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Thanks Barrman, After some work this weekend, this is what I've got: Is that the same as what you were saying about yours? (no wait light in my video because it was from a warm start) The coolant temp sensor on the front drivers side of the engine seems to have failed. It reads infinite...

Thanks for doing that! That info is super helpful. 🍻 I suspected the coolant light should turn on with the key, but mine does not. One more thing for me to dig into before getting on the road. I always like to check this kind of stuff when getting an older vehicle, because sometimes you find...

Thanks Barrman, that's helpful. So the Coolant Temp Warning Light does not come on with the key on? Just want to confirm. The TM says the engine operating temp is 180-260F, so is it safe to assume that the Coolant Temp Warning Light comes on around 260+? I suppose I can idle it longer and...

Hi all, I just got a 1987 M1008 and I'm combing through it for issues. I originally cut my teeth working on OBS Chevy's, but squarebodies and diesels are new to me. I have all the TMs that I could find, but there's a few things I couldn't find answers for. Here's the issues I've found so far...