Quizzes & Puzzles4 mins ago
Overcooling Astra...blanking off radiator
Exactly how do you go about doing this, and do others recommend the practice?
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Good luck.
Hi ianass,
It was me that suggested blanking of the radiator.
Like the other driver you make it hard for people to answer questions because you do not give full details of your car!
Again, if your car falls into the same model range as my Astra it is easy to fit a blanking plate, If you slide a peice of waterproofed card into the gap just in front of the radiator it will just sit there and never move.
Mine was permanantly in the car for 4 years and never caught fire!
Changing the thermostat is cheap but unless you are a competant mechanic it would have to be done in a garage if you can find the right sort of thermostat, it is a lot easier and cheaper to use a blank.
with a different rating thermostat this might have to be changed every 6 months, winter and summer!
I used a bit of card for many years on an MBG with no ill effects. Just rember to remove it before a long journey in summer. I later discovered in those days the cooling fan consisted of four blades made up of two pieces of metal bolted onto the water pump pulley. Taking two blades off helped.. In winter the other two were removed and the car ran quite happily without a cooling fan at all. I doubt if you can do this with the modern car.
It may be worth investing in an electric fan which only cuts in when working temperature has been reached. , A company called Kenlowe used to make them, but I don't know if they still exist.
Whatever you opt for it will save you a few bob in fuel costs if you can get your engine up to max temperature asap.
Your temperature guage may just be out of adjustment and any attempt to raise the reading could cause overheating. Fit a new thermostat and see if it is the same before altering other things unnecessarily.
Blocking the rad off stops it from working properly when it really needs to, such as on a motorway, you can't stop to take it out!
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