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

: 01-04.5 LB7 Duramax Powertrain



  1. Oil Filler Cap Blown off
  2. Changed Lower Rad Hose, Airlock?
  3. Smoke is worse after Upper Engine/Injector Clean
  4. Losing Prime?
  5. Code P0500
  6. Just replaced injectors, now head gasket?
  7. Fuel rail pressure sensor part #
  8. Need help identifying vin on engine
  9. How Long do Headgaskets leak and is this normal oil pump behavior?
  10. Turbo help
  11. Help! First Diesel! 2003 Silverado 2500
  12. Airdog 4G Issues?
  13. LLY Swap into an 03 LBY- Will a Cargo Express LLY work?
  14. 2001 duramax problem
  15. Weird Issues with LB7
  16. LB7 330000 rebuilt transmission
  17. Unlock NAV radio
  18. 03 LB7 won't run. Starts, white smoke and immediately dies.
  19. Blown Dmax engine?
  20. Truck died need some advice
  21. mpg loss after new injectors installed! Any new info? Help
  22. Odd PS pump/hydroboost question. I'm stumped
  23. Mechanic Claims wrist pin is bad???
  24. 2003 with 300000km??
  25. Steering and suspension upgrades
  26. Screwed up. Put a gouge in the head.
  27. Lb7 fpr replacement
  28. Should I be concerned....
  29. 2003 LB7 to 2006 LLY Swap
  30. LB7 knocking, missing
  31. LB7 knocking, missing
  32. Emergency measures
  33. 01 price check?
  34. Well guys, I screwed up
  35. Random Spudder/miss/fuel knock
  36. P0710
  37. EGR Garbage HELP!
  38. Easy Question
  39. LB7 Filter Head Issue
  40. Turbo wheel install- Help
  41. Please help injector washer
  42. High EGT, low boost, fresh head gaskets
  43. Please help. Couple injector install Q's
  44. egr fault after injector change
  45. Radiator
  46. High pressure lines help!
  47. LB7 loss power while towing
  48. Injector cleaned
  49. another 04' LB7 won't start after injector replacement
  50. CP3 stuck
  51. Mishimoto is Looking for loaner for R&D
  52. No Compression...... (Sad face)
  53. LB7 Power Steering Going out
  54. Assistance Identifying hose
  55. 01 need some help
  56. 2004 Lb7 all of the sudden will crank but no start? Please help!!!
  57. It's Allison time
  58. Cleaning procedure for new head gaskets
  59. HELP! 2002 Lb7
  60. problem i cant figure out
  61. problem i cant figure out
  62. Lift pump
  63. Bad FPR?
  64. Horn won't blow
  65. Truck is going Awall
  66. Anything to do on block before HG install?
  67. LB7 Code U1800 FCIM wire chafe
  68. A/c issues!!!!! Still
  69. Codes on Lb7
  70. LB7 Ran out of fuel before light
  71. Watching fuel gauge drop
  72. Low rail pressure, oily cp3
  73. injectors cups or sleeves
  74. LBZ Redo
  75. LB7 injectors bad 34k
  76. Motor and Trans Swap
  77. Lb7 inter cooler and piping with oil
  78. Oil Pan Swap w Cognito Lift
  79. Major loss of power when warms up, no CEL.
  80. Injectors
  81. Blend door failure but which one
  82. Crank no start
  83. Please help! Like a grenade went off
  84. Injector troubleshooting with mt-2500
  85. White/blueish Smoke after cp3 replacement
  86. Vin check please
  87. No start
  88. heater core coolant connection?
  89. LB7 Steering Reassembly advice
  90. 03 Stinks BUT not like sulpher
  91. 02 LB7 Limp mode/ tranny issues
  92. NSBU diagnosing???
  93. No power passing at 100kph
  94. Replace Pushrods with Headgaskets?
  95. Best Duramax Code Reader For Money
  96. Headgasket & Injectors
  97. SLUGGISH 2001 LB7 DM 4x4 XCab SRW LB
  98. Lope at idle/rpm drop
  99. Coolant in Oil, Frozen Block
  100. Truck starts and dies
  101. Damn heart transplant
  102. Return tester
  103. Transfer Case leak and black fluid 04 lb7
  104. Leaving a duramax plugged in
  105. quick question and desprate for a few answers
  106. New lb7 owner
  107. 2004 LB7 4WD Issue
  108. Blue smoke from LB7
  109. Glow plugs
  110. Coolant/heater hose replace question
  111. Dropped MPG's after new injectors.
  112. 03 LB7 will not start
  113. 2003 LB7 will not start
  114. New fpr installed, surge got consistant and faster but less noticeable
  115. Will not start, NEED HELP PLEASE
  116. New owner - Some questions
  117. 2001 Flex plate issues
  118. Coolant HELP
  119. One for the pros...
  120. HELP! - LB7 - Crank, no start condition
  121. New Duramax Owner!!!
  122. LB7 Injector questions
  123. FREE BEER FOR YOUR HELP!!!!!! FPR PROBLEMS-Supply Voltage
  124. A good water separator?
  125. Taking LB7 to the shop...advice?
  126. Does this really work?
  127. Need help identifying sound
  128. Coolant Leak!! Help!
  129. VERY loud rattle under cab @ 60-70 mph
  130. Tuning truck with 360K a bad idea?
  131. Advice On Lift And Rims
  132. Is this a good deal?
  133. 02 LB7 Build: Evenly Balanced?
