Drive/aux belt length TDI

artiedtke · Jul 4th, 2015, 14:34

I believe there are two lengths of belt for the D5252T a 1675mm and a 1685mm, how do I know which one my car uses, will vadis tell me ?

Car has air con but doesent work.

John97Tdi · Jul 6th, 2015, 00:40

Hi

As far as I know the 10mm variation is just the spread in manufacturers spec for the tdi - the tensioner will more than compensate for the 'slack.'

When my aircon died I used a shorter (Gates 6PK1428) belt and took the compressor ' out of the loop.'

Hope this helps

John

Paul850TDI · Jul 17th, 2015, 06:59

Quote:

Originally Posted by artiedtke

I believe there are two lengths of belt for the D5252T a 1675mm and a 1685mm, how do I know which one my car uses, will vadis tell me ?

Car has air con but doesent work.

Have you already changed the belt?
When I recently did it I found that the volvo belt was 1675mm. I bought a 1685 Gates belt. Easily fitted compared to the OEM belt which was a nightmare even to remove with loosen tensioner. It was a really tight fit.
Now my problem is that the brand new Gates belt has a short squealing noise when the engine starts and when it stops. It's not a continous noise but drives me crazy.

martin_r_smith · Jul 17th, 2015, 15:10

It's usually a weak tensioner that causes the noise on start up and shut off.

Paul850TDI · Jul 18th, 2015, 13:30

Quote:

Originally Posted by martin_r_smith

It's usually a weak tensioner that causes the noise on start up and shut off.

Yes, that was my first thought. My tensioner is pretty new, it was changed a year ago.
So yesterday I bought a 1680mm belt and the squealing noise has gone. Based on these I found this length (1680mm) optimal and installation was an easy job as well.

artiedtke · Aug 4th, 2015, 11:30

Quote:

Originally Posted by Paul850TDI

Have you already changed the belt?
When I recently did it I found that the volvo belt was 1675mm. I bought a 1685 Gates belt. Easily fitted compared to the OEM belt which was a nightmare even to remove with loosen tensioner. It was a really tight fit.
Now my problem is that the brand new Gates belt has a short squealing noise when the engine starts and when it stops. It's not a continous noise but drives me crazy.

Not yet. Ordered a Gates 1685 (that's whats currently fitted), received a Dayco 1688 (hate EuroCarParts).

Also received a Dayco Injection Pump belt when I ordered a Gates too.

I'll go with them for now, but its not my preference.

Jul 4th, 2015, 14:34	#1
artiedtke Just one more thing... Last Online: Jul 10th, 2020 14:44 Join Date: Dec 2008 Location: North Wales	Drive/aux belt length TDI I believe there are two lengths of belt for the D5252T a 1675mm and a 1685mm, how do I know which one my car uses, will vadis tell me ? Car has air con but doesent work. __________________ '98 V40 2.0T B4204T - died... '96 855 2.5 TDI D5252T - 255,000 miles "Diesel without turbo is like a woman without boobs... sure you can drive it, but there's always something missing." Last edited by artiedtke; Jul 4th, 2015 at 14:40.

Jul 17th, 2015, 15:10	#4
martin_r_smith Premier Member Last Online: May 10th, 2022 21:01 Join Date: May 2009 Location: Wiltshire	It's usually a weak tensioner that causes the noise on start up and shut off. __________________ 1983 244

Jul 6th, 2015, 00:40	#2
John97Tdi Master Member Last Online: Yesterday 17:17 Join Date: Feb 2007 Location: Rochdale	Hi As far as I know the 10mm variation is just the spread in manufacturers spec for the tdi - the tensioner will more than compensate for the 'slack.' When my aircon died I used a shorter (Gates 6PK1428) belt and took the compressor ' out of the loop.' Hope this helps John

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