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

: 01-04.5 LB7 Duramax Powertrain



  1. EGR Cooler
  2. Broken Fuel Line Help
  3. Additional whistle sound after eating parts.
  4. Loss of power after acceleration
  5. Bleeding hydro boost.
  6. Allison overheating amd lurking at a stop
  7. LB7 5V reference P0641 wiring issue?
  8. crank wont start...
  9. Lb7 down pipe.power issue..
  10. Need to find injector sensor wire, and vehicle speed sensor
  11. I'm Guess This Is NOT Normal? (lots of smoke)
  12. Air intake band clamp
  13. Fan clutch
  14. Idle Hazing, a little deeper
  15. ZF6 to Allison 6 speed swap
  16. Balance rates good but still hazes
  17. Changed injectors 04 lb7 now won't t start
  18. LB7 Nightmare
  19. Fuel in oil
  20. Fuel Leak - Help please
  21. Transmission leaks
  22. LB7 Water Pump Replacement
  23. Brake line replacement
  24. New England Shop Sugestions.
  25. Replacement Turbo?
  26. Power steering fluid and cooler
  27. Considering an lb7
  28. Transmisson Problems
  29. Unfamilar NSBU part number
  30. 2003 Lb7 sucking air constantly
  31. Why are LB7 inj worse than others?
  32. 2002 lb7, what would you say it's worth?
  33. Tracking down that pesky vibration!
  34. Belt size different 105amp and 145amp alternators??
  35. Truck won't crank
  36. Mishimoto's Duramax Trans Cooler R&D Thread
  37. new injectors
  38. Security light on but stayed running
  39. injector question
  40. NSBU Color Question
  41. Barometric sensor
  42. 2004 LB7 nort
  43. Is she gone???
  44. 2004 LB7 650HP complete rebuild.
  45. Loud banging when spinning tires
  46. 01 TCM code 2810? junk yard
  47. EFI Live Questions...
  48. 03 LB7 Crank but no start.
  49. 3rd set of injectors
  50. 01 LB7 To 77 body 73 Frame Chevy k10
  51. 3rd set of injectors
  52. 02 lb7 cuts out
  53. 02 lb7 cuts out
  54. Rear Diff Fill Plug leaking badly...
  55. Firm thump when slowing down
  56. Even bank of injectors changed.... sigh....
  57. Lost accelerator? Well not physically
  58. Codes please help
  59. Intermittent Injector Problem?
  60. What could cause this?
  61. Hate to always blame tuning...
  62. 04 LB7 possible Injector issue.
  63. Even more problems. Is my FICM fried?
  64. No start overnight
  65. Another Brake and P&I arm post
  66. coolant loss issue
  67. Questions for a head gasket quote
  68. Can't find the issue, Help
  69. Plz help, lb7 running like one legged dog past half throttle
  70. Possible injector issue, looking for advice.
  71. 2003 intermittent dead gas pedal
  72. NUBE needs air box help
  73. No start when warm
  74. Lb7 injector rates
  75. After market turbo air horn
  76. bought a no start truck, need help please
  77. Adjusting the front torsion bars
  78. LB7 Injector cup stuck in head
  79. LB7 cranks but wont start!!!!
  80. Transmission Woes
  81. New FPR and it runs worse
  82. Low Coolant Level Warning - Coolant Level is Fine
  83. Power Steering Fluid Capacity
  84. Odd idle after injectors/HG
  85. Father time just got me!
  86. Oil Filler Cap Blown off
  87. Changed Lower Rad Hose, Airlock?
  88. Smoke is worse after Upper Engine/Injector Clean
  89. Losing Prime?
  90. Code P0500
  91. Just replaced injectors, now head gasket?
  92. Fuel rail pressure sensor part #
  93. Need help identifying vin on engine
  94. How Long do Headgaskets leak and is this normal oil pump behavior?
  95. Turbo help
  96. Help! First Diesel! 2003 Silverado 2500
  97. Airdog 4G Issues?
  98. LLY Swap into an 03 LBY- Will a Cargo Express LLY work?
  99. 2001 duramax problem
  100. Weird Issues with LB7
  101. LB7 330000 rebuilt transmission
  102. Unlock NAV radio
  103. 03 LB7 won't run. Starts, white smoke and immediately dies.
  104. Blown Dmax engine?
  105. Truck died need some advice
  106. mpg loss after new injectors installed! Any new info? Help
  107. Odd PS pump/hydroboost question. I'm stumped
  108. Mechanic Claims wrist pin is bad???
  109. 2003 with 300000km??
  110. Steering and suspension upgrades
  111. Screwed up. Put a gouge in the head.
  112. Lb7 fpr replacement
  113. Should I be concerned....
  114. 2003 LB7 to 2006 LLY Swap
  115. LB7 knocking, missing
  116. LB7 knocking, missing
  117. Emergency measures
  118. 01 price check?
