What can be more disturbing than noises when you start your vehicle… Indeed, you maybe already discovered noises when you start your Jeep Wrangler and in most cases it’s frustrating. It may not be anything significant, but each new engine starts usually becomes a scary moment during which you don’t know if your engine will start. That is why our editorial staff has decided to produce this document to support you find its source. To do this, first, we will see the case of noise when starting on Jeep Wrangler 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 acknowledge a noise when I try to start my Jeep Wrangler, but the engine doesn’t start
I perceive a clicking noise at the start of my Jeep Wrangler
If you acknowledge a noise when you want to start your vehicle, and it does not want to turn on, it is very likely that it is the battery that is contributing to the trouble. Indeed, if you listen clicking noise when you start your Jeep Wrangler, and it sounds like a ticking, you almost certainly lack the energy to run your starter, test out your battery with a voltmeter and swap it if required. In the event that after verifying your battery, you still know a noise when starting your Jeep Wrangler and it does not want to start, consult this article content about starter motor noises on Jeep Wrangler for more details and to find the source of your trouble.
I hear a noise when I start my Jeep Wrangler but the engine it starts
I acknowledge a noise when I start my Jeep Wrangler
- Grinding or squealing type noises when I start cold Jeep Wrangler :
If you acknowledge a noise when you start your Jeep Wrangler, and this noise is like grinding or squealing noise, which can also be relating to vibrations, it is plausible 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 general performance of the engine will be altered. Verify the state of your injectors and air intake system. For more details on the origin of injection-related noises on Jeep Wrangler, browse this content page. - Cold start friction parts Jeep Wrangler :
If you discern cold friction noises on Jeep Wrangler, it is practically certain 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 plausible 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 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 article content on engine of your Jeep Wrangler.
I acknowledge a noise when starting my Jeep Wrangler even when hot
- rubber mount / silent bloc dead motor
If you acknowledge 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 expired. And the huge vibrations produced by starting the engine can make starting noise on Jeep Wrangler. Verify their state and change them if needed. Read this article content if you would like to have detailed details on rubber mount noises on Jeep Wrangler. - Motor flywheel
Finally, if you have a noise that sounds a little like a crank noise when you start your Jeep Wrangler, even when hot, it is plausible that if your series is equipped with a dual-mass flywheel, it is the source of your concerns. Indeed, these parts have created a lot of concerns on many vehicles. When they take part in the game they make noise when you start your Jeep Wrangler and when you turn off the engine. Have his state inspected by a mecanist.
