Just after a bit of information on oil temperatures.

What is the normal running temperature for the 150bhp diesel engine when running for half an hour or more at 70mph + on a motorway?

Mine seems to go up to around 112-118 degrees though off the motorway it rarely exceeds 107 degrees.

Just wondering if my oil cooler thermostat is not opening.

 

In the hot days of summer and with 'extra speed', I've had mine showing 130 for brief periods. Okay so it's a different car but the same 'insides'. I shouldn't worry too much.

Adding an oil temp reading to the dash of new cars without explaining the normal operating temps is a huge mistake on Skoda's part.

When the oil is at operating temp is should be anywhere between 80-130 degrees. Don't think that because it doesn't correlate with the coolant temp stuck at 90 (which actually doesn't in the background) that there is an issue.

Adding an oil temp reading to the dash of new cars without explaining the normal operating temps is a huge mistake on Skoda's part.

When the oil is at operating temp is should be anywhere between 80-130 degrees. Don't think that because it doesn't correlate with the coolant temp stuck at 90 (which actually doesn't in the background) that there is an issue.

Yes but in the manual it says:-

"If the engine oil is in the range 80-110 degrees, the engine operating temperature is reached.

If the oil temperature is lower than 80 degrees or above 110 degrees, avoid high engine revs, full throttle and high engine loads"

This suggests to me it shouldn't normally go above 110 degrees.

mine sits at around 95'c most of the time now unless doing a regen

I've only had one response from a fellow 150bhp diesel owner and that shows a very different oil temperature from mine.

Are there any other diesel owners who are willing to share their oil temperatures when running fast on a motorway please?

I've only had one response from a fellow 150bhp diesel owner and that shows a very different oil temperature from mine.

Are there any other diesel owners who are willing to share their oil temperatures when running fast on a motorway please?

 

I'll measure mine over the next few days for you - 150 DSG Estate aswell.

Regardless of what the owners manual says an engine with an oil operating temp running between 80-130 degrees is perfectly normal and the temps will soar when the engine is under extreme load, eventually cooling again as the load is reduced for a period.

If you had a digital readout for the coolant temp you'd see that this temp acts in the same way and regularly varies between 90-110 degrees though the gauge is set to stay at 90 for comfort reasons and only indicates an issue should it raise above 120/130degrees.

Edited 1 December, 20169 yr by James@RRGRochdale

Oil is a coolant as well as a lubricant.

 

The Antifreeze / Summer liquid coolant gets brought up to its 88*oc or so quickest to then get the Engine / Engine Oil up to the efficient operating temperature.

Then the Coolant / Radiator is constantly trying to get the oil to the lower end of the Efficient Operating Temperature.

ie back into the 90's.

 

Cooling the Pressurised Coolant with the radiator and fans sucking or blowing is easier than cooling Oil even with Oil Coolers/ fans.

Cooling oil cost in economy obviously, just as getting the Coolant up to temperature then the Engine / Engine oil does.

 

Many things change over the decades but the basics of Internal Combustion Engines stays much the same.

Get them up to heat, do not let them overheat, get them back down to the efficient running temperature.

The million dollar question is:

If there was no digital oil temp display, there were no engine issues and you were unaware of the fluctuations in the temperature would you still be concerned?

The million dollar question is:

If there was no digital oil temp display, there were no engine issues and you were unaware of the fluctuations in the temperature would you still be concerned?

 

No.

 

In my opionion is when they are running cold with thermostats stuck open you need to be concerned.

 

Motorway and a regen will spike the temp also.

Oh my, if exhaust gas temps were live on the dash I don't think anyone would want to be in the car!

Highest I've had during a forced regen is just shy of 1000 degrees :s

Regardless of what the owners manual says an engine with an oil operating temp running between 80-130 degrees is perfectly normal and the temps will soar when the engine is under extreme load, eventually cooling again as the load is reduced for a period.

