I’ll check tomorrow with my hand held I’ll report back. I soaked rad cap in soapy water for a bit too, it will only go above the 100* mark on the gauge cluster if you put in drive and hold the break at idle for awhile, fans DO kick on but only when at about 106* roughly on the cluster. Which is not normal for this truckit would never rise above 100. Soon as fans kick on or you turn AC on it cools off instantly..
Prokopchuk_9 started following 2011 1500 Sierra w/t overheating at idle or slow speeds
So, I have a 2011 Sierra half ton, it’s overheating at idle in gear. In park it won’t. Soon as you start moving it cools off, the fans do turn on but they don’t seem to turn on fast enough. It’s already starting to overheat by the time the e fans kick on. Soon as you start moving, cools right off instantly. This tells me maybe sticky t stat? Maybe coolant temp sensor? What temp are the fans supposed to kick on? Thoughts...tia
Went with the same turbos for now due to funds (or lack of lol) but sometime soon, I'm going to be ditching the twins. Going with a single, s467 single turbo. Fixed vane, external waste gate. Made a few other changes as well. But for now same HP as before, I could crank it up. But I'm gonna let it break in nicely.
Motor is complete, took forever for me to afford it LOL. I ended up having our new baby, had to relocate my family 2000 miles for work, into a new home now. Paid off my motor, it's completed just have to go get it in Edmonton now. Sorry for the long wait!! Feels like forever haha...she will live to rumble again pretty soon here!
Duramax are always short, I run it back thru and tie wrap it to the upper control arm area in the wheel well. Stays clean and easy to get too and it's not comin out the hood. Might be easier because mine is lifted tho...
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