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Hyundai Sonata Start Up Noise

22 messages,  Last post on Nov 03, 2008 at 12:43 PM

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What is this discussion about? Hyundai Sonata, Engine, Sedan

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#3 of 22 Re: same goes with 2009 sonata limited V6 [krishnakonline] by m6user Aug 28, 2008 (3:43 pm)
Replying to: krishnakonline (Aug 28, 2008 1:55 pm) You don't have to post your problem on several different threads. People read most of the new posts on these threads and they will see it. Gets boring reading the same problem on all the different threads. Thanks.
#4 of 22 Re: same goes with 2009 sonata limited V6 [krishnakonline] by pat HOST Aug 28, 2008 (5:09 pm)
Replying to: krishnakonline (Aug 28, 2008 1:55 pm) Let's continue this conversation here where you have gotten a reply: krishnakonline, "2009 Hyundai Sonata" #575, 28 Aug 2008 3:05 pm.
#5 of 22 Re: Start up noise [drgnass] by kimweigel Aug 31, 2008 (6:42 am)
Replying to: drgnass (Aug 26, 2008 10:28 pm) Your startup noise is the timing chain tensioner. It is a small spring-loaded gear that keeps tension on your timing chain. There is a technical service bulletin out on these from Hyundai. The dealer will replace this part for free. They do, however, have to take the engine out of the car, so you need to be prepared to leave it with them for a day or two.      I know all this because I also bought a used 06 Sonata, and had the same problem. It sounds much worse than it is, and didn't always happen. If people were around my car, I could count on the horrible start-up noise. When I took it to the dealership to show them, it was, of course, quiet as a mouse. After several trips to the dealer, I finally left it with them overnight so they could hear it start up cold in the morning. Evidently that did the trick, because they ordered the part that day.      Look for timing chain cam tensioner in the Hyundai forum, and you will find the TSB for it, If you print it and take it to the dealer, they can't claim ignorance. Replies to this message: drgnass (Aug 31, 2008 8:18 am) kimweigel (Sep 04, 2008 6:03 am) drgnass (Sep 04, 2008 7:18 am) targettuning (Sep 04, 2008 7:35 am) bobisnext (Sep 11, 2008 12:16 pm)
#6 of 22 Re: Start up noise [kimweigel] by drgnass Aug 31, 2008 (8:18 am)
Replying to: kimweigel (Aug 31, 2008 6:42 am) I did in fact take it to the selling dealership on 07/15/08 and I started the car in front of the service advisor to let him here it for himself. It did make the noise for him. After they looked at it, he called me and told me that an oil change would take care of the noise. I agreed to the oil change since it was due for one anyway. When I returned to get the car, I started it up not knowing the car was just shut down before I started it up ( It makes this noise everytime it sits 10 minutes or longer). I did not hear anything. This is what the invoice said after I paid for the oil change, "Customer states there is a clicking noise when starting after sitting for a little bit. Check advise confirmed noise coming from timing chain area. Performed TSB 08-ECM-001-1 inspection. Ran 10 minutes sat 10 minutes on start up grinding noise for 3-4 seconds normal." What I don't understand is the part where they say that grinding noise for 3-4 seconds is normal? The service advisor told me that all the 2005 - 2008 do this. How can any of these cars/engines pass the production line. And if something like this is normal, why is it that the dealership does not disclose this to the buyer? Another thing is that when the service manager said if this happens again, he will call out the Regional Inspector to look at it. This tells me that only a service tech/mechanic looked at it. We took the car in to another dealership to look at it and that service advisor told us he had another sonata in there because someone else was having the same issue and that the Regional inspector for Northern California would be there to look at it the next day so we left the car with them to be looked at as well. After picking up the car the next day, the service advisor said that the inspector