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AERA Technical Bulletins – August 20, 2021


Injector Sleeve Removal and Installation on Nissan 6.9L FE6 Diesel Engines


The AERA Technical Committee offers the following information on removal and installation of injector sleeves for Nissan 6.9L FE6 diesel engines. This information should be considered anytime the cylinder head is being worked on.


The first step in performing this task is obtaining special tools from Nissan. Those tools include nozzle sleeve remover & installer Part #99655-Z5601 and #99651-Z5601 which should include a .295” (7.500 MM) steel ball. Information on proper sleeve installation is not included with the packaging of a new injector sleeves so follow the illustrations and steps listed below. Before installing the new injector sleeves, clean them and the cylinder head with a fast-drying alcohol cleaning agent.




Engine Oil Selection for 2019-2022 Dodge 6.7L Diesel Engines


The AERA Technical Committee offers the following information on the selection of engine oil for 2019-2022 Dodge 6.7L diesel engines. This information should be referenced anytime engine oil is changed or topped off on these late model engines.


This bulletin provides information regarding the correct oil grade to use on the 6.7L Cummins used in the 2019 and newer HD Trucks. The following information is intended to eliminate confusion.




How Online Training Can Benefit Schools




Online training is education or training that takes place over the internet, and is available anytime, anywhere. Everyone learns at a different pace and retains information differently. The freedom of online training allows the student to invest their full attention into their own development, and progress at their own pace.


AERA works closely with trade schools and has developed an Engine Machinist Certification Program that can be customized to work for all engine classes. The AERA program allows the instructor to set goals, timelines, and view results by tracking student progress, giving both student and instructor more flexibility for valuable shop time.




Not an AERA Member? Join today!


Become an AERA member today and start enjoying the benefits of one of the oldest and most respected technical organizations in the world. You’ll have full access to a wealth of information, knowledge and training… plus much more!




Podcast Episode 11 – The Importance of Balancing Engine Components


Steve and Chuck talk with Randy Neal from CWT Industries about the importance of balancing engine components. Randy goes into detail about balancing and why it is so important. Take a listen and subscribe to the Engine Professional Podcast!




Subscribe to the AERA YouTube Channel


The AERA YouTube channel features Prosis Pro tutorials, AERA webinars and membership information. We invite you to check out the wide selection of videos and subscribe! New content is added regularly.











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