hood, battery light came on and the car never started.
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While driving our car I heard a loud popping sound and had to call roadside assistance. I was informed that the frame had cracked which probably caused the axle to drop. The car is part of a class action suit for corrosion of the frame. Customer service says that they will cover any damages to the car as a result of problems with the frame. If the local Hyundai asks for payment, Should I have the car fixed and submit the bill to the main office for reimbursement?
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2001 hyundai sonata has a loud squeaking sound when you start the car. i had just bought it so i'm not sure what problems it has but it didn't have any engine oil when i checked it and now when you drive it it seems to be missing not getting speed.
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I have a 2006 Sonata - LOVE this car. Lots of miles on it - 180,000 well cared for and routine maintenance done. I have a knocking sound from the motor AFTER it warms up.. Drives wonderful starts perfect. Mileage good as always.
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I have a 2009 Sonata Limited (4 cyl), and since the beginning of the summer, I have had a knocking/creaking type sound coming from both the front AND back of the car, which feels like is coming from underneath. I can feel it in the floor when it gets really hot, and therefore really bad. I hear it almost exclusively while accelerating or coming to a complete stop. When it gets really hot out, I can hear it very slightly while driving at slower speeds, but that's about it. Has no correlation to making turns, as would be the case with a tie rod.
I find it extremely strange that this is happening only in the heat. When it's cooler out, say below 80-85 degrees, there is no sound whatsoever. The car runs phenomenally otherwise, very quiet. Based on some stuff I've read, it seems like a suspension issue is a possibility? I live in a neighborhood with extremely poor roads, and actually live on a dirt road.
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I have a 2007 sonata 2.4L with 93k miles that has a knocking sounds coming from the bottom of the engine. It seems that it is a bad rod bearing and was caused by low oil levels. I did not know that the oil was that low (3 quarts low) It started about a week ago. I know I'm gonna have to put it on jack stands and drop the oil pan.
By the way, Here is a video I found and it sounds similar to my car. Here's the link : 2.4L Theta Engine Noise - YouTube
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2005(its NF model) Sonata 2.4 petrol manual. 75000 miles. On cold start makes knocking sound( sound like Diesel). After coupe of minutes when warms up the knocking sound gone.
Also when i start driving( still on cold engine) i hear that sound only when i let go from gas pedal and only in range of 1800-1500 rpm. When i accelerate i don't hear that knocking sound.
I think is not belt tensioner because sound is much longer than couple of sec.
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I've got a 2011 Sonata GLS with 83k on it.
Last night I was driving and started to hear a repetitive knocking sound. Stopped to determine if it was only when moving but it continued in park.
Checked the oil and apparently there was very little of it.
Don't know how I screwed that up but the mechanic heard the engine for 1 second and said I need a full engine replacement.
So, yeah I am ticked off and need to take care of it.
The VIN qualifies for a replacement under the recall but I don't know how the dealership will feel about the present engine condition.
If that's not an option, where do I even begin to look for a replacement?
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I own a 07 Hyundai Sonata Limited with 31000 miles. It is 20 degrees today. When I start the car up there is this knocking sound from the engine. Once the car warms up the knocking sound only happens when the car is in drive or reverse. When the car is in park or neutral it is fairly quiet. The sounds is still there but not as loud as in drive or reverse. I have done the routine synthetic blend oil changes between 3500-4500 miles.
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I recently bought a 2006 Hyundai Sonata 3.3 V6. Had another issue related to the rear wheel, which I fixed. Today, I changed the oil filter on the car (along with the oil). I have heard this engine noise before, but with the cover off it appears a little louder. It’s basically a ‘ticking’ sound.
The engine uses no oil, and has no other leaks. It has some noise on startup for maybe 1-2 seconds (like a loud lifter or something, but it goes away in less than 2 seconds, and at the same time the oil light goes out). I changed the filter today because I was told that a leaky gasket could result in the Filter not retaining oil between starts, causes some minor knock for a few seconds.
But anyway, this other ticking noise seems to be regular, regardless of condition. I have heard some people say that some engine noise is normal for this engine, but how about this?
Video w/ Noise: [URL] ....
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My 2007 Hyundai Sonata has a knocking sound when I put my foot on the brakes. It has 82,000 miles. It still has the 100,000 mile warranty. The brake shoes was replaced last year. Does it need new shocks?
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I was driving this morning after doing a brake job (nothing to do with the problem, just anger coming out) made it about 10 kms and noticed when i took my foot off the accelerator, the heater fan powered down a bit, and back up when I gave it gas...noticed a knocking sound from the engine...pulled into a gas station and put it in park. After a hard time idling, it cut out. I started it again and the idle was not good at all. kept cutting out. Got it going and made it home with the same sort of power issue. Tried to start it a couple times and same issue with the idle. Sputtering quite a bit and noticed quite a bit of exhaust coming out. When I backed it out of the garage, I noticed a small puddle of oil.
