In the event that you are alert of abnormal signs on your car, you are right to be concerned, because a car represents a huge annual budget and unexpected malfunctions don’t lower the expenses. So what if you find that you have a leaking injector on your Peugeot Expert Tepee? You most likely figured it out thanks to black/oily drips along your engine unit, or a troubled idle, or unconventional black smoke. These three manifestations are the main indicators of a leaking injector. As this failure can cause more critical engine concerns on your car, we made a decision to prepare this content to help you confirm the failure of a leaking injector and deal with it correctly. To accomplish this, we will first of all take a look at the circumstance of gasoline injectors and then at those of diesel injectors Peugeot Expert Tepee.
Leaking injector on my petrol Peugeot Expert Tepee
It is essential to know that the injectors on petrol and diesel engines are distinct, in fact, the difference in combustion between these two types of engines makes the injection distinct. The main 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 Peugeot Expert Tepee: The different leaks
It should be noted that injector leaks on a Peugeot Expert Tepee equipped with a petrol engine are pretty rare. This is because of the much lower pressure in the petrol intake systems. Even so, 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 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 part of the injector of your car, this one will appear from the junction with the engine and not with the rail as seen sooner.
Leaking injector on my diesel Peugeot Expert Tepee
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 Peugeot Expert Tepee: The different leaks
In the circumstance of leaking diesel injectors on your Peugeot Expert Tepee, there are three different types of leaks:
- Leakage from the injector inlet:
In this instance, it is an inlet pipe that will deform with time, 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 Peugeot Expert Tepee 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 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 examining you have oil leaking but it does not come from your injectors, we advise you to browse this content on the presence of oil leaking on your Peugeot Expert Tepee.
Leaking injector on my Peugeot Expert Tepee, how to fix the leak
And to finish, we’re going to take a look at 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 gigantic, especially on diesel engines. So you will have to take some safety measures:
- Lower the pressure before any work is completed…
- 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 regularly be restricted to replacing the seals that have failed:
- Find 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 accordance with the manufacturer’s standards.
In all cases, these interventions are not automatically complicated, but if you have the tiniest hesitation in the treatment of your injector that leaks on your Peugeot Expert Tepee, we advise you to get closer to your mechanic to avoid any bad manipulation that could critically harm the condition of your Peugeot Expert Tepee.
If perhaps you have any additional questions about the Peugeot Expert Tepee, do not hesitate to consult our Peugeot Expert Tepee category.
