Of course, 5w-30 is no thicker than 0w-30.
Don't work the wrong end of the number.
Any xxW-30 is the same viscosity as any other xxW-30 at operating temperature.
| >>My A6 2002 V6 2.4 needs VW 503 00 or 503 01 oil. I am using Mobil Rally | >>Formula 1 0W-40, which meet s the 503 01 standard. | >>
| >>For me it looks that if you want to stick with Castrol, you should be | >>using | >>this Edge 0W-30 which meets the 503 01 standard. This is proper oil for | >>your | >>car. Of course, any oil meeting the 503 00 is also fine. | >>
| >>Regards, Sami | >>
| >>> I have a 2003 A4 which runs the variable servicing (in europe) and my | >>> car has been run on Castrol SLX Longlife II oil. | >>>
| >>> I have recently attempted to buy this oil to top up, and have learned | >>> that it has been replaced with 'Castrol Edge' oil which allegedly | >>> replaces the SLX. I was told that I should use Castrol Edge 5W-30 | >>> which, as it says on the bottle, 'replaces SLX Longlife II'. I am | >>> unsure however for the following reasons: | >>>
| >>> Castrol SLX Longlife II is 0W-30 and the Castrol Edge replacement is | >>> 5W-30 i.e. it is a different viscosity. | >>>
| >>> My Audi Service Manual says I need to use oil which meets the | >>> specifications VW 503 00, VW 503 01 for variable serviceing. Castrol | >>> SLX Longlife II indeed meets this as it meets VW 503 00 / 506 00 &
506 | >>> 01, however The Edge oil meets the specifications VW 504 00, 507
00 | >>> ??? totally different it appears? | >>>
| >>> Incidentally, there is also a 0W-30 Edge oil which meets VW 502
00/503 | >>> 01/505 00 so I would have thought I should be using this???? this does | >>> meet the spec in my manual. | >>>
| >>> Any help/reassurance would be appreciated. | >>>
| >
| > Sami, | >
| > I was thinking the same as you, however I called Audi this morning and | > asked their advice - they had never heard of Castrol EDGE oil but said | > that they were now using Castrol SLX Longlife III which is the | > predecessor to Longlife II and this oil is rated at VW 504 00 / VW
507 | > 00 (Same as Edge 5W-30 not 0W-30) and also, the Longlife III is
5W-30 | > in weight. | >
| > So it appears that Audi are now using 5W-30 oil which meets VW 504
00 | > / VW 507 00 specifications for long life service regime which is what | > the EDGE 5w-30 is. I questioned why the viscosity had changed from
0W | > to 5W and he said 'probably to try and combat oil usage' which many | > Audi engines are prone to (mine uses about a litre every 2000-3000 | > miles). | >
| > Make of it what you will! | >
| > Thanks | >
| > Steve | >
| >
| >
| >>> Steve | >>>
| >>>
| >>>
| >>>
| >>
| >
| |