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I live in SC (mild winters) and have a 2005 Ford Escape with 110K miles. Ford recommends 10W30 oil but I have been told 10W30 might be better for an older car.
I also have a very small oil leak so would the thicker viscosity help?
I live in SC (mild winters) and have a 2005 Ford Escape with 110K miles. Ford recommends 10W30 oil but I have been told 10W30 might be better for an older car.
IIRC, Ford (the manufacturer) calls for 5w20 in the 2005 Escapes...
Is a tech at the Ford dealership suggesting you use 10w30?
The dealer's service dept. and the manufacturer are two different entities.
Honestly, I'd just stick with what the manufacturer recommends, which is 5w20.
I also have a very small oil leak so would the thicker viscosity help?
Your opinions please.
Thanks
It's highly unlikely that a thicker viscosity will do much for your oil leak, especially if you're just talking about going from 5w20 to 10w30.
The idea that a higher-viscosity oil is better for an older engine is an old-school idea that related more to making up for engine wear than stopping leaks. I don't know if it really had any basis in scientific fact, but it was pretty well accepted by many people back in the day.
And even if it was a rational idea, it wouldn't likely apply today. Engines these days are built with more relaxed tolerances from the factory which means they don't wear as much. That's the main reason today's engines will easily run 200K+ miles without wear-related breakdowns instead of being totally work out by the time they hit 100K.
Just use what the manual says, which should be 5w-20.
Switch to a high mileage oil. They have seal swelling additives. It may take 6 months to a year to know if it's working for you.
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