Changing Injectors - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 04-13-2012, 06:58 PM   eBay Motors  #1 (permalink)
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Changing Injectors

Hey guys i just took my truck to my local diesel specialist to check balance rates on my injectors and i found out i have 3 bad ones. So instead of paying their $90.50 per hr shop rate to change them i think imma try and change all of them myself if i can. Do you guys have any hints or tips for me to make it any easier? Do you think it is worth it for me to do it or should i just take it to them and let them deal with the mess?? Thanks for your help! I hope i can save some money and do it myself
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Old 04-13-2012, 07:07 PM   eBay Motors  #2 (permalink)
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I am assuming u are talking about a lb7?

Alot of depends on how mechanically inclined u are too.
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Old 04-13-2012, 07:09 PM   eBay Motors  #3 (permalink)
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There not hard to do at all. I just did mine and its easy just a lot of work to get to them.
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Old 04-13-2012, 07:34 PM   eBay Motors  #4 (permalink)
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it depends how confident you are in your mechanic abilities. I did mine 2 yrs ago and my truck still kicking butt. Just read the write up on here one or two times before you start. I took me about 14 hrs, but by no means im a pro, just a weekend warrior.
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Old 04-13-2012, 07:37 PM   eBay Motors  #5 (permalink)
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If you like working on stuff they arent bad. Keep a bench clean to put all the parts, stay organized, take pictures, and plan for more time than you will need. Its not too bad really, jsut a little time consuming is all.
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Old 04-13-2012, 07:38 PM   eBay Motors  #6 (permalink)
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To be honest. It's straight forward. Get under the valve covers and everything is obvious. There is several DIY injector swap threads out there. Find one of those and you should be able to do it. But you can't get pissed if you accidentally fawk up on something and have to tear it back down again.


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Old 04-13-2012, 11:46 PM   eBay Motors  #7 (permalink)
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I did the search function and found some procedures that were illustrated unfortunately, it was not done in a clear step by step process. Overall, it does not seem to be very difficult, just time consuming. I'm still looking for that "lessons learned" post that will tell me everything I should not do when it comes my time.
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Old 04-14-2012, 06:02 AM   eBay Motors  #8 (permalink)
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How To: Change LB7 Injectors With Pictures!!! here you go man. this is the one i used. it has pictures torque specs and everything. good luck
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Old 04-14-2012, 09:43 AM   eBay Motors  #9 (permalink)
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Thanks Wheelinstud09.
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Edge Insight CTS
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Old 04-14-2012, 08:40 PM   eBay Motors  #10 (permalink)
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no problem
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2003 Chevy 2500HD Duramax Allison ECSB 4x4 Edge Juice w/Attitude(no hooked up) Other Than That BONE STOCK
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