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

: 01-04.5 LB7 Duramax Powertrain



  1. High EGT, low boost, fresh head gaskets
  2. Please help. Couple injector install Q's
  3. egr fault after injector change
  4. Radiator
  5. High pressure lines help!
  6. LB7 loss power while towing
  7. Injector cleaned
  8. another 04' LB7 won't start after injector replacement
  9. Can't find a TCM
  10. CP3 stuck
  11. Mishimoto is Looking for loaner for R&D
  12. No Compression...... (Sad face)
  13. LB7 Power Steering Going out
  14. Assistance Identifying hose
  15. 01 need some help
  16. 2004 Lb7 all of the sudden will crank but no start? Please help!!!
  17. It's Allison time
  18. Cleaning procedure for new head gaskets
  19. HELP! 2002 Lb7
  20. problem i cant figure out
  21. problem i cant figure out
  22. Lift pump
  23. Bad FPR?
  24. Horn won't blow
  25. Truck is going Awall
  26. Anything to do on block before HG install?
  27. LB7 Code U1800 FCIM wire chafe
  28. A/c issues!!!!! Still
  29. Codes on Lb7
  30. LB7 Ran out of fuel before light
  31. Watching fuel gauge drop
  32. Low rail pressure, oily cp3
  33. injectors cups or sleeves
  34. LBZ Redo
  35. LB7 injectors bad 34k
  36. Motor and Trans Swap
  37. Lb7 inter cooler and piping with oil
  38. Oil Pan Swap w Cognito Lift
  39. Major loss of power when warms up, no CEL.
  40. Injectors
  41. Blend door failure but which one
  42. Crank no start
  43. Please help! Like a grenade went off
  44. Injector troubleshooting with mt-2500
  45. White/blueish Smoke after cp3 replacement
  46. Vin check please
  47. No start
  48. heater core coolant connection?
  49. LB7 Steering Reassembly advice
  50. 03 Stinks BUT not like sulpher
  51. 02 LB7 Limp mode/ tranny issues
  52. NSBU diagnosing???
  53. No power passing at 100kph
  54. Replace Pushrods with Headgaskets?
  55. Best Duramax Code Reader For Money
  56. Headgasket & Injectors
  57. SLUGGISH 2001 LB7 DM 4x4 XCab SRW LB
  58. Lope at idle/rpm drop
  59. Coolant in Oil, Frozen Block
  60. Truck starts and dies
  61. Damn heart transplant
  62. Return tester
  63. Transfer Case leak and black fluid 04 lb7
  64. Leaving a duramax plugged in
  65. quick question and desprate for a few answers
  66. New lb7 owner
  67. 2004 LB7 4WD Issue
  68. Blue smoke from LB7
  69. Glow plugs
  70. Coolant/heater hose replace question
  71. Dropped MPG's after new injectors.
  72. 03 LB7 will not start
  73. 2003 LB7 will not start
  74. New fpr installed, surge got consistant and faster but less noticeable
  75. Will not start, NEED HELP PLEASE
  76. New owner - Some questions
  77. 2001 Flex plate issues
  78. Coolant HELP
  79. One for the pros...
  80. HELP! - LB7 - Crank, no start condition
  81. New Duramax Owner!!!
  82. LB7 Injector questions
  83. FREE BEER FOR YOUR HELP!!!!!! FPR PROBLEMS-Supply Voltage
  84. A good water separator?
  85. Taking LB7 to the shop...advice?
  86. Does this really work?
  87. Need help identifying sound
  88. Coolant Leak!! Help!
  89. VERY loud rattle under cab @ 60-70 mph
  90. Tuning truck with 360K a bad idea?
  91. Advice On Lift And Rims
  92. Is this a good deal?
  93. 02 LB7 Build: Evenly Balanced?
  94. Low Rev
  95. Injector Testing Shops ?
  96. IGN B Fuse
  97. Help lb7 problems! diesel shops near minnesota
  98. Please help, code p0872
  99. ECU locked?
  100. Smoking out of the exhaust
  101. Driver side coolant leak
  102. Lb7 fpr o ring
  103. Lb7 dmax info
  104. Bleeding Brakes
  105. stock lb7 with EGR data wanted
  106. Just ordered all these parts.What can i expect? Add?
  107. Trans control module code
  108. Should I be worried about this?
  109. Fuel Problems
  110. LB7 Front Diff
  111. 6.0 to 6.6 conversation
  112. filter lift pump
  113. EGR operating backwards? EFILIVE data + Pic
  114. Trouble code u2401
  115. 03 lb7 white smoke issue
  116. 01 LB7 Duramax No Start [Fuel Issues]
  117. 05 Duramax smaller allen head bolts reuse
  118. Towe Haul/OD button
  119. reasonable brake line replacement cost?
