Sonata NF (2006-10) :: Loud Knocking Or Clanking Under The Valve Cover And Sluggish Idle

My girlfriends 06 Sonata 4cyl threw a p0011 code a week or so ago. I looked online and saw that it could be dirty oil so I immediately changed it (it was about 400 miles overdue at that point). I also looked on the forums here and was referred to a thread that suggested replacing the oil control valve. My girlfriend drove to work a few times before I fixed it (maybe a 100 miles total) and the car stalled out in the middle of an intersection. I then replaced the OCV and to my discontent the problem was still very present. Very loud knocking or clanking under the valve cover and sluggish idle. Her mechanic now says that it is a job for a hyundai dealership and that it could be something as bad as a head or engine rebuild. What the problem could be?

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Sonata NF (2006-10) :: 2007 - Valve Cover Leak

I have a 07 Sonata and having recurring valve cover leak. First time it happened it leaked onto my alternator and had to get car towed and whole bit. About a year later they discovered it again during routine oil change and had it fixed again. Yesterday during a routine oil change, they discovered a leak again!! I know this is an established problem but how many times can the same problem occur?? I'm passed the warranty (103K).

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Sonata NF (2006-10) :: 2007 - Valve Ping / Blue Smoke Out Of Exhaust At Startup

I have an 07 Sonata V6 Limited with 65K miles. Recently I've noticed at startup, the valves pinging and blue smoke coming from the tail pipes. Settles down after a few seconds and doesn't do it again if you shut it down and re-start. Last time I experienced this was on a Silverado with well over 100K miles. Back then it was valve seals. Could this be possible with 65K? I noticed in the maintenance log that they request having valve clearance inspected at 60K. Could this be causing my condition? I'm the second owner, so the 100K warranty is out of the question.

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Sonata NF (2006-10) :: Changed Battery, Now Check Engine Light On

2009 2.4 Sonata. Replaced the battery. Engine light came on after battery replacement. Engine code P0106 (MAP sensor or vacuum leak). Car drove fine before and after the battery replacement. Engine light after replacing battery?

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Sonata NF (2006-10) :: Calipers Changed Now Rubbing Noise When Braking

I discovered a few weeks ago that my 2009 Sonata 2.4L SE had a sticking caliper on the rear driver's side. It had gone bad on the passenger side as well, but not as bad. I had the calipers, rotors, and pads replaced on the rear yesterday. As soon as that was done, I started hearing a noise when braking that sounded like a rubbing noise, almost like a long "sigh." It happened at any speed as long as I pressed the pedal far enough to bring the vehicle almost to a complete stop.

I originally thought the calipers weren't the right fit, but the parts I confirmed the parts I ordered (Nastra) through Rock Auto were correct. I've driven about 80 miles since then and nothing has changed. I didn't see anything wrong when I took the tire off, but I don't think this sound is normal. Taking it in to the mechanic tomorrow. Could it be a wheel bearing? Wrong parts?

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Sonata NF (2006-10) :: Shifting Rough Intermittently - Changed Fluid

I drive an 06 Sonata with the 2.4L. I have put about 25,000 miles on the car and since then I have changed the tranny fluid 3 times due to it shifting rough. I will change the fluid and it will shift smooth for about 2 or 3 months then it will start to shift roughly again. What I could do or what the problem could be?

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Sonata NF (2006-10) :: Changed Brake Pads And Pedal Hits Floor?

So I took the pads off and saw pistons that push caliper against rotor were to far out to install new pads. (rear pads were still intact, both front pads were out when i pumped) So im pumped the brakes thinking it would reset them and alls it did was push the fronts out more.. I noticed fluid leaked out of the pistons after fully pushing them out.

After seeing that pushing the pedal only pushed them out and didn't reset them, i pryed them in with a C wrench. Was quite difficult but managed to do it. Note I only did this on the front pads..

Rear was just fine, piston went back in easily. I filled brake fluid fully and still does it - Now pedal hits the floor when i first hit it and seems very light when braking.

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Sonata NF (2006-10) :: Ticking Sound At Startup For 1 To 2 Seconds - Filter Changed

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?

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Sonata NF (2006-10) :: PCV Valve Location And Replacement

Changed my oil today and check the air filter. I noticed that there is oil on the air filter, so I'm thinking the PCV valve is bad (car has 136,000 miles). I want to check it but I'm not sure where it's located. Where it's located (pictures would be great) and how involved it is to replace?

