If you are aware of unusual symptoms on your automobile, you are right to be concerned, because a car represents a huge annual budget and unpredicted malfunctions don’t lower the expenses. So what if you feel as if you have a leaking injector on your Toyota Tundra? You almost certainly figured it out thanks to black/oily drips along your engine motor, or a troubled idle, or uncommon black smoke. These three signs of illness are the main symptoms of a leaking injector. As this problem can cause more significant engine trouble on your car, we decided to produce this article content to help you confirm the failure of a leaking injector and handle it properly. To do so, we will initially take a look at the case of gasoline injectors and then at those of diesel injectors Toyota Tundra.
Leaking injector on my petrol Toyota Tundra
It is essential to know that the injectors on petrol and diesel engines are different, in fact, the difference in combustion between these two sort of engines makes the injection different. The key 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 Toyota Tundra: The different leaks
It should be mentioned that injector leaks on a Toyota Tundra equipped with a petrol engine are pretty rare. This is as a result of the much lower pressure in the petrol intake systems. Nevertheless, there are two sort 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 portion that is linked to the fuel rail, an O-ring will be involved in this. - Leak injector of the lower part:
Finally, you may encounter 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 Toyota Tundra
Unlike petrol engines, which have spark combustion, diesel engines run on compression. This combustion procedure 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 Toyota Tundra: The different leaks
In the case of leaking diesel injectors on your Toyota Tundra, there are three different sort of leaks:
- Leakage from the injector inlet:
In this case, it is an inlet pipe that will deform with time, commonly the leak will be at the clamping point. - Injector return leakage:
As its name indicates, this leakage relates to the management of the fuel return in the injector, this time the injector that leaks on your Toyota Tundra will be a consequence 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 feel an air noise and a compression loss. - If after verifying 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 Toyota Tundra.
Leaking injector on my Toyota Tundra, how to fix the leak
And finally, 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 prior to this, to a worn seal because of the pressures endured. But think that the pressure in the circuit is gigantic, specifically on diesel engines. So you will have to take some measures:
- Lower the pressure before any work is conducted…
- Covering 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 oftentimes be limited to changing the seals that have failed:
- Locate the source of the leak
- Dismantle the injector in question
- Replace the corresponding seal kit
- Reassemble the assembly and tighten with a torque wrench in accordance with the manufacturer’s standards.
In all situations, these interventions are not inevitably difficult, but if you have the slightest hesitation in the treatment of your injector that leaks on your Toyota Tundra, we encourage you to get closer to your repair shop to avoid any bad handling that could critically harm the condition of your Toyota Tundra.
Whenever you have any additional questions about the Toyota Tundra, do not hesitate to consult our Toyota Tundra category.
