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out of shop - now overheating
I had a new engine put in my 89 3.0 3zve and now it is running abnormally hot. Before it was in the shop the temp gauge never got above 1/4. Now the temp is fine until I go up a hill (engine under a load). Then it starts climbing and the temp keeps rising until I pull over and let it cool off because it gets that close to the red. I put a new 180 degree thermostat in and think I got all the air out. It's got a new 9psi radiator cap. The water pump is good because it is pumping water. It doesn't make sense that the radiator or fan clutch would suddenly go bad. I wonder, could it be that the timing isn't set right and the belt isn't turning fast enough, causing the fan not to pull in enough air? I could let it idle and run flat all day without it overheating, but as soon as I start climbing a steep hill, there she goes. Any thoughts?
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