What could possibly be more disturbing than noises when you start your automobile… Indeed, you probably previously perceived noises when you start your Porsche 911 and generally speaking it’s frustrating. It may not be anything severe, 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 compose this content page to help you find its origin. To do this, first, we will see the case of noise when starting on Porsche 911 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 Porsche 911, but the engine doesn’t start
I detect a clicking noise at the start of my Porsche 911
If you perceive 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 causing the trouble. Indeed, if you listen to clicking noise when you start your Porsche 911, and it sounds like a ticking, you probably lack the energy to run your starter, test your battery with a voltmeter and swap it if required. In the case that after checking out your battery, you still experience a noise when starting your Porsche 911 and it does not want to start, browse this article content about starter motor noises on Porsche 911 for more info and to locate the source of your trouble.
I hear a noise when I start my Porsche 911 but the engine it starts
I perceive a noise when I start my Porsche 911
- Grinding or squealing type noises when I start cold Porsche 911 :
If you perceive a noise when you start your Porsche 911, and this noise sounds like grinding or squealing noise, which can also be related to vibrations, it is possible 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 info on the origins of injection-related noises on Porsche 911, browse this article content. - Cold start friction parts Porsche 911 :
If you experience cold friction noises on Porsche 911, it is practically 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 possible 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 check your belt and swap 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 Porsche 911.
I perceive a noise when starting my Porsche 911 even when hot
- rubber mount / silent bloc dead motor
If you perceive a clacking noise when you start your car’s engine and it is more than 100,000 km long, it is possible that some of your engine silentblocks or rubber mounts are good to be replaced. And the huge vibrations generated by starting the engine can create starting noise on Porsche 911. Examine their condition and change them if required. Browse this article content if you would like to have detailed info on rubber mount noises on Porsche 911. - Motor flywheel
Finally, if you hear a noise that sounds a little like a crank noise when you start your Porsche 911, even when hot, it is possible 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 vehicles. When they take part in the game they generate noise when you start your Porsche 911 and when you turn off the engine. Have his condition checked out by a mecanist.
