Originally Posted by
daz1968
Do you still have the plastic duct from front bumper to intercooler fitted to your car as I thought a combination of this and the radiator end tanks having a foam seal on them where they touch the intercooler is more than enough
the intercooler is an rs500 style in front of the rad, so no duct.
The problem has not appeared again - I do wonder if a air pocket or temporary blockage in the system could have caused this. I did fill the gaps on top and bottom between ic and rad, but seems odd if that could be the cause.