timing chain tensioner replacement
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robin s

Columbus, OH

#21 Sep 28, 2010
i have a 06 sonata and i recently had my oil changed and they did not put the filter in correctly. three days later i have a terrible rattle coming from my engine and then my oil light came on. i checked the oil and could not get a reading on the stick. had to put 3 qts of oil in and went back to the shop and while pulling in the rattle noise was back. they drained the oil and replaced the oil and said i had a pinch in the o ring of the filter. after three start ups the noise went away, however now not only on a cold start but if the car sits more than 30 minutes i have the rattle. the shop is telling me this is not related to the lack of oil and refuse to pay for the damage to my car. hyundai tells me it is the timing chain tensioner and quoted me $1900 dollars to fix. how could this not be related?
Eddie

Rochester, MN

#22 Nov 4, 2010
My 2006 sonata mileage was 92,000. I called the dealer of the rattling noise during cold start-up.
They have me turn my car in the late afternoon so they can check the next morning. Yep!, it's the tensioner that needs to be replaced. Since it is under 100,000, there is no charge plus a free loner car. It took them 6-7 hours of labor to get the job done.
The noise I've heard was very brief, like 2-3 seconds only, then a steady very mild noise that sounds like a shifting gear of a bicycle for 1-2 minutes or until it reach the operating temp.

Noisy, go to another Hyundai dealer (make a call) until you find one that will be willing to check you car. I have to call 3 dealers to get it checked. Good Luck!
John

Dallas, NC

#23 Jan 31, 2011
Don't count on your Hyundai dealer to make things right. I brought my 2007 Hyundai Azera 3.8 in for a cold start rattling noise that has been present since I've owned the car. After the service manager denied hearing anything, I had a chat with the mechanic. The mechanic admitted thet he'd heard 'something', and agreed to recommend a chain tensioner. Well, they did the job (it took a week), and the noise is still there. Then Carl, the service manager AT Keith Hawthorne Hyundai of Gastonia, NC actually had the NERVE to call me at home; crying to me that I'd given them a 'poor grade' on their 'satisfaction report card', and that I'd cost the dealership $500.00. Sorry, Carl - do the job RIGHT next time!.
Gazza

Hunters Hill, Australia

#24 May 8, 2011
mechanic wrote:
<quoted text>
Noise only no other complications. At times it may seem louder as the tension is a tooth/hydraulic adjuster. Sometimes it will be close to reaching the next tooth adjustment to take up the chain slack caused by wear to the chain and chain guides but it will lessen after it reaches the next tooth in the tensioner.
No other complications hey! what about when it jumps a few cogs
because of the slack timing chain like mine did. Bent valves is NOT nothing to worry about. some mechanic.
Kat27

United States

#25 Aug 8, 2011
Okay, have mine in for same issue it sounds like. Paying labor only(so they say)after I asked about the warranty. It wasn't offered, so please ask! Will see how that goes. It's the first thing to go wrong & I hope it's the last. One question, if you get your oil changed as directed (every 3,000 miles)how could this cause an issue with your timing tensions? And when the noise is described here as 'rattling', would you call this similar or the same as a 'ticking'? Any advice or thoughts are appreciated!
Frustrated LuLu

Murrieta, CA

#26 Oct 20, 2012
DO NOT BUY A HYUNDAI! We just found out from our mechanic that not only does our timing chain needs to be replaced, but the whole engine is ruined and we need a new one. We have a 2006 Sonata that has been nothing but trouble since we've owned it! It has 103,000 miles on it. Our whole electrical system is screwed up; i.e., the door locks hardly work, electric windows not working, and passenger airbag light malfunctioning, which means the airbag doesn't work at all...BIG SAFETY ISSUE! Screws and hinges are falling off inside the car. And now we have to replace the whole engine after only 6 years...this is a piece of crap. Poor workmanship and terrible service at the dealer. We will NEVER buy another Hyundai!!
08 Sonata

Mendocino, CA

#27 Jan 8, 2013
Every morning with temperatures under 50 degrees, the 08 Sonata makes this garbage disposal sound at start up and then it eventually goes away over the course of 10 miles or so. I've been driving this car for some time now and, other than the embarrassment that comes with this deafening, metal grinding, screeching noise, it drives like new. I'll let you know when the chain snaps.
Hyundai Is Garbage

La Crosse, IN

#28 Jan 5, 2014
Rusty wrote:
Do the '07s have the tensioner problem?
I just bought a beautiful "Deep Water Blue" SE V6 with the power package today. It drives and runs great, I hope it turns out to be a good reliable grocery getter and vacation car.
Yes, the 2007 has the same DEFECTIVE tensioners. I believe they started to correct their LEMON design in 2008. I devoted a considerable amount of time and effort researching this issue when our garbage Sonata developed the noise with 28,000 miles in 2013. That effort revealed HYUNDAI is not a company that deserves respect or patronage, since they never reacted to this known defect like a reputable company would have. I found it quite ironic their corporate motto is "customer delight". ha ha ha

Hyundai clowns redesigned the tensioner (an admission of their incompetence) but continually implemented policies to deter warranty repairs, such as changing the criteria necessary to warrant replacing their defective garbage. That last TSB (tech service bulletin) instructed dealers not to replace the tensioners unless the timing chain rattled for an incredible 90 seconds at start up !!

