allmightyASTON Posted February 7 Share Posted February 7 This year, my 2021 CX-30 Turbo fails to generate warm air as it previously did; while parked and revving the engine, the air becomes much warmer but rapidly cools when idling. Dealer help will take a couple of weeks or more. Therefore, I intend to tolerate this issue and have it examined at my next service in the summer. Quote Link to comment Share on other sites More sharing options...
rab60bit88 Posted February 7 Share Posted February 7 Is the engine coolant temperature much lower than the optimal range? Is the temperature indication on the dashboard capped at a lower level than previously? If such is the case, you likely want a new coolant temperature control device, often referred to by seasoned individuals as a thermostat. Quote Link to comment Share on other sites More sharing options...
bl52krz Posted February 7 Share Posted February 7 because to the elevated temperatures when revving, ensure there is no coolant loss and/or air entrapment in the system. Additionally, verify if your model is equipped with active air dampers. They may be inadvertently left open. Quote Link to comment Share on other sites More sharing options...
allmightyASTON Posted February 7 Author Share Posted February 7 The temperature gauge indicates a consistent reading; nevertheless, I suspect the issue lies with either the thermostat or the heat sensor. Having driven several older vehicles, including my first used car from 1958, I can manage this situation. Modern vehicles exhibit superior performance; today, at -17°C, the windscreen was clean by the time I arrived at Tim Hortons. I want to schedule an appointment with the dealer for repairs, since their expertise is specialised in Mazda, and they may be familiar with the issue I am experiencing. I am a former marine engineer, and we often discussed our profession over a few drinks (rum), and your contributions were always appreciated. much appreciated Salutations Quote Link to comment Share on other sites More sharing options...
Needsnewtyres2 Posted February 7 Share Posted February 7 Have you replaced the in-cabin air filter? Quote Link to comment Share on other sites More sharing options...
allmightyASTON Posted February 7 Author Share Posted February 7 Affirmative Quote Link to comment Share on other sites More sharing options...
allmightyASTON Posted February 7 Author Share Posted February 7 I visited the Mazda repair shop to speak with the manager and technician. We had a productive discussion and concluded that the issue may be an air bubble, especially considering the impending transition from cold winter weather and the two-week wait for an appointment. I will take the vehicle in for summer maintenance, during which they will inspect everything thoroughly. This location is not where the vehicle was acquired, but it is nearby. They fitted a whole set of wiper blades at no charge after the purchase and replaced two batteries in my key fob. As I neglected them, I almost depleted my resources. However, their service staff was very accommodating and would handle my forthcoming tasks. Sales personnel and service representatives are distinct entities. Salutations Quote Link to comment Share on other sites More sharing options...
allmightyASTON Posted February 7 Author Share Posted February 7 😊 Quote Link to comment Share on other sites More sharing options...
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