If you are informed of unusual signs on your automobile, you are right to be worried, because a car represents a huge annual budget and unforeseen malfunctions don’t lower the bill. So what if you feel like you have a leaking injector on your Jeep Compass? You probably figured it out thanks to black/oily drips along your engine, or a disturbed idle, or uncommon black smoke. These three signs of illness are the main indicators of a leaking injector. As this problem can lead to more significant engine concerns on your car, we decided to produce this article content to help you verify the failure of a leaking injector and deal with it properly. To do this, we will initially look into the circumstance of gasoline injectors and then at those of diesel injectors Jeep Compass.
Leaking injector on my petrol Jeep Compass
It is essential 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 essential difference lies in the pressure experienced 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 Jeep Compass: The different leaks
It should be mentioned that injector leaks on a Jeep Compass equipped with a petrol engine are pretty infrequent. This is caused by the much lower pressure in the petrol intake systems. Even so, there are two kind of leaks:
- Leakage from the top of the injector:
It is conceivable that you have a leak from the top of the injector, this is the part that is attached to the fuel rail, an O-ring will be involved in this. - Leak injector of the lower part:
At last, you may suffer a leak coming from the lower portion of the injector of your car, this one will come from the junction with the engine and not with the rail as seen before.
Leaking injector on my diesel Jeep Compass
Unlike petrol engines, which have spark combustion, diesel engines run on compression. This combustion procedure generates 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 Jeep Compass: The different leaks
In the circumstance of leaking diesel injectors on your Jeep Compass, there are three different kind of leaks:
- Leakage from the injector inlet:
In this case, it is an inlet pipe that will deform over time, commonly the leak will be at the clamping point. - Injector return leakage:
As its name indicates, this leakage concerns the management of the fuel return in the injector, this time the injector that leaks on your Jeep Compass will be caused by an O-ring or its plastic tip that leaks. - Injector base leak:
This injection leak is one of the most troublesome, it is the junction between the engine and the injector nose that leaks at a copper seal, you should experience an air noise and a compression loss. - If after checking you have oil leaking but it does not come from your injectors, we encourage you to consult this article content on the presence of oil leaking on your Jeep Compass.
Leaking injector on my Jeep Compass, 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 associated, as we have seen prior to this, to a worn seal because of the pressures suffered. But think that the pressure in the circuit is enormous, specifically on diesel engines. So you will have to take some precautions:
- Lower the pressure before any work is achieved…
- Masking you to avoid the risk of fuel spillage
- NEVER work on a running diesel engine injector.
Relating to the repair part of your leak, it will frequently be limited to changing the seals that have failed:
- Find out the source of the leak
- Take apart the injector in question
- Replace the corresponding seal kit
- Reassemble the set up and tighten with a torque wrench in respect with the manufacturer’s standards.
In all cases, these interventions are not necessarily complicated, but if you have the slightest doubt in the treatment of your injector that leaks on your Jeep Compass, we encourage you to get closer to your auto mechanic to avoid any bad manipulation that could severely harm the condition of your Jeep Compass.
If you have any additional questions about the Jeep Compass, do not hesitate to consult our Jeep Compass category.
