Hyundai Sonata Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Hyundai Sonata

Prior to replacing the automatic transmission fluid (to improve shift quality), make sure that the transmission fluid level is correct. Also, make sure the computer that controls the transmission has the most up-to-date adaptive programming information. When servicing these transmissions be sure to use fluid approved by Hyundai.

On the 2.7L V6 and 2.4L 4 Cylinder, a defective exhaust gas recirculation (EGR) switching valve may cause an intermittent rough or unstable idle engine.

    Parking lights not turning off intermittently or all the time. The common problem is with the cabin fuse box.  Complete replacement of the assembly is necessary to fix the problem.

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it is ongoing all the time on acceleration attempts, drives like a slug, even worse attempting any hill climb having to drop back a gear to even just make hilltop.
I have had a air flow meter and purge valve replaced after a diagnostic with no cure, I have put new spark plugs in also.
It ma...

The belt was riding half off the serpentine before I replaced the belt tensioner . Now I replaced the serpentine,tensioner and Idler pullyy and the belt is riding on the outside half of the tensioner pully, tried to reposition it but it goes back to having half the belt on it. All the grooves on ...

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The passenger front seat belt buckle may fail to latch properly. Dealers will repair or replace the passenger front seat belt buckle free of charge to resolve the concern.

208 vehicles are being recalled because the may have been assembled with an incorrect left drive axle. This could result in separation of the left axle from the transaxle differential. If this were to occur the vehicle would stop moving, increasing the risk of a crash. Additionally, the vehicle could roll unexpectedly while parked. Dealers will inspect the left drive axle and replace it as necessary.

Brake fluid may leak from the fuel lines between the master cylinder and the hydraulic electronic control unit. Dealers will replace the lines with revised parts free of charge to resolve the problem.

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I have a 2010 hundai sonata two years in and there is a dilemma with my starter.

I was driving my 2000 Hyundai Sonata GLS and the brake and battery lights came on. They started out flashing then stayed on. When in park I revved the engine and the lights would go out then come back on. Later on in the evening I drove it again. The lights did'nt come on at first but then on again. So I stomped on the pedal to go and then it acted like my transmission was in neutral. the check...

I own a 2005 6cyl Sonata. Purchased it with 15k miles. Have taken outstanding care of it thru out the years. Has been a wonderful car; however, it lately has been making a ticking/tapping noise on a cold start, and goes away once it's warm. My mechanic diagnosed it by ear only...says it's engine bearings and will probably need a new engine soon :(((( I need an expert to tell me otherwise. Does ...

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