  134. Low Rev
  135. Injector Testing Shops ?
  136. IGN B Fuse
  137. Help lb7 problems! diesel shops near minnesota
  138. Please help, code p0872
  139. ECU locked?
  140. Smoking out of the exhaust
  141. Driver side coolant leak
  142. Lb7 fpr o ring
  143. Lb7 dmax info
  144. Bleeding Brakes
  145. stock lb7 with EGR data wanted
  146. Just ordered all these parts.What can i expect? Add?
  147. Trans control module code
  148. Should I be worried about this?
  149. Fuel Problems
  150. LB7 Front Diff
  151. 6.0 to 6.6 conversation
  152. filter lift pump
  153. EGR operating backwards? EFILIVE data + Pic
  154. Trouble code u2401
  155. 03 lb7 white smoke issue
  156. 01 LB7 Duramax No Start [Fuel Issues]
  157. 05 Duramax smaller allen head bolts reuse
  158. Towe Haul/OD button
  159. reasonable brake line replacement cost?
  160. Transmission exhaust hanger?
  161. 2003 P0711 error code
  162. Truck died and won't start, multiple codes. 2003 Lb7
  163. '04 Engine Problems
  164. Slight surge?
  165. HELP Excessive Blowby
  166. LB7 Cali EGR Help!!
  167. LB7 Cali ERG Help!!
  168. Very odd, hard cold start issue.
  169. New to me lb7 with a sputter
  170. Glow plug system
  171. Injectors
  172. Power Loss
  173. HELP! Injectors? FPR? Air in my system somewhere.
  174. Boost valve
  175. help with Allison
  176. Fabtech tie rods
  177. reversed jumper cables fried a control module
  178. Centerlink and Steering stabilizer
  179. average lifespan of fuel injectors?
  180. Is this injectors???
  181. Lb7 stock rebuild
  182. 2004 lb7 trans issues
  183. Fuel Injectors
  184. No Start
  185. Average life span
  186. Exhaust manifold
  187. New injector keeps going bad! Advice please!
  188. 03 Silverado Trans Slip?
  189. Injector harness
  190. black smoke
  191. 2001 lb7 trys to start without the key in the ignition
  192. Low Oil Pressure after Thermostat change
  193. startup issues/intermittent dying issues
  194. New dealer injectors, less power
  195. LB7 startup rough unusual issue
  196. Was this hydrolock?
  197. lb7 balance rates
  198. LB7 Oil Pressure went to 0 while driving
  199. Won't start
  200. 03 Duramax Won't start, Please Help!
  201. 02 lb7 cranks but wont start
  202. Can I use an LMM bare block to build an LB7
  203. Erratic Desired Rail Pressure
  204. lbz cp3 on lb7 help
  205. Anti theft mods?
  206. Coolant leak
  207. 2004 LB7 High Idle - Issues
  208. LB7 Oil Pressure went to zero Bad leak on drivers side of engine
  209. Tire sizes
  210. Couple of things happening
  211. cold engine temp
  212. lb7 headgasket..
  213. Running Cold
  214. Headgasket or Injector Cups?
  215. Brake Lines - Prebent or make my own?
  216. New LB7 no start & air dog probs
  217. 2003 Duramax LB7 white smoke, making oil etc.
  218. Oil out of exhaust
  219. Mystery Nuts
  220. Not Getting Fuel
  221. White smoke, smells like raw fuel
  222. transmission issues
  223. Oil Pressure question
  224. Newbie to DMAX, will Gasoline fuel sending units work for Duramax?
  225. Edge Insight CTS
  226. Winter Warm-Up?
  227. Knocking noise, not the engine
  228. Lb7 grinding starter
  229. LB7 High Rail Pressure-LOW FPR voltage
  230. fuel leak white smoke
  231. Bolts??
  232. Exhaust leak or injector knock
  233. Injector R&R time.
  234. LB7 Stopped Making Oil
  235. LB7 Eating Coolant...Never Runs Hot Though...
  236. LB7 cylinder head
  237. Coolant diagram
  238. Your opinion
  239. Help!
  240. Heads not machinable?
  241. waste gate function
  242. 2 Stroke Oil, or not...
  243. where can i find an EGR cooler
  244. LB7 shake at idle - PLEASE READ!!
  245. 2004 LB7 Problem
  246. LB7 Injector Basics
  247. Rough Idle
  248. Lb7 duramax ticking
  249. Please help with diagnostics
  250. Buying a LB7