kfanciu

This is an oddball request, but I'm hoping someone on here can help. I've searched high and low on how to decipher the date coding on a Porsche OEM drive belt (from my 996TT) but can't seem to find anything other than timing belt coding.

Here is the belt in question:

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What I can make out is "7C" a "0" above a "7" in the white square and a large "3". Any clue?

bugeyemilo

sorry I cant help with the decipher, but I've gotta ask, why decipher? why not just replace ? (or are you just trying to see how old that belt is)

kfanciu

Long story short, I'm trying to figure out if a shop that I paid to replace the belt 3 years (11,000) ago did, indeed, replace it.

I did change the belt, and even messed around making a video doing it!

Carlo_Carrera

There is no way a belt should fail in 11k miles unless it was damaged by external forces. My guess is the shop screwed you. Sorry.

fpb111

The pic looks the belt may not have been tracking true. All idler and accessory bearings good?

Macster

Exactly. That is not a failure due to age -- generally the belt loses long sections of the V's -- but of contact with an accessory drive pulley. Likely there is a pulley with a very worn side too that probably needs to be replaced. And the reason for the mistracking found and addressed. My experience with my Boxster has been a water pump with bearing/shaft play accounted for the a belt's edge developing a sharp edge.

fpb111

Answer from Optibelt:
Dear Frank,

the belt was manufactured in week 3 in July 2012. It seems that the belt ran over the flanges of the pulleys probably caused by some tension problems or a foreign object which comes through the belt and the pulleys.

Kind regards
Thorsten Eilers
Head of Sales Automotive OEM
Phone: +49 5271 62 - 301 | Mobile: +49 172 8673775

-----Ursprüngliche Nachricht-----
Von: Frank Baker [mailto:FKMCBAKER@OPTONLINE.NET]
Gesendet: Montag, 13. März 2017 18:41
An: Eilers, Thorsten
Betreff: RE: Serpentine belt

Thorsten Eilers,
Is it one of these?
Frank Baker

-----Original Message-----
From: Eilers, Thorsten [mailto:t.eilers@optibelt.com]
Sent: Monday, March 13, 2017 10:50 AM
To: fkmcbaker@optimum.net
Subject: AW: Serpentine belt

Good afternoon,

please let me have a photo of the date code.

Kind regards
Thorsten Eilers
Head of Sales Automotive OEM
Phone: +49 5271 62 - 301 | Mobile: +49 172 8673775 | Fax: +49 5271 976200
e-mail: t.eilers@optibelt.com| www.optibelt.com

An Arntz Optibelt Group company
Optibelt GmbH| Corveyer Allee 15 | 37671 Höxter | Germany Registered office Höxter, Amtsgericht Paderborn HRB 6961 Managing Directors: Reinhold Mühlbeyer, Konrad Ummen Value added tax identification number: DE 812 518
948
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-----Ursprüngliche Nachricht-----
Von: Arntz Optibelt Gruppe - Information
Gesendet: Montag, 13. März 2017 15:34
An: Eilers, Thorsten
Betreff: WG: Serpentine belt



Mit freundlichen Grüßen

Arntz Optibelt Gruppe
Information



Telefon: +49 5271 62 -1 | Fax: +49 5271 976200
E-Mail: info@optibelt.com | www.optibelt.com Ein Unternehmen der Arntz Optibelt Gruppe Arntz Beteiligungs GmbH & Co. KG | Corveyer Allee 15 | 37671 Höxter | Deutschland
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This E-Mail contains confidential and/or legally protected information. If you are not the correct addressee or have received this E-Mail erroneously, please inform the sender immediately and delete this mail. The copying as well as the transmitting of this E-Mail is not permitted.

-----Ursprüngliche Nachricht-----
Von: OC Info Messagebox
Gesendet: Montag, 13. März 2017 15:18
An: Arntz Optibelt Gruppe - Information <Info@optibelt.com>
Betreff: FW: Serpentine belt

Please fwd or respond if this is OEM coded.

-----Original Message-----
From: Frank Baker [mailto:fkmcbaker@optimum.net]
Sent: Friday, March 10, 2017 5:04 PM
To: OC Info Messagebox <info@optibelt-usa.com>
Subject: Serpentine belt

Folks,
I am trying to determine the date code of the belt on Porsche. 6pk2285lb?
Can you help me?
Thank you,
Frank Baker