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Ask Mobil Archive -
Diesel Engines
DateQuestionAnswer
01/05/2012
ZDDP Levels of Mobil Delvac
What are the current ZDDP levels for Mobil Delvac 15W-40? Is it recommended for classic engines with flat tappet camshafts?
Mobil Delvac 1300 Super 15W-40, which meets API CJ-4 performance standards, has a Phosphorus limit of 0.12 wt%.  With respect to your question on slider tappets, Mobil Delvac 1300 Super 15W-40 meets C...
08/17/2010
Address Conflicting Advise on Whether Mobil 1 Extended Performance Can Be Used in Diesel Engines
The Mobil 1 Extended Performance oil quart bottle has written on it for GASOLINE ENGINES ONLY. But on the website it says can be use in diesel engines that meet the requirements. Is that statement cor...
Since Mobil 1 Extended Performance meets or exceeds the most current requirements of the International Lubricant Standardization and Approval Committee (ILSAC) for gasoline engines, the bottles carry ...
01/12/2010
Does the Mobil 1 Motor Oil for Diesels Meet Volkswagen 502.00?
Does Mobil 1 Turbo Diesel Truck 5W-40 meet VW's 502.00 specification?
No, Mobil 1 Turbo Diesel Truck 5W-40 does not meet VW 502.00; however, Mobil 1 0W-40 meets the VW 502.00 specification.
04/11/2009
Is it OK to use CF-4 Motor Oil in a Volkswagen TDI Engine?
I have a VW TDI 1.9 turbo diesel year 2003, 5000 mile oil changes. Currently using Mobil 1 5W-40 light truck diesel rated CI-4. Have used Mobil 1 15W-50 rated CF-4 in the summer, can I continue this p...
We recommend you use Mobil 1 Turbo Diesel Truck 5W-40 all year as it is the best choice for this application.
02/15/2009
What Are the Benefits of Low Ash Oil?
What are the benefits of using "low ash" oil? I have some Mobil 1 low ash for my Mercedes diesel. Can it be used elsewhere?
Low ash oils typically are used for diesel vehicles that have a DPF (Diesel Particulate Filter) so the carryover oil that makes it into the exhaust system does not foul the particulate filter.  We rec...
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