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2006 Sonata LX. It's only on a cold start up and lasts for about 30-45 seconds tops..and then it goes away. Car has 74k on it. Treated well. Only use synthetic oil and no check engine lights. Last oil change I put 5w 30 in it. I know it says to use 5w 20. Could this be the problem?
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I recently changed my ATF. I refilled with Hyundai SP-III like a good little boy. The ATF fluid level is correct. It's right in the "Hot" range when the car is idling at operating temp.
Now, when I back out of my driveway when the vehicle is totally cold, then put in Drive, I hear a slight knocking sound after I get about 50 feet away. It's a single knock, not very loud, but discernible. If I drive even 1/2 mile and try again (i.e. back up a bit, then put it back in Drive), I can't reproduce it. It's only when the car is first backed out and driven away.
I have around 15K left on the warranty. I'd feel silly bringing it to the dealer for this, unless someone knew of an issue this might be a symptom of.
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For the last year or so i have been annoyed severely by a clunking knocking sound from the rear (possibly passenger side) of the car. The noise occurs when there is torsion occurring or a sudden change of direction. I can go over a huge speed bump or pothole and not hear a thing yet the slightest change in direction or torsion will cause this extremely annoying heavy metal clunking knocking sound. I tightened every suspension system related screw in the rear of the car and the noise is still present.
The car is lowered on H&R springs (approx. 1.4 drop) so im wondering if maybe there is an additional stress that has been torturing the sway bar links for the last 3 years causing this noise. Or could it be the shocks (which are working properly)?
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Vehicle: 2013 Hyundai GLS @ 36k miles.
When my vehicle is stopped or in motion at low speed, if I turn the steering wheel, I hear a knocking out at the sound towards the front of the vehicle. How concern should I be?
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2006 Sonata 2.4 GLS. My car has done 60000 miles and has developed a creaking/knocking (metal on metal clunk) sound at the left rear. it is only noticeable at low speeds when accelerating and decelerating in stop start traffic.
It is not the shock as I have removed the shock and driven the car and the noise is still there, I have also looked at all the bushes and nothing is obvious. I have also checked tightness of all bolts/nuts.
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OK so the car has been slightly drifting left for a while, at least a year, even after alignments. Last fall i had to replace the drivers side front axle just FYI. and then lately i have noticed what sounds like uneven wear, well i had my tires rotated and rebalanced last night the guy said the tires are "wearing beautifully" yet driving home i hear the distinct " hum hum hum hum" that speeds up and slows down respectfully, also i can "feel" it when driving on smooth roads. so now im thinking i need to take it back and have the axle checked out.
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I drive a 2004 Hyundai sonata. Last time i had an oil change they told me there is a small oil leak. I have yet to fix the leak due to lack of funds. I drove to work today and a co worker noticed after i got out of the vehicle that there was white smoke coming from the hood. I have checked my oil and my coolant and both seem to be fine. I have not checked the resivour yet( should i? ) My question is do you think the oil leak is what is causing the white smoke along with a slight burning smell? Or possibly another issue? I am having it check this weekend however until then i wondered what i could do to avoid overheating if you think that may be the cause of the smoke as well?
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I own a 2004 Hyundai Sonata (2004 Base model L4 - 2.4L 2351cc - MFI GAS DOHC) which is a 4 cylinder and has about 113000 miles. Anyways, about a month ago we had one of our coldest days of the year. I drove the car to work and everything was fine. Then when I left work (it was freezing cold) I went to start the car and it sounded like I started a race car. It was so loud that I thought the car was going to blow up (no check engine light came on). I changed the oil and that didn't work and so I figured it was something with the exhaust.
Then I took it to my mechanic (applause). He said that he was stumped, the car was noisy but he didn't think it was a problem but he said he would try to figure it out. He ended up taking off the timing belt and said that was fine, he said the water pump was good as well. He had a service tech look at it with him and they thought the issue might be the "vibration dampener" or "damper" So they replaced that but it didn't work. He said it could possibly be the motor mounts but he said when he looked at them they looked okay?
I drove it off his lot yesterday and it is quiet when I idle but I can see the steering wheel shaking significantly. Then when I hit the gas it is still obnoxiously loud and with heavy vibration! But when going down a hill and letting off the gas there is a brief respite of silence (still vibration). It is especially louder in lower rpms and sometimes I think I can hear a metallic clanking/scraping noise when I have the times of "silence" but it is very faint.
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I have a 2004; 4cyl Sonata, that jerks when I accelerate from a stop light or when I step on the gas, it jerks and sputters while passing another vehicle, then it gains speed?
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