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Ask Mobil Archive -
Deposits
DateQuestionAnswer
02/21/2010
Concern that Contaminants Linger Longer with Extended Oil Drain Intervals
I realize these oils are durable and do a good job keeping the engine from sludge. But is it a good idea to keep the contaminants floating around for so many miles?
ExxonMobil does extensive field testing in extremely challenging environments. In the course of this testing we do extensive oil analysis and, at intermediate and at the end of the test, a full engine...
06/25/2008
Will Mobil 1 High Mileage Clean Up a Badly Sludged Motor?
Can Mobil 1 High Mileage clean up a badly sludged motor?
Yes, Mobil 1 High Mileage can help to clean up a badly sludged engine but it will require short oil and filter change intervals as the clean-up proceeds. Keep in mind that hard carbonous and lacquer t...
05/12/2008
What Happens to the Engine Sludge and Deposits Removed by Using Mobil 1?
I read your posting on switching high mileage vehicles to Mobil 1 and you mentioned that by doing so that would help remove the engine sludge and other deposits that accumulate over time. My question ...
Mobil 1 High Mileage will help to clean up sludge and other deposits by carrying it in suspension. Mobil 1 is formulated with a strong detergent/dispersant additive system, which disperses and agglome...
12/14/2007
Will Mobil 1 Cause Coking Deposits in Older Porsches to Loosen?
Many of the older air-cooled turbocharged Porsche 930 engines have some coking from using the approved oils available 20 years ago. I've read website postings that putting these engines on your Mobil ...
Mobil 1 is a strong product and has demonstrated clean-up of deposits in certain applications but in most cases clean-up is most evident in the reducing of sludge and other softer deposits. In general...
09/14/2006
Should Engines be Flushed When Converting to Synthetic Oil
Should you "flush" an engine prior to converting to synthetic oil? The engine has 40,000 miles on it.
You do not need to flush your engine prior to converting to Mobil 1 fully synthetic oil. However, if your vehicle has been poorly maintained, ExxonMobil suggests a relatively short first oil change in...
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