My 2000 Camry is overheating,
I checked that the radiator hose gets hot so I assume the thermostat is flowing. The
two cooling fans next to radiator only come on when AC is on. A mechanic replaced a
cooling fan fuse and found some wires a mess and taped them and replaced the fuse
and when driving last night, the radiator hose popped off from pressure and lost all the
anti freeze. What could this be?
Sound,s like your water pump may be bad.
Bad radiator clamp or carelessness on the clamp to cause the hose to pop off. Put the hose back and clamp it properly and with the system sealed properly the overheating problems might go away.
If you haven't replaced your thermostat, I would do that first. I would also purchase an air bleed kit to make sure that there will not be a large air bubble now that your hose popped off and blew out a ton of fluid. An air bubble problem will have you chasing your tail for quite a while. Just to be safe, I would also replace the radiator temp sensor. That may be causing your fans not to come on when they should.
Start with the basics, check radiator for white stuff, (mineral build up in core). If the radiator is clogged or rusty as well, start with a new radiator or have yours cleaned at a radiator shop. Make sure it is then filled with the proper 50% mix of antifreeze/ and distilled water only.
Take the wire off switch for fan ground it the fan schould come on If not the fan relay is bad easy to fix gota Ove it
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