2004 Hyundai XG350 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Hyundai XG350

2004 Hyundai XG350 Problems

Rough Idle Due to Faulty EGR Switching Valve

A defective exhaust gas recirculation (EGR) switching valve may cause an intermittent rough or unstable idle engine.

Confirm Latest Software For Transmission Control Module and Correct Fuild For Proper Shift Quailty

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.

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2004 Hyundai XG350 Questions

Why would the key get stuck in the ignition switch? How do we get it out? (1 answer)

It just happened tonight!

My 4 windows won't go up or down they stay stuck and it's not a fuse what else? (1 answer)

We changed the fuse twice, and it's all just the 4 windows doesn't even make a clicking noise, my sun roof workday fine it's just all my windows? Any one know what it might be ?

Is it common for brake lines to rust out in this model, car has been garaged and (1 answer)

frequently washed for salt. has about 62000 miles. Thanks

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2004 Hyundai XG350 Recalls

Recall 09V124000
HYUNDAI IS RECALLING 188,282 MY 2001-2004 SONATA AND MY 2001-2004 XG300 AND XG350 VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK...

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2004 Hyundai XG350 Reviews

My dashboard top facing the front windshiled strted to spilit on driver side because of the Sun. I can still push it down and it stays for a day or two, Is there cheaper way to fix it?
I like this car. The only issue I have with it is that it makes a "rattle / vibration" sound when first started, especially when backing up in cold weather. This goes away after a few minutes of driving. I've seen other drivers on online forums with the same problem. So far no one has an answer for what this is - including Hyundai. Otherwise it's a great car for the price.
I bought the 2005 XG350 off the show room floor and I haven't put a dime in it except for oil changes. The only thing is the motor sounds like a diesel.

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