Tackling a Duramax LLY injector replacement at home
If you've noticed your truck is starting to haze at stoplights, a Duramax LLY injector replacement is probably in your near future. It's one of those jobs that every Chevy or GMC owner from the 2004.5 to 2005 era eventually has to face. While the LLY was a massive step up from the previous LB7 because you don't have to pull the valve covers to get to the injectors, it's still a project that requires some patience, a lot of rags, and maybe a few choice words when a bolt won't budge. ...