When to change the fuel injector in a car?
This is a critical rubber part that seals the fuel injector to the injector holder. Deterioration can result in high idle speeds and poor engine performance. Unless you have a low mileage car with soft seals, these should be changed when testing, cleaning, or replacing your fuel injectors. Brand new Bosch Fuel Injector as shown.
Do you need to replace injector seals if you are removed from the intake?
Do you need to replace injector seals if they are removed from the intake? Car is a Audi S5 2008, direct injection, 8 cyl. I will be removing the intake manifold to clean the intake ports of carbon. In the process, the fuel rail needs to be removed.
When did the Bosch fuel injectors come out?
Six new Bosch CIS fuel injectors with six holder bushing O-ring seals. If your 6 cylinder 103 engine has over 120,000 miles and you think your injectors are ok then you might want to think again. Brand new Bosch Fuel injector for most CIS engines built between 1977 to 1992. Bushing that holds fuel injector into the head of the engine.
Can you replace the O rings on a fuel injector?
You will not regret replacing with new. You may regret not. It looks from the diagram these are the typical o-rings used on most modern day fuel injectors. Finding the correct o-rings should not be an issue, as most any parts store is going to carry them.
When to overhaul injectors on older Mercedes diesel engine?
When the injectors are getting old, the spray pattern will not be optimal and it will also release pressure at the wrong pressure. This impairs performance and fuel economy. In the long run the time and investment overhauling the injectors will quickly surpass fuel expenses and frustration over poor performance.
How to change nozzles on Mercedes diesel engine?
Before changing the nozzles, a fuel system purge should be done. Use special diesel engine fuel cleaner by disconnecting the fuel line to the tank and running the engine straight from a little container with the fuel return line pouring it in to this container. Run the engine until the diesel cleaner is used up.
How do you separate the injectors on a Mercedes?
After testing each injector, you can open them/ separate the injectors in a wise with aluminium protection grips by placing the flat upper half down into the wise while using the same socket over the lower half. Use the out most care to not touch the nozzle tip with any metal.
What do I need to overhaul my injectors?
Injector tools and parts for overhauling the injectors. Most notably is the pressure tester. You will also need a shim set for adjusting and brass cleaning tools. Before changing the nozzles, a fuel system purge should be done.
Can a pressure tester be used to clean an injector?
A pressure tester such as the one we sell here can also be used to clean the internals of the injectors if they fail the initial pressure tests. In many cases, but not all, cleaning with pressure strokes and the proper cleaner can restore an injector to proper working condition.