Chevy/GMC Duramax 01-04 LB7Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines
How long and difficult will it be to replace the injector cups? I'm under the assumption that 1 or more is leaking coolant and pushing it through the lower valve cover...anyone ever heard of this?
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Do you get fuel in your oil? And in the cooling system? You should also have some what sweet smelling white smoke if they are bad enough. And im with fox2boost. i would make sure the injectors test out well before you do the cups to kill 2 birds at once. And if they test out good then you can get new cups and use a merchant install kit like this one below. Merchant Automotive 10058 - 01-04 GM LB7 DuramaxLB7 Injector Install Kit
Injectors are all good, I got them replaced about 6 months ago. I'm thinkingn that one of the cups isn't seated right now and its causing coolant to leak. Just recently I noticed a little by the egr cooler, so I think I'm gonna block off or remove the cooler completely and see if this fixes it. Any suggestions???
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