What could possibly be more annoying than noises when you start your car… In fact, you probably previously heard noises when you start your Mazda CX 7 and generally it’s frustrating. It might not be anything severe, but each new engine starts usually becomes a scary moment during which you don’t know if your engine will start. That is why our editorial staff has made the decision to compose this document to support you find its source. To do this, first, we will see the case of noise when starting on Mazda CX 7 but the car does not start, and finally, the noise you can encounter on your car if it starts, first cold and then hot.
I listen to a noise when I try to start my Mazda CX 7, but the engine doesn’t start
I find a clicking noise at the start of my Mazda CX 7
If you listen to a noise when you want to start your car, 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 listen clicking noise when you start your Mazda CX 7, and it sounds like a ticking, you most likely lack the energy to run your starter, check your battery with a voltmeter and change it if required. In case that after checking your battery, you still experience a noise when starting your Mazda CX 7 and it does not want to start, browse this article content about starter motor noises on Mazda CX 7 for more details and to discover the origin of your problem.
I experience a noise when I start my Mazda CX 7 but the engine it starts
I listen to a noise when I start my Mazda CX 7
- Grinding or squealing type noises when I start cold Mazda CX 7 :
If you listen to a noise when you start your Mazda CX 7, and this noise is like grinding or squealing noise, which can also be relating to vibrations, it is plausible that it is the combustion of your car that is involved. In fact if you have an air/fuel mixture that is not good the normal running of the engine will be altered. Verify the condition of your injectors and air intake system. For more details on the origins of injection-related noises on Mazda CX 7, check out this content page. - Cold start friction parts Mazda CX 7 :
If you experience cold friction noises on Mazda CX 7, it is almost certain that they come from one of your belts. Either the serpentine belt starts to wear out and therefore triggers a friction noise. It is also plausible 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 result from your serpentine belt, we have a full article content on engine of your Mazda CX 7.
I listen to a noise when starting my Mazda CX 7 even when hot
- rubber mount / silent bloc dead motor
If you listen to a clacking noise just when you start your car’s engine and it is more than 100,000 km long, it is plausible that some of your engine silentblocks or rubber mounts are good to be swapped. And the huge vibrations produced by starting the engine can make starting noise on Mazda CX 7. Verify their condition and swap them if needed. Consult this article content if you would like to have detailed details on rubber mount noises on Mazda CX 7. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Mazda CX 7, even when hot, it is plausible that if your series is equipped with a dual-mass flywheel, it is the origin of your trouble. In fact, these parts have created a lot of trouble on many automobiles. When they take part in the game they generate noise when you start your Mazda CX 7 and when you turn off the engine. Have his condition inspected by a specialist.
