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What about the question I just asked? intermittent...

Thanks for the detailed write up milcommoguy. the issue seemed to have cleared up(at least for a little while) after I added power steering fluid(which was a bit low). however, the problem seems to be back. but it really does seem to come and go. can the cadillac valve or TDM fail...

OK finally got around to getting insurance and registration, drove it on the road for the first time and the fan kicked on every time the gauge needle pointed straight up(I think that's about 220deg). My thermostat might be ok, need to put new batteries in my laser thermometer. I'm guessing...

but isn’t one of the testing methods for a bad head gasket to do an oil analysis for coolant in the oil? i saw a video of a really bad leak where coolant actually came out first when draining oil from the pan. i guess the symptoms vary depending on where and how bad the leak. im still hoping i...

i was just thinking about this again as i continue to worry🙁. if there was a head gasket leak or crack, wouldn’t the pressure escape back through it, especially if given a month?

how best to test the TCM and the switch?

just checked it. yes it turns on immediately.

Well I'm not building 15psi but there is some faint pressure when I open the cap after running for a minute. I did run the engine with the cap off and stared into the tank for about 30 sec to see if any bubbles show up. did not see any trace. any other simple ways to rule out head gasket or...

ok so i haven’t had time to really look into this further yet but your replies got me to go to the truck and at least see the current situation. after last shutting down of the engine(at about “240”degrees), the level was at the fill line. right now it was at about halfway up, and when i took...

Hey Dock Rocker, the thing is that in the past I have in fact witnessed the fan kick on when the gauge showed just above 200. But I will do as you suggested and use my laser thermometer. I am concerned about what suzucovich mentioned regarding air in the coolant lines. It kind of makes sense...

I've been running the engine for about 15min about once a month since autumn. been too busy to get it ready for inspection. it's been a long winter here in the northeast.. Anyways, today as I always do, I checked the oil level but also coolant. The coolant seemed low so I opened the fill cap and...