Can you fix leaky injectors?
Leaking fuel injector is very easy to fix by replacing the fuel injector or by cleaning the injectors but if you do not fix leaking fuel injector on time you may damage your engine. Unless the body of the injector is leaking, which is rare, replacing the O-ring seals is all that is needed.
What causes a Mercedes Benz injector to leak?
Due to poor design, the injector seals on Mercedes diesel engines can leak, which means uncombusted diesel and exhaust gases are pushed back past the injector seal and up the injector shaft. This all occurs during the compression and exhaust cycles of the engine.
Can a leaking fuel injector cause hydro lock?
In some cases it can even lead to an explosion inside the engine. It has been reported that leaking fuel injectors caused hydro lock because so much fuel has accumulated on top of the piston that when the engine was turned over the engine locked because it could not compress the liquid in the cylinder.
What to do if your CDI injector is leaking?
Firstly, remove the engine cover and determines which injector (s) are leaking. You should be able to hear the faulty injectors but if not, use some water or solvent on the rocker cover when the engine is running. With the engine cover off, remove the injector electrical plug and high pressure pipe.
How to remove a CDI injector in a ml270?
The car that will be used as the example in this tutorial is a ML270 CDi, where most of the rules apply to the other CDi injectors. Firstly, remove the engine cover and determines which injector (s) are leaking. You should be able to hear the faulty injectors but if not, use some water or solvent on the rocker cover when the engine is running.
What are the symptoms of a leaking fuel injector?
Symptoms of leaking fuel injectors: 1 Hard Starting when engine is hot. 2 Increased Fuel Consumption. 3 Rough Idle. 4 Fuel odors inside and around the car. 5 Poor Emissions. 6 (more items)
Why does my Mercedes injector keep bottoming out?
Bottoming can occur because of debris at bottom of the blind hole. Tightening the fresh hold down bolt and seal ring will produce the same clamping force (defined by seal ring crush thickness) regardless of which of the 2 torque specs are used.
Can a fuel injector be tested under pressure?
Fuel injector leak testing should be done under operating pressure. The average DIY fuel injector cleaning project and most automotive repair shops does not have the proper diagnostic equipment or the ability to test leaking injectors or clean them properly.
What to do if you have a diesel injector problem?
Start the engine and watch for the darkening/spotting of the brown paper with diesel spray, this will indicate quite clearly where the problem lies. Once identified the work can begin – Run the engine until nice and warm then turn it off and remove the keys.