injectors and sleeves o-rings change for 4JX1 Isuzu Trooper Holden Jackaroo Opel Moterey

***important***: 1. pay attention at min 7.43-7.59 for the injector sleeves holes aligning. 2. on the editing I forgot an important step, min 10:40 to 11:12 should be as here:    • tighten 30 - backing off - then retighten 25   (thanks to Eithan H from itocuk.co.uk for those remarks) advise to see Cliff's videos on the subject    • Removing Isuzu 4JX1 Diesel Injector Sleeves