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

: 01-04.5 LB7 Duramax Powertrain



  1. 01 LB7 Duramax No Start [Fuel Issues]
  2. 05 Duramax smaller allen head bolts reuse
  3. Towe Haul/OD button
  4. reasonable brake line replacement cost?
  5. Transmission exhaust hanger?
  6. 2003 P0711 error code
  7. Truck died and won't start, multiple codes. 2003 Lb7
  8. '04 Engine Problems
  9. Slight surge?
  10. HELP Excessive Blowby
  11. LB7 Cali EGR Help!!
  12. LB7 Cali ERG Help!!
  13. Very odd, hard cold start issue.
  14. New to me lb7 with a sputter
  15. Glow plug system
  16. Injectors
  17. Power Loss
  18. HELP! Injectors? FPR? Air in my system somewhere.
  19. Boost valve
  20. help with Allison
  21. Fabtech tie rods
  22. reversed jumper cables fried a control module
  23. Centerlink and Steering stabilizer
  24. average lifespan of fuel injectors?
  25. Is this injectors???
  26. Lb7 stock rebuild
  27. 2004 lb7 trans issues
  28. Fuel Injectors
  29. No Start
  30. Average life span
  31. Exhaust manifold
  32. New injector keeps going bad! Advice please!
  33. 03 Silverado Trans Slip?
  34. Injector harness
  35. black smoke
  36. 2001 lb7 trys to start without the key in the ignition
  37. Low Oil Pressure after Thermostat change
  38. startup issues/intermittent dying issues
  39. New dealer injectors, less power
  40. LB7 startup rough unusual issue
  41. Was this hydrolock?
  42. lb7 balance rates
  43. LB7 Oil Pressure went to 0 while driving
  44. Won't start
  45. 03 Duramax Won't start, Please Help!
  46. 02 lb7 cranks but wont start
  47. Can I use an LMM bare block to build an LB7
  48. Erratic Desired Rail Pressure
  49. lbz cp3 on lb7 help
  50. Anti theft mods?
  51. Coolant leak
  52. 2004 LB7 High Idle - Issues
  53. LB7 Oil Pressure went to zero Bad leak on drivers side of engine
  54. Tire sizes
  55. Couple of things happening
  56. cold engine temp
  57. lb7 headgasket..
  58. Running Cold
  59. Headgasket or Injector Cups?
  60. Brake Lines - Prebent or make my own?
  61. New LB7 no start & air dog probs
  62. 2003 Duramax LB7 white smoke, making oil etc.
  63. Oil out of exhaust
  64. Mystery Nuts
  65. Not Getting Fuel
  66. White smoke, smells like raw fuel
  67. transmission issues
  68. Oil Pressure question
  69. Newbie to DMAX, will Gasoline fuel sending units work for Duramax?
  70. Edge Insight CTS
  71. Winter Warm-Up?
  72. Knocking noise, not the engine
  73. Lb7 grinding starter
  74. LB7 High Rail Pressure-LOW FPR voltage
  75. fuel leak white smoke
  76. Bolts??
  77. Exhaust leak or injector knock
  78. Injector R&R time.
  79. LB7 Stopped Making Oil
  80. LB7 Eating Coolant...Never Runs Hot Though...
  81. LB7 cylinder head
  82. Coolant diagram
  83. Your opinion
  84. Help!
  85. Heads not machinable?
  86. waste gate function
  87. 2 Stroke Oil, or not...
  88. where can i find an EGR cooler
  89. LB7 shake at idle - PLEASE READ!!
  90. 2004 LB7 Problem
  91. LB7 Injector Basics
  92. Rough Idle
  93. Lb7 duramax ticking
  94. Please help with diagnostics
  95. Buying a LB7
  96. New injectors test start
  97. Losing coolant
  98. Injector #8 rate after replacemet
  99. Lb7 head gasket blown
  100. My LB7 is out of the truck, what should I be replacing?
  101. 02 Lb7 fuel in oil?
