I need some advise, first time posting on here. S 740 overheats at full throttle just sitting, idle it down the temperature gauge drops to normal in less than a minute. I will try to post a video of the gauge panel. Anyone let me know what you think, I am wondering if the water pump is either slipping or failing. Thanks for any input. https://photos.google.com/photo/AF1QipOZID7uIRu0iIgt9LirCHWw7Pg044W2xLPWllnp
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