Quote:
Originally Posted by High Flier
I had a low coolant light around 3000 miles, with some evidence of coolant leaking around the cap. May have been high pressure due to low coolant? The dealer topped it off and gave me some extra coolant to take home and top it off after the engine cooled down...yes it's lower when cooler. I do have to top it off every 1000 miles or so, but check it regularly now before the light come on.
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Low coolant does not equate to higher pressure.
The difference between low and high mark on the reservoir is 250ml. The coolant light only comes on when you are over 3L low on coolant, meaning you neglected to check and top up coolant for far too long. Also, coolant level is only accurate when engine is cold so be sure to top up then.