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Hyundai Sonata Care and Maintenance

337 messages,  Last post on Aug 22, 2009 at 8:36 AM

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What is this discussion about? Hyundai Sonata, Sedan


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#278 of 337
Air Conditioning Trouble by mkv1
Aug 20, 2007 (6:14 pm)
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Hey all, I searched this thread for AC and all I got was a few posts about how great the AC is in the 06 and 07 sonatas. Let me say that for the last two years I would have agreed until it was 104 degrees and mine stopped working!
It all started when I took my car in for a 30k checkup (at almost 40k miles) I was getting bad readings from my ambient temp gauge so I asked them to take a look. They said they fixed it and I left happy. About a week later I started having trouble with the AC. Basically it would blow cold for a minute, then warm for 10 then blow cold for 3 then hot for 5 and cold for 20! It seemed so random. So then I took the car back and told them what I just told you. They looked at it all day and then told me they couldn't find anything wrong. I picked up the car and it seemed to be find again. Sure enough a week later I am getting the same problem. Does anyone have any suggestions or related experience?? Any advice would help and no suggestion is too simple, I am a complete car novice. Of course I am taking it back but thought I might come with some suggestions if they tell me there is nothing wrong again.
Thanks
 
Thanks!
#279 of 337
Re: Air Conditioning Trouble [mkv1] by backy
Aug 20, 2007 (6:53 pm)
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Replying to: mkv1 (Aug 20, 2007 6:14 pm)

Just a thought... someone on the Civic discussion said his Civic would blow hot whenever the engine was idling. His dealer said nothing was wrong. Someone else with the same symptoms said it was low refrigerant, and when that was fixed the problem was solved. Of course, if it is low refrigerant on such a new car then it could be due to a leak in the system.
#280 of 337
Re: Trouble Codes HELP! [thedgs] by thedgs
Aug 21, 2007 (3:01 pm)
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Replying to: thedgs (Jul 03, 2007 12:42 pm)

It appears we finally have this solved with some reprogramming/adjustment. Apparently Sonota will issue a Technical Service Bulletin on this issue in Sept. '07
#281 of 337
Re: Air Conditioning Trouble [backy] by mkv1
Aug 21, 2007 (4:27 pm)
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Replying to: backy (Aug 20, 2007 6:53 pm)

Thanks for the reply. I don't think its entirely related to idling although may be a similar problem. I am sure that they would have checked refrigerant levels at the dealership right? although they did say they "couldn't get it to act up" so maybe they never checked anything assuming all was well. I will go check the refrigerant. actually kind of embarrassed that I didn't think of that myself already. THAANKS!
#282 of 337
Anyone Try a K&N Air Filter in the 3.3L V6? by tomk17
Aug 21, 2007 (5:22 pm)
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I just bought a 2006 Sonata LX with the 3.3L V6. I plan to have it for 80-100K miles more. I typically run the K&N reusable (cleanable) air filters in my cars that I plan to keep for a while- saves $ in the long run. With the Sonata I'm thinking it may help the gas mileage a bit as well. I often hear mileage claims all over the map ranging from real bad to good. I know driving styles play into it significantly.
 
Anyone using the K&N filter??
#283 of 337
goodbye head gasket...air conditioning too? by tsharris
Oct 10, 2007 (10:48 am)
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My husband found himself on the PA Turnpike with his 2006 Sonata 4c engine smoking. New head gasket and engine block (the rod shot right through the old one) completed under warranty. One week later, the ac is gone -- motor works fine, but there is no cooling. Could these be related?
Thanks!
#284 of 337
Uh... is 3005miles an issue? by effect18
Oct 10, 2007 (3:12 pm)
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I know i have to have my car serviced after the first 3000 miles, and I know that if I fail to do so that I may be voiding my warranty, but I was wondering if I go past the 3000mi mark by a few miles will they have the right to hold that against me and say I didnt make timely adequate maintnance? I dont want a couple miles to come back to haunt me.
#285 of 337
Re: Uh... is 3005miles an issue? [effect18] by backy
Oct 10, 2007 (3:18 pm)
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Replying to: effect18 (Oct 10, 2007 3:12 pm)

No, that is not a problem.
#286 of 337
Re: Anyone Try a K&N Air Filter in the 3.3L V6? [tomk17] by macakava
Oct 10, 2007 (5:52 pm)
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Replying to: tomk17 (Aug 21, 2007 5:22 pm)

I am not using K & N, just the regular filters.
 
But to keep my cars over 10 years, I change my oil and filter every 4 months or 3K miles, whichever comes first. It is cheap insurance and easy to do. In fact I did the first oil change on my 4 month old Sonata Limited V6 over the weekend. Fram filter kit cost about $7.50 at Walmart and crankcase hold about 5.5 qts oil. I buy my oil(Castrol GTX, Pennzoil, etc) on sale for under $1 per qt at stores like Pep Boys with rebates. So my total oil change is about $13 with brand name parts.
#287 of 337
Re: Anyone Try a K&N Air Filter in the 3.3L V6? [macakava] by tomk17
Oct 16, 2007 (6:00 am)
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Replying to: macakava (Oct 10, 2007 5:52 pm)

I did in fact get the K&N filter and installed it a few weeks ago. $35 and free shipping. After 3 "changes" it's paid for and you can always keep it clean. I'm fantizing that mileage will improve but have not seen it. Still get an average of 26 MPG in mixed driving. PS I'm doing the synthetic oil thing as well. Using factory oil filter and running the oil 10K.

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