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8

You should leave them just about snug, if not just a little loose. If you tighten them before you put it on the ground, when you do get the car on the ground, there will be tension on the parts, which means it will wear quicker. So, leave them a little loose, then tighten once on the ground ... there's no worries about safety when doing so. It's not like its ...


4

I don't like those "preprinted" marks anyway. You are much better off following the sprocket alignment pictures below. After the belt is installed and the tensioner properly set, crank the engine over BY HAND (in the running direction) at least four full revolutions, and check that all marks come back to perfect alignment. I've done dozens of these, and ...


1

My guess would be electrical connection loss due to heat. Remember that the "engine temperature" you're reading is the coolant temperature, and something farther away from the engine that isn't directly in contact with the block will take longer to heat up. Perhaps some form of wiring is breaking or otherwise losing contact due to thermal expansion, but ...


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