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What size belt I need to belt bypass the AC compressor

Tiny
STACY KNIGHT
  • MEMBER
  • 2005 CHRYSLER PACIFICA
  • 3.5L
  • 4WD
  • AUTOMATIC
  • 9,000,000 MILES
My AC compressor pulley is broken and I'm trying to find the right size belt to bypass it
Saturday, December 7th, 2019 AT 9:14 AM

20 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

Though they don't have sizes for what you are asking but you can find the correct size by trail and error as long as you have a starting off point which is here and use the diagrams below to estimate how much shorter you need then the auto parts store can help. You may need to buy more than one and take the others back.

Serpentine Belt - 4861850AB - $14.70

I would estimate about 20 inches shorter. Check out the diagrams (below). Please let us know what happens.
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Sunday, December 8th, 2019 AT 3:22 PM
Tiny
MARK QUINN
  • MEMBER
  • 2 POSTS
  • 2004 CHRYSLER PACIFICA
  • 167,000 MILES
AC compressor has locked up. I was going to get shorter belt to bypass the compressor. Does anyone know the size belt it would take for a 3.5 engine?
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Monday, December 9th, 2019 AT 10:04 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
This has to be done hunt and peck style at auto parts store there is no set belt for doing this.
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Monday, December 9th, 2019 AT 10:04 AM (Merged)
Tiny
MARK QUINN
  • MEMBER
  • 2 POSTS
Your right, but if anyone has the same problem and they will, it takes 80.5 belt from AutoZone!
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Monday, December 9th, 2019 AT 10:04 AM (Merged)
Tiny
RENEE L
  • ADMIN
  • 1,260 POSTS
Thank you Mark for coming back to the site with that information. We really appreciate it.

Have a great rest of your day!

Renee
Admin
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Monday, December 9th, 2019 AT 10:04 AM (Merged)
Tiny
CAPTAINSNOW
  • MEMBER
  • 1 POST
I have a 2006 Pacifica with the 3.5 L and AWD. I used a 80 3/4 in belt. The part number is 060802 at Napa, box also says 6pk2038. I tried one that was 80 1/8 first, but it was too small. 80 3/4 seemed perfect.
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Monday, December 9th, 2019 AT 10:04 AM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 13,572 POSTS
There are a few belts that will fit. The trick is to find the one that puts the tension-er the closest to its proper position. For that an 80 1/4 - 80 1/2 runs about right. The 6PK2038 listed above is an 80 1/2 inch pitch length belt. So it should work just fine.

If you run into a parts store that wants make/model/engine, Tell them it is for a 2004 Isuzu Rodeo 3.5 and no AC.
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Monday, December 9th, 2019 AT 10:04 AM (Merged)
Tiny
JACOB ERB
  • MEMBER
  • 1 POST
Would anyone be able to tell me or show me how to reroute the belt with out the A/C compressor?
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Tuesday, November 10th, 2020 AT 8:09 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

There isn't a specific predetermined way. However, I attached a pic below showing how I would at least try to do it.

Let me know if it helps.

Joe
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Wednesday, November 11th, 2020 AT 5:33 PM
Tiny
JIMMYCOOK05
  • MEMBER
  • 3 POSTS
Can I take the idle pulley off that's underneath the power steering? That's the only way that belt works for me because it seems to be about 3 inches to short.
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Tuesday, February 8th, 2022 AT 2:25 PM
Tiny
JIMMYCOOK05
  • MEMBER
  • 3 POSTS
I went and got the same belt everyone else has and tried routing it like the picture above, but it seems to be short. It's a 2006 Pacifica AWD, with the 3.5.
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Tuesday, February 8th, 2022 AT 2:39 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I wouldn't recommend doing that. I feel the belt will slip at the power steering pump. Are you able to get a different length belt? Have you tried it bypassing that pulley?

Let me know.

Joe
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Wednesday, February 9th, 2022 AT 1:59 PM
Tiny
JIMMYCOOK05
  • MEMBER
  • 3 POSTS
I have my old belt and my new belt. The new belt will work on the lower half of that pulley but won't work over the top, it's still on. I just left it there until I can get back to it here in a couple days, I did leave the pulley on.
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Wednesday, February 9th, 2022 AT 2:19 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Okay. Let me know if you are able to get the correct size and how things turn out.

Take care and let me know what I can do to help.

Joe
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Wednesday, February 9th, 2022 AT 2:58 PM
Tiny
AMWOLFF
  • MEMBER
  • 2 POSTS
What if you have a 2.5L engine and not a 3.5L? What size belt would you need then, if you are bypassing the AC compressor?
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Friday, July 21st, 2023 AT 4:33 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
There is a 3.5 and a 3.8 in these cars for this year? What year is your car?
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Saturday, July 22nd, 2023 AT 8:53 AM
Tiny
AMWOLFF
  • MEMBER
  • 2 POSTS
2014
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Saturday, July 22nd, 2023 AT 12:46 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
No problem we can help but this post is for an older car, please post your new question here, you must be logged in.

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

Cheers, Ken
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Sunday, July 23rd, 2023 AT 1:41 PM
Tiny
TIFFANI W.
  • MEMBER
  • 3 POSTS
I have an 07 Chrysler Pacifica 3.8L. I'm trying to route the belt without the AC.
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Tuesday, January 30th, 2024 AT 2:00 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

If possible, I need you to start a new post. We try to keep the threads specific to one type of problem and the same year/make vehicles, so they are more helpful to others. I hope you understand.

Here is the link to start a new post. Simply copy and paste your question and someone will try their best to help.

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

Again, I hope you understand.

Take care,

Joe
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Tuesday, January 30th, 2024 AT 9:13 PM

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