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

: 01-04.5 LB7 Duramax Powertrain


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  1. How many pumps to prime fuel filter
  2. Replacing the stock alternator in 02 LB7
  3. Half shaft question
  4. Fuel pump staying hard after crank
  5. Why such a big diff from DIC fuel used vs actual?
  6. 02 LB7 no boost
  7. No start after valve cover gasket job
  8. Need help sos
  9. power steering/hydro-boost
  10. 03 lb7?
  11. Sos help!!!!!
  12. Truck sat for a week.. Now this
  13. Lb7 shut off in heat, won't start
  14. Having issues HELP!
  15. Fuel in crankcase
  16. Fuel Rail Pressure
  17. Replacing Ignition Switch
  18. Injector Balance Rates
  19. truck shuts off randomly and has engine codes
  20. Lower Valve Cover Gasket Question
  21. Center link brace
  22. Allison 1000 blow up
  23. Issues after Headgaskets
  24. Truck will not stay running after headgaskets
  25. Add sump pump inside tank?
  26. Help! Truck died after HeadGaskets
  27. New to me... 2004 LB7 196k miles Smoking
  28. Number 7 injector gave up
  29. Engine Miss
  30. Inner tie rod won't loosen
  31. Losing prime?
  32. Black smoke is unusual
  33. LB7 Turbo Issues
  34. Injector knock after new injectors
  35. help with smoke pls
  36. Ran out of fuel lb7
  37. LB7 Idle surge P0101 EGR help!
  38. intermittent smoke problem
  39. Starting to Smoke at Idel. Intector Rates
  40. Passenger Side Valve Cover
  41. Head Gasket Replacement- Machining Questions
  42. wheel speed sensor or ??
  43. Best way to tell if the truck has a tune
  44. LB7 problems
  45. LB7 no crank, no start?
  46. Driveshaft help!?!
  47. Excessive White Smoke at Idle
  48. LB7 Injector Failure Points Video
  49. Bad radiator clutch fan?
  50. Should I or Shound'nt I ?
  51. A little harder to start
  52. 02 lb7 balance rate problems
  53. Suspension help PLEASE!
  54. 600 Miles from home and having problems
  55. EGR help! Ca Smog 02 lb7
  56. Help identifying vaccuum valve
  57. Military silverado in the uk starting problem
  58. Fuel in oil, injectors tested good?
  59. Running rough around 1500 RPM's
  60. Motor Oil LB7 Duramax
  61. LB7 new gaskets and injector problems
  62. lb7 injector
  63. LB7 Leaking Injectors?
  64. Valve Cover torque specs
  65. long crank or no start 03
  66. Hopped up LB7 throttling touchy and range restricted
  67. New to me lb7
  68. To Big Of Gap
  69. 04 lb7 boost question
  70. P0101 code is killing me
  71. Glow plug relay, how to check
  72. New setup Truck is Smokey
  73. EGR help!! P1404
  74. lb7 making oil after new injectors and head replacement
  75. Lb7 head gasket details
  76. new water pump leaking from weep hole
  77. Security light but no issues
  78. lb7 injectors
  79. Lower end
  80. Fuel Lines
  81. friend of mine stranded in Sturgis
  82. 2002 2500 hd duramax been sitting for 7 yrs
  83. At a loss... Wiring problems?
  84. Zf6 2wd to auto 4x4 swap
  85. Evans Waterless Coolant good for duramax?
  86. Service 4WD
  87. 2001 dmax shift motor electrical issue
  88. Surging at idle and under power
  89. Please help!!!!!
  90. smoke @ hot idle
  91. 2002 cut off and won't start
  92. AC Compressor Squeal
  93. 2003 dmax wont fire without help
  94. LB7 Surging/Loping in Drive
  95. 03 chevy 4wd problem
  96. intake air leak???
  97. The Big Ones
  98. Lb7 cp3
  99. Anouther Question ?
  100. Stacks on a regular cab = BAD IDEA
  101. Confused !
  102. yet another issue/concern
  103. injector cup question
  104. bad injector maybe?
