Oil temp

[dnbdamian]

Just got my car back from the dealer, did an oil change and they put the latest ecm update for a recall. I'm currently flashed back to stock. My oil temp now is 217-220 on my drive home. Normally it's at 208 at 35mph. Wth?

What would cause my oil temps to be 10 degrees hotter? Hit 221 on half throttle acceleration.

Thoughts?

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[achan]

I never looked at my oil temps before stage 1 or 3 but mine are around that area when cruising. Seems to be around 208 when idling and can climb into the 230s when doing redline runs. But it tends to cool down rather quickly now that ambient temps are cooler.

[dnbdamian]

208 is normal. My sit at 220 in 20mph driving. Something isn't working. Looks like I'll be taking it back to the dealer. Though they will say they can't find anything I'm sure.

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[widebodyfx]

That's warm, I saw 222 on the dyno after several pulls.

[Dguth]

Yeah, that's pretty high. I'm stage 3 with the Roc Euro intake. My normal driving temp is between low 200s to around 218 in spirited sport driving. Pushing it hard on the track or road race makes it climb to 230 highest but as Achan says it cools off pretty quickly.


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[dnbdamian]

Imagine 221 in stop and go :) . Either my sensor is going bad or my thermostat. Hopefully dealer can see the issue.

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[tenspeed]

and they put the latest ecm update for a recall.

It could be the new ECM version runs hotter for lower emissions.

[dnbdamian]

Naw. This thing goes up to 221 and then back down. It's all over.

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[Time4Audi]

Anyone know what the parameters are for the moving redline, I've started my car with 1 degree oil and the redline is at 4k, engine gets warm and moves to 5k then up to the regular redline.
for those measuring oil temp - do you know what the Oil temp needs to be to get to the full redline?

[agent47]

Afaik it has to be over 180°F

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[wordsworth03]

There is no set temperature. I've seen my car allow full redline while the oil temp is < 140. My commute in the morning is right onto the freeway for about 10 minutes, no traffic. After lots of experimenting, I found that the trigger to allow full redline is letting off the accelerator for 2-3 seconds after at least 4-5 minutes of driving, regardless of oil temp. If I don't let off the accelerator and keep a very constant speed, I can have the car not allow redline even though I have been driving for 10-12 minutes and with an oil temp of > 180 all because I haven't let off the accelerator.

[Maxsteelrs]

Hi everyone sorry to dig up and old thread. Just wanna ask was there any updates on the oil being so high for dnbdamian, as I’m stage 3 and with just 1 or 2 downshift the oil temp goes up a few degrees Celsius and just driving moderately temps are around 107c

[2k16A6]

Funny that I seem to have the opposite problem. I watch my oil temp and drive very easy until oil temp is up to 140, and not really push anything until minimum of 160. The problem I have is that it takes forever to get there. On the highway it’ll warm up fairly quick but most of my driving is on secondary roads where people drive 10 under the speed limit. I have about a 15 minute drive to work and in the cold weather often times the oil temp doesn’t ever hit 140 (lowest temp reading on lap timer). Warmer weather it might get up to 160 but that’s about it. I only see 190+ on the highway.

[MattyMarkey]

Hi everyone sorry to dig up and old thread. Just wanna ask was there any updates on the oil being so high for dnbdamian, as I’m stage 3 and with just 1 or 2 downshift the oil temp goes up a few degrees Celsius and just driving moderately temps are around 107c

From all indications from others and my personally experience, all these temps are in normal operating range. Not sure when fans are set to kick on, probably around the 224-225f range - if you the temps are staying consistent, that’s ideal, so no need worry

If I shift into sport mode, temp will go up a degree - that’s normal since now you’re driving the same speed you already were, in a lower gear and higher RPMs.


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[Wilbur_RS7]

Want to revive this thread. Hopefully someone has some insight. 2015 RS7. My Oil Temp seems to be getting hotter (217-221F) much quicker then before, and then barely cooling down.

Just had my oil changed last week by the dealer. Before they changed it I would rarely ever see above 220... I have been APR Stage 1 tuned since February, and the shop that did the tune also did the turbo oil screen, and of course changed my oil.

The end of July I went on a 1200 mile road trip to Tail of the Dragon. I was obviously driving spirited and I saw it reach 221-225 only after 15 minutes of hard driving. Then I'd slow down or pull over and it'd settle back down to 206 within 3 minutes. I was very impressed. It was 90F outside and I had my A/C on etc.. Now I drive the car (after oil change) and it'll stay around 204-206 if I stay under 3k rpms, but then I do one pull and it'll reach 217, then 219, then 221. It never used to climb so quick. Driving normal it'll go back down to 213, but then I get to a stoplight and it'll climb back up to 217.

Am I being paranoid or did they mess up? Maybe overfilled it or used the wrong oil? I'd like to hear your opinions.