heard the noise then after sitting 10 minutes there was no noise. They are also saying it is a "Characteristic noise". The service advisor then told us to the side that we need to take the car back to the selling dealer and have them do something about this soon. Oh, we also were told that the Regional inspector said that he has checked our car about this once before. What I am getting from this is that he must have look at our car before we purchased it. He did not look at it when we took it in for the first time. Note we did purchase it used. Another thing is that the second service advisor told us in quiet is that we need to take the car back to the selling dealership and have them do something about it right away. Why is he saying that but not the Regional inspector? Interesting!!! Seems like these sonatas are 's. Don't get me wrong, we love our car but geez. Replies to this message: kimweigel (Sep 04, 2008 6:03 am) drgnass (Sep 04, 2008 7:18 am) targettuning (Sep 04, 2008 7:35 am) bobisnext (Sep 11, 2008 12:16 pm)
#7 of 22 Re: Start up noise [drgnass] by kimweigel Sep 04, 2008 (6:03 am)
Replying to: drgnass (Aug 31, 2008 8:18 am) Vehicle: 2006 Hyundai Sonata Summary: 3.3L & 3.8L TIMING CHAIN TENSIONER - PART UPDATE. ( NHTSA ITEM NUMBER - 10021137 ) Replies to this message: drgnass (Sep 04, 2008 7:18 am)
#8 of 22 Re: Start up noise [kimweigel] by drgnass Sep 04, 2008 (7:18 am)
Replying to: kimweigel (Sep 04, 2008 6:03 am) I take it this is the part number for the tensioner. Thank you very much! Not only will I walk in with the TSB but this part number as well. Nothing like going in with all the info needed. Have a great day.
#9 of 22 Re: Start up noise [drgnass] by targettuning Sep 04, 2008 (7:35 am)
Replying to: drgnass (Aug 31, 2008 8:18 am) To answer your rather harsh blanket statement that "(it) seems like these Sonatas are (emotorcon depicting a lemon)." The fact of the matter is some 2006 Sonata V-6's (as others here have correctly stated) do have a timing chain tensioner noise. It is not potentially destructive to the engine and already has been addressed by a service bulletin. It is not characteristic to all or even a majority of the 3.3 V-6 engines but affected a small portion of the 2006 model year. It is most definately NOT normal and I have found the 3.3 V-6 to be one of the quietest engines around. I do not know why the TSB addressing the timing chain tensioner was not applied to your car (it seems it wasn't from the account) but if it were applied that would, most likely fix your problem.
#10 of 22 Re: Start up noise [drgnass] by bobisnext Sep 11, 2008 (12:16 pm)
Replying to: drgnass (Aug 31, 2008 8:18 am) I purchased a 2006 Sonata V6 in Aug of 2007. with 20.8K on it. Heard the same rattling noise on a cold start up right after i bought it. (It only occurs for a few seconds). took it to the dealer, told me it was timing chain tensioners and replaced them under warranty. even gave me a free loner for the 3 days it took to fixit.   i would go to another dealer.
#11 of 22 Start up noise by drgnass Sep 15, 2008 (7:25 pm)
I have a question for you. What did you have to go through before the dealership repaired your timing chain tensioner? Today we played phone tag until we decided to take the car in and talk to the face to face. It turns out that the Hyundai Rep will be there tomorrow to look at the car for a second time in the past month. The dealership is telling us that it is not up to the dealership to repair it but the Hyundai Co. to make the call on doing the repair. This is our third time trying to get this issue resolved and we are finding out that the next step would be to contact the Consumer mgr. then the BBB. Did you have to jump through all these ropes like this as well? Replies to this message: lightfootfl (Sep 17, 2008 6:35 am)
#12 of 22 Re: Start up noise [drgnass] by lightfootfl Sep 17, 2008 (6:35 am)
Replying to: drgnass (Sep 15, 2008 7:25 pm) I am not positive, but pretty sure there is a TSB regarding this problem, so there should not be any questions about it. Obviously there are dealers that don't keep up with such things.   van

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