Firstly,
Is the fan cutting in when it gets hot? If not repair the fault so that it does.
If the fan is working properly:
How old is the anti-freeze mixture? If old drain it out, flush the system thoroughly, make sure you include the radiator, and refill will fresh anti-freeze solution.
ChicksFan
August 2010
Have you done the headgasket?thermostat?
wickham
August 2010
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