Sonata NF (2006-10) :: 2.4l Engine Tick At Cold Startup
May 19, 2015
I have a 2008 Hyundai Sonata 2.4l with ~235,000kms (~147,000 miles). It has been well maintained and has been a great car. It has been developing an engine tick noise at cold startup and it seems to be very gradually getting worse over time. This noise is most evident immediately after strarup and gradually dimishes over a period of about a minute and varies in terms of how noisy it is and how long it lasts. This nopise is never heard when the engine is warm. From what I have read online, this can be caused mainly by two things:
- use of an aftermarket oil filter
- timing chain tension insufficient
Late last week I changed the oil filter out from the Purolator Classic filter that I have been using for years to a genuine Hyundai oil filter. This did not make any noticeable change in the tick noise so I do not believe that this was a contributing factor.
Over the weekend I removed the valve cover and checked the timing chain tension. It was taught as it should be. I could push it down a bit between the camshafts but it would spring right back up. I also used a videoscope to look down inside the cam tunnel and found no evidence of the timing chain contacting any metal or the oil drip line for the lower timing chain sprocket. Everything appeared to be in order.
When I started the engine to confirm no leaks around the valve cover, I used a mechanic's stethoscope to check for the noise. I was unable to isolate it as the engine tick did not occur at that time. The cause of the tick noise continues to elude me, but I have ruled out the two common causes (oil filter and timing chain tension).
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I have been experiencing a slight issue with my 07 Sonata V6 lately. When I am accelerating, most commonly when already at speed around 80 to 90 km/h, I would hear this 2-3 ticks / clicks when I press lightly or moderately on the accelerator pedal. The car would accelerate fine without any further noises. When I release the pedal, the car slows down a bit, and I press on the pedal again, then the same sound re-appears.
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Need to determine the noise before I took the vehicle in to be serviced. I don't know if I would necessarily describe this as grinding...to me it doesn't sound like metal on metal..but it's not normal.
Only happens on a cold startup, and even then it hasn't been 100% of the time...probably 80% of the time though.
2007 Hyundai Sonata - Startup Noise - YouTube
I found this thread, Grinding Sound On Statup but not sure it's the same issue. This just started. Vehicle has 150K miles on it.
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I have a 2005 Avalon with a 2GR-FEV6 engine with approx. 130,000 miles on it that ticks or chatters for about 2 seconds at startup. The sound is coming from the #2 bank directly below & forward of the oil filler cap (forward most bank, right side). The sound is only present after the car has been sitting for 2-3 hours or more and relatively cool right before startup. There is no other drivability issues such as reduced performance, power or gas mileage. It's not throwing a fault code and the symptoms began within 5000 miles of changing to Royal Purple synthetic oil at 110,000 miles. I don't know if that is a coincidence or the reason for the ticking.
My initial thought was a faulty VVT-i oil control solenoid/valve but I pulled it out, put 12 volts to it and it worked fine. My second thought was a possible clogged VVT oil screen or filter. give me the possible symptoms of what a clogged screen would do? Would it cause the VVT-i actuator to lag just long enough to cause this noise since the oil needs to get through the screen to flow through the oil control valve to affect the operation of the VVT-i actuator and if so what is actually making the noise? It sounds like rocker arms slapping but just in that one spot.
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I have a '06 sonata 3.3 v6. Let me first describe what was happening to the car before the noise started. When I first started the car and put the ac, the first time turning the steering wheel in either direction the steering wheel would tighten up and the battery indicator light would come on and the fasten seatbelt light would flash even though I had the belt fastened. It would only happen the first time I would make a turn and after that I could turn with no problem. So in recap, it would only happen on the first turn and only when the ac was on. Now when I start the car up there is a noise coming form the pulley/belt area. I wouldn't classify it as a squeaking noise more like a grinding. I've looked at the belt and it seems to be fine. After I start to drive the car the noise goes away. If I start the car again after a drive within about 2 hours the noise doesn't happen when I start it. What this noise could be? and also could the noise and the steering wheel tightening when the ac is on be connected?
