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2010 Pilot EXL-RES, 2013 Accord EX
Tomek; HLA is an abbre. for Hydraulic Lifter Arms (I beieve?!),...this VERY informative website gives a ton of info regarding the 2.5 V6 and the 2.3 Miller Cycle. The site further explains why these HLA's make the noise and how to stop it. Hope this helps someone!
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