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Duramax First Generation: 2001-2004 (LB7) Discuss the first generation (2001-2004 LB7) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY. is the premier Duramax Diesel Forum on the internet. Registered Users do not see the above ads.
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Old 09-22-2008, 10:20 PM   #1 (permalink)
junior bowlin
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Coolant Pressures

I Have A 2002 Dually, It Has Got A Problem With Pushing Out Anti, The Thing About It Is It Has Been Dooing This For 30k Miles, Finally Got So Bad I Could Not Drive More Than Twenty Miles That The Light Would Come On, I Tore It Down And Put Injector Sleeves In It, Thought I Had It Fixed, Drove It Over One Thousand Miles,did Not Push Any Anti Out At All, I Hooked To A 26ft Trailer, And In Less Than Thirty Miles It Pushed A Little Out, It Took It Five Hundred Miles Before Light Came On, Filled It Back Up To Proper Level, If Not Pulling No Problem, Has Any One Had This Problemd. App Any Info At All I Have A 2003 Lb7 With Egr Valve On It Does Any One Know Why It Might Not Work If I Decide To Install It, Thanks Jr.

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Old 09-23-2008, 12:10 AM   #2 (permalink)
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Its either injector sleeve/cups or head gasket problem. You will need to pull glow plugs one by one until coolant comes out of a cylinder or two. I could be wrong though.

02 LB7
PPE stg5/5 star
Dual pumps
EFI Live v2
Industrial Injection

15 LML
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Old 09-23-2008, 12:21 AM   #3 (permalink)
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do both while your there
  1. 2003 chevrolet 2500 suburbanHd Lbz Duramax studded heads, modded cp3, stage V Allison by MaxdOut Batmo wheel Fass 150 pump,down pipe, manifold, merchants engine mounts, Efi-live DSP5 by MaxdOut Diesel. Fast and Fun conversion was done by Maxdout Diesel also.
  2. Sold-1996 2500HD chevrolet rclb 6.5 diesel, 4L80E trans, marine injectors, Heath diesel max torque tune, Duramax fan, boost,pyro, trans temp gauges, Hood stack, stage 3 water injection, Mickey Thompson classic 2 rims and its JOHN DEERE GREEN. All done by MaxdOut Diesel
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