I would like to install an oil temp sensor in my 2014 Suburban. I haven't been able to find any information out about it. Any advice or how-to info is appreciated.

 

I wouldn't worry about your oil temperature or installing a gauge. More important is oil pressures and using good synthetic motor oil and changing it on time. As a professional Driver we used to have temperature sensors for motor oil, transmission oil and even axle oil temperatures, but even those are mostly gone on modern semi-trucks, so why add a gauge that you don't really need?

 

If you are concerned about the oil temp, you can install an oil cooler. I had my suburban instrument cluster "fixed", while at it I had them add a transmission temperature gauge. Until now, I'd never pulled a trailer with a vehicle with automatic transmission.

 

I know you are an old-timer here, kevinkpk, but in my experiences with light vehicles, the best way to make an automatic transmission last longer, pulling trailers or having a pickup truck loaded down with lots of heavy things or items, is to have a transmission fluid air-cooler installed, if it didn't come with one already. The radiator only fluid cooling just doesn't cut it at all.

As you likely already know, but for the benefit of the newer posters here, just cooling the fluid down with the transmission fluid to the radiator might be okay in a car or a pickup truck that's not used to haul much, but an air-cooler for the transmission fluid mounted in front of the vehicle radiator, is the only way to go.

These new semi-trucks with auto-shift transmissions, use a huge air cooler to keep the transmission fluid heat down pulling heavy loads uphill. Personally I don't like auto-shifts, and prefer manual stick-shifts in semi-trucks, but I grew up with them, and shifting a non-synchronized transmission becomes "automatic", after a bit of time behind the steering wheel, shifting gears.

 

I have a radiator that I can use for a transmission cooler. Pulling my RV with 03 suburban even hot weather it never reached 200 f. I had just never pulled a trailer with an automatic transmission before. Son works at a shop that does refrigeration, and diesel trucks. This thing is a small radiator that would plumb into the transmission cooling lines, and set behind the radiator, but I don't think it will be required.