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

: 01-04.5 LB7 Duramax Powertrain



  1. Injector troubleshooting with mt-2500
  2. White/blueish Smoke after cp3 replacement
  3. Vin check please
  4. No start
  5. heater core coolant connection?
  6. LB7 Steering Reassembly advice
  7. 03 Stinks BUT not like sulpher
  8. 02 LB7 Limp mode/ tranny issues
  9. NSBU diagnosing???
  10. No power passing at 100kph
  11. Replace Pushrods with Headgaskets?
  12. Best Duramax Code Reader For Money
  13. Headgasket & Injectors
  14. SLUGGISH 2001 LB7 DM 4x4 XCab SRW LB
  15. Lope at idle/rpm drop
  16. Coolant in Oil, Frozen Block
  17. Truck starts and dies
  18. Damn heart transplant
  19. Return tester
  20. Transfer Case leak and black fluid 04 lb7
  21. Leaving a duramax plugged in
  22. quick question and desprate for a few answers
  23. New lb7 owner
  24. 2004 LB7 4WD Issue
  25. Blue smoke from LB7
  26. Glow plugs
  27. Coolant/heater hose replace question
  28. Dropped MPG's after new injectors.
  29. 03 LB7 will not start
  30. 2003 LB7 will not start
  31. New fpr installed, surge got consistant and faster but less noticeable
  32. Will not start, NEED HELP PLEASE
  33. New owner - Some questions
  34. 2001 Flex plate issues
  35. Coolant HELP
  36. One for the pros...
  37. HELP! - LB7 - Crank, no start condition
  38. New Duramax Owner!!!
  39. LB7 Injector questions
  40. FREE BEER FOR YOUR HELP!!!!!! FPR PROBLEMS-Supply Voltage
  41. A good water separator?
  42. Taking LB7 to the shop...advice?
  43. Does this really work?
  44. Need help identifying sound
  45. Coolant Leak!! Help!
  46. VERY loud rattle under cab @ 60-70 mph
  47. Tuning truck with 360K a bad idea?
  48. Advice On Lift And Rims
  49. Is this a good deal?
  50. 02 LB7 Build: Evenly Balanced?
  51. Low Rev
  52. Injector Testing Shops ?
  53. IGN B Fuse
  54. Help lb7 problems! diesel shops near minnesota
  55. Please help, code p0872
  56. ECU locked?
  57. Smoking out of the exhaust
  58. Driver side coolant leak
  59. Lb7 fpr o ring
  60. Lb7 dmax info
  61. Bleeding Brakes
  62. stock lb7 with EGR data wanted
  63. Just ordered all these parts.What can i expect? Add?
  64. Trans control module code
  65. Should I be worried about this?
  66. Fuel Problems
  67. LB7 Front Diff
  68. 6.0 to 6.6 conversation
  69. filter lift pump
  70. EGR operating backwards? EFILIVE data + Pic
  71. Trouble code u2401
  72. 03 lb7 white smoke issue
  73. 01 LB7 Duramax No Start [Fuel Issues]
  74. 05 Duramax smaller allen head bolts reuse
  75. Towe Haul/OD button
  76. reasonable brake line replacement cost?
  77. Transmission exhaust hanger?
  78. 2003 P0711 error code
  79. Truck died and won't start, multiple codes. 2003 Lb7
  80. '04 Engine Problems
  81. Slight surge?
  82. HELP Excessive Blowby
  83. LB7 Cali EGR Help!!
  84. LB7 Cali ERG Help!!
  85. Very odd, hard cold start issue.
  86. New to me lb7 with a sputter
  87. Glow plug system
  88. Injectors
  89. Power Loss
  90. HELP! Injectors? FPR? Air in my system somewhere.
  91. Boost valve
  92. help with Allison
  93. Fabtech tie rods
  94. reversed jumper cables fried a control module
  95. Centerlink and Steering stabilizer
  96. average lifespan of fuel injectors?
  97. Is this injectors???
  98. Lb7 stock rebuild
  99. 2004 lb7 trans issues
  100. Fuel Injectors
  101. No Start
  102. Average life span
  103. Exhaust manifold
  104. New injector keeps going bad! Advice please!
  105. 03 Silverado Trans Slip?
  106. Injector harness
  107. black smoke
  108. 2001 lb7 trys to start without the key in the ignition
  109. Low Oil Pressure after Thermostat change
  110. startup issues/intermittent dying issues
  111. New dealer injectors, less power
  112. LB7 startup rough unusual issue
  113. Was this hydrolock?
  114. lb7 balance rates
  115. LB7 Oil Pressure went to 0 while driving
  116. Won't start
  117. 03 Duramax Won't start, Please Help!
