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 Posted: Tue, 24th Mar 2015 05:45 Post subject: |
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When the oil was replaced during the last oil change (last year winter, so ~30.000 km ago, @~115.000km) I filled in 5l of 30W5 and I just checked how much oil is left. Not a single drop less. Am I fucked or do I drive a wonder car? The engine is a multijet (diesel) 1.9 with 120hp
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| Posted: Tue, 24th Mar 2015 14:51 Post subject: |
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It varies from engine to engine, and from model to model.
It's bad if it starts to rise = diesel fuel in the oil is very bad for lubing.
Also I'd drop the extended oil change schedule, and replace the oil every year or 15k km.
There is a big thread in a local VW forum, that the extended oil change schedule is bad for the engine.
Also putting 2T motor oil (~200ml per fuel tank) in the diesel fuel is beneficial to the engine and fuel system's lubing. Because the sulfur used for lube was removed from diesel fuels. Don't put more, or you risk clogging the DPF filter (if you have one).
Also change your transmission oil every 5 years (of the car). The "for life" claim is shit.
That in mind, many german cars use hydro-electric steering, the fluid level also needs to be checked every couple of years. Many ppl forget about it, ask your dealer/mechanic about it, it's usually a hard to reach place.
If your summer reaches 35+ degrees, I'd advice moving to 5W40 oil.
| Lutzifer wrote: | | and yes, mine is only average |
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| Posted: Tue, 24th Mar 2015 15:34 Post subject: |
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I have a Fiat. Thanks for the tips.
I wanted to visit my mechanic on friday anyway, so that he can have a look at my brakes. I also hit a car so my front bumper jumped a bit out of place and he should have a look at the oil. I am not quite sure if it isn't raising :/ How can this happen and is it fixable?
The handbook for the cars says 5W40 or even 10W40 but everybody on the damn fiat forums says he'd use 5W30.
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| Posted: Tue, 24th Mar 2015 16:48 Post subject: |
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Last edited by paxsali on Thu, 4th Jul 2024 21:49; edited 1 time in total
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| Posted: Tue, 24th Mar 2015 16:50 Post subject: |
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Again, many things are specific to each engine brand/model.
The 5W40 has better specifications for hot weather than the 5W30. Both are fully synthetic and good for any engine with turbo/supercharger. 10W40 is very bad for charged (turbo or super) engines, because the charger uses very thin oil lines, which become clogged at low temperatures and can't supply the charger with enough oil to lube it up at 100,000rpm. Which leads to excessive wear - a turbo that could last for 500k only lasts 100k. a new one costs 1-2k eur
If you have a rotary pump 1.9L diesel engine (2005-), with no turbo, you can use whatever mineral oil, (still using synthetic oil is a premium which the engine will be happy about)
and run it on whatever too.. Oil, diesel, bio diesel, frying oil, capacitor oil.. or any mix of those 
if by multijet you mean JTD (2009+) - that's a CR engine, which is very picky at diesel fuels, the fuel injectors work at very high psi, so only the cleanest and best diesel for that
| Lutzifer wrote: | | and yes, mine is only average |
Last edited by StrEagle on Tue, 24th Mar 2015 17:00; edited 1 time in total
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| Posted: Tue, 24th Mar 2015 16:59 Post subject: |
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It's a turbo and has dpf. OK I might go for 5W40 then. I won't say no to the cheaper oil 
So, what about diesel leaking into the oil? 
Edit:
| Quote: | | if by multijet you mean JTD (2009+) - that's a CR engine, which is very picky at diesel fuels, the fuel injectors work at very high psi, so only the cleanest and best diesel for that |
According to Wikipedia it's a JTD engine.
=> NFOrce GIF plugin <= - Ryzen 3800X, 16GB DDR4-3200, Sapphire 5700XT Pulse
Last edited by PumpAction on Tue, 24th Mar 2015 17:01; edited 1 time in total
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| Posted: Tue, 24th Mar 2015 17:01 Post subject: |
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it's a problem with worn cylinders, fuel seeps between the cylinder and the head into the engine and from there into the oil, should be a problem only for old worn engines
and you will notice the oil level going higher on the dip stick
if it's constant or going lower - no worries
check with your mechanic/dealer for 5W40 oil, you must use an oil that has the required specification by your brand
| Lutzifer wrote: | | and yes, mine is only average |
Last edited by StrEagle on Tue, 24th Mar 2015 17:02; edited 1 time in total
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| Posted: Tue, 24th Mar 2015 17:02 Post subject: |
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How fast would the oil level raise? Maybe it's raising at the same speed that my oil is draining? The oil always being dark is ok?
