KRONTEK - News and guidesTechnical guides and news from KRONTEK.https://krontek.it/enEngine coolant: what it does and when to change ithttps://krontek.it/news/engine-coolant-what-it-does-and-when-to-change-it/https://krontek.it/news/engine-coolant-what-it-does-and-when-to-change-it/What the mixture of water and antifreeze in the cooling system does, why the type in the handbook is the only one to use, how the level is checked safely, and when the coolant is changed.Wed, 23 Sep 2026 00:00:00 GMTKRONTEK Technical TeamRadiator caps and expansion tanks: what the pressure doeshttps://krontek.it/news/radiator-caps-and-expansion-tanks-pressure/https://krontek.it/news/radiator-caps-and-expansion-tanks-pressure/Why a cooling system runs under pressure, what the number on the cap means, how the expansion tank takes up the coolant as it heats, and the signs of a cap that no longer holds.Wed, 23 Sep 2026 00:00:00 GMTKRONTEK Technical TeamWhy the air conditioning blows warm and what is checkedhttps://krontek.it/news/why-the-air-conditioning-blows-warm/https://krontek.it/news/why-the-air-conditioning-blows-warm/How the refrigerant circuit cools the cabin, why the most common cause of warm air is a leak rather than a system that needs gas, why the condenser is the usual culprit, and why the receiver drier is renewed with every repair.Wed, 23 Sep 2026 00:00:00 GMTKRONTEK Technical Team