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Thats correct 🙂 The brass fittings in that photo are NPT fittings that I've gotten from the hardware store

Thanks for that, I've been trying to figure this out for a week and this is the first real lead I've gotten. Both the heater core and the coolant sensor have caps. Both caps are aluminum and threaded. I attached two images of the thread measurements that I took and sent to the company. When I...

Yessir. My original post never mentioned cooler lines - my problem is with the heater core and the coolant sensor.

It shows the thread sizes for the cooler lines, but it does not show the thread sizes for the heater core hose and coolant sensor. See the attached image. The one that arrived is different than the one in the photo also, it doesn't have a hose barb on the radiator instead it has a threaded...

My radiator has a leak and needs to be replaced - recommendations on a replacement brands? I got one of these from Alloyworks, but for some stupid reason the threading on the heater core and coolant sensor is not NPT threaded so its impossible to find fittings for it. Thanks guys 🍻

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...