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2500km after the last oil change and I've just had to add 1.5l of oil to get back up to the "full" mark. That sounds pretty wrong to me but there are a few sources online that say 1L/2500km is normal for most cars and I found one that reckons the vq25de specifically can use 0.5L/1000km which means mine is normal, What have you guys experienced?

39 minutes ago, GTSBoy said:

That's "normal" in dealer speak, where they don't want to have to do any warranty work. I never check the oil in my Neo25 in the 10000km between services. If it ever starts using oil, I might be in trouble!

If you never check it how do you know it isn't low on oil?

41 minutes ago, Ottdurr said:

If you never check it how do you know it isn't low on oil?

Because it doesn't use oil. I do the same with my daily cars, they don't use oil, so I don't check. Once you get a idea the engine doesn't use any noticeable amount of oil you can stop checking!

Im your case you car burns a fair bit if oil, so you need to keep an eye on it. To me that's a mental amount of oil, but really it's not like you are going to rebuild the engine just because of that

 

  • Thanks 1

That's high oil consumption. Worth trying to find out where it's going. Oil you are using could be too thin also...

Checking oil every few weeks as a minimum is a good habit to get into, weather the engine looses oil or not. It's an expensive repair if it runs out.

Early Holden Barinas are “allowed” according to golden to use 3.5l per 10k they hold 3.7l and service intervals were every 15k. So if unchecked it could use all the oil before the next service!?‍♂️

2 hours ago, RBW49N said:

Early Holden Barinas are “allowed” according to golden to use 3.5l per 10k

Not the Suzuki ones, surely? That would have to be the shitty Spanish built Opel ones, and if so, no-one would cry if/when they died. That's just natural selection.

  • Haha 1

My VQ25DET was needing about 0.5-1L of 0W-40 per 5000kms, but the cam cover gaskets have been changed (pink slip fail) so hopefully that consumption will reduce (not that the garage floor showed more than the occasional drop of leakage..).

The VQs came at the start of the era when OEMs were staring to use very thin piston rings and other design/spec choices like low ring tension, intended to reduce fuel consumption. Subaru motors got the worst of it, because there's nothing worse than a piston ring design that allows more oil to pass, on a horizontal cylinder.

On 27/12/2019 at 11:36 AM, GTSBoy said:

Not the Suzuki ones, surely? That would have to be the shitty Spanish built Opel ones, and if so, no-one would cry if/when they died. That's just natural selection.

Yeah the shit Euro ones not the quality Japanese ones

On 27/12/2019 at 4:04 PM, GTSBoy said:

The VQs came at the start of the era when OEMs were staring to use very thin piston rings and other design/spec choices like low ring tension, intended to reduce fuel consumption. Subaru motors got the worst of it, because there's nothing worse than a piston ring design that allows more oil to pass, on a horizontal cylinder.

My Pooparu hit 256,000 km (EJ255), and yeah it does burn an alarm amount of oil for me (almost 1L per 10,000 km). My GT-R doesn't burn oil and it's 1990 model.

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