What can be more disturbing than noises when you start your car… In fact, you maybe previously perceived noises when you start your Chevrolet Cobalt and generally speaking it’s frustrating. It might not be anything significant, but each new engine starts usually will turn into a scary moment during which you don’t know if your engine will start. That is why our team has chosen to create this content page to help you find its source. To do this, first, we will see the case of noise when starting on Chevrolet Cobalt but the car does not start, and finally, the noise you can experience on your car if it starts, first cold and then hot.
I notice a noise when I try to start my Chevrolet Cobalt, but the engine doesn’t start
I pay attention to a clicking noise at the start of my Chevrolet Cobalt
If you notice 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 triggering the issue. In fact, if you notice clicking noise when you start your Chevrolet Cobalt, and it sounds like a ticking, you almost certainly lack the energy to run your starter, test your battery with a voltmeter and change it if required. In case that after checking your battery, you still encounter a noise when starting your Chevrolet Cobalt and it does not want to start, refer to this content about starter motor noises on Chevrolet Cobalt for more details and to locate the source of your issue.
I listen a noise when I start my Chevrolet Cobalt but the engine it starts
I notice a noise when I start my Chevrolet Cobalt
- Grinding or squealing type noises when I start cold Chevrolet Cobalt :
If you notice a noise when you start your Chevrolet Cobalt, and this noise sounds 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 operation of the engine will be altered. Examine the state of your injectors and air intake system. For more details on the origin of injection-related noises on Chevrolet Cobalt, check out this piece of content. - Cold start friction parts Chevrolet Cobalt :
If you notice cold friction noises on Chevrolet Cobalt, it is pretty much 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 provoke a friction noise, often when cold. Visually check your belt and change it if necessary. If you have other friction noises, and it doesn’t come from your serpentine belt, we have a full content on engine of your Chevrolet Cobalt.
I notice a noise when starting my Chevrolet Cobalt even when hot
- rubber mount / silent bloc dead motor
If you notice a clacking noise just as 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 expired. And the huge vibrations generated by starting the engine can create starting noise on Chevrolet Cobalt. Examine their state and replace them if necessary. Consult this content if you would like to have detailed details on rubber mount noises on Chevrolet Cobalt. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Chevrolet Cobalt, even when hot, it is plausible 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 produce noise when you start your Chevrolet Cobalt and when you turn off the engine. Have his state inspected by a mecanist.