What could be more frustrating than noises when you start your automobile… Indeed, you probably previously perceived noises when you start your Opel Astra and generally it’s frustrating. It could not be anything major, 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 decided to write this content to help you find its origin. To do this, first, we will see the case of noise when starting on Opel Astra but the automobile does not start, and finally, the noise you can feel on your automobile if it starts, first cold and then hot.
I perceive a noise when I try to start my Opel Astra, but the engine doesn’t start
I identify a clicking noise at the start of my Opel Astra
If you perceive a noise when you want to start your automobile, and it does not want to turn on, it is likely that it is the battery that is triggering the issue. Indeed, if you acknowledge clicking noise when you start your Opel Astra, and it sounds like a ticking, you most likely lack the energy to run your starter, check your battery with a voltmeter and swap it if necessary. In the event that after looking at your battery, you still encounter a noise when starting your Opel Astra and it does not want to start, read this content about starter motor noises on Opel Astra for more information and to discover the source of your issue.
I experience a noise when I start my Opel Astra but the engine it starts
I perceive a noise when I start my Opel Astra
- Grinding or squealing type noises when I start cold Opel Astra :
If you perceive a noise when you start your Opel Astra, and this noise is 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 general performance of the engine will be altered. Examine the condition of your injectors and air intake system. For more information on the origin of injection-related noises on Opel Astra, read this article content. - Cold start friction parts Opel Astra :
If you notice cold friction noises on Opel Astra, 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 swap it if needed. If you have other friction noises, and it doesn’t result from your serpentine belt, we have a full content on engine of your Opel Astra.
I perceive a noise when starting my Opel Astra even when hot
- rubber mount / silent bloc dead motor
If you perceive 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 made by starting the engine can produce starting noise on Opel Astra. Examine their condition and replace them if needed. Read this content if you would like to have detailed information on rubber mount noises on Opel Astra. - Motor flywheel
Finally, if you notice a noise that sounds a little like a crank noise when you start your Opel Astra, 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 automobiles. When they take part in the game they generate noise when you start your Opel Astra and when you turn off the engine. Have his condition inspected by a professional.
