In the event that you are aware of unusual signs on your automobile, you are right to be preoccupied, because a car represents a massive annual budget and unpredicted malfunctions don’t lower the costs. So what if you feel as if you have a leaking injector on your volvo v70? You likely figured it out thanks to black/oily drips along your engine motor, or a troubled idle, or unusual black smoke. These three symptoms are the main signs of a leaking injector. As this failure can bring about more critical engine concerns on your car, we made a decision to compose this content page to help you ensure the failure of a leaking injector and handle it properly. To accomplish this, we will first of all look at the circumstance of gasoline injectors and then at those of diesel injectors volvo v70.
Leaking injector on my petrol volvo v70
It is crucial to know that the injectors on petrol and diesel engines are distinct, actually, the difference in combustion between these two sort of engines makes the injection distinct. 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 volvo v70: The different leaks
It should be noted that injector leaks on a volvo v70 equipped with a petrol engine are rather rare. This is resulting from the much lower pressure in the petrol intake systems. Even so, there are two sort 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 component that is connected 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 occur from the junction with the engine and not with the rail as seen sooner.
Leaking injector on my diesel volvo v70
Unlike petrol engines, which have spark combustion, diesel engines run on compression. This combustion system 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 volvo v70: The different leaks
In the circumstance of leaking diesel injectors on your volvo v70, there are three several sort of leaks:
- Leakage from the injector inlet:
In this case, it is an inlet pipe that will deform as time passes, usually the leak will be at the clamping point. - Injector return leakage:
As its name suggests, this leakage relates to the management of the fuel return in the injector, this time the injector that leaks on your volvo v70 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 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 browse this content page on the existence of oil leaking on your volvo v70.
Leaking injector on my volvo v70, how to fix the leak
And to finish, we’re going to look at how to fix a leaking injector on your car. Oftentimes a leak is connected, as we have seen sooner, to a worn seal as a result of the pressures suffered. But think that the pressure in the circuit is gigantic, 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 very often be limited to changing the seals that have failed:
- Find out 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 cases, these interventions are not specifically complex, but if you have the tiniest doubt in the treatment of your injector that leaks on your volvo v70, we recommend you to get closer to your repair shop to avoid any bad handling that could severely harm the condition of your volvo v70.
If you have any additional questions about the volvo v70, do not hesitate to consult our volvo v70 category.