[gk1]

AFAIK the RS7 has an extra auxiliary oil cooler (oil-to-air) with a thermostat set to 230F.
So at least for the RS7 it was somewhat expected by the engineers to occasionally hit above 230 oil temps which means (to me anyway) I would not worry about 220-225.

Now, what I believe you are more worried about is that previously it took 15 minutes of hard driving to reach 225 and now it only takes one hard pull to get to 221 and then stays about 217 when basically idling...correct?

Couple of questions, what is the ambient now?
Also is the A/C now off? (A/C being on would activate the other cooling fan which may keep temps down.)

If your ambient temps are similar to before and A/C is still on then I still maintain your temps are fine, personally I'd want to be over 212 to remove moisture at sea level anyway, but if we must speculate then:
It could be different oil is behaving different. Do you know what they used now compared to before?
I am doubtful of overfill because the dash alerts would yell at you.
Short bursts of speed can cause the oil temps to spike compared to longer spirited runs since presumably there is more air flowing as you continue to drive as opposed to max accel then basically stopping.
Overall I would not be worried, but understand how you might be concerned about any change in behavior.

[Wilbur_RS7]

Now, what I believe you are more worried about is that previously it took 15 minutes of hard driving to reach 225 and now it only takes one hard pull to get to 221 and then stays about 217 when basically idling...correct?

Couple of questions, what is the ambient now?
Also is the A/C now off? (A/C being on would activate the other cooling fan which may keep temps down.)

If your ambient temps are similar to before and A/C is still on then I still maintain your temps are fine, personally I'd want to be over 212 to remove moisture at sea level anyway, but if we must speculate then:
It could be different oil is behaving different. Do you know what they used now compared to before?

Yes, now it only takes one hard pull and it'll climb from 206 up to 220. Just sitting at a light idling doesn't really cool it down either (or as much as before). I've had the car for 3 years and it's just out of the norm for it.

Ambient Temps are about the same (85-90), and A/C is on.

Looked on my reciept and the Indy Shop used Liqui Moly 2331 Leichtlauf High Tech 5W-40.. The Dealer used G-052-167-S0 oil.

I called the Indy Shop and he strongly recommended changing it back to the Liqui Moly. Didn't think it made a huge difference but guess I'll do that.

[gk1]

Yes, now it only takes one hard pull and it'll climb from 206 up to 220. Just sitting at a light idling doesn't really cool it down either (or as much as before). I've had the car for 3 years and it's just out of the norm for it.

Ambient Temps are about the same (85-90), and A/C is on.

Looked on my reciept and the Indy Shop used Liqui Moly 2331 Leichtlauf High Tech 5W-40.. The Dealer used G-052-167-S0 oil.

I called the Indy Shop and he strongly recommended changing it back to the Liqui Moly. Didn't think it made a huge difference but guess I'll do that.

Interestingly the G-052-167-S0 part number is no longer available so I'm not sure why they have it listed. Maybe old stock? But I thought it was discontinued years ago. It was the Castrol 5w-40.
I believe the new (Mobil) VW502/505 oil is p/n GE555401QDSP
The only worry I would have is if they used the new bulk Audi 0w-20 oil for the newer motors but just put the old p/n for the technically correct old Castrol oil for the RS7 motor.
I also believe the new VW504/507 spec oil Audi offers is a 0w-30 p/n GE550301QDSP which might even be ok in the 4.0T, just not the 0w-20, and I'm not sure how a 30 weight would affect temps either.
Anyway, it sounds like you are going to switch back to LiquiMoly. Let us know if the temps drop back to what you had before...certainly would be interesting to know.

[kharizma]

I was curious about temps as well and this thread is useful. My temps stay around 208 in dynamic and S.

[DetroitV6]

Funny that I seem to have the opposite problem. I watch my oil temp and drive very easy until oil temp is up to 140, and not really push anything until minimum of 160. The problem I have is that it takes forever to get there. On the highway it’ll warm up fairly quick but most of my driving is on secondary roads where people drive 10 under the speed limit. I have about a 15 minute drive to work and in the cold weather often times the oil temp doesn’t ever hit 140 (lowest temp reading on lap timer). Warmer weather it might get up to 160 but that’s about it. I only see 190+ on the highway.

This is great to know. It takes my A6 around 15 minutes to reach that minimum lap timer oil temp of 140deg in midwest winter temps right now. Once I can see that temp, it usually then continues to climb up to 190-206 relatively quickly after that. I don't think I've ever seen my temp exceed 210 yet.

[Spitfire007]

I've watched it hit 224, but I was driving hard.
Only oil used is whatever the dealer puts in there.
2016 A6 3.0


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[Arras.Nick]

Few years behind
She loved to run at 195-205 at anywhere from 65-80 ambient (hotter if romping it but cooled down fine)
ARM inlets & intake
197/198-206 was the new base was fine with it.
3 weeks later
Little low (maybe a 1/4 - 1/5) on the oil when i check it in MMI, use LM 5-40, put a little in.

now she lives at 208-217.


16 s6 55k miles

[Arras.Nick]

May I ask what the outcome was?