Author Topic: Which oil?  (Read 5133 times)

Offline Yusee

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Which oil?
« on: 16 October 2019, 15:46 »
My 2018 GTI performance has done 7k miles, the oil dipstick is showing midway between max and min, so I thought I'd better top up before first service.

I called the local VW service dept for advice as to grade- was told 0w30. He sounded uncertain, so I called another dealer- he told me "10w 40 semi, shell or castrol". Called a third dealer who said "5w30 semi, castrol edge"

So 3 calls, 3 different grades advised!

Now I'm absolutely sure the engine won't explode if I add a litre of slightly different oil, but it would be nice to get consistent advice. Even nicer to get accurate advice, but I have no confidence in these chaps to give that!

Just done the oil change on my old Peugeot and have several litres of Shell Helix 10w40 semi that I bought in bulk from Opieoils. I could put a litre of this in. Should I?

Can anyone advise as to what the recommended grade of oil is?
2018 Golf GTI Performance  5dr manual, Isaac blue
1988 Peugeot 205 GTI 1.9, 2022 Triumph Street Triple R, 2016 Seat Alhambra.

Offline Carbon VW

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Re: Which oil?
« Reply #1 on: 16 October 2019, 15:55 »
All cars are delivered set up for long life, so, if your car has not had a service/oil change, it will have the 5W30, 507 spec. oil in the engine. Probably not wise to mix different specs, especially as the engine will still be bedding in.
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Offline mcmaddy

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Re: Which oil?
« Reply #2 on: 16 October 2019, 16:14 »
VW don't use different oils now. It's all long life oil they use irrespective of which service schedule you are on.
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Offline Yusee

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Re: Which oil?
« Reply #3 on: 16 October 2019, 16:43 »
Thanks for the replies. I’ll get some castrol edge 5w30
2018 Golf GTI Performance  5dr manual, Isaac blue
1988 Peugeot 205 GTI 1.9, 2022 Triumph Street Triple R, 2016 Seat Alhambra.

Offline Watts

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Re: Which oil?
« Reply #4 on: 16 October 2019, 18:19 »
If it's half way up the dipstick I can't understand why the need to top it up if the service is not far off? But if you do, a litre might be too much, half should be plenty.
2019 Oryx White 5dr TCR.

Was - 2015 Tornado Red 3dr GTI PP, manual, Santiagos, Audi short shifter.

Offline Yusee

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Re: Which oil?
« Reply #5 on: 16 October 2019, 18:47 »
yeah I thought I would hold out til the first service, but decided today i'll probably need to top up by then.
I find the dipstick reading is pretty sensitive to slight gradient - it can read in the lower half with the passenger side on a very slight downward slope. maybe I'm getting a bit too obsessed with it!
2018 Golf GTI Performance  5dr manual, Isaac blue
1988 Peugeot 205 GTI 1.9, 2022 Triumph Street Triple R, 2016 Seat Alhambra.

Offline Carbon VW

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Re: Which oil?
« Reply #6 on: 16 October 2019, 19:13 »
VW don't use different oils now. It's all long life oil they use irrespective of which service schedule you are on.
Is that not what I said ?!
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Offline mcmaddy

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Re: Which oil?
« Reply #7 on: 16 October 2019, 22:19 »
Not specifically no and at 7k miles the engine will be way past the bedding in stage too.
TCR, Pure Grey, DCC, Dynaudio and Climate Screen.

Offline Carbon VW

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Re: Which oil?
« Reply #8 on: 17 October 2019, 07:49 »
Not specifically no and at 7k miles the engine will be way past the bedding in stage too.
You should learn some manners daddy man. Your tone is quite condescending.
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Offline Adam T7

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Re: Which oil?
« Reply #9 on: 17 October 2019, 13:49 »
When I picked my 7.5 GTI up in December I researched the oil on the web as VW information unclear - Castrol 5W-30.
I’m fastidious bordering OCD on oil levels, check at least weekly, engine oil temp at least 70 degrees, left for at least 10 mins, measured in exact same physical location as yes, the engines appear to be very gradient sensitive. - not burnt a drop, changed at just over 6k.
MY2019 GTI Mk 7.5 Performance. DSG, 5 Door, Rear Camera, Climate Windscreen and Rear Window Factory Tints, Indium Grey.