Question about 1993 Nissan Pathfinder
Not a whole lot can cause overheating but at first thought sounds like your water pump may not be pumping sufficiently. usually there will be a sign of seepage coming out of a weep hole in the bottom of the water pump, or it will be making a squeaking noise. could be possible that your thermostat could be clogged which would also explain the heater issue as well as the extra rpm needed to cool the engine. first thing i would check is the radiator cap seals. if that is ok i would change the thermostat. those are the two easiest and cheapest fixes if thats not it poss. will be the water pump. also the reason it could be cooling when you rev it up because if im not mistaking it has a clutch fan and the faster the rpm the faster it turns
Posted on Aug 07, 2010
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Posted on Jan 02, 2017
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