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Sonata NF (2006-10) :: Replacing Valve Cover Gasket On 4 Cylinder 2.4L

Changing the valve cover gasket on the 4 cylinder 2.4l. I was going to change mine's. Didn't know if there are any special tips like sealant to be used, loosening bolt sequence or tightening sequence, torque values.

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Sonata NF (2006-10) :: 2009 - Evap Purge Valve Location

Where are the canister and solenoid valve located, above the tank? 2009 Sonata 2.4L ....

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Camry :: 2002 LE - Oil Light And CEL On After Valve Cover Changed

I changed my leaky valve cover gasket today, along with my spark plugs and PCV valve. Now after driving a few minutes my CEL and oil light come on.

the car was/is low on oil from the leak. I was going to change the oil but it has been pouring rain today and it was all I could do to get the valve cover gasket done.

I put two quarts in after the oil light came on, I haven't had a chance to check the level since then.

I don't see oil leaking anywhere on the engine. I cleaned it up pretty well around the valve cover and should see any new oil easily.

How low does it have to be for the oil light to come on?

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Sonata NF (2006-10) :: Got Engine Code P0022 - Oil Control Valve (Bank 2)

Got Engine Code P0022. Listed several things, Cam Position Indicator (replaced it) and CVVT Oil Control Valve Bank 2. Dealer calls them "front" and "rear". Is Bank 2 the rear (Black or gray also).

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Sonata NF (2006-10) :: Tiny Rattling Noise After Changing Spark Plugs / PCV Valve

So, I changed my spark plugs a couple of months ago and did the pcv valve swap as well. Now I have this high pitched rattling noise, like a tiny chain rattling. It is coming from the engine bay - in the area between the throttle body and the firewall. At least that's where I can hear it.

It does it quickly right after I start the engine (though I am certain it is not a timing chain issue)...I had that fixed a while back. Also it doesn't sound like the timing chain tensioner noise.

I am thinking maybe the pcv valve that I swapped out. I remember reading that a new one should make some noise when you shake it...an old, gunked one would not rattle if you shook it in your hands. Consequently, this noise sounds a lot like if I would shake the pvc valve back and forth very fast.

It happens intermittently on idle....and when I rev the engine, it will also make the noise while the RPM falls back down. Since this happened literally right after I did the spark plug change and the pcv valve, my guess is it's that. Maybe I didn't install it correctly.

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Sonata NF (2006-10) :: Valve Cover Gasket Leak But Minor As Dirt Stick To It

I'm suspecting a small valve cover gasket leak. I've noticed dirt starting to accumulate near the alternator side of the front valve cover, there is dirt on there stuck to oil, I don't see any wet oil but its so minor the dirt just sticks to it. 107k miles here. Seems to be a common problem. I think Downhiller had a large oil leak, source unknown around his crank pulley area. You wouldn't think a car this young would leak oil. It's not bad, I havn't had to top any off I just like a mildly clean engine.

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Elantra XD (2001-06) :: P0441 Code Flow Fault - Changed Purge Valve

I have a 06 Elantra having a problem with a p0441 code flow fault I changed purge valve and canister purge valve I don't know what else to do what else can I do to get it to go away permanent so I can get car inspected no codes for my car can be on but only 1 i/m

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Elantra HD (2006-10) :: 2007 Canister Purge Valve Replacement

I recently got a check engine light. I went and got it checked, the person said its the canister purge valve that needs to be replaced. Where it is located and the difficulty replacing it. The part is cheap and I want to replace it this weekend. 2007 elantra

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Sonata NF (2006-10) :: 2009 - Loud Pop While Driving

We have a 2009 Sonata with barely 50k miles - always garaged. It has been a great car but recently has come up with a couple of quirks.

I was driving last week and heard a loud "pop" behind me. Really loud..... I pulled over and found that the left rear window was missing!

I took the car to a local auto glass place and they found the missing window down in the door, I really though that it had fallen out and actually went back to the spot on the road where the noise happened and looked for it.

Anyway, the glass shop lifted the window back in place but had little interest in making the power part work again.

Now, I have had power windows fail on other cars before but they always got stuck, I have never had one "disappear". Would this be a safety issue that Hyundai might cover?

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Sonata NF (2006-10) :: Loud Transmission Whining Sound

Ever since I bought my 06 LX in November last year, it's either the transmission or possibly the engine that makes a whining sound. It's a very noticeable sound, every passenger I have mentions the sound. It starts as soon as I step on the gas.

I'm finally getting annoyed with the sound, and I'm wondering what I could possibly do. It's just out of warranty, 71000. I'll try to have a video recording of the sound by tomorrow.

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