01-04.5 LB7 Duramax Powertrain [Archive] - Chevy and GMC Duramax Diesel Forum

: 01-04.5 LB7 Duramax Powertrain


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  1. Advice on Block/Head Prep
  2. Puzzling.... Looking for idea's
  3. white smoke out of tailpipe runs rough
  4. Should I be worried if my truck has 225,000 on factory headgaskets?
  5. Hard starting in cold mornings
  6. 2003 lb7 3500 fuel nock!?
  7. lb7 limp mode u1000 and p1275 after headgaskets
  8. LB7 head gasket?
  9. Stock LB7 boost
  10. Intercooler problem?
  11. please help!!!!
  12. 04 LB7 turbo Whinning
  13. 30% overs without tune?
  14. Bosch Injectors
  15. Help! No stock ecm files
  16. Ground?
  17. Screeching fluctuate up and down with RPM's
  18. NO 4x4 Just Flashes 03 LB7 263XHD Transfer Case
  19. Rehashing old problems
  20. Fuel pressure specs
  21. Info Please
  22. For sale board
  23. HELP!! LB7 stalls after a few feet
  24. Squeaky Brakes
  25. Diagnosing tick/clatter throughout rpm range
  26. 2002 lb7. Does not seem it's got power
  27. What part from a 2005 LLY can be used in a LB7?
  28. New '02 and now smoking..
  29. is there a write up for removing transmission (Allison 1000)
  30. Bench testing CP3
  31. Worried
  32. High oil pressure
  33. LB7 rail pressure and starting problem
  34. 02 lb7 starter question
  35. Missing this
  36. Ghost ignition
  37. First long trip towing..
  38. LB7 White Smoke
  39. 04 vacuum pump and egr
  40. Need help, confused... sigh. If not injectors then what?
  41. Smoke out of Blow By
  42. lb7 up pipe removal
  43. Stalled while decelerating, cranks but no start
  44. truck started ran for 30sec quit
  45. 2004 Lb7 Injector Problems HELP
  46. I wish I had read this the first time I replaced my injectors
  47. Stuck in Wyoming trying to get home, injector leaking bad.
  48. Problems with Fuel Pressure Regulator
  49. blue grey smoke
  50. turbo weak
  51. 02 chugging at idle
  52. Dead
  53. 01 LB7 replaced FI & ESS light comes & goes.
  54. Main pressure regulator valve
  55. Need help with AIH & glow plug codes
  56. Injector set #3
  57. LB7 Cranks but wont start
  58. Fpr????
  59. Budget transmission build???
  60. 04 LB7 Losing Power
  61. coolant leak.... :'(
  62. Need injector help
  63. still goes into limp mode with new injectors
  64. please help...at my breaking point with this truck!
  65. Cant adjust valve lash
  66. Tranny overheat towing
  67. Lb7 huge oil leak
  68. Help with 4X4 issue
  69. Transmission light on dash
  70. Upper Oil Pan
  71. Died this morning! Left in park parking lot
  72. 2003 LB7 loss of power. no oil pressure at idle. diesel in oil
  73. Low fuel pressure
  74. 04 Duramax with alisson transmission mega issues.
  75. 03 duramax, black smoke, losted fuel economy, and losted power.
  76. whats it worth
  77. Tranny issues
  78. fuel problems
  79. Were At ?
  80. Transmission problems
  81. A/C fan clutch? Upgrades?
  82. 2001 chevy 3500 duramax
  83. Need help identifying part
  84. truck shuts off and went into limp mode
  85. help. oil in outlet side of turbo.
  86. Torque App
  87. alternator died--Edge installation issues?
  88. Lb7 ficm problems
  89. Which fuel additive for light haze at idle
  90. Cylinder Heads Needed
  91. 02 hard start/long crank! Need help
  92. Transmission and stange liquid
  93. 03 lb7 . lots of problems going on.
  94. Wix fuel filter
  95. How long to run iffy injectors?
  96. Injection pump removal
  97. Vibration
  98. Plugged condenser
  99. Rough start, whining sound from ignition.
  100. Brake pads
  101. 2003 GMC 2500HD 6.6L Turbo Diesel wont start
  102. New Bosch injectors? Industrial injection?
  103. At a loss. Truck died and won't start.
  104. Fuel knock issue
  105. truck quit, trans codes, stuck on freeway
  106. Bd waste gates
  107. How do my balance rates look?
  108. On a 2002 LB7 Code P0181 thrown
  109. smoke
  110. Need local help around Erie PA area - non-urgent
  111. No boost no codes
  112. Transmission help
  113. need help! air issue
  114. Lift pump
  115. cp3 replacement
  116. 2002, 295,000 miles
  117. Diesel fuel pump issue
  118. New injector with a +15 balance rate
  119. No boost!
  120. oil pressure???
  121. duramax burnt
  122. 2004 Sierra blowing white smoke?
  123. Rust on injector pics
  124. cooling system pressure
