JTRD Operating Specs

[mcheath30]

I have a '21 JTRD that I absolutely love. But I've noticed something that is possibly concerning, and wanted to find out if anyone knows the normal operating specs. Here goes:

I know these things have cooling issues due to the radiators not being large enough, so I constantly monitor engine oil temp. Normal operating temp (for ME) is between 190 and 210. It's not uncommon to see it rise into the high teens. I was recently traveling uphill with no load in relatively cool Temps (OAT 35-40 degrees) and watched the oil temp peak at 230. I wasn't concerned because the "needle" (if you want to call it that) hadn't even hit halfway on the gage.

I've owned a diesel before ('12 Ford F250 6.7 deleted, SWEET truck) and even towing rarely saw oil temps above 225. So, is this normal for this truck, or should I be concerned? I never had any lights or warning signs, and the truck was steady as a rock.

Would appreciate someone "in the know" chiming in. Thanks.

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[Rusty PW]

My '22 JTRD on a 80F day. Water temps are 205 to 220. The oil temps run between 200 to 220. Where I live at. There is a hill we call the Summit. It's over 3 miles long, kind of steep. All 4 lane. 70+ mph all the way to the top. Water temp was around 225 and oil temp was 245.

 

[@californiajeeping]

I see 230 oil temps cruising at 90mpg on the highway if there are any hills.

I also see it around 230 with 90f ambient and lots off acceleration.

Someone needs to put a dang oil cooler kit out there with good spot to mounting.

 

[dcmdon]

Doesn't that thing have an oil cooler??

 

[Rusty PW]

I see 230 oil temps cruising at 90mpg on the highway if there are any hills.

I also see it around 230 with 90f ambient and lots off acceleration.

Someone needs to put a dang oil cooler kit out there with good spot to mounting.

All the companies that made oil cooler kits for diesels are no longer making them because of the EPA. Something about how it effects emissions. Thinking of putting one together. But I need a good picture of the driver side of the motor where the oil filter is.

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