Ottdurr Posted December 26, 2019 Share Posted December 26, 2019 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? Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/ Share on other sites More sharing options...
GTSBoy Posted December 26, 2019 Share Posted December 26, 2019 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! Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921852 Share on other sites More sharing options...
Ottdurr Posted December 26, 2019 Author Share Posted December 26, 2019 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? Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921857 Share on other sites More sharing options...
Ben C34 Posted December 26, 2019 Share Posted December 26, 2019 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 1 Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921859 Share on other sites More sharing options...
GTSBoy Posted December 26, 2019 Share Posted December 26, 2019 8 hours ago, Ben C34 said: Because it doesn't use oil This. Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921872 Share on other sites More sharing options...
Equilibrise Posted December 26, 2019 Share Posted December 26, 2019 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. Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921875 Share on other sites More sharing options...
RBW49N Posted December 26, 2019 Share Posted December 26, 2019 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!?♂️ Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921880 Share on other sites More sharing options...
GTSBoy Posted December 27, 2019 Share Posted December 27, 2019 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. 1 Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921884 Share on other sites More sharing options...
MrStabby Posted December 27, 2019 Share Posted December 27, 2019 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..). Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921886 Share on other sites More sharing options...
GTofuS-T Posted December 27, 2019 Share Posted December 27, 2019 must be planned obsolescence? my 95 rb25det still doesn't use any oil Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921888 Share on other sites More sharing options...
GTSBoy Posted December 27, 2019 Share Posted December 27, 2019 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. Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7921893 Share on other sites More sharing options...
RBW49N Posted January 1, 2020 Share Posted January 1, 2020 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 Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7922146 Share on other sites More sharing options...
niZmO_Man Posted January 5, 2020 Share Posted January 5, 2020 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. Link to comment https://www.sau.com.au/forums/topic/479437-vq25det-how-much-oil-consumption-is-too-much/#findComment-7922332 Share on other sites More sharing options...
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