Question about 2004 Kia Optima

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BRAKE PROBLEM iI HAVE A KIA OPTIMA 2004 HAVE HAD IT 3 YEARS NEVER ANY PROBLEM WELL I NOTICE THE BRAKES ARE NOT AS TIGHT AS THEY HAVE BEEN YOU SEEM LIKE YOU 'RE PUSHING THEM FURTHER TO THE FLOOR THERS NO SQUEAKING NO GRINDING NOTHING THAT SAYS ANY THING IS WRONG.

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When was the last time you had brake work done? The most common answers would be you need new brake pads or you need to have the brake system flushed and filled. If these two things have been done recently, you may consider replacing the rotors. It is unlikely that the back brakes are the issue since you do most of your braking with the fronts. Out of curiosity, is the emergency brake light permanently lit on your dash?

Posted on Jan 02, 2009

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2005 kia optima abs& brake light ON


Try the master cylinder if that's not it try the brake booster, but first bleed all the brake lines starting with the driver rear then move forward if no pedal then proceed to master and booster

Jan 04, 2014 | 2005 Kia Optima

1 Answer

Power Steering


You steering rack is worn & tight, because you don't change your
power steering fluid every 3 years,your transmission will be next.

Brake fluid every 2 years
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Jun 06, 2012 | 2008 Kia Optima

1 Answer

I was on the way to get my breaks replaced and had a flat so i went to get tire replaced i applied & released the e-brake & once i got ready to back out it didnt want to back up & barely goes...


reach under back of car and wiggle or pull on the emergency cables at the wheels. they may have stuck when applying e-brake. good-day !!

Jun 28, 2011 | 2004 Kia Optima

1 Answer

I have a 2004 v6 2.7 kia optima the engen light just came on i check oil and coolet, brake fluid what else might be worng


You have to use a scan tool (OBD II reader), to find out what trouble code the computer in the car tells you, you can get this tool an any autoparts or have you car scan there or with a mechanic.

Oct 08, 2010 | 2004 Kia Optima

1 Answer

Brake light not working on Kia 2005 Optima tali lights work, bulbs replaced brake light switch replaced but still no brake lights


Check the space gap between the brake lever to the brake switch.

Also check the connector to the brake switch.

You have to look under the dash carefully.

These is not too much room under there.

Just ran you hand along the brake paddle.

Press the brake switch by hand and see is brake light go on.

Check all connectors for corrosion.


Apr 24, 2010 | 2004 Kia Optima

2 Answers

2004 kia optima,break lights stay on,taillights will not come on,bulbs are ok


It sounds as if your brake light switch is bad, or, your brake pedal return spring isn't pulling the pedal back towards the seat.

First, just pull up on the brake pedal, opposite direction of when you are applying them & see if the lights go off. If yes, you'll need a new return spring. If not, then usually the switch mounted up above the pedal is defective & needs to be replaced.

I believe once that is corrected, the lights should work properly if your parking lights are working, as they both use the same circuit. If not, you'll have to do some testing of those wires & backtrack to the light switch.

The Brake light switch also can have the cruise control switch & other controls associated with it but not always, depending on the specific Model & Year & other options so testing it could require a wiring diagram, I've included a link that will give you the wiring colors for the brake light switch itself. Testing the wiring is the only way to determine any other condition that would be causing that to happen.

Here's the link for the wiring:
http://www.commandocaralarms.com/wiring/2003-2005/Kia/Optima/893.html

It shows the brake switch wires as GREEN.
Good Luck.

Feb 08, 2010 | 2004 Kia Optima

3 Answers

2004 Kia Optima EX...Brake lights suddenly don't work. Fuses are all ok...bulbs are all ok...and the switch box that's under the steering wheel is also in working order. Where else can I check for the...


You can check to make sure that the taillights have a good ground. If at all possible try using a test light or multimeter at the light. Have someone step on the brake and see if you have positive voltage to the light. If you do then it could be a faulty ground. If you don't move closer to the brake switch or even test the brake switch.

Nov 06, 2009 | 2004 Kia Optima

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