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| Posted: Tue, 24th Mar 2015 17:04 Post subject: |
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that is one possibility yes
but in those small quantities you shouldn't worry, it takes time for the engine oil to loose it's qualities
and again your engine needs some serious mileage for that to happen 300k+
and when it becomes noticeable - like going above the max indicator on the dip stick - then it's a problem
just check every couple of months the oil level, and if it moved up by 1cm or sufficient for you notice, tell your mechanic
| Lutzifer wrote: | | and yes, mine is only average |
Last edited by StrEagle on Tue, 24th Mar 2015 17:07; edited 1 time in total
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| Posted: Tue, 24th Mar 2015 17:07 Post subject: |
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It's @ 145.000 so far... If the previous owners didn't fiddle with it of course
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| Posted: Tue, 24th Mar 2015 17:08 Post subject: |
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you should be able to go to a FIAT dealer, and check the VIN number, when was the last oil change and at what mileage, then extrapolate
again, this is an uncommon issue - most engines go 500k+ with no such problems
| Lutzifer wrote: | | and yes, mine is only average |
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| Posted: Tue, 24th Mar 2015 17:10 Post subject: |
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The last oil change was done at 115.000 KM last winter were I bought proper 5W30 
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| Posted: Tue, 24th Mar 2015 17:12 Post subject: |
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No I mean, check the history of oil changes of the car, while it was in warranty, they had to be made at a FIAT dealership, and they enter each oil change in a shared system
that way you can see if the mileage on the dash board checks with the mileage in the system
say you buy a 5yo car on 300k
go to the dealership and they tell you, that the last owner changed the oil 16 months ago and the car was on 560k 
| Lutzifer wrote: | | and yes, mine is only average |
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| Posted: Tue, 24th Mar 2015 17:16 Post subject: |
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Thanks for the tips
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| Posted: Wed, 20th May 2015 17:12 Post subject: |
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about the 5W30 vs 5W40
apparently
VAG Specific 5W30 Longlife has specification 507.00, which is for cars with DPF filter
VAG Specific 5W40 Special only has specification 505.01, which is not ok for cars with DPF filter
so if your car doesn't have DPF, there is no point in using 5W30 (VAG engines)
but if your car does have DPF, you have to check if there is an oil 5W40 that complies with the required specification
just FYI
| Lutzifer wrote: | | and yes, mine is only average |
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| Posted: Wed, 20th May 2015 19:00 Post subject: |
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Thanks but the common rail diesel (multijet) 1.9 is not from VAG I think.
But my car has DPF and my dealer said that he'll use 5W30 for my car. Friday I'll have an oil change
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Invasor
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| Posted: Wed, 20th May 2015 19:53 Post subject: |
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Honda recommends 5w30 or 10w30 for its cars in Brazil (where it gets really fucking hot in the summer), so I suppose it's not a problem... But of course every engine model is different, and the requirements for a diesel are probably not the same. Still, 5w30 or 5w40 is not such a big difference, just make sure you change the oil (and filter obviously) every 12 months. I wouldn't run 30k km without changing the oil either, but it's just my opinion, might be a waste to change earlier...
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| Posted: Wed, 20th May 2015 20:18 Post subject: |
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if 10W30 is mineral oil, I strongly recommend not using that in turbo engines.. the turbo oil lines are very small and get clogged easy, which leads to oil starvation of the turbo, which leads to premature wear of the bearings
| PumpAction wrote: | Thanks but the common rail diesel (multijet) 1.9 is not from VAG I think.
But my car has DPF and my dealer said that he'll use 5W30 for my car. Friday I'll have an oil change |
I was just giving an example, for how the oils have different specifications, and car engine requiring a certain one
| Lutzifer wrote: | | and yes, mine is only average |
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Invasor
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| Posted: Wed, 20th May 2015 23:06 Post subject: |
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Invasor
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| Posted: Thu, 21st May 2015 18:30 Post subject: |
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| Posted: Fri, 5th Jun 2015 15:56 Post subject: |
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Hmm... So I'm (hopefully) going to sell my trusty fiat in the next month and I need a new car til latest mid of july.
Basically we are stuck between three options:
1.) Buy a 2010+, <100.000km BMW 320D for ~16.000€ (E90/91)
2.) Buy a 2013+, <100.000km BMW 320D for ~22.000€ (F30/31)
3.) Buy a 2013+, <60.000km Mazda CX-5 2.2 Skyactive 150-D for ~22.000€
What do? I guess it's worth to pay the extra 6.000 for the new 320D, but should I rather go for the CX-5?
Mid July we are going to a 10 day vacation in Italy and I guess the Mazda would be the best fit, because it seems to be the biggest and best fit for 5 people and some luggage...
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Invasor
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| Posted: Fri, 5th Jun 2015 16:14 Post subject: |
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Did you consider something like this?
It's one of the most reliable vehicles you can buy.
Edit: I'm not neutral though because I had 3 hondas and I love them.
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| Posted: Fri, 5th Jun 2015 16:38 Post subject: |
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if you're in for space, instead of a suv, have you considered combi?
it has better mileage, better handling/agility and is more practical
mazda 6 combi? bmw combi? passat combi?
| Lutzifer wrote: | | and yes, mine is only average |
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| Posted: Fri, 5th Jun 2015 16:55 Post subject: |
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If BMW, then it could also be the combi, but only on the 2013+ one (that's why I also wrote F31 )
Is the space inside a SUV like CX-5 too narrow, compared to a combi?
| Invasor wrote: | Did you consider something like this?
It's one of the most reliable vehicles you can buy.
Edit: I'm not neutral though because I had 3 hondas and I love them. |
I don't like honda :/ And this particular model looks ... old :/
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Invasor
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| Posted: Fri, 5th Jun 2015 19:02 Post subject: |
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If you want a lot of space, especially in the rear seat, I guess the BMWs are not the best option considering they are RWD (which takes a lot of passenger room) and traditionally smallish inside.
I doubt the CX-5 is narrow, but that should be easy to see in a test drive (whatever you do, don't buy a car without testing it AND others, IMO)...
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