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DRIVE BELT CHANGE - Serpentine belt

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,254 POSTS
Welcome back:

Take a look at the picture I attached. If that is the one you have, it has an automatic tensioner (one belt). Is that correct? If it is, you simply turn the adjuster with a wrench in the opposite directions of the belt and it will release tension.

If that is incorrect, could you upload a picture of yours so I can see what you are working with?

Let me know.

Joe
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Friday, June 19th, 2020 AT 12:57 PM (Merged)
Tiny
JARRED DINKEL
  • MEMBER
  • 4 POSTS
Here is the pix of the p/s pump.
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Friday, June 19th, 2020 AT 12:57 PM (Merged)
Tiny
JARRED DINKEL
  • MEMBER
  • 4 POSTS
I'm sorry, but the image you showed me is of a chevy small block. Not isuzu 3.2ltr v6.
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Friday, June 19th, 2020 AT 12:57 PM (Merged)
Tiny
BALDER94
  • MEMBER
  • 2 POSTS
So I have this set up(check image) in my 95 rodeo but can’t seem to loosen the tension to take my drive belt off, where are the bolts to loosen it? I am able to take the other two belts off but can’t get the first one.
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Friday, June 19th, 2020 AT 12:57 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,254 POSTS
I believe there is a bolt in the rear that needs to be loosened. I attached a picture of the pump and circled where I believe it to be. I know there are two bolts behind the pulley that mount it on mount, and I believe there is a third on the rear that does the same, but needs loosened to allow the pump to pivot. You have the tensioner loose.

Let me know if this helps.

Joe
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Friday, June 19th, 2020 AT 12:57 PM (Merged)
Tiny
JSTOTT3
  • MEMBER
  • 3 POSTS
  • 1997 ISUZU RODEO
  • 3.2L
  • V6
  • 4WD
  • AUTOMATIC
  • 211,000 MILES
After putting in some oil, I forgot to place the cap back. It fell into the fan, and broke the cooling fan blades. I didn't notice anything until the battery light on my dash flashed. After I pulled over, I looked under the hood and realized the damage. The broken fan, isn't the problem (or maybe it is?) But the belt going from fan, to crank, to alternator fell off. I put the belt back on, but noticed that the alternator belt was rubbing on the belt going to the a/c compressor. I can't figure out how to adjust the belt to get them from touching.
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Friday, June 19th, 2020 AT 12:58 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,254 POSTS
Hi:
First, check to make sure the belt is properly routed and make sure the tensioner is working properly. This vehicle has an automatic tensioner and can't be manually adjusted.

Go to this site. It starts with engine timing belt diagrams and at the bottom refers to serp belts.

https://www.2carpros.com/diagrams/isuzu/rodeo/1997
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Friday, June 19th, 2020 AT 12:58 PM (Merged)
Tiny
JSTOTT3
  • MEMBER
  • 3 POSTS
This is the Belt Diagram, The it tightens the belt from the adjuster/lock at the bottom of the alternator. I tightened that up, which is when I noticed that the belts were hitting each other. Even with the belt off of the alternator, I can;t find a way to align the belt between the fan pully and the crank below it.
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Friday, June 19th, 2020 AT 12:58 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,254 POSTS
Something has to be out of alignment. Have you checked for any excessive play in the belt driven accessories that could allow the belt to move?
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Friday, June 19th, 2020 AT 12:58 PM (Merged)
Tiny
JSTOTT3
  • MEMBER
  • 3 POSTS
Okay, so I figured it out. The fan pulley bolts to a mount. The mount is made up of a plate and a shaft with bearings so that it can spin. When the fan broke, it wobbled the plate that the pulley bolts to, up the shaft. I tried to press the plate back, but it wouldn't move, so I had to get a new pulley mount.
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Friday, June 19th, 2020 AT 12:58 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,254 POSTS
Glad you found the problem. Honestly, I never would have expected that to bend. It's a rigid piece of steel.
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Friday, June 19th, 2020 AT 12:58 PM (Merged)
Tiny
SANDRA PALOMINO
  • MEMBER
  • 1 POST
  • 1999 ISUZU RODEO
  • 3.2L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 24,000 MILES
How do you put on a new belt please?
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Friday, June 19th, 2020 AT 12:58 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See picture move the tension-er in the direction of arrow and that will relieve tension on belt for removal. The tension-er should be replaced at same time of belt however. It may take a socket or just ratchet end to fit in tension-er to move it. See picture.
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Friday, June 19th, 2020 AT 12:58 PM (Merged)

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