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Thread: MK3 2012 Focus - Oil Change 101 Reply to Thread
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Topic Review (Newest First)
12-02-2015 03:29 PM
bg_ATL
Quote:
Originally Posted by 2012sel View Post
Resetting the oil life monitoring system
1. Turn the ignition key to the on position. Do not start the engine.
For vehicles with push-button start, press and hold the START/STOP
button for two seconds without pressing the brake pedal. Do not attempt
to start the engine.
2. Press both the accelerator and brake pedals at the same time.
3. Keep both pedals fully pressed.
4. After three seconds, the Service: Oil reset in prog. message will be
displayed.
5. After 25 seconds, the Service: Oil reset complete message will be
displayed.
6. Release both the accelerator and brake pedals.
7. The Service: Oil reset complete message will no longer be
displayed.
8. Rotate the key to the off position.
For vehicles with push-button start, press the START/STOP button to
turn the vehicle off completely.
Hell yeah, super helpful info right here. My damn 2012 has had its oil light on for years now..
10-02-2015 06:23 AM
BrApple
Quote:
Originally Posted by TboneZX3 View Post
While I agree for the most part with your assessment, there are other reasons that manufacturers choose an oil. These days, much of it has to do with CAFE standard requirements. One example of this was the Zetec engine in the Mk1, which changed standards from 5w-30 to 5w-20 from 2000 to 2001. Nothing changed internally on the Zetec to require the change to a thinner oil at operating temperature, and 5w-30 had been specified for the Zetec for many years prior.
This was a change across the board with Ford at this time. The Contour/Cougar also was spec'd for 5W-30 and it was changed to 5W-20. My understanding at the time was that the change was for the CAFE standard requirements. For the Contour V6 the changed showed as a 1 mpg improvement after the change.
09-30-2015 04:42 PM
TboneZX3
Quote:
Originally Posted by morrjr View Post
Oils are chosen by the manufacturer to give the right thickness at the normal operating temperature of the engine.
While I agree for the most part with your assessment, there are other reasons that manufacturers choose an oil. These days, much of it has to do with CAFE standard requirements. One example of this was the Zetec engine in the Mk1, which changed standards from 5w-30 to 5w-20 from 2000 to 2001. Nothing changed internally on the Zetec to require the change to a thinner oil at operating temperature, and 5w-30 had been specified for the Zetec for many years prior.

A change from 5w-20 to 5w-30 will make virtually no difference in startup wear, but also will not make much difference to compensate for higher running temperatures. In fact, there are some 5w-30 oils that flow better at cold startup than some 5w-20 oils. It could, however, have a slightly negative effect on fuel economy to make that change, as mentioned.
09-30-2015 04:24 PM
Miller88
Quote:
Originally Posted by PrDawg View Post
My question is I am in Houston with temps that run to 110 ambient and one of worlds worst traffic jams. Does it hurt to move to 5W-30 to compensate for the heat. Will be running full synthetic. Will also be running CAI, Magnaflow cat back and tune.
Ford has done a lot of testing on 5w-20 in all sorts of condition in that engine. There's no reason to use a heavier oil.

I was posting similar on a different website yesterday how I would have no engine related concers towing my Popup with my Focus 80MPH with 0w-20 oil in it in the Texas heat.
09-30-2015 10:44 AM
morrjr
Quote:
Originally Posted by PrDawg View Post
My question is I am in Houston with temps that run to 110 ambient and one of worlds worst traffic jams. Does it hurt to move to 5W-30 to compensate for the heat. Will be running full synthetic. Will also be running CAI, Magnaflow cat back and tune.
You do not want to change from 5W-20 to 5W-30. You will lose fuel economy, and you could actually hurt the engine at startup. The following is from bobistheoilguy.com:

"More confusion occurs because people think in terms of the oil thinning when it gets hot. They think this thinning with heat is the problem with motor oil. It would be more correct to think that oil thickens when it cools to room temperature and THIS is the problem. In fact this is the problem. It is said that 90 percent of engine wear occurs at startup. If we are interested in engine longevity then we should concentrate our attention at reducing engine wear at startup.

Oils are chosen by the manufacturer to give the right thickness at the normal operating temperature of the engine. I will say this average oil temperature is 212F, the boiling point of water. On the track that temperature is up to 302F. It is important to realize that these are two different operating environments and require different oils.

I will discuss driving around town first. Everything I say will be based on these conditions. At a later time I will discuss track conditions. Everything I say will be as accurate as possible without looking everything up and footnoting. I am trying to be general not ultra specific.

One thing that is no longer important is the ambient temperature. Older automotive owner manuals often recommended one oil for the summer and another for the winter. This is still necessary for air cooled engines but is no longer a consideration in pressurized water cooled engines. These engine blocks are kept at around 212F all year round. The oil is around the same temperature as well. This allows for a single grade oil all year round. Again, this is not the same as on the track where the coolant temperature is slightly higher and the oil temperature is much higher."
09-29-2015 10:03 PM
PrDawg My question is I am in Houston with temps that run to 110 ambient and one of worlds worst traffic jams. Does it hurt to move to 5W-30 to compensate for the heat. Will be running full synthetic. Will also be running CAI, Magnaflow cat back and tune.
09-27-2015 01:49 PM
xtraspin ^^^^
Exactly...my 1st free dealer oil change done @ 1100 miles had a 4100 mile return time..
09-27-2015 12:54 PM
sailor Stickers are good for business, easy way to double Oil Change revenue.
09-27-2015 12:46 PM
Gi_Jo_Nathan I would say ask them, but chances are they're too incompetent to give you a straight answer.

Free is nice, but you couldn't pay me to let someone else change my oil. Especially a dealer.
09-27-2015 12:42 PM
Dorzok Had my first oil change. Was a little worried cuz the info message didn't come on 'til 10,230 miles. I let the dealer do it because it was free. But they stuck a sticker on the windshield said next change is due at 15,000. Why would they do this? I mean the owners manual says change it when the car tells u to. Did they use a substandard oil? One that doesn't meet Ford's minimum standard?
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