Everyone with oil temp issues

ricer333 · 05-13-2009, 11:01 AM

Quote:

Originally Posted by shadyDR

Im looking at getting an A/T 370z for sometime in August. This overheating problem has me reconsidering what I get. I live in NY and this car would be my daily driver. The car would never be tracked, but a little spirited driving once in a while can not be avoided. Should I worry? or should I try getting them to put in an oil cooler?

shadyDR,
I don't want to get off topic, but if you go through the entire post there has been some data captured and recorded by other members. I only know this because I really like this car but this issue has me rethinking it, that and I have some spare time to read 30pgs worth of posts.
Anyways, to sum this up, the AUTO trans don't seem to exhibit this behavior all that much. The theory to this (from what I've been able to gleam from reading) is that the AUTO is much more precise in shifting and will keep the RPM's lower than the typical driver on a M/T.
Second, it seems to have a lot of us worried/concerned in the southern states. I'm originally from Vermont and I would not worry about the Northern areas too much because the heat-to-humidity ratio is nothing compared to Florida, SoCal, Texas, etc.

If you go back in the posts you will see the data collected and compiled regarding people posting with problems that have the A/T vs the M/T.
EDIT: just for quick reference: PG 24, Post #4 by travisjb has some data.
EDIT: There was another word document somewhere but I'm having trouble finding it right now.
EDIT: Oil Temp Survey

As a side note, anyone know if the G37 A/T's have showed this sign? Or even if the M/T's have showed this sign? I have not gotten over to their boards. I do have a co-worker that has the new G37 A/T and again we live in Florida. I will post back if I ever hear of their car going into 'Limp Mode'.

TheWeatherman · 05-13-2009, 11:08 AM

[QUOTE=ricer333;72261]shadyDR,
heat-to-humidity ratio is nothing compared to Florida, SoCal, Texas, etc.

QUOTE]

I don't mean to be this guy Ricer, but just so everyone knows, cars don't feel humidity, but only heat. Your dewpoint/relative humidity is only felt by your skin because we use sweat evaporation as our cooling mechanism. Your ambient temperature is the only factor in a car engine's temperature and its ability to cool itsself. (Sorry, I've taken a lot of classes on this stuff. Just look at my name!

)

ricer333 · 05-13-2009, 11:12 AM

[QUOTE=TheWeatherman;72269]

Quote:

Originally Posted by ricer333

shadyDR,
heat-to-humidity ratio is nothing compared to Florida, SoCal, Texas, etc.

QUOTE]

I don't mean to be this guy Ricer, but just so everyone knows, cars don't feel humidity, but only heat. Your dewpoint/relative humidity is only felt by your skin because we use sweat evaporation as our cooling mechanism. Your ambient temperature is the only factor in a car engine's temperature and its ability to cool itsself. (Sorry, I've taken a lot of classes on this stuff. Just look at my name!

)

Weatherman, you are correct, but still the heat is going to be much higher down south than up north. Not that the north will not have issues, but I'm just pointing this out because down here we are already hitting 90+ degree weather. Vermont was in the 50's this past weekend. But enough of this, just edited the above post to include some of the survey data.

Again any word/knowledge about G37? Thanks and sorry to mis-speak above.

travisjb · 05-11-2009, 07:05 PM

Nick, congrats !

We're not concerned about 220... problems happen above 260

SoCal 370Z · 05-12-2009, 04:30 PM

BIG NEWS!

alan93rsa · 05-14-2009, 09:46 AM

A quick note on my last trip. I drove from Cincinnati to Atlanta for my high oil temps cure. Just after crossing the KY (not jelly) TN border on I-75 you begin a climb up a fairly hilly stretch. The ambient temps were 62-65F. Prior to this the oil temp was running at about 220F. Five minutes into the climb I was at 235F with the cruise on 70 mph.

Back to the latest topic of humidity. Has anyone tried a mister on a car with the oil cooler added? I used one on an inter-cooler once. The mister came on at a preselected boost level. It seemed to help but you needed a lot of water capacity for a hot day using boost on a frequent basis.

Final note: On the way back from Atlanta I had absolutely ZERO oil temp issues.

rackley · 05-14-2009, 06:06 PM

Something that has been bothering me lately:

We have been seeing high oil temps. Nissan included an oil cooler with the preview cars. We "know" high oil temps are a problem. Nissan is coming out with an oil cooler. There are oil cooling kits already on the market. Most people are aware of the oil temp issues.

