Thread: What TDV6/SDV6 engine oil are you using?

Originally Posted by TopEndThom

A brand new Ford Territory engine went in along with new turbo and intercooler.
Anyone know if there were crank or bearing improvements on that vintage engine?

No one seems to know,but the Territory 2.7 Diesel engines seem very reliable if serviced correctly,with no apparent crank failures.
Same as 2.7 D4 engines.

Originally Posted by scarry

No one seems to know,but the Territory 2.7 Diesel engines seem very reliable if serviced correctly,with no apparent crank failures.
Same as 2.7 D4 engines.

Bearing failure which leads to crank failure in a sequence of steps

Originally Posted by scarry

No one seems to know,but the Territory 2.7 Diesel engines seem very reliable if serviced correctly,with no apparent crank failures.
Same as 2.7 D4 engines.

It goes well so fingers crossed. My oil and filter change interval is 7,500km which gives me more piece of mind.

Originally Posted by PerthDisco

Bearing failure which leads to crank failure in a sequence of steps

I think Scarry was referring to nobody knowing if the Terry engine had updates or not.

Originally Posted by DiscoDB

Thought I would resurrect an old thread given recent discussions around 2.7 crank failures and specifically the spun bearing risk. My comments relate specifically to the 2.7TDV6.

I note some people use the Penrite Full Synthetic 5W-30. One thing to be mindful of is this oil gets very thin above 100degC. The Kinematic viscosity at 100degC is just below 10cSt.

If working the car hard in warm to hot weather the oil temp can hit 110-120degC, and at this temp the Penrite Full Syn 5W-30 can be as low as 6-8cSt. This oil may be OK for when the engine was new and still tight, but it is probably best suited for if you live in a cold climate area and the oil temp rarely gets above 90degC.

If sticking with a 5W-30 oil, then consider Castrol Edge A3/B4 5W-30. This oils spec is mid way between the Penrite Full Syn 5W-30 and HPR5 5W-40 and retains around 12cSt at 100degC.

Otherwise consider using Penrite HPR5 (5W-40) which has just over 14cSt at 100degC as this will give that little bit of extra buffer margin in hot weather. And it meets the Ford 913B spec.

And for added peace of mind, the specs for HPR5 at 100degC is very similar to the Total Quartz 7000 Semi-Synthetic 10W-40 oil which Citroen recommended for the 2.7 in “Temperate” to “Hot” climates.

The Penrite Full Synthetic 5W-30 looks to be a bit of an anomaly if the published technical data is correct as it is actually thinner at 40 and 100degC than HPR0 0W-30.

I teach apprentices about oils. I tell them to never trust penrite. The extra 10 is in the wrong place. It ****s me. This break im doing an oil pressure test on a 280k D4 3.0l at various temps to see what the pressure is. I'll happily share my equipment with a 2.7 owner for the same info.
Ultimately you want the oil thick enough to maintain pressure at heat. But, no thicker. Anything above the pressure set is bypassed to sump and counter productive. It would be a good group idea to test a few engines and come up with an appropriate oil spec for the masses

Originally Posted by TopEndThom

It goes well so fingers crossed. My oil and filter change interval is 7,500km which gives me more piece of mind.

You will be fine,never seen a D4 2.7 or Territory engine failure mentioned on here.

Its the 3L that is the culprit,even so its pretty rare,although as they get older i suppose the issue will become more common.

Originally Posted by scarry

You will be fine,never seen a D4 2.7 or Territory engine failure mentioned on here.

Its the 3L that is the culprit,even so its pretty rare,although as they get older i suppose the issue will become more common.

OK - I could not resist. A Ford Territory 2.7 test mule had a bearing failure at the launch. Ford claimed it was a one off event never seen before with this engine. 🤣🤣🤣

Turbodiesel Territory on Test

To be fair, the engine had not even been run in before it was loaded up with a Caravan on the back.

Originally Posted by josh.huber

I teach apprentices about oils. I tell them to never trust penrite. The extra 10 is in the wrong place. It ****s me. This break im doing an oil pressure test on a 280k D4 3.0l at various temps to see what the pressure is. I'll happily share my equipment with a 2.7 owner for the same info.
Ultimately you want the oil thick enough to maintain pressure at heat. But, no thicker. Anything above the pressure set is bypassed to sump and counter productive. It would be a good group idea to test a few engines and come up with an appropriate oil spec for the masses

Love a good experiment. Can’t want to see the results.

Never understood the Extra 10. Guess that is like dialling up 11.

I am fitting an oil pressure gauge to my D3. Only having an idiot light annoys me. Too high of an oil pressure when cold does worry me as well and was planning to assess if I should change back to 5W-30 for winter. During Melbourne winters, the oil temp rarely gets above the water temp.

With the Td5 when I was back in WA, I used to run a thinner oil in winter (HPR5D) and then changed to a thicker oil in summer (HPR10D) and this worked well for me.