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2003 Hyundai Elantra Questions

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Hi, I have a squealing noise from one of my belts when I start the car and when it is cold out (it seems). **The belts are almost new, replaced August 2017. *It is NOT the Timing Belt, new too. Any ideas, lube or quick fix???

A friend, who is a former mechanic drove with me yesterday and said to: "Use soap and lube the belt"??
2003 Hyundai Eantra. When I turn it creaks because power steering pump stop working i think for the pressure therefore the belt makes the creaking. I already changed power steering pump and rack and pinion.
Last autumn, my neigtbor have put kind of grease, vaseline like, to my battery poles and attaches, saying that it would prevent corrosion (scude my english, I'm fench). Now, when I charge my battery (9.02 VDC) for 15 minutes, it start but do not hold its charge? Is this grease did not made a proper contact and whith time have deplete the power of my battery?
Thanks for answering me.
I have a 2003 Hyundai Elantra it is having a charging problem. The battery is good and I replaced the alternator but it is still doing the same thing. Losing charge and not give me lights for night driving.
My check engine light came on and the guy at autozone said that was the problem.
What seems to make the problem better or worse? Just started
How long have you had this problem? Today
Tuesday, July 25th, 2017: Today took the 2003 Hyundai Elantra Gt for a ride, the fuse didn't blow, FUSE is intact and perfect. But... the engine light is still on.
New Oxygen Sensor 7/25/2017. Recent new Catalytic Converter also, 3/01/2016.

1) I was also told, 7/25/2017, maybe to take the car on the highway and get the heater wire to get to temperature and the engine light will go out. And or the computer will accept it.....?
2) Get my mechanic friend to turn the engine code off and wait and see if it goes back on. If so change the Oxygen Sensor....?

Recent changes.
1) Replaced original Oxygen sensor 2 days ago, 7/23/2017, and the fuse blew. Replaced fuse.
1A) Recently. 1 month ago, 6/2017, passed emissions test, got tags!!
2) There is a new catalytic converter, replaced 15 months ago.
3) I was told by a certified mechanic after an inspection, that the catalytic converter was turning blue......he said maybe try changing the oxygen sensor for starters. so i did and recently. Rest of inspection was great and no other concerns.

**I need the car for work reasons and until I find another, but if if my problem is fixed, then I'm good.......
**I'm looking for the RepairPal experienced mechanics for quick answers or approvals and ideas.

Thank you ALL!!!
2003 Hyundai Elantra GT 5 door: I had replaced the original Oxygen sensor cable with a NTK brand ($29.00) Oxygen sensor and the [Engine light] went on after the first road test.
1) Do I wait for the engine light to go off after the computer accepts it -or-
2) Buy an OEM or very higher priced Oxygen Sensor?

**I heard the Oxyegn sensor is going to set the engine light on even if it is a Bosch, or good brand.....?
**it took alot of work and BPBlaster to get the rusted heated heat cover off screw/bolts.

Car runs really well, I don't want to place alot more time & money into it and may keep it another 2 years.
I got a tune up and oil change a few months ago cause my check engine light was on. Codes: P0455 and P0563. Car worked fine, then on my way home a few nights later my headlights and radio went out. Car still worked fine but two weeks later, I lost power on my way to work and my car suddenly died on a side street. The lights in the dash dimmed but the car would not start. Help!!!. What parts do I need so I can get back running again. My battery seems good but I wanted to ask before I pay someone to fix it.
2003 Hyundai Elantra GT: I take out 4 rusted/corroded screws/Bolts for the Heat Shield and change the Oxygen Sensor, upstream, top one, and there is a metal heat shield over it and attached to the manifold.
**The 4 bolts/screws are rusted/corroded in and haven't probably needed to be removed since year 2002 when the car was made.
I was told by a longtime/experienced mechanic NOT to use an "Air compressor gun"
I tried BP Blaster and taking a LONG time!!
**How can I get them out??



2003 Hyundai Elantra GT: I want to change the Oxygen Sensor, upstream, top one, and there is a metal heat cover over it and attached to the manifold.
**The bolts/screws are rusted/corroded in and haven't probably needed to be removed since year 2002 when the car was made.
I was told by a longtime/experienced mechanic NOT to use an "Air, compressor gun"
I tried BP Blaster and taking a LONG time!!
**How can I get them out??
Its usually after it has rained.
Car was used for 50 miles after the new clutch and pressure plate was installed, now the tires will not move had to be dragged onto the wreaker. After sitting for a while will turn for about a Quarter of a mile. What is the problem?
Changed burned out bulb. RF signal works fine.
The drivers front and back doors stay locked in either position.
My daughter's old Hyundai Elantra 2003 alternator belt broke. As I opened up the hood, I found the broken belt, but also coolant everywhere. Any thoughts if those two things are related? (Like if belt breaking caused coolant to leak out everywhere for some reason ...or purely coincidental separate incidents?) I replaced belt, and possibly over-filled the radiator with more coolant. I drove it around during the block, but now coolant is everywhere inside engine again and leaking coolant. Maybe it's a hose....? I'm hoping it's not a radiator leak... any thoughts?
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