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| 10/14/2009 | | Is New Mobil 1 When Installed Clear or Black? | | I paid extra for my mechanic to put Mobil 1 in my car and I suspect he used conventional oil. A normal oil change was $29.99 but I paid $150.00 for Mobil 1 full synthetic oil to be put in my 2008 VW E... |
| | Assuming the plug is in place, it is not uncommon for the old oil that is being changed to drip on the suspension when the oil filter is removed. Later this oil can run off the engine or suspension an... |
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| 11/18/2008 | | Any Problems Leaving in Oil That Has Been Dyed | | While recently having an oil leak repaired on my 2008 Cadillac DTS at a Cadillac dealership they added a fluorescent dye to the oil. Any harm in leaving the oil in the engine with the dye in it? Or sh... |
| | Although we do not have any specific data, we don’t think the dyes will cause any problems since they are typically used at very low levels. We suggest that you contact your GM dealer. |
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| 09/20/2008 | | | It depends on how much water is in the system. Minor amounts of water will be driven off if the vehicle is operated at sustained high operating temperatures. But if there is excess water in the fluid,... |
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| 10/22/2007 | | | We would never use color alone as an indication to gauge whether or not you should change your oil. Without oil analysis you can reach the wrong conclusion about oil quality and in many cases darker e... |
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| 12/10/2006 | | Oil Has Turned Dark and Milky | | After about 1100 miles of use with Mobil 1 full synthetic, my oil turns dark and has a milky like consistency. I have consulted many of my friends who say the same happens to them. Is this a problem... |
| | We are not aware of this issue unless you are making multiple short trips and never fully warming up the car. If this is the case, we recommend a 20-minute drive on a freeway or interstate to drive o... |
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