  119. Well guys, I screwed up
  120. Random Spudder/miss/fuel knock
  121. P0710
  122. EGR Garbage HELP!
  123. Easy Question
  124. LB7 Filter Head Issue
  125. Turbo wheel install- Help
  126. Please help injector washer
  127. High EGT, low boost, fresh head gaskets
  128. Please help. Couple injector install Q's
  129. egr fault after injector change
  130. Radiator
  131. High pressure lines help!
  132. LB7 loss power while towing
  133. Injector cleaned
  134. another 04' LB7 won't start after injector replacement
  135. CP3 stuck
  136. Mishimoto is Looking for loaner for R&D
  137. No Compression...... (Sad face)
  138. LB7 Power Steering Going out
  139. Assistance Identifying hose
  140. 01 need some help
  141. 2004 Lb7 all of the sudden will crank but no start? Please help!!!
  142. It's Allison time
  143. Cleaning procedure for new head gaskets
  144. HELP! 2002 Lb7
  145. problem i cant figure out
  146. problem i cant figure out
  147. Lift pump
  148. Bad FPR?
  149. Horn won't blow
  150. Truck is going Awall
  151. Anything to do on block before HG install?
  152. LB7 Code U1800 FCIM wire chafe
  153. A/c issues!!!!! Still
  154. Codes on Lb7
  155. LB7 Ran out of fuel before light
  156. Watching fuel gauge drop
  157. Low rail pressure, oily cp3
  158. injectors cups or sleeves
  159. LBZ Redo
  160. LB7 injectors bad 34k
  161. Motor and Trans Swap
  162. Lb7 inter cooler and piping with oil
  163. Oil Pan Swap w Cognito Lift
  164. Major loss of power when warms up, no CEL.
  165. Injectors
  166. Blend door failure but which one
  167. Crank no start
  168. Please help! Like a grenade went off
  169. Injector troubleshooting with mt-2500
  170. White/blueish Smoke after cp3 replacement
  171. Vin check please
  172. No start
  173. heater core coolant connection?
  174. LB7 Steering Reassembly advice
  175. 03 Stinks BUT not like sulpher
  176. 02 LB7 Limp mode/ tranny issues
  177. NSBU diagnosing???
  178. No power passing at 100kph
  179. Replace Pushrods with Headgaskets?
  180. Best Duramax Code Reader For Money
  181. Headgasket & Injectors
  182. SLUGGISH 2001 LB7 DM 4x4 XCab SRW LB
  183. Lope at idle/rpm drop
  184. Coolant in Oil, Frozen Block
  185. Truck starts and dies
  186. Damn heart transplant
  187. Return tester
  188. Transfer Case leak and black fluid 04 lb7
  189. Leaving a duramax plugged in
  190. quick question and desprate for a few answers
  191. New lb7 owner
  192. 2004 LB7 4WD Issue
  193. Blue smoke from LB7
  194. Glow plugs
  195. Coolant/heater hose replace question
  196. Dropped MPG's after new injectors.
  197. 03 LB7 will not start
  198. 2003 LB7 will not start
  199. New fpr installed, surge got consistant and faster but less noticeable
  200. Will not start, NEED HELP PLEASE
  201. New owner - Some questions
  202. 2001 Flex plate issues
  203. Coolant HELP
  204. One for the pros...
  205. HELP! - LB7 - Crank, no start condition
  206. New Duramax Owner!!!
  207. LB7 Injector questions
  208. FREE BEER FOR YOUR HELP!!!!!! FPR PROBLEMS-Supply Voltage
  209. A good water separator?
  210. Taking LB7 to the shop...advice?
  211. Does this really work?
  212. Need help identifying sound
  213. Coolant Leak!! Help!
  214. VERY loud rattle under cab @ 60-70 mph
  215. Tuning truck with 360K a bad idea?
  216. Advice On Lift And Rims
  217. Is this a good deal?
  218. 02 LB7 Build: Evenly Balanced?
  219. Low Rev
  220. Injector Testing Shops ?
  221. IGN B Fuse
  222. Help lb7 problems! diesel shops near minnesota
  223. Please help, code p0872
  224. ECU locked?
  225. Smoking out of the exhaust
  226. Driver side coolant leak
  227. Lb7 fpr o ring
  228. Lb7 dmax info
  229. Bleeding Brakes
  230. stock lb7 with EGR data wanted
  231. Just ordered all these parts.What can i expect? Add?
  232. Trans control module code
  233. Should I be worried about this?
  234. Fuel Problems
  235. LB7 Front Diff
  236. 6.0 to 6.6 conversation
  237. filter lift pump
  238. EGR operating backwards? EFILIVE data + Pic
  239. Trouble code u2401
  240. 03 lb7 white smoke issue
  241. 01 LB7 Duramax No Start [Fuel Issues]
  242. 05 Duramax smaller allen head bolts reuse
  243. Towe Haul/OD button
  244. reasonable brake line replacement cost?
  245. Transmission exhaust hanger?
  246. 2003 P0711 error code
  247. Truck died and won't start, multiple codes. 2003 Lb7
  248. '04 Engine Problems
  249. Slight surge?
  250. HELP Excessive Blowby