What could be more disturbing than noises when you start your automobile… Indeed, you maybe already listened to noises when you start your Buick LaCrosse and in most cases it’s frustrating. It may not be anything serious, 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 editorial staff has chosen to produce this document to help you find its source. To do this, first, we will see the case of noise when starting on Buick LaCrosse but the automobile does not start, and finally, the noise you can encounter on your automobile if it starts, first cold and then hot.
I hear a noise when I try to start my Buick LaCrosse, but the engine doesn’t start
I pay attention to a clicking noise at the start of my Buick LaCrosse
If you hear a noise when you want to start your automobile, and it does not want to turn on, it is very likely that it is the battery that is contributing to the issue. Indeed, if you acknowledge clicking noise when you start your Buick LaCrosse, and it sounds like a ticking, you almost certainly lack the energy to run your starter, check your battery with a voltmeter and replace it if required. In the case that after checking out your battery, you still experience a noise when starting your Buick LaCrosse and it does not want to start, read this article content about starter motor noises on Buick LaCrosse for more info and to locate the source of your issue.
I experience a noise when I start my Buick LaCrosse but the engine it starts
I hear a noise when I start my Buick LaCrosse
- Grinding or squealing type noises when I start cold Buick LaCrosse :
If you hear a noise when you start your Buick LaCrosse, and this noise sounds like grinding or squealing noise, which can also be related to vibrations, it is plausible that it is the combustion of your automobile that is involved. Indeed if you have an air/fuel mixture that is not good the normal running of the engine will be altered. Check the state of your injectors and air intake system. For more info on the origin of injection-related noises on Buick LaCrosse, see this content. - Cold start friction parts Buick LaCrosse :
If you encounter cold friction noises on Buick LaCrosse, it is practically sure 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 triggers a friction noise, often when cold. Visually examine your belt and replace it if required. 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 Buick LaCrosse.
I hear a noise when starting my Buick LaCrosse even when hot
- rubber mount / silent bloc dead motor
If you hear 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 replaced. And the huge vibrations generated by starting the engine can generate starting noise on Buick LaCrosse. Check their state and swap them if required. Read this article content if you would like to have detailed info on rubber mount noises on Buick LaCrosse. - Motor flywheel
Finally, if you have a noise that sounds a little like a crank noise when you start your Buick LaCrosse, even when hot, it is plausible that if your series is equipped with a dual-mass flywheel, it is the source of your problems. Indeed, these parts have created a lot of problems on many cars. When they take part in the game they produce noise when you start your Buick LaCrosse and when you turn off the engine. Have his state inspected by a specialist.
