Question about oil for 2009 Town and Country touring 4.0L



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Thread: Question about oil for 2009 Town and Country touring 4.0L

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    Question about oil for 2009 Town and Country touring 4.0L

    Hi.. i'm new to the forums but been lurking around for a few months already...

    I just wanted to ask regarding oil for the 4.0L engine.. the oil cap recommends 10w30.. my question is would it be alright to use 0w30 all year round on the 4.0L engine? From what i've read 0w30 and 10w30 operates at the same 30 weight on operating temp.. primary difference is on cold start.. the 0w30 tends to flow better on cold start...

    Any experts here would comment on using 0w30 on the 4.0L engine that requires 10w30?

    I just did my oil change recently and decided to put amsoil signature series 0w30 on our 4.0L engine.. so far no problems.. not sure about the fuel consumption yet since we have been using the heater more lately and remote starting the car when needed.. so with more heater being used and remote starting the car.. i can't comment if the fuel consumption is better or worst since 0w30 should give a better fuel consumption...

    if its alright to use 0w30, would running 0w30 all year round on the 4.0L engine be alright?

    Also change the tires on our van recently.. it had 60k km on the odometer .. we got the primacy mxv4 and its worth the money.. its pretty quiet comparing to the yokohama avids33 and falken912.. apparently we had to get 2 falken 912 because one of the yokohama avids33 had a lump that was getting pretty big .. the falken 912 are not so bad but after we had the primacy mxv4.. my dad noticed that the car runs way quieter...

    thanks!

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    While 0w30 would most likely work ok year around, you should use 10w30 if that is what Chrysler specifies in order to maintain the engine warranty.

    I am surprised that the 4.0L engine requires 10w30 however, because I thought most engines in the last 10 - 15 years had gone to 5w30. You might check you instruction book to confirm the oil in the event someone replaced the oil cap with wrong markings.

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    I have 50K miles on our 08 GC with the 4.0. I run Mobil 1 5-30 in winter and Mobil 1 10-30 in summer. Never had any issues as far as oil consumption or anything. I live in northern WI but if I lived in a colder climate I wouldn't hesitate to run 0-30. The oil cap on our 4.0 says 10-30.

    Rather than be concerned about oil weight, get an engine block heater and plug it in at night. Or an oil pan heater at minimum.

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    This subject has been bandied about some in pasts Posts. I think the 30 component is what Chrysler is very, very concerned about for the 4.0L.
    - 5W-20 can be easily confused with 5W-30, so they don't want that confusion to happen.
    - 5W-30 has more VIs in it and can shear out of grade, so it's said, ie the 30 component becomes something less over time.

    If concerned about winter use, a look at pour points may be of some help:
    Amsoil comparison chart (data is a little old, unfortunately): http://www.syntheticwarehouse.com/Amsoil_compared.htm
    Pour Point (ASTM D-97)
    Improves Cold Temperature Startup

    The Pour Point Test determines the lowest temperature at which a lubricant will flow. The lower a lubricant’s pour point, the better protection it provides in low temperature service. Unlike conventional oils that solidify in cold temperatures, AMSOIL 10W-30 Synthetic Motor oil remains fluid down to -58 F. AMSOIL Synthetic Motor Oil helps engines turn over easier and flows quickly to engine parts for critical start-up protection. Engines start faster and wear is greatly reduced for extended engine life.

    Also note our 0W30 is a direct replacement of 10W30. For more performance chose the Amsoil SSO. Remember this is still a SAE 30 with a Winter rating which allows the oil to remain closer to the operating viscosity at ambient temperatures, 75*F and below. The oil will still flow similar to the centistoke rating under proper engine temperatures at even lower temps as well as flow better under load.
    You will find this Thread interesting: http://205.243.146.146/forums/ubbthr...Number=1738173

    Bottom line: A synthetic 10W-30 should work just fine for winter due to its additional flowability at lower temperatures. Do a Pour Point comparison though, some synthetis aren't all that synthetic (Group lV based oils versus Group lll based oils versus Group ll based oils).

