Engine Noise-Valve Clatter?
#1
01-21-2009 | 05:31 PM
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Junior Member
Joined: Jan 2009
Posts: 17
From:
Engine Noise-Valve Clatter?
Dear Forum Members,
Needed your guidance on this small problem which I am having. I got my used 2007 GLS sonata about 2 weeks back and I am enjoying the car thoroughly.
Based on the guidance of the forum, I have changed the engine oil to a synthetic oil, and also got a transmission flush done, also changed the radiator fluid. The car is performing well, but I have 2 issues which will need some clarification.
1. When I am accelerating there is a clatter kind of sound coming from the engine bay between a certain RPM range which is between 2200RPM to 2700RPM, this sound comes only when accelerating and when the car is in motion. If I park the car and increase the RPM to 2200 to 2700 this sound is not coming. This sound is more pronounced when I am travelling upslope and to best describe it the sound is like some ring vibrating in an aluminum can. (I seriously don’t know how to describe it). Do you think this sound is comparable a valve clatter? (I spoke to the dealership Tuttle Click Hyundai Irvine and the service advisor there dismissed my point stating that 2.4 liter Hyundai’s make a lot of engine noise and did not even try to listen to the point I was making.
2. When I travel on an uneven road the right door makes a lot of noise and it feels like the door is loose and vibrating against the body of the car.
3. Do you think the two above points are problems? Also can these be repaired under warranty as I have about 32,000 Miles left on the warranty?
Do let me know your thoughts.
Regards
Veneet Raj
Needed your guidance on this small problem which I am having. I got my used 2007 GLS sonata about 2 weeks back and I am enjoying the car thoroughly.
Based on the guidance of the forum, I have changed the engine oil to a synthetic oil, and also got a transmission flush done, also changed the radiator fluid. The car is performing well, but I have 2 issues which will need some clarification.
1. When I am accelerating there is a clatter kind of sound coming from the engine bay between a certain RPM range which is between 2200RPM to 2700RPM, this sound comes only when accelerating and when the car is in motion. If I park the car and increase the RPM to 2200 to 2700 this sound is not coming. This sound is more pronounced when I am travelling upslope and to best describe it the sound is like some ring vibrating in an aluminum can. (I seriously don’t know how to describe it). Do you think this sound is comparable a valve clatter? (I spoke to the dealership Tuttle Click Hyundai Irvine and the service advisor there dismissed my point stating that 2.4 liter Hyundai’s make a lot of engine noise and did not even try to listen to the point I was making.
2. When I travel on an uneven road the right door makes a lot of noise and it feels like the door is loose and vibrating against the body of the car.
3. Do you think the two above points are problems? Also can these be repaired under warranty as I have about 32,000 Miles left on the warranty?
Do let me know your thoughts.
Regards
Veneet Raj
#2
01-21-2009 | 08:32 PM
Senior Member
Joined: Jan 2008
Posts: 1,288
From: USA-Montana
RE: Engine Noise-Valve Clatter?
1. When I am accelerating there is a clatter kind of sound coming from the engine bay between a certain RPM range which is between 2200RPM to 2700RPM, this sound comes only when accelerating and when the car is in motion. If I park the car and increase the RPM to 2200 to 2700 this sound is not coming. This sound is more pronounced when I am travelling upslope and to best describe it the sound is like some ring vibrating in an aluminum can. (I seriously don’t know how to describe it). Do you think this sound is comparable a valve clatter? (I spoke to the dealership Tuttle Click Hyundai Irvine and the service advisor there dismissed my point stating that 2.4 liter Hyundai’s make a lot of engine noise and did not even try to listen to the point I was making.
2. When I travel on an uneven road the right door makes a lot of noise and it feels like the door is loose and vibrating against the body of the car.
#3
01-21-2009 | 08:57 PM
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Junior Member
Joined: Jan 2009
Posts: 17
From:
RE: Engine Noise-Valve Clatter?
Hello Ken,
Thank you very much for your response.
I will fill up with the highest octane rating and get the door fixed at the dealership.
thank you for your response.
Regards
Veneet
Thank you very much for your response.
I will fill up with the highest octane rating and get the door fixed at the dealership.
thank you for your response.
Regards
Veneet
#5
01-27-2009 | 03:03 AM
Thread Starter
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Junior Member
Joined: Jan 2009
Posts: 17
From:
RE: Engine Noise-Valve Clatter?
Ken99 and rockfella74 excellent diagnosis, I went to a Chevron petrol station and filled the most expensive gasoline with Techron and the engine noise has stopped. Drove more than 40 miles in varied traffic situations to confirm this.
Thanks a million for your help.
Thanks a million for your help.
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