If you are informed of abnormal signs on your automobile, you are right to be worried, because a car represents a massive annual budget and sudden breakdowns don’t reduce the expenses. So what if you feel as if you have a leaking injector on your Chevrolet Equinox? You probably figured it out thanks to black/oily drips along your engine motor, or a disturbed idle, or unconventional black smoke. These three signs of illness are the main indicators of a leaking injector. As this troubles can bring about more significant engine problems on your car, we made a decision to publish this article content to help you verify the failure of a leaking injector and treat it correctly. To accomplish this, we will first of all look into the circumstance of gasoline injectors and then at those of diesel injectors Chevrolet Equinox.
Leaking injector on my petrol Chevrolet Equinox
It is important to know that the injectors on petrol and diesel engines are different, in fact, the difference in combustion between these two kind of engines makes the injection different. The key difference lies in the pressure undergone by the injectors, on a petrol engine it will vary between 3.5 bars for indirect injection and 120 bars for indirect injection.
Leaking injector on a petrol Chevrolet Equinox: The different leaks
It should be noted that injector leaks on a Chevrolet Equinox equipped with a petrol engine are rather rare. This is due to the much lower pressure in the petrol intake systems. However, there are two kind of leaks:
- Leakage from the top of the injector:
It is possible that you have a leak from the top of the injector, this is the component that is linked to the fuel rail, an O-ring will be involved in this. - Leak injector of the lower part:
Finally, you may experience a leak coming from the lower part of the injector of your car, this one will appear from the junction with the engine and not with the rail as seen previously.
Leaking injector on my diesel Chevrolet Equinox
Unlike petrol engines, which have spark combustion, diesel engines run on compression. This combustion system creates very high pressure in the engine, as do the injectors. On these models, the pressure is more than 10 times higher than on the direct injection of car petrol engines, reaching 1800 to 2000 bars.
Leaking injector on diesel Chevrolet Equinox: The different leaks
In the circumstance of leaking diesel injectors on your Chevrolet Equinox, there are three several kind of leaks:
- Leakage from the injector inlet:
In this case, it is an inlet pipe that will deform over time, in most cases the leak will be at the clamping point. - Injector return leakage:
As its name reveals, this leakage concerns the management of the fuel return in the injector, this time the injector that leaks on your Chevrolet Equinox will be the result of an O-ring or its plastic tip that leaks. - Injector base leak:
This injection leak is one of the most annoying, it is the junction between the engine and the injector nose that leaks at a copper seal, you should find an air noise and a compression loss. - If after verifying you have oil leaking but it does not come from your injectors, we recommend you to read this article content on the existence of oil leaking on your Chevrolet Equinox.
Leaking injector on my Chevrolet Equinox, how to fix the leak
And to finish, we’re going to look into how to fix a leaking injector on your car. Oftentimes a leak is linked, as we have seen previously, to a worn seal because of the pressures suffered. But think that the pressure in the circuit is enormous, especially on diesel engines. So you will have to take some precautions:
- Lower the pressure before any work is carried out…
- Masking you to avoid the risk of fuel spillage
- NEVER work on a running diesel engine injector.
Regarding the repair part of your leak, it will very often be limited to changing the seals that have failed:
- Situate the source of the leak
- Dismantle the injector in question
- Change the corresponding seal kit
- Reassemble the set up and tighten with a torque wrench in accordance with the manufacturer’s standards.
In all cases, these interventions are not specifically complicated, but if you have the tiniest hesitation in the treatment of your injector that leaks on your Chevrolet Equinox, we recommend you to get closer to your motor mechanic to avoid any bad handling that could critically harm the condition of your Chevrolet Equinox.
To find more tips on the Chevrolet Equinox, take a look at the Chevrolet Equinox category.
