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HMartin 05-06-2010, 11:58 PM Got some questions comptemplating going to an LB7 03 from my 05 LLY. 03 has 140,000 on it. I have done injector tip replacements in an 02 Cummins I had, just wondering is the injector replacement something a guy can tackle at home and how much in tools do I need. This is probably been asked before so shame on me for asking if it has. Thanks all! DAVe3283 05-07-2010, 02:58 AM From the DIY section, you can find this. It is doable, if you are mechanically inclined. 1953drtelco 05-07-2010, 12:36 PM I believe the injector replacement on a LB7 is quite a bit more difficult than the Cummins. The LB7 is the most difficult of the Duramax line, and had the most problems with the injectors... blk2002hd 05-07-2010, 01:03 PM It is more difficult to replace injectors on the LB7, but it is in my opinion only due to all of the disassembly and reassembly involved. If you have all the parts, it can be done in a day. Keep in mind I'm talking about injector replacement, not tip replacement, that is a whole other animal. Brad92 05-07-2010, 03:43 PM The LB7 has its injectors inside the valve covers, the Cummins injectors are alot easier to replace. (Plus LB7 injectors cost alot more) HMartin 05-07-2010, 08:59 PM Probably asked alot what is price range on injectors for a DIYer? Also are than aftermarkert shops that sell bulletproof stuff? Not afraid to bump it up a little.;) HMartin 05-07-2010, 09:02 PM Check with the guy and the current injectors were replaced at 98,000 all 8 and currently has 140,000. I realize it is pretty much a crap shoot just like a VP44 on a D-DGE! oliver5528 05-07-2010, 10:04 PM I got rid of my LLy and got another lb7. I hated the lly oliver5528 05-07-2010, 10:05 PM BTW I just did my injectors and it wasnt to bad DuraTitus 05-07-2010, 10:21 PM Injectors will cost you anywhere from $2,400 to $2,800 at the dealer, to as low as $1,200 elsewhere. And it is not hard, just takes time! HMartin 05-08-2010, 08:55 AM Injectors will cost you anywhere from $2,400 to $2,800 at the dealer, to as low as $1,200 elsewhere. And it is not hard, just takes time! I can live with that! :D 1LTREATR 05-08-2010, 12:11 PM not to get off topic but, why the switch? I was thinking about going to a LLY! Greyduk 05-08-2010, 01:28 PM Yeah me too. I just sold my LB7 yesterday and going to pick up the LLY Monday. Oliver5528 why did you hate the LLY? dmaxboy08 05-08-2010, 02:17 PM i have done 4 injector jobs on a LB7 and like everyone else is saying, its not hard, just time comsuming. plus, since ur injectors where replaced not long ago, that means that they wont be a pain in the butt trying to get out. i had one pull the injector bore out with it...now THAT was fun... HMartin 05-08-2010, 05:34 PM not to get off topic but, why the switch? I was thinking about going to a LLY! Looking at doing a transmission and some other mods, just don't want my total investment to be mind boggeling! Plus looking and a Goat and green tractor!:drinking:Money ain't flowing like it was so better safe than bread and water! 1LTREATR 05-09-2010, 09:16 AM You could do a transmisson yourself for about the same price as an injector job. With the LB7's though theres no telling how many times you'll have to do it. But hey, its your money. greif03lb7 05-09-2010, 10:01 AM Check with the guy and the current injectors were replaced at 98,000 all 8 and currently has 140,000. I realize it is pretty much a crap shoot just like a VP44 on a D-DGE! My injectors were done at 98k then 146k now have 176k on the truck. | ||