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Tricky visco problem? #4626565
01/07/18 03:32 AM
01/07/18 03:32 AM
Joined: Jan 2018
Posts: 2
Sweden
puguser Offline OP
puguser  Offline OP

Joined: Jan 2018
Posts: 2
Sweden
Hi all,

I have a Peugeot 206 1.6 16V (TU5JP4) 2004 model. Now when itís wintertime the temperature mostly lays around 0 degrees celsius (ca 32F). In November I switched from 10W-40 to 5W-30 for the upcoming winter.

Problem now is the oil still doesnít seem to be thin enough. When driving normally oil temp sticks just below 90C (194F). If you start pushing the car it will raise to ~120C (248F). Why is this a problem? Well, after this oil change the lifters have started ticking and Iím worried I canít go any thinner.

So how do I get the operating temp up and at the same time avoid more ticking? (The ticking is light but itís there)

Castrol Edge FST LL 5W-30

Last edited by puguser; 01/07/18 03:33 AM.
Re: Tricky visco problem? [Re: puguser] #4626569
01/07/18 04:07 AM
01/07/18 04:07 AM
Joined: Nov 2011
Posts: 5,057
MTL, CANADA
Rolla07 Offline
Rolla07  Offline

Joined: Nov 2011
Posts: 5,057
MTL, CANADA
Dont worry about ticking, it doesnt mean your engine is getting damaged. 5w30 is easily fine in 0 celsius. We get down to -28 celsius tonight, im using 0w20.

Last edited by Rolla07; 01/07/18 04:08 AM.

2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: Tricky visco problem? [Re: puguser] #4626571
01/07/18 04:08 AM
01/07/18 04:08 AM
Joined: Dec 2002
Posts: 42,524
'Stralia
Shannow Online content
Shannow  Online Content

Joined: Dec 2002
Posts: 42,524
'Stralia
Originally Posted By: puguser
Problem now is the oil still doesnít seem to be thin enough. When driving normally oil temp sticks just below 90C (194F). If you start pushing the car it will raise to ~120C (248F). Why is this a problem? Well, after this oil change the lifters have started ticking and Iím worried I canít go any thinner.


How do you figure that the oil isn't "thin enough" ?

Re: Tricky visco problem? [Re: puguser] #4626580
01/07/18 04:44 AM
01/07/18 04:44 AM
Joined: Mar 2017
Posts: 226
South Wales, UK
Bailes1992 Offline
Bailes1992  Offline

Joined: Mar 2017
Posts: 226
South Wales, UK
No problem here at all. TU engines have been around since the mid 80's and really prefer a *w40 oil.
The Castrol Edge 5w30 LL is a bit thin at operating temperature. It's also a mid saps oil so it lacks some basic anti wear additives that TU engines like.

Why not a 5w40 or 0w40 A3/B4 oil? There's loads to choose from and they will offer the same cold temperature flow and protection you're getting from your 5w30. Castrol and Mobil1 both do quality 0w40 oils or a cheaper alternative would be Shell Helix Ultra 5w40.

Last edited by Bailes1992; 01/07/18 04:58 AM.

'17 Volvo V40 D3 Geartronic - Total V-Drive 0w20 & Comma MVATF
'18 Dacia Sandero 0.9T - Fuchs GT1 5w40 & Sintofluid 75w80
'96 LR Defender 300TDi - Fuchs GT1 5w40, Sintofluid 75w80 & Sintopoid 75w90
Re: Tricky visco problem? [Re: puguser] #4626584
01/07/18 05:26 AM
01/07/18 05:26 AM
Joined: Oct 2015
Posts: 2,930
Balearic Islands , Spain
FordCapriDriver Offline
FordCapriDriver  Offline

Joined: Oct 2015
Posts: 2,930
Balearic Islands , Spain
You don't need to go any thinner, if i were you i would run a synthetic 5W-40 all year and not worry, your TU will be more than happy with that.
And don't worry if there is a bit of valvetrain noise, i have never heard a TU engine without a bit of ticking, my 1.1i TU on 20W-50 still ticks haha.