However, Nissan also included a differential cooler on the preview cars. We don't have an oil temp gauge for the differential oil. If Nissan has data that we don't have (and they obviously do, otherwise they would not have included the oil cooler on the preview cars) it suggests that the differential oil is also likely experiencing undiagnosed/unseen temperature problems as well.

There is very little discussion/data about the differential temps, but Nissan obviously thought there might be a temp problem there, otherwise why would they include a differential cooler? I'm starting to think this may be the underwater part of the cooling iceberg - a potentially big problem, but completely unseen at this point in time.

Zat_Zuma · 05-14-2009, 09:38 PM

Nissan did exactly the same thing when they introduced the 2003 350Z. A differential cooler was installed in their introduction test car to the media and others. The reason: not to overheat and stress out the stock VLSD and show it's inherent weakness with continuous tracking.

Since I believe the 370z's differential is the same as the past 350, the only reason for the diff cooler install in the test car is to prevent the stock VLSD from crapping out on the track test.

Quote:

Originally Posted by rackley

Something that has been bothering me lately:

We have been seeing high oil temps. Nissan included an oil cooler with the preview cars. We "know" high oil temps are a problem. Nissan is coming out with an oil cooler. There are oil cooling kits already on the market. Most people are aware of the oil temp issues.

However, Nissan also included a differential cooler on the preview cars. We don't have an oil temp gauge for the differential oil. If Nissan has data that we don't have (and they obviously do, otherwise they would not have included the oil cooler on the preview cars) it suggests that the differential oil is also likely experiencing undiagnosed/unseen temperature problems as well.

There is very little discussion/data about the differential temps, but Nissan obviously thought there might be a temp problem there, otherwise why would they include a differential cooler? I'm starting to think this may be the underwater part of the cooling iceberg - a potentially big problem, but completely unseen at this point in time.

ChrisSlicks · 05-14-2009, 09:45 PM

Quote:

Originally Posted by Zat_Zuma

Since I believe the 370z's differential is the same as the past 350, the only reason for the diff cooler install in the test car is to prevent the stock VLSD from crapping out on the track test.

Yes, the Viscous LSD turns itself into an open diff when it overheats ... and it doesn't take much to make it do that.

edeeZee · 05-14-2009, 06:18 PM

What's considered normal oil temp? Even in hot (80 degree +) weather.

On 80 degree days, my 370 hits about 220. I read somewhere that if any car hits 260 or near this, you're in trouble?

import111 · 05-16-2009, 10:26 AM

I just removed the rubber insulation where the hood meets the windshield, and removed the engine cover (plastic top that says VVEL and stuff), and removed the covers over the battery and brake fluid area. I am hoping this helps the oil temps keep cool. I will post the results.

My temps have been hitting 240+ daily now since it has been in the high 90's and low 100's.

travisjb · 05-16-2009, 10:31 AM

Quote:

Originally Posted by import111

I just removed the rubber insulation where the hood meets the windshield, and removed the engine cover (plastic top that says VVEL and stuff), and removed the covers over the battery and brake fluid area. I am hoping this helps the oil temps keep cool. I will post the results.

My temps have been hitting 240+ daily now since it has been in the high 90's and low 100's.

I suspect not... I've had all that stuff off since day 1, hasn't seemed to help

Modshack · 05-16-2009, 04:31 PM

My Oil Cooler DIY now in the Tech section..

http://www.the370z.com/diy-section-d...ttsa-pics.html

import111 · 05-16-2009, 07:50 PM

Quote:

Originally Posted by travisjb

I suspect not... I've had all that stuff off since day 1, hasn't seemed to help

You are right. Still hit 240 degrees just going down the freeway.

ZYUL8R · 05-16-2009, 08:29 PM

I've been hitting 260 pretty often when driving here. I called my dealership and they told me that was normal..geez

05-12-2009, 04:30 PM	#5 (permalink)
SoCal 370Z A True Z Fanatic Join Date: Feb 2009 Location: US of A Posts: 2,842 Drives: Answers Rep Power: 34	BIG NEWS! __________________ ( Click to show/hide ) Why I NEVER say NO to the Panda Lou Fusz!!!

