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Started By
Message
Oil change with synthetic
Posted on 8/24/16 at 8:18 am
Posted on 8/24/16 at 8:18 am
I know this has probably been asked, but wife was taking our Tahoe in to get oil changed and asked what to out in. I always put synthetic, but then realized we always listen to the computer for oil change intervals. If they base that off standard oil, is it worth paying the extra for synthetic if I still change it every time the computer tells me to?
Posted on 8/24/16 at 8:21 am to KG6
I've always been told once you start putting synthetic you shouldn't go back. You can probably almost double the miles that the owners manual says to go before changing the oil if you used a good filter.
Full synthetic should be good for 10-15k miles.
Full synthetic should be good for 10-15k miles.
Posted on 8/24/16 at 8:35 am to crazytigerfan69
The most I would push it is 10k. The oil may be able to hold up, but the oil filter can't go that long.
This post was edited on 8/24/16 at 8:50 am
Posted on 8/24/16 at 8:55 am to KG6
Newer computers don't base oil change intervals off of mileage
Posted on 8/24/16 at 8:55 am to KG6
Somewhat related questions that don't need their own thread: should the first oil change on a new vehicle be done earlier than what the computer says? Start Synthetic at that oil change?
Posted on 8/24/16 at 8:59 am to KG6
My trucks F150 2012 oil sensor will automatically adjust to synthetic based on the oil properties. I don't know what parameter it is looking at but the life is a lot longer when I use synthetic. In other words, a newer vehicle may not have to adjust anything and should be able to comprehend both
Posted on 8/24/16 at 9:16 am to Hammertime
Non, but they base it off of usage still. How hard your engine worked etc. In any case, synthetic should last longer. So changing when the computer says means changing too often. If that's the case, I'll just switch to regular oil, but still change on computer recommendation.
Posted on 8/24/16 at 9:23 am to KG6
The computer is programmed on the OEM oil. Any standard oil that meets the DEXOS spec is going to be a pretty good oil so you really won't gain much with a full synthetic unless you are towing a lot or operating under severe conditions constantly. Unless your engine is consuming oil at the high side of normal then I'd just use regular oil.
Posted on 8/24/16 at 9:28 am to KG6
Synthetic is good for a decent amount of miles. More than most are comfortable with.
However, if you are still under warranty do not go over the recommended mileage that is in your manual.
However, if you are still under warranty do not go over the recommended mileage that is in your manual.
Posted on 8/24/16 at 9:31 am to KG6
quote:
I always put synthetic, but then realized we always listen to the computer for oil change intervals. If they base that off standard oil, is it worth paying the extra for synthetic if I still change it every time the computer tells me to?
If you use a premium synthetic it won't degrade as quickly and will extend the change intervals. But you still need to check the dipstick to assure your engine doesn't consume oil past the minimum fill level.
I would also advise you use Seafoam on the upper intake manifold a few days before changing your oil. This will clear oil deposits from the upper end of your motor and allow them to settle in the oil pan. Then when you drain it out, it'll take some of the carbon buildup with it.
I use Amsoil 5W-30 and an Amsoil filter. It's rated for 15k miles but I change when my computer tells me, which is typically around 8-10k miles. I drive a 2010 Yukon Denali so your wife's vehicle should have the same oil life meter and computer as mine.
Here's an interesting comparison showing the versatility of synthetic oil:
Engineering Explained - Is Synthetic Oil Better for Your Car?
Posted on 8/24/16 at 9:36 am to KG6
What year model.
Chevy started making cars/trucks that require you to use dexos oils in 2011. If you don't use a dexos oil (and the recommended type 0W-20, etc) it voids your warranty and they also will not honor any recall factory work.
Chevy started making cars/trucks that require you to use dexos oils in 2011. If you don't use a dexos oil (and the recommended type 0W-20, etc) it voids your warranty and they also will not honor any recall factory work.
Posted on 8/24/16 at 9:40 am to bulldog95
quote:
. If you don't use a dexos oil (and the recommended type 0W-20, etc) it voids your warranty and they also will not honor any recall factory work.
if its full synthetic and the right weight, its probably dexos approved
Posted on 8/24/16 at 9:42 am to KG6
Full synthetic costs the same as standard oil in the long run. If you have to change conventional oil every 3,000 miles, that's 3 oil changes at $30-$40 a pop vs. 1 oil change at $100.
Posted on 8/24/16 at 9:46 am to upgrayedd
quote:Does any manufacturer recommend this anymore? My last three vehicles said at least 5,000 in the manual, and I think one said 7,000.
If you have to change conventional oil every 3,000 miles
Posted on 8/24/16 at 9:52 am to upgrayedd
quote:
1 oil change at $100.
It's not nearly this expensive if you do it yourself. Changed my gf's oil in her Jeep with Castrol Synthetic and a Wix filter from O'Reilly for $58. It'll last a good while.
Posted on 8/24/16 at 9:57 am to bapple
quote:
It's not nearly this expensive if you do it yourself. Changed my gf's oil in her Jeep with Castrol Synthetic and a Wix filter from O'Reilly for $58. It'll last a good while.
Wait for a monthly special and you can do it for $35-45 for 6 quarts
Posted on 8/24/16 at 10:01 am to Hammertime
quote:
Newer computers don't base oil change intervals off of mileage
Sure they do, just not solely on mileage. they take driving lengths into consideration (lots of long trips typically means longer intervals between changes). Of course, that varies depending on make and model. They may also take your assessment of driving conditions into account.
This post was edited on 8/24/16 at 10:04 am
Posted on 8/24/16 at 10:02 am to TheBoo
quote:
The most I would push it is 10k. The oil may be able to hold up, but the oil filter can't go that long
That's why you change the filter without changing the oil.
Posted on 8/24/16 at 10:09 am to NYCAuburn
Sam's and Costco often sell 6-qt boxes of Mobil 1 synthetic with instant $10 rebates at check out. Cheapest way to go that I've found on per quart basis, I buy at least 2 or 3 boxes at once.
Posted on 8/24/16 at 10:31 am to Clames
quote:
Cheapest way to go that I've found on per quart basis
Maybe but I doubt it; in my experiences AMSOIL will be the best & least expensive way to go.
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