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

: 01-04.5 LB7 Duramax Powertrain



  1. 01 LB7 Coolant Leak
  2. P0335 After P/S Pump Issue
  3. Allison trans
  4. LB7 Missfire. No Compression
  5. No throttle response
  6. I need help
  7. Ign switch help
  8. CV Axle nut removal suggestions. Help.
  9. New Injectors STILL SMOKING!!
  10. Coolant problem
  11. Bent Pushrods?
  12. On start up my a/c blows warm help!!!
  13. Truck running terrible please help
  14. More Injector Questions
  15. Question about injector replacement
  16. Best place to get injectors
  17. LB7 Duramax lopes bad and dies after new injectors
  18. LB7 Lopes bad and won't stay running after new injectors
  19. 2003 Starting to smoke
  20. Help Please p1261 201 204 206 207
  21. U1300 code stored
  22. Advice on purchasing an LB7
  23. Oil Centrifuge
  24. Buying a Lb7 with ne/cali emissions HELP!!
  25. Changed my FPR in my 2003 lb7 now have a fuel leak
  26. HELP!!! Lb7 has bad fuel knock and balance rates all read zero
  27. New ign switch
  28. Cylinder Head Injector Cup Seat Pitting/Corrosion
  29. Cp3 going out?
  30. Suspected injectors
  31. LB7 Hesitation while driving
  32. Which FPR?
  33. Still slow
  34. Code PO540
  35. Bully Dog paper air filter for K & N?
  36. Lb7 tow/haul and driveshaft lube
  37. A/C Chnages to Heat by itself while driving
  38. Well, guess I'm saving for injectors
  39. Brake Conversion
  40. New Injectors, Lost Pictures, Where do these parts go?
  41. P0093 P0094 and Loss of Power... Is this fuel injectors?
  42. Idling problems, now won't start
  43. Engine fan runs constantly
  44. LB7 Truck shuts off while driving
  45. 2003 2500hd 4x4 issue
  46. Losing boost at WOT
  47. Warning!! Cali EGR w/efilive
  48. Heaters on but supposed to be a/c
  49. Fan Clutch replacement
  50. Allison Trailer Tow mode causes harsh downshifts
  51. Muffler recommendations
  52. LB7 Allison Problems P0700 P0732 P0776 P0843
  53. Oil in coolant but no coolant in oil
  54. Checking injector balance rates
  55. P0106 post injector change
  56. Need advice about injectors
  57. Air Conditioning Problem
  58. Rubber seals for ficm bale plugs
  59. Wanted
  60. replaced cp3, now misfires on only one bank (1,3,5,7)
  61. LB7 Serpentine Issue
  62. Lb7 Duramax trouble
  63. 03 LB7 low FRP, no power
  64. losing coolant head gasket is good
  65. New (to me) 03 with a major problem
  66. Potato Potato Noise After Injectors
  67. 2002 LB7 Bad Injectors?
  68. A ton of "u" codes
  69. Injectors went and need opinions.
  70. No start after boost issues
  71. 2003 chevy LB7 wont stay running or wont start
  72. Please someone help
  73. 01 wont start/hard crank
  74. lb7 lift pump pressure questions
  75. CA LB7 EGR Removal for cleaning (not delete).
  76. Bad Turbo?
  77. 4834 Miles in 10 days...
  78. Drivetrain Help
  79. 2003 2500 HD wiring
  80. Cab Marker Lamps
  81. The Case of the Ghostly Check Engine Lamp....
  82. Lb7 clatter/missing
  83. Leveling Kit + Shocks
  84. Lb7 carnage!
  85. nsbu signs
  86. Another 2001 LB7 starting issue
  87. Overly dirty air filter?
  88. Hydraboost problem
  89. Smokey exhaust
  90. Lb7 died on highway!
  91. Air intake temperatures ??
  92. Potential purchase! Thanks in advance for helping!
  93. Truck Hiccups When Warm
  94. Glow plug p0380
  95. Injector DIY rebuild
  96. Zf6 swap
  97. Need some help here!
  98. Injector return line install?
  99. I'm lost
  100. Where does this go?
  101. Should I buy
  102. LB7will not prime
  103. G80 Swap
  104. DIC and MPG questions
  105. Air dog 165 problems
  106. 2004 AC Issues
  107. Buying a new Duramax
  108. Balance Rate vs Pulse Width/black smoke
  109. Running bad except tow/ haul mode
  110. 03 Cali emissions.. vacuum/wire question
  111. p0404 SURGE at idle, low mileage LB7 4x4
  112. lb7 fuel in oil
  113. Random Shutdown
  114. 02 duramax trouble
  115. Driveshaft question
  116. rattle at idle and shutdown
  117. Truck started whistling
  118. fuel filter head assembly
  119. 04 NO START post running low filter change
  120. lb7 won't crank
  121. Lb7 short block
  122. driving in 4x4??
  123. Just rebuilt by fuel filter head
  124. LB7 Turbo P.I.T.A
  125. Pouring white smoke & oil. Rattle. HELP PLZ
  126. realdiesel.com
  127. 2wd tranny seems hestitant when you get on the pedal?
