In the event you are informed of unusual signs on your car, you are right to be preoccupied, because a car represents a massive annual budget and unforeseen breakdowns don’t reduce the bill. So what if you find that you have a leaking injector on your Land Rover Range Rover Sport? You likely figured it out thanks to black/oily drips along your engine unit, or a troubled idle, or abnormal black smoke. These three symptoms are the main symptoms of a leaking injector. As this problem can end up in more critical engine complications on your car, we chose to write this article to help you verify the failure of a leaking injector and handle it properly. To do this, we will initially look at the case of gasoline injectors and then at those of diesel injectors Land Rover Range Rover Sport.
Leaking injector on my petrol Land Rover Range Rover Sport
It is essential to know that the injectors on petrol and diesel engines are distinct, the truth is, the difference in combustion between these two types of engines makes the injection distinct. The biggest 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 Land Rover Range Rover Sport: The different leaks
It should be known that injector leaks on a Land Rover Range Rover Sport equipped with a petrol engine are rather rare. This is resulting from the much lower pressure in the petrol intake systems. Nevertheless, there are two types of leaks:
- Leakage from the top of the injector:
It is plausible that you have a leak from the top of the injector, this is the portion that is linked to the fuel rail, an O-ring will be involved in this. - Leak injector of the lower part:
At last, you may experience 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 sooner.
Leaking injector on my diesel Land Rover Range Rover Sport
Unlike petrol engines, which have spark combustion, diesel engines run on compression. This combustion system produces 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 Land Rover Range Rover Sport: The different leaks
In the case of leaking diesel injectors on your Land Rover Range Rover Sport, there are three several types of leaks:
- Leakage from the injector inlet:
In this case, it is an inlet pipe that will deform in the long run, usually the leak will be at the clamping point. - Injector return leakage:
As its name reveals, this leakage relates to the management of the fuel return in the injector, this time the injector that leaks on your Land Rover Range Rover Sport will be caused by an O-ring or its plastic tip that leaks. - Injector base leak:
This injection leak is one of the most bothersome, it is the junction between the engine and the injector nose that leaks at a copper seal, you should encounter an air noise and a compression loss. - If after checking you have oil leaking but it does not come from your injectors, we advise you to consult this article on the existence of oil leaking on your Land Rover Range Rover Sport.
Leaking injector on my Land Rover Range Rover Sport, how to fix the leak
And finally, we’re going to look at how to fix a leaking injector on your car. Frequently 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 monumental, specifically on diesel engines. So you will have to take some precautions:
- Lower the pressure before any work is carried out…
- Covering you to avoid the risk of fuel spillage
- NEVER work on a running diesel engine injector.
Concerning the repair part of your leak, it will oftentimes be restricted to changing the seals that have failed:
- Situate the source of the leak
- Take apart the injector in question
- Change the corresponding seal kit
- Reassemble the assembly and tighten with a torque wrench in respect with the manufacturer’s standards.
In all situations, these interventions are not automatically difficult, but if you have the smallest uncertainty in the treatment of your injector that leaks on your Land Rover Range Rover Sport, we advise you to get closer to your repair shop to avoid any bad manipulation that could severely harm the condition of your Land Rover Range Rover Sport.
If you wish more tutorials on the Land Rover Range Rover Sport, go to our Land Rover Range Rover Sport category.
