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I have a 2003 Hyundai sonata and have had a constant squealing problem with it. Belts have been replaced, alternator was replaced twice just incase the first was bad since there was a warranty on it. It seems to do it when the car is cold or it's wet outside..also with the heat/air on. It was squealing the other day and eventually my battery charge light came on as the car started overheating. The mystery squeal no one can diagnose. Any ideas??

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Possible water pump issues

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SOURCE: Belt squealing when first started

The squeal when first started is most likely coming from the alternator belt. You need to have the tension of the belt checked to make sure it is properly adjusted. If you had a shop due it have , have them recheck it. Or stop by a local shop and they shouldnt charge you to check it. But its all in how you ask, if you go in and tell them your problem most likely they will try to get you for a fee to diagnose it.Just ask to have them check the belts and make sure there tight.If its ok, has anyone tried to fix your sqeul by spraying anything on it? if so your belt could be slipping from the lube they used. there is one more thing you can try, providing all the pullys/ tensioner pully if equiped are straight. If it is a serpantine belt(flat/multiple grooves) not A v-belt
when the engine is off,you take a tablespoon or so of corn starch, yes the stuff in the yellow box in the kitchen, and put it on the inside oif the belt. Its acts like a dry lube. I learned this trick at the GM dealership, from a factory bu;lliton. good luck

Posted on Nov 29, 2008

defadad
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SOURCE: Squealing sound

have the belts tightened or replaced as they are slipping on the pulleys by the sound of it

Posted on May 13, 2009

pippall
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SOURCE: A/c only runs through the defrost vents.

change the vent switch.

Posted on May 29, 2009

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SOURCE: squeal when cold new belts mazda 626 2001

readjust belt

Posted on Mar 28, 2010

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SOURCE: i just had my belts

check the tension. cheap belts will stretch. if after you retension them (especially the alternator belt) you may need to replace them with BANDO or OEM belts.

Posted on Nov 30, 2010

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1 Answer

Squealing noise when first starting my 2003 Haundai sonata


could be number of things but most usually is the engine drive belts for alternator etc , next time when start engine have some there to spray some WD 40 onto the belts to see if that stops the squeal, if so you will need to check the condition of the belt/s as may need renewing , keep me posted as how you get on

Jul 06, 2015 | Cars & Trucks

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I just replaced power steering pressure hose on a 2002 Hyundai Sonata GLS 6 cylinder. Now its s squeals really bad when I turn the steering wheel and the belts are squealing like mad too what do I need to...


Looks like you need a new belt. Inspect the belt for any sign of damage like cracks etc. If belt appears fine then just tighten it. Add few drops of brake oil on pulley (surface which comes in contact with belt) to stop minor squeals if left after tightening the belt.

Dec 18, 2012 | Cars & Trucks

1 Answer

WHERE IS THE SERPENTINE BELT LOCATED ON A 2003 HYUNDAI SONATA


Vehicles Covered: Hyundai Sonata 2002-2004 (2.4L & 2.7L Engines)

In 2003, Hyundai produced two types of Sonata:
Available engines:
4 Cylinders 2.4L VIN "S", MFI DOHC - see Figures 1 and 3.
6 Cylinders 2.7L VIN "H", MFI DOHC - see Figures 2 and 3.

To differentiate between these types of 2003 Hyundai Sonatas, the VIN 8th digit (Engine Type) will either be "S" or "H" as in the table above.

To locate the Engine drive belt, jack up the vehicle & place it onto jack stands, then slide under the car (toss a cardboard mat down first), then, once under the car, remove the (plastic) engine splash shield. Once removed, the drive & accessory belts are easily observed.

12_27_2011_5_25_29_am.jpg

Fig. 1 Accessory Drive Belt Routing 2.4L (4 cyl) Engine - Hyundai Sonata
The "COMPRESSOR" refers to the A/C compressor, and "GENERATOR" refers to the Alternator.


12_27_2011_5_27_01_am.jpg

Fig. 2 Accessory Drive Belt Routing 2.7L (6 cyl) Engine - Hyundai Sonata
The Belt Routing on the Left is "With A/C", on the Right is "without A/C"

Inspection - Drivebelt and Accessory Belts

Inspect the drive belt for signs of glazing or cracking. A glazed belt will be perfectly smooth from slippage, while a good belt will have a slight texture of fabric visible. Cracks will usually start at the inner edge of the belt and run outward. Worn or damaged drive belts should be replaced.

Drivebelt Removal & Installation - 2003 Sonata (2.4L and 2.7L engines)

Raise and support the vehicle.
Remove the engine splash shield.
Rotate the drive belt tensioner clockwise to release the drive belt tension.
Remove the drive belt from the alternator.
Slowly release the drive belt tensioner.
Remove the drive belt from the accessory drive pulleys.

To install:

Install the drive belt to the accessory drive pulley.
Rotate the drive belt tensioner clockwise.
Install the drive belt to the alternator.
Ensure the drive belt is properly aligned and seated into the grooves of the accessory drive pulleys.
Slowly release the drive belt tensioner
Install the engine splash shield.
Lower the vehicle.

Here's the best illustration I can find of the Hyundai 2.4L and 2.7L engines - the drivebelt seems to be located on the passenger side of both of these transversely mounted engines.

12_27_2011_6_03_16_am.gif

Fig. 3 Hyundai 2.4L and 2.7L engines - Underhood sensor locations 2002-2004 only

Glossary of Acronyms
---------------------------------
A/C - Air Conditioning
DOHC - Dual Overhead Cam
MFI - Multi-port Fuel Injection

Dec 25, 2011 | Hyundai Motor 2003 Sonata

1 Answer

I just had my belts replaced on my 2004 Hyundai Elantra Sedan and it still squeals when i first start it up but goes away after i start driving. i added belt dressing spray and that helps but a week later...


check the tension. cheap belts will stretch. if after you retension them (especially the alternator belt) you may need to replace them with BANDO or OEM belts.

Nov 30, 2010 | Hyundai Elantra Cars & Trucks

1 Answer

I need to change the timing belt . i have a 2003 hyundai sante fe and the belts are squealling


If your belts are squealing it is the drive belt/belts that need attention not the timing belt. You need to check your belt tension and condition and replace as needed. If a timing belt ever got to the point that it might squeal the car would not run because it would be too far out of time. Your belts will all be external whereas at timing belt is internal and a major part of the engine.

Dec 02, 2009 | 2003 Hyundai Santa Fe

1 Answer

2005 Hyundai Sonata makes a squealing sound or whine when first started, especially if not run for awhile. Belts have been checked all ok, what else should be checked?


check your pulleys take the belt off and check for any amount of wobble play, also take a look at the tensioner pulley pully it back and forth make sure it has a smooth travle if there is any play are glitc hing in them they should be replaced before they cause problems...
good luck

Aug 23, 2009 | 2005 Hyundai Sonata

1 Answer

Belts squeal every time I start my car. It's worse when there's moisture in the air. The car 2003 Sonata doesnt have an on/off switch for the air. I can turn it down but its always on. I've had the belts...


go to a auto part store and buy a spray can of belt dressing you start the can open the hood go over to the belts spray it on the bottom pulley otherwise called the crankshaft pulley the sound will stop you will probaly have to do this about 1 a day for three days and then you shouldnt have any more problems

Dec 19, 2008 | Hyundai Motor 2003 Sonata

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