1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.
1988 Ford Escort XR3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.


Re: Tricky visco problem? [Re: FordCapriDriver] #4626686
01/07/18 09:46 AM
01/07/18 09:46 AM
Joined: Aug 2010
Posts: 6,229
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,229
Champlain/Hudson Valley
I have an analogous "problem". It's been cold and you can hear cars ticking a bit during start-ups.
My car ('07 Volvo V70 base) starts OK and sounds good doing it with Mobil1 0W-40.

HERE'S THE PROBLEM:
My friend, who took a detailed lubrication course at his job site, insists that you never venture off the "low number".
He said switching from a 10W-40 to a 10W-30 is OK but never, say, using 0W-30 where a 5W-30 is called for.

I always thought the "0W" was more nominative than actual. In fact, there could be no ZERO WEIGHT anything.

The BIG TROUBLE with the OP's situation is that he lives in a place where experimenting with different oils is expensive.

Re: Tricky visco problem? [Re: puguser] #4626693
01/07/18 09:52 AM
01/07/18 09:52 AM
Joined: Aug 2013
Posts: 493
Alberta
tcp71 Offline
tcp71  Offline

Joined: Aug 2013
Posts: 493
Alberta
The ticking is because the oil is thinner at running temperature. 0 Celsius isnít cold and a 10w40 oil is perfectly appropriate.


2016 F150 Eco: Edge 0w40
2005 Sienna 3.3: mobil 0w40 (varies)
Re: Tricky visco problem? [Re: puguser] #4626765
01/07/18 11:41 AM
01/07/18 11:41 AM
Joined: Jan 2018
Posts: 2
Sweden
puguser Offline OP
puguser  Offline OP

Joined: Jan 2018
Posts: 2
Sweden
Please correct me if I'm wrong but should I change from current 5W-30 to 0W-40, 5W-40 or 10W40, wouldn't the engine be even more cold?

I'd like to have a running temperature of at least 100C (212) so by the logic above I would need a 0W-20 oil which feels strange since I don't live in Arktis.

Is my assumption right that higher visco gives less temp and vice versa?

Say I should switch to Peugeot recommended 10W-40, wouldn't the engine temp go even lover?

Re: Tricky visco problem? [Re: puguser] #4626807
01/07/18 12:17 PM
01/07/18 12:17 PM
Joined: Mar 2017
Posts: 226
South Wales, UK
Bailes1992 Offline
Bailes1992  Offline

Joined: Mar 2017
Posts: 226
South Wales, UK
Originally Posted By: puguser
Please correct me if I'm wrong but should I change from current 5W-30 to 0W-40, 5W-40 or 10W40, wouldn't the engine be even more cold?

I'd like to have a running temperature of at least 100C (212) so by the logic above I would need a 0W-20 oil which feels strange since I don't live in Arktis.

Is my assumption right that higher visco gives less temp and vice versa?

Say I should switch to Peugeot recommended 10W-40, wouldn't the engine temp go even lover?


Ah, it would seem you are missing some oil basics. Apologies, I didn't detect this in the first post.

Thinner oils usually make an engine run cooler as flow is increased, thicker oils usually make the engine run hotter. However, the difference is negligible. I would imagine the difference between a 0W20 and a 15w40 would be less than 10įc.

Your PSA TU5 calls for a 10W40. That means the oil at operating temperature has the viscosity of a SAE 40 weight oil. The 10W means the engine oil stays suitably viscous down to -20įf/-28įc.

Stick with a *w40, but if you want better cold temperature characteristics then look to a 0w or a 5w. If it was my engine I would be looking to a fully synthetic 5w40 or 0w40.

Last edited by Bailes1992; 01/07/18 12:18 PM.

