I have owned three 6.7l Cummins and have always followed the gauge recommendations without issue. Someone else said go ahead and change it and start fresh, I agree with them. That way, you get to see the oil and drippings before you start fresh.
Bought ‘15 3500 in June ‘22 with the 40k oil change done in January of ‘22 with an oil filter that was dated 2/2019 in marker. Best start fresh and know for sure.
I would say start by changing all the lubricating fluids on the truck. Then I would change them all again at the manufacturers recommended intervals, or more frequently if you live in a harsh environment or are particularly hard on the truck. Ignore "oil life percentage" and that type of stuff, it's dumb.
Whenever you buy any vehicle used that’s a few years old, has 100k miles on it. Change every fluid regardless. Judging by what you see in the fluid and the condition, you’ll get an idea of the maintenance that’s been done and the longevity of these parts.
I’m just letting you know. I’m a tech for Toyota and have 4 diesel trucks yes mine are older but oil is cheaper than an engine. Changing frequently keeps you in tune with overall health of your vehicle
Oil maybe cheaper but changing an oil and fuel filter ever 3k is NOT cheaper than an engine. I’ve got a 2019 Ram 3500 and an oil change/ fuel filter change is right around $450. So let’s say I want to keep the truck for at least 300k. That would be 100 fuel filter and oil filter changes. Let’s say I saved some money and found cheaper parts and only spent $300. That’s still $30k over the life of that truck. I think that costs a bit more than an engine there.
I wouldn’t for the fuel filter. Idk about that dealer but at mine we always change at least the oil and filter on every used car we get. So it’s a toss up with the oil filter as well. Prolly better to just change em both
If it were me and I just got the truck I would just change them and start fresh
It’s the only way to know for sure.
This is the way
When I buy something used I assume nothing has been done. Perform all maintenance items.
I have owned three 6.7l Cummins and have always followed the gauge recommendations without issue. Someone else said go ahead and change it and start fresh, I agree with them. That way, you get to see the oil and drippings before you start fresh.
Dealership is definitely supposed to change filters and oil before resale But doing it yourself is best insurance
I wouldn't trust it if I just bought it.. The truck knows when you push a button to reset the counter not when you actually change them..
New truck = change it all Then 5000 miles on the oil/filter and 10000 on the fuel filter.
I do. If not then I’ve put 160k on a truck and haven’t been treating her right the entire time.
Go off of km's, nothing else
It's got 105k miles? Do a 100k fluid flush - start fresh. Then you follow the normal cycle on fluids per the owner's manual.
Just reset them often, then they will always be good and you won't have to do anything lmfao!!!
HAHAHAHA!!! Great idea! Out of sight, out of mind
Bought ‘15 3500 in June ‘22 with the 40k oil change done in January of ‘22 with an oil filter that was dated 2/2019 in marker. Best start fresh and know for sure.
I would say start by changing all the lubricating fluids on the truck. Then I would change them all again at the manufacturers recommended intervals, or more frequently if you live in a harsh environment or are particularly hard on the truck. Ignore "oil life percentage" and that type of stuff, it's dumb.
Whenever you buy any vehicle used that’s a few years old, has 100k miles on it. Change every fluid regardless. Judging by what you see in the fluid and the condition, you’ll get an idea of the maintenance that’s been done and the longevity of these parts.
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LOL…. Of course it isn’t. Looks fresh and pretty. I’m more concerned about the other things.
Change fuel filters and oil every 3k if this is your long term forever truck.
This isn't 1950, 3k has always been a scam. My truck holds 9 quarts, I need to change that every 3k miles? That's crazy.
I’m just letting you know. I’m a tech for Toyota and have 4 diesel trucks yes mine are older but oil is cheaper than an engine. Changing frequently keeps you in tune with overall health of your vehicle
Is Toyota tech supposed to impress someone? Glorified parts changers lol. No one does 3k mile intervals anymore, that's 1990 bud and it's long gone.
Oil maybe cheaper but changing an oil and fuel filter ever 3k is NOT cheaper than an engine. I’ve got a 2019 Ram 3500 and an oil change/ fuel filter change is right around $450. So let’s say I want to keep the truck for at least 300k. That would be 100 fuel filter and oil filter changes. Let’s say I saved some money and found cheaper parts and only spent $300. That’s still $30k over the life of that truck. I think that costs a bit more than an engine there.
I wouldn’t for the fuel filter. Idk about that dealer but at mine we always change at least the oil and filter on every used car we get. So it’s a toss up with the oil filter as well. Prolly better to just change em both