I won't sit in another Hyundai if for any price. Once again Hyundai proves they are the bottom of the barrel.......despite supposedly attempting to change their image. I would trust my mint condition 1996 Escort for a cross country trip before taking this lousy Sonata.
Hyundai Is Garbage

La Crosse, IN

#29 Jan 5, 2014
John wrote:
Don't count on your Hyundai dealer to make things right. I brought my 2007 Hyundai Azera 3.8 in for a cold start rattling noise that has been present since I've owned the car. After the service manager denied hearing anything, I had a chat with the mechanic. The mechanic admitted thet he'd heard 'something', and agreed to recommend a chain tensioner. Well, they did the job (it took a week), and the noise is still there. Then Carl, the service manager AT Keith Hawthorne Hyundai of Gastonia, NC actually had the NERVE to call me at home; crying to me that I'd given them a 'poor grade' on their 'satisfaction report card', and that I'd cost the dealership $500.00. Sorry, Carl - do the job RIGHT next time!.
DId they replace the tensioners AND the guides? You didn't mention mileage at the time fo the repair so maybe tensioners, guides and chain should have been replaced. I had a bozo service manager tell me it could still rattle after the repair, which I found hard to believe, so I did decided not to proceed with the out of warranty (second owner dillemma) for $1,000.

You were lucky to get the work done under warranty. That is what the guy meant when referring to the $500 loss. Keep in mind Hyundai corporate is the primary reason dealers back off from performing the repair since warranty repair (should) come from corporate piggy bank, but they began to lessen warranty repair compensation to any dealer who performed this repair, thus the $500 loss mentioned -- but of course they could have been inflating their out of pocket loss.

Never risk purchasing another Hyundai product. I certainly won't.
Hyundai Is Garbage

La Crosse, IN

#30 Jan 5, 2014
Noisy wrote:
I have an 06 Sonata that I have taken to the dealership for the same noise. The dealership said it is the tensioner but that it does "not effect the performance of the car"... I bought it brand new and it did not make the noise when I bought it. I have called the corporate office and they have decided that it will not be covered under the warranty due to it "not effecting the performance of the car". I am wondering how great my 100.000 mile warranty really is!
USELESS ..........just like the clowns running HYUNDAI GARBAGE corproation. Now you realize never to get involved with these scam artists again. Imagine my surprise (not really) when we made the mistake of getting a 1 year old Sonata and I noticed the cheap side view mirrors were not spring loaded. My 1995 econobox Escort has spring loaded mirrors.......and the Ford engine is much more reliable than Hyundai krapp. Consumer Reports correctly gave 2006 Hyundai 6 cylinder design the THUMBS DOWN.

This will be my first and last Hyundai.
Hyundai Is Garbage

La Crosse, IN

#31 Jan 5, 2014
08 Sonata wrote:
Every morning with temperatures under 50 degrees, the 08 Sonata makes this garbage disposal sound at start up and then it eventually goes away over the course of 10 miles or so. I've been driving this car for some time now and, other than the embarrassment that comes with this deafening, metal grinding, screeching noise, it drives like new. I'll let you know when the chain snaps.
According to the Hyundai "experts" you will get a check engine light first. Yes, it is very embarassing to have a supposedly quality vehicle that sounds like that car driven by the Beverly Hillbillies or Fred Flintstone. Make certain to install an OEM filter. It has a better anti-drain feature than after some market filters. It stopped my rattling for a few weeks but the noise is back now. I intend to dump this chunk of junk in the near future. It started making the noise with 28,000 miles. And remember........never buy an another Hyundai product again. They should have owned up to their defective tensioner design and recalled their garbage product. They redesigned the timing chain tensioners in 2008.
big cris

Winston Salem, NC

#32 Jun 24, 2014
RICHARD wrote:
DOES THE 2008 HONDAI SONATAs HAVE THE TENSIONER PROBLEM??
yes they have a major problem on 2.4
Lexlovecars

United States

#33 Feb 12, 2015
big cris wrote:
<quoted text> yes they have a major problem on 2.4
So there's no way sonatas can be fixed with this prob

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