  120. Transmission exhaust hanger?
  121. 2003 P0711 error code
  122. Truck died and won't start, multiple codes. 2003 Lb7
  123. '04 Engine Problems
  124. Slight surge?
  125. HELP Excessive Blowby
  126. LB7 Cali EGR Help!!
  127. LB7 Cali ERG Help!!
  128. Very odd, hard cold start issue.
  129. New to me lb7 with a sputter
  130. Glow plug system
  131. Injectors
  132. Power Loss
  133. HELP! Injectors? FPR? Air in my system somewhere.
  134. Boost valve
  135. help with Allison
  136. Fabtech tie rods
  137. reversed jumper cables fried a control module
  138. Centerlink and Steering stabilizer
  139. average lifespan of fuel injectors?
  140. Is this injectors???
  141. Lb7 stock rebuild
  142. 2004 lb7 trans issues
  143. Fuel Injectors
  144. No Start
  145. Average life span
  146. Exhaust manifold
  147. New injector keeps going bad! Advice please!
  148. 03 Silverado Trans Slip?
  149. Injector harness
  150. black smoke
  151. 2001 lb7 trys to start without the key in the ignition
  152. Low Oil Pressure after Thermostat change
  153. startup issues/intermittent dying issues
  154. New dealer injectors, less power
  155. LB7 startup rough unusual issue
  156. Was this hydrolock?
  157. lb7 balance rates
  158. LB7 Oil Pressure went to 0 while driving
  159. Won't start
  160. 03 Duramax Won't start, Please Help!
  161. 02 lb7 cranks but wont start
  162. Can I use an LMM bare block to build an LB7
  163. Erratic Desired Rail Pressure
  164. lbz cp3 on lb7 help
  165. Anti theft mods?
  166. Coolant leak
  167. 2004 LB7 High Idle - Issues
  168. LB7 Oil Pressure went to zero Bad leak on drivers side of engine
  169. Tire sizes
  170. Couple of things happening
  171. cold engine temp
  172. lb7 headgasket..
  173. Running Cold
  174. Headgasket or Injector Cups?
  175. Brake Lines - Prebent or make my own?
  176. New LB7 no start & air dog probs
  177. 2003 Duramax LB7 white smoke, making oil etc.
  178. Oil out of exhaust
  179. Mystery Nuts
  180. Not Getting Fuel
  181. White smoke, smells like raw fuel
  182. transmission issues
  183. Oil Pressure question
  184. Newbie to DMAX, will Gasoline fuel sending units work for Duramax?
  185. Edge Insight CTS
  186. Winter Warm-Up?
  187. Knocking noise, not the engine
  188. Lb7 grinding starter
  189. LB7 High Rail Pressure-LOW FPR voltage
  190. fuel leak white smoke
  191. Bolts??
  192. Exhaust leak or injector knock
  193. Injector R&R time.
  194. LB7 Stopped Making Oil
  195. LB7 Eating Coolant...Never Runs Hot Though...
  196. LB7 cylinder head
  197. Coolant diagram
  198. Your opinion
  199. Help!
  200. Heads not machinable?
  201. waste gate function
  202. 2 Stroke Oil, or not...
  203. where can i find an EGR cooler
  204. LB7 shake at idle - PLEASE READ!!
  205. 2004 LB7 Problem
  206. LB7 Injector Basics
  207. Rough Idle
  208. Lb7 duramax ticking
  209. Please help with diagnostics
  210. Buying a LB7
  211. New injectors test start
  212. Losing coolant
  213. Injector #8 rate after replacemet
  214. Lb7 head gasket blown
  215. My LB7 is out of the truck, what should I be replacing?
  216. 02 Lb7 fuel in oil?
  217. new injectors causing me grief
  218. loss of power under load
  219. Factory theft detterent problem!😡
  220. Factory exhaust value?
  221. MAF sensor issues?
  222. Unkown noise
  223. 2002 lb7 smoke at idle and acceleration
  224. Transmission and power steering issue all at once
  225. Squeak noise under the cab
  226. Slight diesel smell
  227. Bad shake
  228. Loosing Coolant - Lots of white exhaust smoke
  229. Bad misfire/only running on odd cylinders
  230. Pcv diaphragm
  231. Tail light doesn't work?
  232. Lopey Sound
  233. Whistling Duramax
  234. Headgasket question
  235. Loss of Oil Pressure
  236. Original injectors or not?
  237. Oil dip stick??? Original???
  238. Service Engine light after lift pump install
  239. TCCM with a green plug HELP!
  240. Should I buy this 2004 GMC 2500
  241. Need immediate help LB7
  242. LB7 New Injectors
  243. lopy after lift pump. help
  244. GM (OEM) part number for SIR (clock spring)
  245. Pitman/idler play
  246. Can A Dealer Inspection Spot a Transfer Case Issue?
  247. Repairs to correct LB7 low fuel mileage?
  248. 2002 LB7 code p1093 PLEASE HELP
  249. What should I do?
  250. Blowing transfer shift motor not using 4wd at all