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My 06 Sonata runs very rough at start up when the car is cold. It appears that it is missing on several cylinders. This last for about 15 seconds and then the car runs fine. What could be causing this problem? No check engine light.
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I have a 2006 Sonata v6 and I'm guessing the starter has gone bad? I figured I had a dead battery, but now I have a brand new one that I even put on the charger for a few hours and I'm still just getting one little "tick" and then nothing when I turn the key. The interior lights come on and everything seems normal until I try and start the car. I just read about cycling through lock and unlock on the keyless entry and this worked! It started 5 times in a row just now.
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I just recently started driving... with a second hand hyundai accent. Whenever i stop at traffic light with engine on, i hear tick tick noise (probs from engine?). it seems to be coming from front of the driver seat. When I start at the beginning, I do not hear any noise and also when i am driving i do not hear any noise or lets say nothing audible like this. Its only when i stop my car and while i am waiting, i hear this tick tick noise(very clear and audible).
Is it engine metallic part making sound when cooling down? When I start my car I see symbol for low oil pressure, batter life, check engine, but as soon the engine starts these symbol disappear which I think is normal behaviour.
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2008 2.4 GLS auto, 64000 miles
Only taken this car on 2 highway road trips. 2 years ago = 34mpg on 900 mile trip (@36000 miles), last week = 31 mpg, EXACT same trip, this time in December, last time in September. Other difference - slightly perceptible tick noticeable if I stand in front of car idling.
Bought July 2009 (almost 24 months old) @ 32000 miles, oil changes every 3000 miles since, tranny fluid at 60000.
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so with the weather turning cooler i have noticed a new noise. i am at 34,000 miles and run synthetic oil ever 4-5k miles.
I hear a rattling/knocking noise when you start engine, not right away, but like after 15 seconds and it lasts about 30 seconds then seems to go away and is quiet again.
Almost sounds like a lifter is tapping due to not getting oil.
I changed the accessory belts a while ago and it did not first make this noise right after but maybe a few days after which coincided going from 80 degree weather down to 40 degree weather.
Could it be an accessory belt being too tight? If so, why wouldn't it make it on startup? I can see it going away as rubber expands as the warms but I would expect it to make the noise from starting till then. Not 15 seconds into running.
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Ok, got a hesitation when the engine is cold, almost feels like a miss. Dealer could not find anything and there are no engine codes. They wanted to replace the plugs with new platinum plugs. I said did you pull any plugs, not that is what the tech said it could be. Could it be the Mass air flow sensor? Or a coil. After a mile or 2 it is fine. I switched to shell premium since dealer told me I had to get a decarbonization from using cheap gas. I used exxon regular and BP regular with a treat of premium every few tanks. But now I am on shell and they said I needed another decarbonization, This is getting rather expensive, I may go back to my local mechanic once the warranty is out. But the hesitation puzzles me.
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My car also had the hard downshift when engine was cold and under 30mph. I seen where Sbr 711 had posted the TSB 10-AT-007-1
I printed this and took to the local dealer & also showed where it was mentioned as a recall.. The advisor looked up on his computer and showed no recalls for the 09 sonata?
I went ahead and scheduled the reprogram update and was told the technician can pull up more info on recalls than the advisor can? Any way they did the reprogram today and $89. later still no recall? How do I prove that in fact this is a recall & get refunded?
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So I brought the Sonata home and she sat in the garage for 5 days as I was traveling. Then when I got back, I was so eager to take her for a drive. At this point she only had 72 miles on the Odometer. When I started her up, I thought the engine sounded rougher and louder than usual. My other car is a Turbo Diesel and that does not make this loud a clatter. After a few minutes of idling and driving, the engine quietened down quite a bit.
Video of the sound at cold start up.
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I started having an issue when the weather changed here on the East this weekend. When I start my car in the morning the engine knocks for about 30 seconds and then stops. I also recently got an oil change at some local mechanic shop and wondered if that might be the issue. I checked the oil and it was stellar this morning but I'm not sure what kind they put in there. I would assume it's the required type.
