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Serpentine belt replacement

Tiny
VAVOSAS
  • MEMBER
  • 2017 HYUNDAI ELANTRA
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 97,000 MILES
Can't figure out how to loosen the serpentine belt. There's a tensioner towards the back, but it doesn't budge at all.

The 2016 model had no tensioner and an adjuster under the alternator, but the 2017 has a tensioner. I just can't get it to move. Help!
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Tuesday, September 24th, 2019 AT 3:05 PM

15 Replies

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

Here is a basic tutorial for you showing what's involved for remove/replace:

https://www.2carpros.com/articles/replace-serpentine-belt

https://www.2carpros.com/articles/how-a-serpentine-belt-tensioner-works

I've attached below step-by-step instructions for your vehicle.Hope this helps and thanks for using 2CarPros.

Danny-
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Tuesday, September 24th, 2019 AT 4:02 PM
Tiny
VAVOSAS
  • MEMBER
  • 2 POSTS
Do you know what size wrench or belt tensioner attachment I need for that particular tensioner pulley? There's not a lot of room to get an actual socket wrench in there.
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Tuesday, September 24th, 2019 AT 4:05 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,414 POSTS
You need to use a wrench to turn the tensioner so the pulley moves in to loosen the belt as shown in the pictures. Then you need to remove the tensioner to get the belt free.
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Tuesday, September 24th, 2019 AT 4:06 PM
Tiny
VAVOSAS
  • MEMBER
  • 2 POSTS
Not the same?
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Wednesday, December 2nd, 2020 AT 9:21 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,414 POSTS
Not the same as what you have or what are you referring to as not the same?
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Wednesday, December 2nd, 2020 AT 11:59 AM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello again.

The wrench or socket you can use to release tension to remove and replace the Serpentine belt from the tensioner is 17mm. Hope this helps and thanks again for using 2CarPros.

Danny-
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Wednesday, December 2nd, 2020 AT 3:07 PM
Tiny
ARKMAN8208
  • MEMBER
  • 5 POSTS
Hi I have a 2017 Hyundai Elantra SE with the 2.0L 4 cylinder and I'm trying to replace the serpentine belt as part of the 100K maintenance for the car. I know where the tensioner is and which way to rotate it but it refuses to budge. Any thoughts?
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Monday, January 25th, 2021 AT 8:45 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,414 POSTS
You can try using some penetrating oil on the center of the tensioner and then use a hammer to try to move it in both directions and free it. If the tensioner will not move the next step would be to remove the tensioner itself and replace it while replacing the belt. It doesn't move easily and depending on where you can put the wrench it can make it worse.
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Monday, January 25th, 2021 AT 10:29 AM
Tiny
SWOBO04
  • MEMBER
  • 1 POST
  • 2007 HYUNDAI ELANTRA
  • 4 CYL
  • FWD
  • MANUAL
  • 43,000 MILES
I need to replace the AC belt?
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Monday, January 25th, 2021 AT 12:49 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,282 POSTS
Hello,

You will need to loosen the locking bolt (B) and turn (A) to relieve tension and readjust after belt replacement

Check out the diagrams (Below) Please let us know if you need anything else to get the problem fixed.
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Monday, January 25th, 2021 AT 12:49 PM (Merged)
Tiny
SPIDER2
  • MEMBER
  • 1 POST
  • 2003 HYUNDAI ELANTRA
Engine Mechanical problem
2003 Hyundai Elantra 4 cyl Front Wheel Drive

Which bolts or otherwise must I loosen to change all three drive belts?

Thanks for your help.
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Monday, January 25th, 2021 AT 12:49 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Hi:
If you go to the drive belt routing diagrams, you will see how they are routed. Normally, the alternator, power steering, and AC are adjustable.

Let me know if this helps.
Joe
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Monday, January 25th, 2021 AT 12:49 PM (Merged)
Tiny
JJACOBS57
  • MEMBER
  • 1 POST
  • 2000 HYUNDAI ELANTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 131,000 MILES
I replaced the battery in the car last week, and the alternatior was replaced in January. When the car reaches what appears to be normal operating temperature, the clock dims, the dashboard lights dim, and the speed of the power windows decreases. I have also noticed that the cooling fan is not operating properly. I also recently replaced the power steering belt, and the alternator belt appears to be in good shape, but there is still a belt that is squeeking.
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Monday, January 25th, 2021 AT 12:49 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
I would start with readjusting the alternator belt. It may be loose causing the noise and problem with the electrical system.

As far as the fan, what is it doing?

Joe
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Monday, January 25th, 2021 AT 12:49 PM (Merged)
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

Since you've attached a question to somebody else's we will need you to start a new question. Here is the link:

https://www.2carpros.com/questions/new

Be sure to include all your vehicles information and all the symptoms you can describe with your cars issue. We will be looking for your new question. Hope this helps and thanks for using 2CarPros.
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Monday, January 25th, 2021 AT 9:22 PM

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