What can be more frustrating than noises when you start your vehicle… In fact, you plausibly already found out noises when you start your Mazda CX 5 and in most cases it’s frustrating. It might not be anything major, but each new engine starts usually turns into a scary moment during which you don’t know if your engine will start. That is why our team has made the decision to produce this article to help you find its origin. To do this, first, we will see the case of noise when starting on Mazda CX 5 but the vehicle does not start, and finally, the noise you can experience on your vehicle if it starts, first cold and then hot.noise-when-starting-mazda-cx-5

I acknowledge a noise when I try to start my Mazda CX 5, but the engine doesn’t start

I identify a clicking noise at the start of my Mazda CX 5

If you acknowledge a noise when you want to start your vehicle, and it does not want to turn on, it is likely that it is the battery that is causing the problem. In fact, if you notice clicking noise when you start your Mazda CX 5, and it sounds like a ticking, you most likely lack the energy to run your starter, test your battery with a voltmeter and change it if required. In the event that after checking your battery, you still encounter a noise when starting your Mazda CX 5 and it does not want to start, read this article about starter motor noises on Mazda CX 5 for more info and to locate the source of your problem.

I perceive a noise when I start my Mazda CX 5 but the engine it starts

I acknowledge a noise when I start my Mazda CX 5

  • Grinding or squealing type noises when I start cold Mazda CX 5 :
    If you acknowledge a noise when you start your Mazda CX 5, and this noise looks like grinding or squealing noise, which can also be connected to vibrations, it is possible that it is the combustion of your vehicle that is involved. In fact if you have an air/fuel mixture that is not good the normal performance of the engine will be altered. Examine the condition of your injectors and air intake system. For more info on the origins of injection-related noises on Mazda CX 5, consult this content page.
  • Cold start friction parts Mazda CX 5 :
    If you experience cold friction noises on Mazda CX 5, it is almost certain that they come from one of your belts. Either the serpentine belt starts to wear out and therefore causes a friction noise. It is also possible that the tensioner roller or damper pulley is worn out and that as a result the extension belt causes a friction noise, often when cold. Visually examine your belt and change it if needed. If you have other friction noises, and it doesn’t come from your serpentine belt, we have a full article on engine of your Mazda CX 5.

I acknowledge a noise when starting my Mazda CX 5 even when hot

  • rubber mount / silent bloc dead motor
    If you acknowledge a clacking noise when you start your car’s engine and it is more than 100,000 km long, it is possible that some of your engine silentblocks or rubber mounts are dead. And the huge vibrations produced by starting the engine can make starting noise on Mazda CX 5. Examine their condition and change them if needed. Read this article if you would like to have detailed info on rubber mount noises on Mazda CX 5.
  • Motor flywheel
    Finally, if you discern a noise that sounds a little like a crank noise when you start your Mazda CX 5, even when hot, it is possible that if your series is equipped with a dual-mass flywheel, it is the source of your trouble. In fact, these parts have created a lot of trouble on many cars. When they take part in the game they generate noise when you start your Mazda CX 5 and when you turn off the engine. Have his condition examined by a specialist.