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Workshop machinery-Automotive equipment-ultrasonic injector cleaner machine diesel and petrol

Updated on December 6, 2010

Cleaning injectors.

When your engine analyser indicates that the injectors are dirty in a motor, the best way to clean them is with a professional injector cleaner.

I use the Asnu ultrasonic injector cleaner in an 8 cylinder configuration.

It is best to have the 8 cylinder model as it allows you to do more injector refurbishments at the same time in a quick and reliable fashion.

The Asnu injector cleaner is a high quality unit that is very fast and efficient at cleaning multiple injectors at the same time.

Injectors get coated with a varnish like material from fuel evaporation and cleaning them without a proper machine can be tedious, useless and can cause damage easily if you mark the face of the injector.

Ultrasonic cleaning is by far the most efficient means of getting injectors back to specifications.


8 cylinder Asnu Injector cleaner

I have sold and serviced these Asnu injector cleaner units and can recommend them from first hand experience.

I have never had one returned not working, and these are very reliable beautifully engineered units.

A good second-hand unit will cost around $1500 to $3,000 dollars refurbished, depending on age, condition and model.

Just a note on removing injectors. The ones that have a small spanner size and are deeply recessed such as on some fords and Mercedes Benz vans be very careful to use a high quality thin walled deep socket spanner and ensure it is squarely in place.

(I have seen many a mechanic lose a few hours trying to get stuck injectors out, often breaking them.)

WARNING.

Despite all the hype around doing a one action clean of valve body, injectors, pistons, cylinder head and valves, I would not even entertain it.

You are likely to end up with an oil burner!

If you need to clean the pistons and head on a modern engine, you need an engine overhaul, not a clean.

The reason a motor gets really dirty inside is due to poor maintenance which causes the engine to wear out the piston rings and other vital and expensive components.

Cleaning pistons can badly damage a worn but reasonable motor sending sharp tiny particles of carbon down the side of the piston where it can contact the compression ring, then the oil ring, then scoring the cylinder before making it's way in to the crankshaft bearings.

Very expensive repairs will be needed if that happens.

I instruct all my mechanic when doing engine overhauls to dissembled every component in the motor, wash the block including all oil-ways out with high pressure water, then blow the block, head and shafts, oil-ways out with high pressure air, then oil spray before assembly in a dust free environment.


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    • earnestshub profile imageAUTHOR

      earnestshub 

      7 years ago from Melbourne Australia

      The Asnu can handle any injectors.

    • profile image

      Ric 

      7 years ago

      Will these units clean all injectors? or is there certain ones that need a different unit?

    • earnestshub profile imageAUTHOR

      earnestshub 

      8 years ago from Melbourne Australia

      I could not log on to your email jaime, so here is a link where you can buy one and have it shipped to Mexico.

      http://www.allstates.com/

      Tell Bob Earn from MastaQuip sent you. :)

    • earnestshub profile imageAUTHOR

      earnestshub 

      8 years ago from Melbourne Australia

      Sure jaime I will drop you a line.

      The asnu is a very robust machine, I have rebuilt dozens of them.

    • profile image

      jaime valencia 

      8 years ago

      hi, ernest, im looking for asnu equipment second hand. do you know something about this

      tank you very much,

      plese wirte to my e-mail , im from mexico

    • earnestshub profile imageAUTHOR

      earnestshub 

      8 years ago from Melbourne Australia

      Thank you Hello, hello. Make sure he reads the warning part.

    • Hello, hello, profile image

      Hello, hello, 

      8 years ago from London, UK

      Another interesting hub for my son. Thank you.

    • earnestshub profile imageAUTHOR

      earnestshub 

      8 years ago from Melbourne Australia

      Hy Randy. Yep! They work perfectly on diesel injectors. The Benz van I was referring to with the pissy little injectors is a diesel.

      You can also rip the injectors out or off the rack and send them to be cleaned with one of these too! :)

    • Randy Godwin profile image

      Randy Godwin 

      8 years ago from Southern Georgia

      Would these work on diesel injectors too, Earnest? All of our farm tractors run on diesel and some of the fuel injectors on the older tractors could possibly benefit from a good cleaning.

      Randy

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