05-14-2009, 09:46 AM	#6 (permalink)
alan93rsa Enthusiast Member Join Date: Feb 2009 Location: Ohio Posts: 412 Drives: 16 Cayman GT4 Red Rep Power: 221	A quick note on my last trip. I drove from Cincinnati to Atlanta for my high oil temps cure. Just after crossing the KY (not jelly) TN border on I-75 you begin a climb up a fairly hilly stretch. The ambient temps were 62-65F. Prior to this the oil temp was running at about 220F. Five minutes into the climb I was at 235F with the cruise on 70 mph. Back to the latest topic of humidity. Has anyone tried a mister on a car with the oil cooler added? I used one on an inter-cooler once. The mister came on at a preselected boost level. It seemed to help but you needed a lot of water capacity for a hot day using boost on a frequent basis. Final note: On the way back from Atlanta I had absolutely ZERO oil temp issues. __________________ 16 Cayman GT4, Carmine Red, Buckets, PCCB etc.

05-16-2009, 04:31 PM	#13 (permalink)
Modshack A True Z Fanatic Join Date: Mar 2009 Location: Greenville NC Posts: 2,883 Drives: 370Z Sport Rep Power: 977	My Oil Cooler DIY now in the Tech section.. http://www.the370z.com/diy-section-d...ttsa-pics.html __________________ Steal my car! (SOLD)...Now Porsche Cayman S Oil Cooler DIY: Here!

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
What engine temp are you normally around?	RCZ	Engine & Drivetrain	92	06-25-2016 02:58 PM
Warm Up / Oil Temp Gauge	TacoZ	Nissan 370Z General Discussions	8	12-18-2008 02:33 PM

05-13-2009, 11:08 AM	#2 (permalink)
TheWeatherman Enthusiast Member Join Date: Mar 2009 Location: Milwaukee, WI Posts: 265 Drives: 2009 370Z 6MTw/Sport Rep Power: 17	[QUOTE=ricer333;72261]shadyDR, heat-to-humidity ratio is nothing compared to Florida, SoCal, Texas, etc. QUOTE] I don't mean to be this guy Ricer, but just so everyone knows, cars don't feel humidity, but only heat. Your dewpoint/relative humidity is only felt by your skin because we use sweat evaporation as our cooling mechanism. Your ambient temperature is the only factor in a car engine's temperature and its ability to cool itsself. (Sorry, I've taken a lot of classes on this stuff. Just look at my name! )

05-11-2009, 07:05 PM	#4 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 189	Nick, congrats ! We're not concerned about 220... problems happen above 260

05-14-2009, 06:06 PM	#7 (permalink)
rackley Base Member Join Date: Mar 2009 Location: Charlotte NC Posts: 77 Drives: 09 370Z Sport-Yellow Rep Power: 17	Something that has been bothering me lately: We have been seeing high oil temps. Nissan included an oil cooler with the preview cars. We "know" high oil temps are a problem. Nissan is coming out with an oil cooler. There are oil cooling kits already on the market. Most people are aware of the oil temp issues. However, Nissan also included a differential cooler on the preview cars. We don't have an oil temp gauge for the differential oil. If Nissan has data that we don't have (and they obviously do, otherwise they would not have included the oil cooler on the preview cars) it suggests that the differential oil is also likely experiencing undiagnosed/unseen temperature problems as well. There is very little discussion/data about the differential temps, but Nissan obviously thought there might be a temp problem there, otherwise why would they include a differential cooler? I'm starting to think this may be the underwater part of the cooling iceberg - a potentially big problem, but completely unseen at this point in time.

05-14-2009, 06:18 PM	#10 (permalink)
edeeZee Track Member Join Date: May 2009 Location: s. cali, los angeles Posts: 627 Drives: 09 370z plat 6 speed Rep Power: 266	What's considered normal oil temp? Even in hot (80 degree +) weather. On 80 degree days, my 370 hits about 220. I read somewhere that if any car hits 260 or near this, you're in trouble?

05-16-2009, 10:26 AM	#11 (permalink)
import111 Track Member Join Date: Feb 2009 Location: Tucson, AZ. Posts: 622 Drives: 09 Nissan 370Z Rep Power: 192	I just removed the rubber insulation where the hood meets the windshield, and removed the engine cover (plastic top that says VVEL and stuff), and removed the covers over the battery and brake fluid area. I am hoping this helps the oil temps keep cool. I will post the results. My temps have been hitting 240+ daily now since it has been in the high 90's and low 100's.

05-16-2009, 08:29 PM	#15 (permalink)
ZYUL8R Base Member Join Date: Apr 2009 Location: Corpus Christi, tx Posts: 140 Drives: 09 370z T/S, 03 S2K Rep Power: 16	I've been hitting 260 pretty often when driving here. I called my dealership and they told me that was normal..geez