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#3097817 - 08/17/13 07:58 AM VW Diesel Oil Testing Protocol
Boomer Offline


Registered: 09/19/08
Posts: 1794
Loc: Pennsylvania
Here is a very good link to the testing program run by VW on oils for its TDI engines.

A pretty thorough testing program.
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2003 Saturn L 300 127,720 miles
2013 VW Passat TDI SE, 31,050 miles
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#3098622 - 08/18/13 12:23 PM Re: VW Diesel Oil Testing Protocol [Re: Boomer]
jayg Offline


Registered: 10/04/12
Posts: 468
Loc: Anchorage, AK
The factory Castrol in these things is very good. The only issue is making sure the dealer is putting the right oil in them when people take them in for service.
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#3100631 - 08/20/13 03:00 PM Re: VW Diesel Oil Testing Protocol [Re: Boomer]
Jim Allen Offline


Registered: 08/12/05
Posts: 4477
Loc: NW Ohio
Good general info. Thanks for posting this!
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#3100815 - 08/20/13 05:57 PM Re: VW Diesel Oil Testing Protocol [Re: Boomer]
Thermo1223 Offline


Registered: 04/18/05
Posts: 2062
Loc: Easton, PA
It was always clear to me at least the oil approved by VW isn't the problem. Making sure it is actually what the dealer uses is...

In regards to PD Camshafts it was just poor metallurgy using the oil as a scapegoat. Should have been recalled kinda like he BMW Nikasil fiasco.


Edited by Thermo1223 (08/20/13 05:57 PM)
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#3101406 - 08/21/13 10:49 AM Re: VW Diesel Oil Testing Protocol [Re: Thermo1223]
BMWTurboDzl Offline


Registered: 04/15/10
Posts: 1728
Loc: Atlanta,GA
Originally Posted By: Thermo1223
It was always clear to me at least the oil approved by VW isn't the problem. Making sure it is actually what the dealer uses is...

In regards to PD Camshafts it was just poor metallurgy using the oil as a scapegoat. Should have been recalled kinda like he BMW Nikasil fiasco.


+1, Poor engineering can rarely be overcome with a lubricant.
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#3103329 - 08/23/13 07:32 AM Re: VW Diesel Oil Testing Protocol [Re: Boomer]
kallis222 Offline


Registered: 08/21/13
Posts: 7
Loc: canada
Castrol company is too much good in these things no doubt but i am not satisfy with the castrol lubricant specially because i change the oil of the engine and use castrol brand but its not working well....
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#3107122 - 08/27/13 03:00 PM Re: VW Diesel Oil Testing Protocol [Re: Boomer]
bigjl Offline


Registered: 09/06/12
Posts: 1766
Loc: London, England
In the UK, my main point of reference, the PD engine was fitted to many different vehicles in 115 and 130 bhp versions since around 2000.

There were a few incidences of heavy cam lobe wear when they first came out and the cause was believed to be use of oils meant for the older 90 and 110 tdi's.

There are many products available that are labeled up for the PD engines and they are no longer known to have top end issues anymore.

This is also with the relatively long OCI's common in the UK.

The engine was fitted to the Ford/VW/Seat joint venture 7 seater which was one of the most popular Private Hire vehicles since its release in the late '90s.

Many of these have gone over 300k without issue and some have gone higher than that.

I am not a VAG fanboy and the 140, 2.0 Diesel engine as fitted to more recent VAGs is certainly a victim of poor engineering.

I don't think poor engineering is the issue with the earlier PD.

Though correct oil choice certainly is.
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