  118. 02 lb7 cranks but wont start
  119. Can I use an LMM bare block to build an LB7
  120. Erratic Desired Rail Pressure
  121. lbz cp3 on lb7 help
  122. Anti theft mods?
  123. Coolant leak
  124. 2004 LB7 High Idle - Issues
  125. LB7 Oil Pressure went to zero Bad leak on drivers side of engine
  126. Tire sizes
  127. Couple of things happening
  128. cold engine temp
  129. lb7 headgasket..
  130. Running Cold
  131. Headgasket or Injector Cups?
  132. Brake Lines - Prebent or make my own?
  133. New LB7 no start & air dog probs
  134. 2003 Duramax LB7 white smoke, making oil etc.
  135. Oil out of exhaust
  136. Mystery Nuts
  137. Not Getting Fuel
  138. White smoke, smells like raw fuel
  139. transmission issues
  140. Oil Pressure question
  141. Newbie to DMAX, will Gasoline fuel sending units work for Duramax?
  142. Edge Insight CTS
  143. Winter Warm-Up?
  144. Knocking noise, not the engine
  145. Lb7 grinding starter
  146. LB7 High Rail Pressure-LOW FPR voltage
  147. fuel leak white smoke
  148. Bolts??
  149. Exhaust leak or injector knock
  150. Injector R&R time.
  151. LB7 Stopped Making Oil
  152. LB7 Eating Coolant...Never Runs Hot Though...
  153. LB7 cylinder head
  154. Coolant diagram
  155. Your opinion
  156. Help!
  157. Heads not machinable?
  158. waste gate function
  159. 2 Stroke Oil, or not...
  160. where can i find an EGR cooler
  161. LB7 shake at idle - PLEASE READ!!
  162. 2004 LB7 Problem
  163. LB7 Injector Basics
  164. Rough Idle
  165. Lb7 duramax ticking
  166. Please help with diagnostics
  167. Buying a LB7
  168. New injectors test start
  169. Losing coolant
  170. Injector #8 rate after replacemet
  171. Lb7 head gasket blown
  172. My LB7 is out of the truck, what should I be replacing?
  173. 02 Lb7 fuel in oil?
  174. new injectors causing me grief
  175. loss of power under load
  176. Factory theft detterent problem!😡
  177. Factory exhaust value?
  178. MAF sensor issues?
  179. Unkown noise
  180. 2002 lb7 smoke at idle and acceleration
  181. Transmission and power steering issue all at once
  182. Squeak noise under the cab
  183. Slight diesel smell
  184. Bad shake
  185. Loosing Coolant - Lots of white exhaust smoke
  186. Bad misfire/only running on odd cylinders
  187. Pcv diaphragm
  188. Tail light doesn't work?
  189. Lopey Sound
  190. Whistling Duramax
  191. Headgasket question
  192. Loss of Oil Pressure
  193. Original injectors or not?
  194. Oil dip stick??? Original???
  195. Service Engine light after lift pump install
  196. TCCM with a green plug HELP!
  197. Should I buy this 2004 GMC 2500
  198. Need immediate help LB7
  199. LB7 New Injectors
  200. lopy after lift pump. help
  201. GM (OEM) part number for SIR (clock spring)
  202. Pitman/idler play
  203. Can A Dealer Inspection Spot a Transfer Case Issue?
  204. Repairs to correct LB7 low fuel mileage?
  205. 2002 LB7 code p1093 PLEASE HELP
  206. What should I do?
  207. Blowing transfer shift motor not using 4wd at all
  208. School Me On LB7 Fuel System
  209. Bad Fuel leak and i cant find it
  210. Axle seal
  211. LB7 Y-Bridge
  212. low rail pressure after engine swap
  213. New Truck!! Limp mode!!
  214. Groaning from Powersteering
  215. 2004 blow by
  216. Coolant Leak at Bellhousing After Water Pump and Oil Cooler Removed
  217. Low mpgs
  218. Really odd problem with my 02
  219. Fuel routing question
  220. LB7 to LBZ SWAP
  221. wont start in colder temps
  222. LB7 wont start in colder temps
  223. transmission mount not lining up
  224. CEL code P0087
  225. Allison issue
  226. Surging idle while in gear
  227. Limp mode on startup, runs after warmed up
  228. Anyone replaced the coolant tube o-ring in the oil cooler?
  229. Lb7 spun cam bearing blown turbo
  230. Shooting for 12s
  231. Sarasota help
  232. 03 lb7 Egr cooler gasket??
  233. Mpg??
  234. 03 lb7 no brakes
  235. No Start on Cold Mornings
  236. Blue smoke @ Idle
  237. Steering gear box woes!
  238. so riddle me this... battery/charging issues?
  239. Injector Cup Inside ID?
  240. Tcm or ecm?
  241. Fpr
  242. FASS parts
  243. Headache
  244. Internal coolant leak
  245. Transmission electrical issue
  246. Oil leak
  247. 03 fuel in oil and low oil pressure questions
  248. Transfercase problem
  249. Fpr
  250. Front main seal failure