  128. Making strange sound, Boost leak?
  129. PLEASE HELP 02 wont start
  130. Help cp3 or injectors
  131. EGR test and repair
  132. Found in Antifreeze
  133. 2003 226k crank no start still no luck
  134. What size Ring Gear do I have?
  135. map sensor
  136. Cooling Issue
  137. New injectors?
  138. Very light loping at idle, Throttle jumps without accelerating
  139. Lb7 Long crank no start
  140. Oil Consumption
  141. 04 lb7 phantom engine light?
  142. New body
  143. Bypass tube o ring hope this helps every one
  144. need help on a squeeking issue lb7
  145. Truck died and won't start! CRANK NO START, Need help 2003 LB7
  146. LB7 Top end Rebuild, Fuel system overhaul
  147. 2003 lb7 light surge at idle
  148. Nagging coolant leak
  149. small amount of black smoke at ide
  150. Good shops in oregon?
  151. 04 lb7 hellacious knock
  152. Fuel/Oil Leak nightmare
  153. Towing OK with leaking transfer case?
  154. 2003 Questions
  155. DRLS not working? Help?
  156. Low fuel pressure
  157. Check Engine Codes?
  158. Injector rates
  159. Coolant leak
  160. Originals ?
  161. LB7 Allison Trans acting up
  162. Beat to death but lost now. I've been searching for days
  163. Lb7 beat to death topic but lost
  164. 150-250 psi on rail pressure . Lb7 won't fire up
  165. Starting Isuues
  166. Leak? Brake Fluid?
  167. Half shaft clip broken
  168. low rail pressure when hot
  169. No crank or starter click after driving 3 hours!
  170. Cup Removal During Injector Replace
  171. Injector bolt breaking
  172. Massive Fuel Leak, Drivers Side.
  173. Tired of this LB7 HELP!!!
  174. LB7 Mass Air Flow Sensor (MAFS) ???? OEM or Aftermarket?
  175. remote lock/unlock
  176. New Thermostats now an oil leak ??
  177. LB7 stock platform build up
  178. LB7 problem after fixing FPR
  179. Limp in 5th
  180. Weird Electrical Problems
  181. Intermittent Low Rail Pressure at idle
  182. LB7 throwing code P2227
  183. Balance Rates
  184. LB7 Problems??
  185. intermittent slightly rough idle
  186. CA emission glow plug controller help
  187. Check engine light on
  188. Am I completely Hosed?
  189. EDU 25 amp fuse blowing
  190. LB7 Hard crank, rough idle, puts out randomly
  191. LB7 Help Please!!!!!
  192. P0107 help
  193. Transfer Case assembly
  194. 01 lb7 dies at 1500rpms
  195. Gp Sorensen reman injectors???
  196. New lb7 owner fuel system issues
  197. Limp mode again!!
  198. new cp3 bad?
  199. Edge Cts injector balance rates ?
  200. Water under valve covers
  201. Oil pressure going down
  202. Should I buy it for $8K? 109K miles
  203. 03 duramax lb7
  204. 03 2500hd lb7 won't start
  205. Broken axle housing/spindle. Help!
  206. head gasket?? Maybe
  207. What tranny lines to use?
  208. 03 leaking antifreeze
  209. won't start hot
  210. Tranny limp mode
  211. 2001 shutting off an not starting
  212. Dreaded P0380 after replacing Glow Plug Controller
  213. Ecm problem
  214. In search of transmission rebuilder near Delaware
  215. Cracked flex plate?
  216. Daily Driver, 224k miles, 03 Chevy Duramax for 9.5k. Worth?
  217. How to install upper oil pan
  218. Fuel Rail leak
  219. Limp mode!!!
  220. 263 Transfer Case Gasket
  221. 01 LB7 Alternator/Charging Issues
  222. P0101 MAF Sensor Circuit...With New MAF SENSOR
  223. Huge Fuel Leak
  224. Fuel in oil, after injector swap
  225. If you have time to Help, I could use some imput
  226. Diesel in oil. Very wet oil 2001 LB7 duramax
  227. Lb7 cal to fed emissions no start
  228. Low rail pressure & no start on lb7 duramax
  229. p1093 and p0087
  230. Help Please
  231. NICKTANE adapter question 2003 Lb7
  232. Oil Pressure ?
  233. diagnostic tool
  234. NICKTANE adapter question
  235. LB7 Lagging
  236. LB7 nsbu switch issue
  237. Lds vs gm?
  238. lb7 range shift inhibited
  239. LB7 lost in the sauce
  240. 03 lb7 noise help!!
  241. LB7 Injector testing
  242. Water pump?
  243. 4wd indicator in 4 low
  244. Valve train noise??
  245. need help!!
  246. Swappable parts from lb7 to lmm
  247. Lb7 cam sensor code p0341
  248. tail light problems on my flat bed
  249. Repower LBZ
  250. Injector cleaning help