What could possibly be more distressing than noises when you start your vehicle… Indeed, you probably previously discovered noises when you start your Mercury Mariner and usually it’s frustrating. It may not be anything critical, 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 editorial staff has chosen to prepare this document to help you find its origin. To do this, first, we will see the case of noise when starting on Mercury Mariner but the vehicle does not start, and finally, the noise you can experience on your vehicle if it starts, first cold and then hot.
I listen to a noise when I try to start my Mercury Mariner, but the engine doesn’t start
I find a clicking noise at the start of my Mercury Mariner
If you listen to a noise when you want to start your vehicle, and it does not want to turn on, it is most likely that it is the battery that is causing the issue. Indeed, if you listen clicking noise when you start your Mercury Mariner, and it sounds like a ticking, you almost certainly lack the energy to run your starter, test your battery with a voltmeter and swap it if required. In the case that after looking at your battery, you still experience a noise when starting your Mercury Mariner and it does not want to start, refer to this content page about starter motor noises on Mercury Mariner for more info and to find the origin of your issue.
I notice a noise when I start my Mercury Mariner but the engine it starts
I listen to a noise when I start my Mercury Mariner
- Grinding or squealing type noises when I start cold Mercury Mariner :
If you listen to a noise when you start your Mercury Mariner, and this noise is like grinding or squealing noise, which can also be linked to vibrations, it is conceivable that it is the combustion of your vehicle that is involved. Indeed if you have an air/fuel mixture that is not good the normal operation of the engine will be altered. Verify the state of your injectors and air intake system. For more info on the origin of injection-related noises on Mercury Mariner, browse this article content. - Cold start friction parts Mercury Mariner :
If you know cold friction noises on Mercury Mariner, it is pretty much sure 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 conceivable that the tensioner roller or damper pulley is worn out and that as a result the extension belt triggers a friction noise, often when cold. Visually verify your belt and swap it if needed. If you have other friction noises, and it doesn’t originate from your serpentine belt, we have a full content page on engine of your Mercury Mariner.
I listen to a noise when starting my Mercury Mariner even when hot
- rubber mount / silent bloc dead motor
If you listen to a clacking noise just as you start your car’s engine and it is more than 100,000 km long, it is conceivable that some of your engine silentblocks or rubber mounts are dead. And the huge vibrations generated by starting the engine can make starting noise on Mercury Mariner. Verify their state and replace them if needed. Browse this content page if you would like to have detailed info on rubber mount noises on Mercury Mariner. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Mercury Mariner, even when hot, it is conceivable that if your series is equipped with a dual-mass flywheel, it is the origin of your concerns. Indeed, these parts have created a lot of concerns on many automobiles. When they take part in the game they produce noise when you start your Mercury Mariner and when you turn off the engine. Have his state checked out by a mecanist.