  125. Injector testing question
  126. diesel shops
  127. is this warmed up??
  128. 2004 lb7 6.6 oil cooler questions
  129. Rebuild kits
  130. Oil cooler torque specs
  131. LB7 max rpm?
  132. Thermostats
  133. Coolant smell
  134. Turbo issue
  135. Fuel filter problems?
  136. Remember ?
  137. Lb7 high and low rail pressure
  138. New injector threads
  139. 03' with issues
  140. started blowing black smoke ,won't re-start
  141. Help! P0093 Fuel dripping from engine compartment
  142. Jerking at steady speed
  143. built trans?
  144. LB7 smoking issue
  145. Rear tire wear
  146. Gears grinding while going down the road???
  147. Range Shift Inhibited, EBCM failure??
  148. inadequate fuel filter
  149. crazy Larry ?
  150. Help stripped injector hold down bolt head
  151. Thinking of selling my '03 (Pics)
  152. LB7 Huge loss of power!
  153. I need help with my LB7!!!!
  154. Time for trans build?
  155. Fuel filter head
  156. Lb7 fresh engine won't start! Help now! Or it's going up for sale
  157. Lb7 won't start!!! Help
  158. new injectors now surging
  159. cali emissions lb7 egr delete
  160. LB7 Injector recomendation
  161. Coolant leak possibly lead to blown head gasket!!!!!
  162. Oil Pressure ?
  163. Blown head gasket
  164. Will not move unless codes are cleared or it feels like it
  165. P0832 and p0700 codes
  166. Electric problems with transmission
  167. Location to blow compressed air into fuel lines?
  168. Lb7 won't run right
  169. Trans issue?
  170. How to run with valve covers off???
  171. Fuel line leak
  172. Changed Tailshaft housing.. messed up real bad please help
  173. Guidance please!
  174. 02 gmc stailling while driving....
  175. WTH is this switch?!
  176. Lb7 bottom end
  177. Transmission problems after headgasket repair
  178. Transmission cooler line to radiator leak again
  179. Rebuilding injectors?
  180. Installing new injector cups...
  181. Truck louder recently?
  182. Need return line ASAP!
  183. 01 lb7 water pump?
  184. fuel lines & injectors lb7
  185. MPG when beating on truck
  186. 2003 tranny confusion
  187. lb7 oem headstuds
  188. white smoke
  189. Opinions on LB7 overhaul
  190. Fuel in oil question
  191. bad turbo seals?
  192. Injector Help Weird Knock
  193. Need help
  194. LB7 Block Questions
  195. Where to get injectors done in SoCal
  196. P0778? pressure control soleniod?
  197. LB7 Fuel Level Sending Unit Repair
  198. help with battery
  199. well that doesnt look right.........
  200. Will a stock 05 LLY airbox fit an LB7 truck?
  201. Waste or not? 2wd Lockers....
  202. Cp3 Help.
  203. 02 possible head gasket and broken ring or piston
  204. engine temp vs mileage
  205. Injector change advice
  206. Loss of power and hard down shift at 1st gear
  207. Fuel filter housing
  208. Lb7 Injector Balance Rates?
  209. weird ticking above filter head
  210. Swap worth the trouble/cost ?
  211. starting issue fuel problem
  212. Blown IHI.....anything I can do with it?
  213. Need advice...what to do...
  214. fuel milage concern
  215. leakage from aftercooler line
  216. Oil leakage from after cooler lower hose....red in color
  217. Lb7 issues
  218. Looking at first Duramax
  219. Front end shudder
  220. LB7 power loss
  221. Injector life span
  222. MAF Voltage too low?
  223. Coolant Fill
  224. inj trouble ..maybe
  225. Injectors replaced and still problems
  226. LB7 very slight knocking
  227. All New Injectors
  228. truck shutts off while driving
  229. Smoke or Steam coming from engine?
  230. Lb7 still leaking coolant in cyl 7 after complete head job
  231. Low Rail Pressure, but with a twist!
  232. Oil Dipstick Housing
  233. 2001 bearings
  234. fuel system? code 0098
  235. Problems with Starting
  236. lb7 blew white smoke and died
  237. 2001 ECM's interchangeable?
  238. 03 lb7 new injectors rough idle no power and white smoke
  239. Lb7 been acting up
  240. 03 lb7 new injectors rough idle no power and white smoke
  241. 2002 DMax 6.6
  242. Not hitting max boost
  243. GM campaign sticker
  244. LB7 Injector Replacement Problem
  245. Copper in oil
  246. Lb7 fueling or air problem
  247. Lope
  248. bad injectors or fpr? would appreciate any help
  249. bad hydroboost or master cylinder?
  250. Broken crank pins

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