XJ4081 wrote:Yes, the 12 also has a kind of tab in the reservoir, but no special marking line like I know it from other cars. So it should be filled to the bottom of that tab when cold? In that case there really might be too much fluid in it.
XJ4081 wrote:It actually wasn't me overfilling it, but the garage where the last maintenance was done, I actually relied on them filling in the right amounts of fluids . One more reason to do everything myself . Ok, so I will remove some of the coolant until it just reaches the white tab.
Would too much coolant and too high pressure also explain why it got hotter than N on stop-and-go or mountainous roads? Or is this just normal for the V12?
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