Good apologize if the subject dives, but I see that many people have temperature problems, and there are thousands of questions, if each one says the tips of things that happen that they are not logical and we review the refrigeration failures we can kill all the birds of a single shot:
I have a Seat Cordoba, 97, 1.4, the temperature does not low from half System, I put refrigerant, the thermostat opens, the good sleeves, I did not measure the pressure of the pump, but when the output rubber pulls tightly, the strap of the times is good, if I go on the highway, the temperature should lower and it comes to do it sometimes, go down this low time and climb up again, in cases so what is done? The engine has 120mil km, it has no strength problems or anything like that, in cases so I don't know what to think !!