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AERA Technical Bulletins – October 6, 2022



Camshaft Bearings for 2014-2018 GM Gen 5 LT1, LT4, L86, L83 Engines


The AERA Technical Committee offers the following information on the camshaft bearings for 2014-2018 GM LT1, LT4, L86, L83 Gen 5 engines. Beginning in 2014 these engines saw a design change to one of the camshaft bearings for these popular engines.


The bearing set shown in Figure 1 shows the unique bearing with a cut-out (middle of photo) portion in it. Obtaining the correct replacement bearings has been difficult and only recently has this bearing set been available with Part #CHP-26-T. 



Valve Spring Retainer and Key Caution for 2002-2011 Honda/Acura 2.0L Engines


The AERA Technical Committee offers the following information regarding a valve spring retainer and key caution for 2002-2011 Honda/Acura 2.0L engines. This caution should be referenced anytime the cylinder head is being disassembled.


During manufacturing of these engines for the 2004 model year, a change was made to the valve spring retainer and cotter keys. The revised components are not compatible with the earlier designs. Engine failure may result if any components are mixed as a valve may drop into the cylinder. 




12 Tips for Starting Diesel Engines in the Cold


By Dave Hagen with the Capital Reman Tech Team


“Okay, campers, rise and shine, and don’t forget your booties ’cause it’s cooooold out there today… It’s coooold out there every day. What is this, Miami Beach?”

— from the movie, Groundhog Day


That’s right folks, winter is upon us once again here in the Rocky Mountains of Colorado. With a so called “polar vortex” on its way tomorrow, we here at Capital Reman thought it would be appropriate to give you some info on “cold diesel starts” read on for some tips on how to start a diesel engine on a cold day.


1. Glow Plugs and Block Heaters: The use of glow plugs or block heaters will start the vast majority of diesel engines on a cold day. Glow plugs work by heating the internal combustion chamber so that conditions are suitable for compression and ultimately ignition.



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.



Podcast Episode 20

Engine Analysis


Steve and Chuck, along with special guest Dan Begle from MAHLE, discuss engine analysis. Dan tells us about when he worked in the NASCAR world doing engine analysis, documenting his findings, and why this is important. They also answer tech questions received on the AERA techline that deal with surface finish for head gaskets and gasket thickness. For the history segment this month, they take a look at when the Small Block Chevy came to life and how big was it!




Engine Professional Magazine


Engine professionals worldwide receive this full-color publication four times per year. Each issue is filled with highly technical and application-driven articles from our staff of writers, as well as feature contributions from industry professionals. In addition to the print version, you can also read our digital version online.





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