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

: 01-04.5 LB7 Duramax Powertrain



  1. 2003 2500hd 4x4 issue
  2. Losing boost at WOT
  3. Warning!! Cali EGR w/efilive
  4. Heaters on but supposed to be a/c
  5. Fan Clutch replacement
  6. Allison Trailer Tow mode causes harsh downshifts
  7. Muffler recommendations
  8. LB7 Allison Problems P0700 P0732 P0776 P0843
  9. Oil in coolant but no coolant in oil
  10. Checking injector balance rates
  11. P0106 post injector change
  12. Need advice about injectors
  13. Air Conditioning Problem
  14. Rubber seals for ficm bale plugs
  15. Wanted
  16. replaced cp3, now misfires on only one bank (1,3,5,7)
  17. LB7 Serpentine Issue
  18. Lb7 Duramax trouble
  19. 03 LB7 low FRP, no power
  20. losing coolant head gasket is good
  21. New (to me) 03 with a major problem
  22. Potato Potato Noise After Injectors
  23. 2002 LB7 Bad Injectors?
  24. A ton of "u" codes
  25. Injectors went and need opinions.
  26. No start after boost issues
  27. 2003 chevy LB7 wont stay running or wont start
  28. Please someone help
  29. 01 wont start/hard crank
  30. lb7 lift pump pressure questions
  31. CA LB7 EGR Removal for cleaning (not delete).
  32. Bad Turbo?
  33. 4834 Miles in 10 days...
  34. Drivetrain Help
  35. 2003 2500 HD wiring
  36. Cab Marker Lamps
  37. The Case of the Ghostly Check Engine Lamp....
  38. Lb7 clatter/missing
  39. Leveling Kit + Shocks
  40. Lb7 carnage!
  41. nsbu signs
  42. Another 2001 LB7 starting issue
  43. Overly dirty air filter?
  44. Hydraboost problem
  45. Smokey exhaust
  46. Lb7 died on highway!
  47. Air intake temperatures ??
  48. Potential purchase! Thanks in advance for helping!
  49. Truck Hiccups When Warm
  50. Glow plug p0380
  51. Injector DIY rebuild
  52. Zf6 swap
  53. Need some help here!
  54. Injector return line install?
  55. I'm lost
  56. Where does this go?
  57. Should I buy
  58. LB7will not prime
  59. G80 Swap
  60. DIC and MPG questions
  61. Air dog 165 problems
  62. 2004 AC Issues
  63. Buying a new Duramax
  64. Balance Rate vs Pulse Width/black smoke
  65. Running bad except tow/ haul mode
  66. 03 Cali emissions.. vacuum/wire question
  67. p0404 SURGE at idle, low mileage LB7 4x4
  68. lb7 fuel in oil
  69. Random Shutdown
  70. 02 duramax trouble
  71. Driveshaft question
  72. rattle at idle and shutdown
  73. Truck started whistling
  74. fuel filter head assembly
  75. 04 NO START post running low filter change
  76. lb7 won't crank
  77. Lb7 short block
  78. driving in 4x4??
  79. Just rebuilt by fuel filter head
  80. LB7 Turbo P.I.T.A
  81. Pouring white smoke & oil. Rattle. HELP PLZ
  82. realdiesel.com
  83. 2wd tranny seems hestitant when you get on the pedal?
  84. Making strange sound, Boost leak?
  85. PLEASE HELP 02 wont start
  86. Help cp3 or injectors
  87. EGR test and repair
  88. Found in Antifreeze
  89. 2003 226k crank no start still no luck
  90. What size Ring Gear do I have?
  91. map sensor
  92. Cooling Issue
  93. New injectors?
  94. Very light loping at idle, Throttle jumps without accelerating
  95. Lb7 Long crank no start
  96. Oil Consumption
  97. 04 lb7 phantom engine light?
