What did you do to your NNBS GMT900 Tahoe/Yukon Today?

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kbuskill

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yes, and normally it should be around 180deg (I think)

I wonder if HPTuners can read it too then... hmmmmmmm

I know the dash will display trans oil temp. I really wish oil temp was an option. :/

If I remember right, the oil temperature is calculated and not actual. On a hot day mine has been over 200 degrees and it has the factory cooler too!

I do not have the factory oil cooler in the radiator but I do have a 13 row aftermarket oil cooler that is approximately 8" x 10" x 1.5" along with the dual remote mount oil filter setup, so my oil system holds approximately 9qts total... and my oil temperature runs anywhere from 200° - 215° ... this is read via the OBD2 port using the Torque Pro app.

This is what my oil cooler looks like...
rps20190921_104657_473.jpg

This is in FL in summer though.

Just FYI.
 
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My oil temp gets up to about the same as engine coolant temp sometimes (200*) and I view it on my phone with the Torque Pro app

2001 Yukon SLT
2012 Yukon Denali XL
2011 Yukon Denali RIP 5/20/18
 

kbuskill

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My oil temp gets up to about the same as engine coolant temp sometimes (200*) and I view it on my phone with the Torque Pro app

2001 Yukon SLT
2012 Yukon Denali XL
2011 Yukon Denali RIP 5/20/18

My coolant temperature usually stays around 192°- 195°... per the Torque Pro app... but the gauge on the dash reads right in the middle at 210°.
 
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My coolant temperature usually stays around 192°- 195°... per the Torque Pro app.
Yeah, I said "about" lol
My engine temp is usually just under 200, like 195 or so, maybe 192, I really don't remember exactly.... Lol

I think the stock tstat is 195?

2001 Yukon SLT
2012 Yukon Denali XL
2011 Yukon Denali RIP 5/20/18
 

sonic_the_hedgeh

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Really odd that awd systems may not like all terrain tires.ine came with all terrain tires and the transfer case seems fine. Oh well.

Sent from my CLT-L04 using Tapatalk
 

Doubeleive

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I wonder if HPTuners can read it too then... hmmmmmmm

I know the dash will display trans oil temp. I really wish oil temp was an option. :/
I can check again to see what temp mine runs I could have swore it was the 180's but that could have been during wintertime, I monitored it once and figured it was good
 

Rocket Man

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My coolant temperature usually stays around 192°- 195°... per the Torque Pro app... but the gauge on the dash reads right in the middle at 210°.
The stock thermostat is 187. Has been forever, but for some reason our gauges point straight up at 210. I think GM did that on purpose just so it looked “right”. I’m pretty sure they’re not running 210.
 
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The stock thermostat is 187. Has been forever, but for some reason our gauges point straight up at 210. I think GM did that on purpose just so it looked “right”. I’m pretty sure they’re not running 210.
My Scanguage on the 2001 would normally show a coolant temp of 198 and the temp guage would be straight up, just shy of the 210 mark.

Sometimes when really hot out and idling in traffic, the Scanguage temp would get up to 201 and sometimes up to 204, but the dash guage was still reading the same



2001 Yukon SLT
2012 Yukon Denali XL
2011 Yukon Denali RIP 5/20/18
 

swathdiver

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Really odd that awd systems may not like all terrain tires.ine came with all terrain tires and the transfer case seems fine. Oh well.

I read that somewhere but while searching for cars lately have seen more than a few AWD Denalis with AT tires on them. I reckon as long as they are the same tread depth it should be fine; causing no more wear to the drivetrain than if it was 2WD or in 4WD.

The stock thermostat is 187. Has been forever, but for some reason our gauges point straight up at 210. I think GM did that on purpose just so it looked “right”. I’m pretty sure they’re not running 210.

The dash gauge is purposely dumb so as not to raise alarms with little fluctuations. I see the same temps with mine, she runs between 192-197 most days.

The thermostat is called a 187 as that is when it begins to open and is fully open by 195. In the old days we ditched those 180 thermostats for 160s and saw better performance. There is all kinds of debate as to why it should not be done today and based on my own experience am not buying it. Heat does make horsepower but my main reason for leaving the thermostat is to keep that steady temperature which in my mind keeps the aluminum block and heads happy and together (thermal expansion) along with that plastic intake. Having said that, I do believe that the cooling system has the capacity to handle a slightly cooler thermostat, a 174 and I may do that one day. Too much heat is an engine's enemy as well.

A fella with one of these modern trucks has used a cooler thermostat and improved his fuel economy, just like in the old days and counter to current thinking. I think the "current thinking" is more focused on emissions than performance, horsepower, gas mileage or otherwise.
 

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