  102. new injectors causing me grief
  103. loss of power under load
  104. Factory theft detterent problem!😡
  105. Factory exhaust value?
  106. MAF sensor issues?
  107. Unkown noise
  108. 2002 lb7 smoke at idle and acceleration
  109. Transmission and power steering issue all at once
  110. Squeak noise under the cab
  111. Slight diesel smell
  112. Bad shake
  113. Loosing Coolant - Lots of white exhaust smoke
  114. Bad misfire/only running on odd cylinders
  115. Pcv diaphragm
  116. Tail light doesn't work?
  117. Lopey Sound
  118. Whistling Duramax
  119. Headgasket question
  120. Loss of Oil Pressure
  121. Original injectors or not?
  122. Oil dip stick??? Original???
  123. Service Engine light after lift pump install
  124. TCCM with a green plug HELP!
  125. Should I buy this 2004 GMC 2500
  126. Need immediate help LB7
  127. LB7 New Injectors
  128. lopy after lift pump. help
  129. GM (OEM) part number for SIR (clock spring)
  130. Pitman/idler play
  131. Can A Dealer Inspection Spot a Transfer Case Issue?
  132. Repairs to correct LB7 low fuel mileage?
  133. 2002 LB7 code p1093 PLEASE HELP
  134. What should I do?
  135. Blowing transfer shift motor not using 4wd at all
  136. School Me On LB7 Fuel System
  137. Bad Fuel leak and i cant find it
  138. Axle seal
  139. LB7 Y-Bridge
  140. low rail pressure after engine swap
  141. New Truck!! Limp mode!!
  142. Groaning from Powersteering
  143. 2004 blow by
  144. Coolant Leak at Bellhousing After Water Pump and Oil Cooler Removed
  145. Low mpgs
  146. Really odd problem with my 02
  147. Fuel routing question
  148. LB7 to LBZ SWAP
  149. wont start in colder temps
  150. LB7 wont start in colder temps
  151. transmission mount not lining up
  152. CEL code P0087
  153. Allison issue
  154. Surging idle while in gear
  155. Limp mode on startup, runs after warmed up
  156. Anyone replaced the coolant tube o-ring in the oil cooler?
  157. Lb7 spun cam bearing blown turbo
  158. Shooting for 12s
  159. Sarasota help
  160. 03 lb7 Egr cooler gasket??
  161. Mpg??
  162. 03 lb7 no brakes
  163. No Start on Cold Mornings
  164. Blue smoke @ Idle
  165. Steering gear box woes!
  166. so riddle me this... battery/charging issues?
  167. Injector Cup Inside ID?
  168. Tcm or ecm?
  169. Fpr
  170. FASS parts
  171. Headache
  172. Internal coolant leak
  173. Transmission electrical issue
  174. Oil leak
  175. 03 fuel in oil and low oil pressure questions
  176. Transfercase problem
  177. Fpr
  178. Front main seal failure
  179. IAT sensor relocation
  180. lopey idle black smoke off idle
  181. FPR or injector??
  182. Fuel Filter Head
  183. Need a v2 adapted
  184. Lift pump issue
  185. 03' Duramax Hit By Lightning
  186. 2003 Duramax died and will not start
  187. Erratic Tranny
  188. LB7 Dies in 5th gear
  189. LB7 Fuel Issues (Possible Injectors or CP3)
  190. Help!!! Driving this morning trans went in neutral
  191. Fuel in oil!!!!
  192. Water In Fuel Sensor - Wiring to Push Connector Broken
  193. Help
  194. Lb7 turbo heat shield
  195. Fass install questions
  196. Fuel system issues
  197. blue smoke miss fire when cold
  198. Help. Running engine cleaner now & have question
  199. HELP, bad fuel??
  200. New to duramax
  201. 14 Rear Axle Seals
  202. Could use some help - what looks like oil in coolant overflow tank
  203. Need help choosing LB7 injector
  204. Help! Engine codes!
  205. RPM dependent whine---Hydroboost???
  206. Lb7 rebuild questions
  207. 03 2500HD AC issues, PLEASE HELP!
  208. Need help diagnosing! Headgasket/injector sleeve
  209. P0700& p0730 trans codes help
  210. Crankcase cover question
  211. smoke
  212. Pulling out the engine
  213. help, lb7 problems
  214. Preventative Maintenance LB7
  215. Maf woes
  216. What's the difference between 5w40 and 15w40?
  217. Alternator upgrade
  218. Had to prime to start
  219. injectors,cp3,or other ideas
  220. Explosive boost leak test
  221. There has to be a better way!
  222. HELP! P0380 code and starting issues!
  223. I want a duramax
  224. Erg
  225. New To Forum Could Use Some Help on 1st Diesel
  226. Oil or something in my coolant tank....??
  227. Cp3 toasted?
  228. 01 LB7 Coolant Leak
  229. Allison trans
  230. LB7 Missfire. No Compression
  231. No throttle response
  232. I need help
  233. Ign switch help
  234. CV Axle nut removal suggestions. Help.
  235. New Injectors STILL SMOKING!!
  236. Coolant problem
  237. Bent Pushrods?
  238. On start up my a/c blows warm help!!!
  239. Truck running terrible please help
  240. More Injector Questions
  241. Question about injector replacement
  242. Best place to get injectors
  243. LB7 Duramax lopes bad and dies after new injectors
  244. LB7 Lopes bad and won't stay running after new injectors
  245. 2003 Starting to smoke
  246. Help Please p1261 201 204 206 207
  247. U1300 code stored
  248. Advice on purchasing an LB7
  249. Oil Centrifuge
  250. Buying a Lb7 with ne/cali emissions HELP!!