  98. New body
  99. Bypass tube o ring hope this helps every one
  100. need help on a squeeking issue lb7
  101. Truck died and won't start! CRANK NO START, Need help 2003 LB7
  102. LB7 Top end Rebuild, Fuel system overhaul
  103. 2003 lb7 light surge at idle
  104. Nagging coolant leak
  105. small amount of black smoke at ide
  106. Good shops in oregon?
  107. 04 lb7 hellacious knock
  108. Fuel/Oil Leak nightmare
  109. Towing OK with leaking transfer case?
  110. 2003 Questions
  111. DRLS not working? Help?
  112. Low fuel pressure
  113. Check Engine Codes?
  114. Injector rates
  115. Coolant leak
  116. Originals ?
  117. LB7 Allison Trans acting up
  118. Beat to death but lost now. I've been searching for days
  119. Lb7 beat to death topic but lost
  120. 150-250 psi on rail pressure . Lb7 won't fire up
  121. Starting Isuues
  122. Leak? Brake Fluid?
  123. Half shaft clip broken
  124. low rail pressure when hot
  125. No crank or starter click after driving 3 hours!
  126. Cup Removal During Injector Replace
  127. Injector bolt breaking
  128. Massive Fuel Leak, Drivers Side.
  129. Tired of this LB7 HELP!!!
  130. LB7 Mass Air Flow Sensor (MAFS) ???? OEM or Aftermarket?
  131. remote lock/unlock
  132. New Thermostats now an oil leak ??
  133. LB7 stock platform build up
  134. LB7 problem after fixing FPR
  135. Limp in 5th
  136. Weird Electrical Problems
  137. Intermittent Low Rail Pressure at idle
  138. LB7 throwing code P2227
  139. Balance Rates
  140. LB7 Problems??
  141. intermittent slightly rough idle
  142. CA emission glow plug controller help
  143. Check engine light on
  144. Am I completely Hosed?
  145. EDU 25 amp fuse blowing
  146. LB7 Hard crank, rough idle, puts out randomly
  147. LB7 Help Please!!!!!
  148. P0107 help
  149. Transfer Case assembly
  150. 01 lb7 dies at 1500rpms
  151. Gp Sorensen reman injectors???
  152. New lb7 owner fuel system issues
  153. Limp mode again!!
  154. new cp3 bad?
  155. Edge Cts injector balance rates ?
  156. Water under valve covers
  157. Oil pressure going down
  158. Should I buy it for $8K? 109K miles
  159. 03 duramax lb7
  160. 03 2500hd lb7 won't start
  161. Broken axle housing/spindle. Help!
  162. head gasket?? Maybe
  163. What tranny lines to use?
  164. 03 leaking antifreeze
  165. won't start hot
  166. Tranny limp mode
  167. 2001 shutting off an not starting
  168. Dreaded P0380 after replacing Glow Plug Controller
  169. Ecm problem
  170. In search of transmission rebuilder near Delaware
  171. Cracked flex plate?
  172. Daily Driver, 224k miles, 03 Chevy Duramax for 9.5k. Worth?
  173. How to install upper oil pan
  174. Fuel Rail leak
  175. Limp mode!!!
  176. 263 Transfer Case Gasket
  177. 01 LB7 Alternator/Charging Issues
  178. P0101 MAF Sensor Circuit...With New MAF SENSOR
  179. Huge Fuel Leak
  180. Fuel in oil, after injector swap
  181. If you have time to Help, I could use some imput
  182. Diesel in oil. Very wet oil 2001 LB7 duramax
  183. Lb7 cal to fed emissions no start
  184. Low rail pressure & no start on lb7 duramax
  185. p1093 and p0087
  186. Help Please
  187. NICKTANE adapter question 2003 Lb7
  188. Oil Pressure ?
  189. diagnostic tool
  190. NICKTANE adapter question
  191. LB7 Lagging
  192. LB7 nsbu switch issue
  193. Lds vs gm?
  194. lb7 range shift inhibited
  195. LB7 lost in the sauce
  196. 03 lb7 noise help!!
  197. LB7 Injector testing
  198. Water pump?
  199. 4wd indicator in 4 low
  200. Valve train noise??
  201. need help!!
  202. Swappable parts from lb7 to lmm
  203. Lb7 cam sensor code p0341
  204. tail light problems on my flat bed
  205. Repower LBZ
  206. Injector cleaning help
  207. Dead pedal 03 duramax
  208. Possible stuck piston
  209. How warm should engine be to drive ?
  210. Aux fuel filter ?
  211. Time for a Lift Pump... Which Do I Get?
  212. How much boost ?
  213. Boost how much?
  214. 0651 0237 2228 codes on 03 duramax
  215. 03 lb7 exhaust question
  216. Liftpump needed??
  217. passenger side knock and metal in oil..
  218. High idle
  219. Lite blue smoke from tailpipe
  220. My old injector
  221. Please don't be be injectors...
  222. Rail pressure
  223. Taillight help, I'm lost
  224. DTC U1800? and other codes
  225. 03 dmax unknown driver - won't run
  226. Allison Transmission Temps
  227. Just need another opinion.
  228. 4 wheel drive question
  229. Anybody know 2004 2500hd lb7
  230. help! I just want my truck done! :(
  231. CP3, injectors what else is there?
  232. No start..no shift indicator..no glow plug lights..no ODBII info
  233. 03 durmax wont start
  234. Injectors....again
  235. Transmission ???
  236. lb7 EGR vacuum lines help
  237. Engine not holding oil?????
  238. Help!!
  239. MAP sensor help
  240. Bad app sensor??
  241. LB7 knocking and smoking
  242. Pcv valve and hose
  243. Ticking only when truck is warm!?
  244. Replacing my injectors and truck won't start
  245. Fass titanium
  246. Mileage on replacement injectors
  247. Priming Fuel
  248. Cylinder Compression-- injector Balance
  249. Popping in Front End
  250. Fleetguard Fuel Filters