93 4x4 22re slightly overheating
#1
93 4x4 22re slightly overheating
1993 Toyota 4x4 22re overheating after rebuild, not a good issue to have after everything is brand new. runs great at idle, appears to be good water flow through the new radiator. setting still I can make in start to overheat all I have to do is start throttling and racing the engine 4 or 5 times and the temp starts to climb. I can turn it off and let it set for a minute and temp goes back to normal. if I drive down the road moderately temp stays good, but if I start getting aggressive with accelerator the temps starts to rise. I have not let it get up to the red because I don't want to take any chances. the new long block has a 30,000 mile warranty. thermostat works great at and idle. used a laser temp gun and there is 20 to 30 degree change from top of radiator to the bottom. any suggestion. very puzzling!!!!
#3
fan clutch seems to work when the temp is the normal position you can feel it engaging and disengaging. as far as the air in the system not really sure. I went out this morning popped the rad cap and the water level was fine where I would think it should be. no signs of air but not for sure. it funny because it only does it when I start to race the motor several times..
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