    Chrysler allows the use of synthetic oil but per the same conditions as the conventional oil specified.

    Let's take a look at three major motor oils and see what they recommend for the 4.0L
    Mobil 1:
    They go for 5W-30 generally per "What is the right oil for my car" @ http://www.mobiloil.com/USA-English/...leChooser.aspx
    Also consider Mobil 1 0W-30 Advanced Fuel Economy, an advanced full synthetic motor oil, for vehicles where a SAE 0W-30, 5W-30 or 10W-30 oil is recommended. Mobil 1 0W-30 Advanced Fuel Economy is engineered to deliver outstanding engine protection and a potential 2% fuel economy improvement based on a comparison versus those grades most commonly used. Actual fuel economy improvement is dependent upon vehicle/engine type, outside temperature, driving conditions and your current engine oil viscosity.
    Castrol:
    They seem to stick with10W-30 @ http://www.castrol.com/castrol/Lubes...ategoryId=3240

    Valvoline:
    This site give interesting results @ http://classic.valvoline.com/crmo/vehicle.asp They don't recommend their conventional oil because of low temperatures use.
    Last edited by Jeepman; 12-01-2011 at 01:37 PM.
    2007 GC SXT - Magnesium - S&G - 3.8L - 112,920 kms
    2002 GC Sport - Stone White - 3.3L - 311,200 kms
    2003 Jeep TJ Sport - 4.0L - 251,430 kms

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    Thanks for the replies...

    Would it be better to go back to 10w30 on my next oil change which im assuming somewhere around spring - summer? Would it always be better to stick with the recommended oil when it comes to chrysler engines?

    Would running 0w30 cause in any problems to the 4.0L engine in the long run?

    Funny thing is i was looking at amsoil 1 month ago and using their car selector to identify what oil to use on our town and country...they recommended 0w30 for maximum performance and 10w30 for maximum performance.. but around 2weeks ago, when i used the selector again for our 2009 town and country... amsoil only showed 10w30 for maximum performance... i dunno what happened with the 0w30 recommendation..

    I live in BC Canada and its getting cold already here... so i hope running 0w30 til before summer would be alright...

    I'm just wondering if dealership would actually know what kind of oil you put into your car.. cause im pretty sure thats gonna be hard to figure out unless i specifically tell them what brand and what viscosity i used...

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    Sticking with the recommended oil is better for all engines, not just Chrysler. The thing about oils that have too many viscosity improvers in them, as noted earlier, is that as the oil wears, the polymers shear and the oil becomes too thin. By the end of a 5000 mile run, your 0-30 might be 0-20. The closer the first and second number, the better.
    Candy the van. '98 Sport 3.8L 132,200 miles. Used trans at ~96k. Great piece of my life and a fine van.

    '69 GTO drop top
    www.facebook.com/people/Andy-Greif/1410438927

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    Quote Originally Posted by andyg View Post
    Sticking with the recommended oil is better for all engines, not just Chrysler. The thing about oils that have too many viscosity improvers in them, as noted earlier, is that as the oil wears, the polymers shear and the oil becomes too thin. By the end of a 5000 mile run, your 0-30 might be 0-20. The closer the first and second number, the better.
    Thanks! I understand your point.. So here's another question... its regarding honda civic 1.8L... we have the 2010 which is previous generation and it recommends 5w20 on the oil cap.. The latest generation of honda civic 1.8L has a requirement of 0w20.. I'm pretty sure that the 1.8L engine on the previous generation and current generation of civics are the same.. most people say honda made it to 0w20 for cafe standards... so if i have the previous generation civic, would running 0w20 be a problem? I think most of the 2012 honda right now are using 0w20 for their oils...

    Would the increase in fuel economy on 0w20/0w30 be worth it or just stick with the oil cap recommendation to be more safer?