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Has the engine cover on, hear rattling when they first start up their car? It only last about three seconds, and its only from a cold start normally.
I was told not to worry about the sound because its just the engine cover rattling a bit, but it is rather annoying. It makes quite a racket. Should I just take the cover off?
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Recently, our 2009 Sonata jumps to relatively high and not normal RPM when start cold (and I don't mean winter-cold; I mean first start in the morning). It jumps to around 2500 rpm for 3-4 seconds before it goes down to the normal 1200-1300 or so for a cold start.
Also, not sure if this is the normal Sonata engine sound, but when we push the accelerator it sounds like the engine is knocking, almost like a whistle of fuel flowing.
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My 2009 Sonata 2.4l Sonata has been making a loud knocking noise when it is cold, but it will fade to almost nothing after it warms up. I tried to make a sound clip of the noise, but it was so distorted that I could not even make out the noise on the video.
For some strange reason the noise matches the skipping problem I have been complaining about since the beginning. Yea it's still there. It sounds like it is in the valve system, not the lower end. It leads me to believe it's coming from the valve clearance/ camshaft area.
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My 09 Sonata LTD V6 was sometimes idling erratically (revving and slowing) after starting a cold engine. It never happened in the previous 3 winters I have owned it. I took it to the dealer for service and they said an ECM update was just released, described on the invoice as "TSB 10FL002 FOR COLD START ROUGH IDLE".
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Cold starts only (warm starts completely fine), typically the rpm jumps to 2k or so then slowly climbs down as engine warms up. However recently one in ten start ups the rpm will jump to 2k then immediately drop to 1.5k (sounds like a drop in rev engine) or so. Engine does not shake or stall and still starts fine. Throttle body is cleaned and spark plugs were all replaced. However I cannot remember if this started happening before throttle body was cleaned or if its not related with it at all. Battery is fine too or according to battery charge test. I don't see any loose hose that were taken off while getting to throttle body. I recently tried fuel injector cleaner but didn't make much difference (only 1 application though).
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I just bought a 2006 Sonata LX V6 a few days ago and in almost every way it seems like a great car. My '08 GLS V6 which gave me 150k great miles got totaled in November, which really sucks, but I wanted to find another '06-'08 V6. I noticed when I started it for the test drive that the car made a bit of a grinding noise on start up. I didn't think much of it and figured that the warranty from the dealership would cover any problems.(I probably should've checked earlier, but the dealership's warranty only covers cam and lifter noise and engine failure) After I looked into the issue more, I found out that it is a fairly common problem on the early 3.3's with the timing chain tensioners. I'm pretty concerned based on just the nature of the repairs and the cost I've seen for them.
I'm the third owner so the 5 year/60k warranty is expired, but I know there is a TSB out for the issue. I can't find the TSB anywhere but I've heard to have it repaired the car has to make the noise on start, sit 10 minutes, and make the noise again. If it does, the oil needs to be changed and the test repeated again. Since I'm running Hyundai 5W-20 and an OEM filter already, I tried the test on my own. It made the noise on start, sat 10 minutes, and made it again. It is only for a couple seconds, but it's still concerning to me. I guess what I'm trying to ask is if what I've described is covered under the TSB. I really don't wanna have to worry about something like that right now, so my next question is whether the issue I have is detrimental to the motor. My worst fear would be to have the chain jump a cog on the cam gear and slam valves into pistons.
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Sometimes I'll walk my wife out to the garage in the morning when she is leaving for work. When she starts up her 2006 Dodge Grand Caravan FWD sto n go I hear a clicking noise for about 2 seconds. To me it sounds like the lifters prior to getting the oil delivery. I was wondering if that was going to eventually cause some engine damage and also if there is a problem with the oil pump or something like that. Is this a problem that I should check into or is this normal for this van. We hit a deer several months ago and the whole front end was wasted. I don't remember hearing this clicking sound when the van was newer.
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