Replacement of Allison tranny lines on a 2500HD with Duramax

Picked one by one from a mixed channel. Transcript check: both title readers certain; 5 of 5 sampled certain picks confirmed by transcript, none failed. Channel rule: Include only videos whose titles name a specific repair, maintenance or technique procedure on a specific vehicle or machine (e.g., 'Replace a rear pinion seal on a GM Chevy 2500 HD', 'How to do a double flare...', '1993 Saturn SC2 Brake Line replacement'), and exclude reviews, gimmick tests, vlogs, builds filmed as diaries, event/training visits and channel news.