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Wrong Size Rotors - 2004 S80 T6 Topic is solved

Help, Advice, Owners' Discussion and DIY Tutorials on the Volvo S80 model. Sometimes called an "executive car", the S80 was and continues to be Volvo's top-of-the-line passenger car.
Yendor72
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Wrong Size Rotors - 2004 S80 T6

Post by Yendor72 » Fri Jul 20, 2018 8:13 am

Recently had my 2004 S80 T6 inspected and had a steering knuckle replaced at the local Volvo shop. The shop owner stated that I had the wrong brake rotors on the vehicle. He wasn't really sure what the size should be though and the $500 price to do just the fronts didn't sit well with me. Where is a good resource to find out what size they are? I really want to get them swapped out for the right parts, bit of a safety issue. Thanks in advance!!

VIN: YV1TR91Z641367970
Last edited by matthew1 on Fri Jul 20, 2018 11:25 am, edited 1 time in total.
Reason: Improved title, added tags. Please, no "HELP"s in titles. Thanks. MGMT.



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RickHaleParker
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Re: Wrong Size Rotors, HELP!!

Post by RickHaleParker » Fri Jul 20, 2018 10:08 am

At a Volvo shop? They should of been able to figure it out.
Check your VIN number, the one you posted does not check sum.
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jsn9839


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

Yendor72
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Re: Wrong Size Rotors, HELP!!

Post by Yendor72 » Fri Jul 20, 2018 11:07 am

I went out and checked it. YV1TR91Z641367970 the same as I posted above. So I am not sure why its not working.

The Volvo shop had a part number that he got from his source for parts, but no data on it.
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matthew1
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Re: Wrong Size Rotors, HELP!!

Post by matthew1 » Fri Jul 20, 2018 11:26 am

Yendor72 wrote:
Fri Jul 20, 2018 11:07 am
I went out and checked it. YV1TR91Z641367970 the same as I posted above. So I am not sure why its not working.
You're correct. This is a valid S80 VIN. It checks out here https://www.matthewsvolvosite.com/volvo-vin-search
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Re: Wrong Size Rotors - 2004 S80 T6

Post by matthew1 » Fri Jul 20, 2018 12:26 pm

The rotor size thing... I admit I don't get it. Can you tell us what the (indie?) mechanic said, specifically? Anything written?
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Re: Wrong Size Rotors - 2004 S80 T6

Post by Yendor72 » Fri Jul 20, 2018 12:28 pm

He simply said, the rotors on the front are the wrong size. Didn't say too big or small, just the wrong size. I asked to clarify the size and he said he didn't really know what the size should be, just a part number. He's a small shop and I imagine he wanted to do the work and get paid for it, but I can do it much cheaper, if I can just get the correct rotor size. I can't go measure what is there because it is wrong. I do believe they are too small though, based on a quick visual.
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Re: Wrong Size Rotors - 2004 S80 T6

Post by matthew1 » Fri Jul 20, 2018 12:32 pm

The first step in solving a problem is to determine if a problem exists. I don't know it passes this test. I'd get clarification.

Anyone who asks my wallet to open for several hundred dollars needs to have a good case in my courtroom.
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Re: Wrong Size Rotors - 2004 S80 T6

Post by Rattnalle » Fri Jul 20, 2018 12:37 pm

Wrong as in not what it was sold with or wrong as in the pads don't sit right on the rotor?
No. one doesn't really matter that much. It helps a bit with heat management but isn't really critical unless you're track driving it.
No. two should be really easy to tell by just looking at it. Either the pad covers the whole disc nicely or it doesn't.
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Re: Wrong Size Rotors - 2004 S80 T6

Post by Yendor72 » Fri Jul 20, 2018 1:46 pm

in my quick inspection the pad does not cover the disc correctly. That and it brakes terribly. I actually thought it was the brake booster issue, but he inspected that and found no issues. So when I say its a safety issue that means I don't think I could perform a panic stop.
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Re: Wrong Size Rotors - 2004 S80 T6

Post by RickHaleParker » Fri Jul 20, 2018 1:50 pm

I ran it through two VIN decodes and they came up invalid. Tried some more and no flags.

If the mechanic is going off part number alone. It most likely a clerical error. Look at the rotors do they look like they are the wrong size? I think you need a second pair of eyes on it.

There are four sizes listed 15", 16", 16.5" and 17.5". Also there are two different versions of the 16.5, which version depends on your chassis number which is 367970.
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Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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