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    For the Honda, check with a dealer to see if the old 5-20 oil part number has been superseded by the 0-20 number. I bet it has, meaning that the 0-20 is fine for your engine. In a case like this, the dealer would prefer to have as few types of oil on hand as possible, so I bet they only have 0-20.

    Chrysler can't do this as their engines use a few different types of oils.
    Candy the van. '98 Sport 3.8L 132,200 miles. Used trans at ~96k. Great piece of my life and a fine van.

    '69 GTO drop top
    www.facebook.com/people/Andy-Greif/1410438927

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    Quote Originally Posted by accretian View Post
    Hi.. i'm new to the forums but been lurking around for a few months already...

    I just wanted to ask regarding oil for the 4.0L engine.. the oil cap recommends 10w30.. my question is would it be alright to use 0w30 all year round on the 4.0L engine? From what i've read 0w30 and 10w30 operates at the same 30 weight on operating temp.. primary difference is on cold start.. the 0w30 tends to flow better on cold start...

    Any experts here would comment on using 0w30 on the 4.0L engine that requires 10w30?

    I just did my oil change recently and decided to put amsoil signature series 0w30 on our 4.0L engine.. so far no problems.. not sure about the fuel consumption yet since we have been using the heater more lately and remote starting the car when needed.. so with more heater being used and remote starting the car.. i can't comment if the fuel consumption is better or worst since 0w30 should give a better fuel consumption...

    if its alright to use 0w30, would running 0w30 all year round on the 4.0L engine be alright?

    Also change the tires on our van recently.. it had 60k km on the odometer .. we got the primacy mxv4 and its worth the money.. its pretty quiet comparing to the yokohama avids33 and falken912.. apparently we had to get 2 falken 912 because one of the yokohama avids33 had a lump that was getting pretty big .. the falken 912 are not so bad but after we had the primacy mxv4.. my dad noticed that the car runs way quieter...
    thanks!
    Have a look at what the brand, that is known for being "First In Synthetics" says about what it recommends for your vehicle: http://bit.ly/rBJwIT

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    Quote Originally Posted by accretian View Post

    Funny thing is i was looking at amsoil 1 month ago and using their car selector to identify what oil to use on our town and country...they recommended 0w30 for maximum performance and 10w30 for maximum performance.. but around 2weeks ago, when i used the selector again for our 2009 town and country... amsoil only showed 10w30 for maximum performance... i dunno what happened with the 0w30 recommendation..

    I live in BC Canada and its getting cold already here... so i hope running 0w30 til before summer would be alright...

    I'm just wondering if dealership would actually know what kind of oil you put into your car.. cause im pretty sure thats gonna be hard to figure out unless i specifically tell them what brand and what viscosity i used...
    I would contact Amsoil and ask them what is going on with their site and what do they actually recommend. Both Amsoil and Mobil 1 say their 0W-30 covers all bases for anything that ends with 30.
    0W-30 should work just fine in theory. Also, there's less chance for your oil filter to go into bypass mode on a cold day and if it does, the duration will be less. Bypass mode means there is unfiltered oil going through your engine. This happens in cold weather startups.
    What do you get for low temperatures during the winter? Forget about windchill, motor oil isn't affected by it.
    If you had an engine failure, they would likely have the oil tested in a lab. They would also have to prove that the oil caused the problem.

    More "Pour Points":
    Amsoil 10W-30 Signature Series synthetic: -48C (-54F)
    Amsoil 0W-30 Signature Series synthetic: -51C (-60F)
    Valvoline 10W-30 MaxLife synthetic blend: -42C
    Valvoline 10W-30 conventional oil: -36C
    Last edited by Jeepman; 12-01-2011 at 10:13 PM.
    2007 GC SXT - Magnesium - S&G - 3.8L - 112,920 kms
    2002 GC Sport - Stone White - 3.3L - 311,200 kms
    2003 Jeep TJ Sport - 4.0L - 251,430 kms

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