'17 Volvo V40 D3 Geartronic - Total V-Drive 0w20 & Comma MVATF
'18 Dacia Sandero 0.9T - Fuchs GT1 5w40 & Sintofluid 75w80
'96 LR Defender 300TDi - Fuchs GT1 5w40, Sintofluid 75w80 & Sintopoid 75w90
Re: Tricky visco problem? [Re: Kira] #4626835
01/07/18 12:38 PM
01/07/18 12:38 PM
Joined: Dec 2016
Posts: 7,997
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 7,997
Waco, TX
Originally Posted By: Kira

HERE'S THE PROBLEM:
My friend, who took a detailed lubrication course at his job site, insists that you never venture off the "low number".
He said switching from a 10W-40 to a 10W-30 is OK but never, say, using 0W-30 where a 5W-30 is called for.


I do not see any rationale behind that statement.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Tricky visco problem? [Re: Linctex] #4626866
01/07/18 12:54 PM
01/07/18 12:54 PM
Joined: Mar 2017
Posts: 226
South Wales, UK
Bailes1992 Offline
Bailes1992  Offline

Joined: Mar 2017
Posts: 226
South Wales, UK
Originally Posted By: Linctex
Originally Posted By: Kira

HERE'S THE PROBLEM:
My friend, who took a detailed lubrication course at his job site, insists that you never venture off the "low number".
He said switching from a 10W-40 to a 10W-30 is OK but never, say, using 0W-30 where a 5W-30 is called for.


I do not see any rationale behind that statement.


Agreed, if anything I would say the opposite would be slightly true.


'17 Volvo V40 D3 Geartronic - Total V-Drive 0w20 & Comma MVATF
'18 Dacia Sandero 0.9T - Fuchs GT1 5w40 & Sintofluid 75w80
'96 LR Defender 300TDi - Fuchs GT1 5w40, Sintofluid 75w80 & Sintopoid 75w90
Re: Tricky visco problem? [Re: Linctex] #4626923
01/07/18 01:39 PM
01/07/18 01:39 PM
Joined: Mar 2015
Posts: 12,380
In the shop
53' Stude Offline
53' Stude  Offline

Joined: Mar 2015
Posts: 12,380
In the shop
Originally Posted By: Linctex
Originally Posted By: Kira

HERE'S THE PROBLEM:
My friend, who took a detailed lubrication course at his job site, insists that you never venture off the "low number".
He said switching from a 10W-40 to a 10W-30 is OK but never, say, using 0W-30 where a 5W-30 is called for.


I do not see any rationale behind that statement.



Linctex is exactly right; that statement is bull caca



Re: Tricky visco problem? [Re: puguser] #4626926
01/07/18 01:47 PM
01/07/18 01:47 PM
Joined: Jul 2004
Posts: 12,131
Middlesex County CT
simple_gifts Offline
simple_gifts  Offline

Joined: Jul 2004
Posts: 12,131
Middlesex County CT
Quote:

I always thought the "0W" was more nominative than actual. In fact, there could be no ZERO WEIGHT anything


OT: "W" stands for winter, not weight; it is an almost arbitrary assigned numerical scale.

Regardless, it you believed it stood for weight, do you also believe 0F is "no temperature?" j/k

Last edited by simple_gifts; 01/07/18 01:50 PM.

2004 Prius; 110K; ASL
2007 Yaris 86K 0w-40 Castrol
2006 B2300;132K;ALM


Was driving an ox cart; Now on the USS Enterprise
Re: Tricky visco problem? [Re: puguser] #4626941
01/07/18 02:03 PM
01/07/18 02:03 PM
Joined: May 2006
Posts: 4,077
Central Wisconsin
dwendt44 Offline
dwendt44  Offline

Joined: May 2006
Posts: 4,077
Central Wisconsin
The 40 (as in (0W-40) might take SLIGHTLY longer to
get up to temperature that a -30, but likely not enough
to notice.
0W-40 is popular in Europe.


My 2Ę


There's no such thing as:
Too big of a battery,
Too large of a gas tank,
or too loud of a horn,
or too bright headlights.
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