If you had a digital readout for the coolant temp you'd see that this temp acts in the same way and regularly varies between 90-110 degrees though the gauge is set to stay at 90 for comfort reasons and only indicates an issue should it raise above 120/130degrees.

I am not necessarily suggesting that a temperature of 120 degrees is harmful but why does the manual quote 80-110 as the normal operating temperature if it is not and secondly why does another member say his oil temperature does not exceed 95 and mine goes up to 120?

It rather suggests something odd and that is why I am interested to see what other people see on their display.

So when was your car built. how many miles has it covered, has it still got the oil in from the factory, is the oil level where it should be.

What ambient temperatures are there when you are getting the Indicated Oil Temperatures that you are.

Mine hasn't gone past 110 C (that I've seen) even when fully loaded at speed on French motorways last summer.

Because the manual is usually put together by a media team with; zero mechanical knowledge, using technical info thats derived from early stages of R&D, with no experience of the cars in question or their operation.

There's too many variables involved between 2 different cars in 2 different scenarios. You'd have to drive 2 different cars in exactly the same way and monitor the temps. They'd have to be similar mileage and the oil a similar age too.

If I drive a vehicle up the m62 on a test drive I can often exceed 110 degrees without an issue.

Same goes for during passive regens.

Then some how there is much lost in translation from German to Czech or Spanish then to English / American English.

Words used mean different things and the wrong things, Operating Temperature might become Hot or Warm in different owners manuals from VW, Audi, Skoda or Seat and the same engines get different instruction in something as simple as checking the oil level.

Then Tables have misprints on Quantity or spec and that is printed and repeated without correction.

 

Vorsprung durch technik, or not as the case is in Wolfsburg.

Translation is a huge problem in just about every piece of shared text information within the VW group.

Because the manual is usually put together by a media team with; zero mechanical knowledge, using technical info thats derived from early stages of R&D, with no experience of the cars in question or their operation.

There's too many variables involved between 2 different cars in 2 different scenarios. You'd have to drive 2 different cars in exactly the same way and monitor the temps. They'd have to be similar mileage and the oil a similar age too.

If I drive a vehicle up the m62 on a test drive I can often exceed 110 degrees without an issue.

Same goes for during passive regens.

 

 

As long as its only 110 degrees and not 110 mph

As a comparison - i tracked my oil temperature this morning on the way in. Approx 40 miles with 80% on motorway at speed.

 

The temperature barely moved from 106c but did peak at 114c whilst pushing on a bit, but that peak came after I'd slowed down.

So when was your car built. how many miles has it covered, has it still got the oil in from the factory, is the oil level where it should be.

What ambient temperatures are there when you are getting the Indicated Oil Temperatures that you are.

Built February 2016, 9000 miles, still on original oil, oil up to max. Ambient temperatures obviously vary but was up to 118 degrees when 2C last week.

My Alhambra 2.0TDI SCR 150ps / DSG is now at nearly 2,000 miles and getting much the same indicated oil temps even at below freezing temps where i am not doing spirited driving but on dry roads so at NSL's and about that speed. (Average Speed Cameras aplenty.)

 

PS

Ad-Blue range started at 7,000 miles, dropped to 6,500 after 1,500 miles.

and after 1,980 miles is now showing 6,000 mile range.

Edited 2 December, 20169 yr by Offski

Mine stays between 96-103. Highest has been 112 i think, but then it was around 26-27 outside too back in august.

Oh my, if exhaust gas temps were live on the dash I don't think anyone would want to be in the car!

Highest I've had during a forced regen is just shy of 1000 degrees :S

Blimey.

Thought the EGTs on my mapped CR170 were high, but even on a flat-out uphill run I've never got them that high! And during a regen they're lower (around 650º). Different engine/turbo though obviously.

The temperature was during a static regen with the diag machine on the car, in the car park outside the workshop.

I was sat inside the car whilst it performed the regeneration over a 45 minute period.

To say I was a little worried would be an understatement.