  105. 2001 LB7 Grumbling in reverse
  106. Weird noise
  107. DMAXSTORE Coupons?
  108. Changing my injectors.
  109. Anyone else think the ZF6 Speed sucks behind these motors?
  110. Please Help-Truck just started up fine then died.
  111. Balance Rates Question
  112. Three Fault Codes P0380, P1093, ND026
  113. 01 LB7 loud pop, sluggish, fuel gauge out
  114. 2003' throwing the po380
  115. Twin turbos
  116. High FPR after lift pump install
  117. Tranny problem
  118. 2001 GMC 2500HD New FICM problem after injector install
  119. Long idle times
  120. questions on injectors
  121. P0899 after injectors. Why?!!!
  122. LB7 Not Starting!
  123. Weather Temp To Hot
  124. Need a set of injector cores
  125. Torque Spec Confirmation
  126. Need help !! Cuts, and pops under throttle
  127. Need help !! Cuts, and pops under throttle
  128. WTH vents only blow on the floor after injector replacement
  129. 03 White Smoke and Power Loss - Help
  130. '01 GMC with LB7 oil/diesel leak
  131. 2004 Silverado
  132. Lb7 Do I need new injectors??
  133. Rearend Oil Change ?
  134. Need HELP!!!
  135. Surging
  136. 01 LB7 terrible sputtering issues, please help
  137. Transmission
  138. Lb7 cylinder 1 misfire and +15 on #1 injector
  139. stuck in first ...help.
  140. rad hose hard after sitting
  141. Valve Cover Question
  142. Low boost at WOT
  143. odd squeek from front of truck
  144. Egr valve Cali lb7 replaced
  145. Fan clutch question
  146. Valve Cover Gasket difficulty?
  147. EFI Live $0101
  148. Black Oil ?
  149. TQ Converter Issues???? Pulsing!!
  150. Injector opinions needed.
  151. EGR delete or code delete
  152. Is this tuner safe for the stock tranny?
  153. Engine stalling out
  154. Diesel fuel filling #3 after injector replacement please help!
  155. Vacuum pump LB7 Cali emission
  156. External Trans cooler Bypass
  157. Battery/Starter issues
  158. Because we need more injector stories
  159. little help
  160. Fuel filters quality vs price
  161. 04 lb7 donor lbz
  162. 04 lb7 hard start
  163. Stock Allison transmission life
  164. 2001 silverado cranks but won't start without either
  165. Lb7 smoking black on hard acceleration
  166. Odd trans issue
  167. a/c only blows through defrost
  168. Fuel return rates
  169. need help
  170. 2003 2500hd
  171. ANOTHER issue after headgaskets
  172. Won't start after headgaskets need HELP
  173. What is this bracket?
  174. Cab Removal for Service
  175. Can anyone identify these injectors?
  176. Good deal?
  177. Electical power loss after HG
  178. Beyond dead please help!
  179. Reduced engine power code
  180. need input on good injectors
  181. LB7 Service Time...
  182. truck died fuel really hot
  183. Buying advice
  184. Lb7 coolant leak. Helpppp
  185. Bad crank bearings help!!!!
  186. Gear display (PNRD123) not lit.
  187. ECM P0088 code
  188. 2002 LB7 p0106 can't figure it out! Help please!
  189. not as much power after new injector install!
  190. I need help again
  191. Shift Selectr Shaft Replacement
  192. rear cross member replacement
  193. 04 LB7 blowing white smoke
  194. Fuel Pump and Injectors
  195. No power at ODB-II HELP!
  196. 2002 LB7 voltage gauge issue
  197. LB7 blew up
  198. 01 duramax trans p1721
  199. Water pump replacement issues
  200. Zf6 clutch help
  201. Getting new injectors
  202. Wheel offset and size
  203. Ross from s. Fla
  204. LB7 Bad FICM? Lope? Need HELP
  205. Crank no start
  206. Just bought a lb7 with egr problems
  207. help oil sludge in coolant reservoir 04 lb7
  208. New Racor FWS with lift pump?
  209. Weird wire coming out tranny pan
  210. transmission shifting rough.
  211. Need banjo bolt part number
  212. Zf6 southbend issues
  213. do I need a bov for my new gt40r or can I run it without?
  214. Won't start...fuel related maybe?
  215. Help: Lb7 overheating / loss of oil pressure
  216. bought lb7
  217. lb7 wont start after injector replacement
  218. Shifting weird
  219. Electrical issues HELP!!! I have codes!
  220. Signs that the ol Allison is goin out
  221. Muffler laws in Texas?
  222. positraction in differential
  223. 03 Making a ticking at 20 psi
  224. Loud knock!!!
  225. new injector issues
  226. Having problems starting
  227. 2 new problems
  228. Well, that was uncalled for.....
  229. 2002 duramax shutting off
  230. New member needing advise...
  231. injectors prblems
  232. How soon should I do head gaskets and arp bolts at 300k miles?
  233. 02 lb7 fuel problems
  234. LB7 Won't turn over with key at all
  235. P1093 and p1094 codes
  236. Bad caliper?
  237. Starter bolt size?
  238. Truck won't start any help would be greatly appreciated!!
  239. Need to reflash new software ???
  240. Looking at an 01 lb7. Why are the injectors bouncing up and down?
  241. 02 gmc 3500 vin 1 engine miss help
  242. Who buys injector cores?
  243. Engine smoking
  244. please help desperate!!!!!!
  245. PS Pump situation
  246. Trans Temp gauge at 180?
  247. Fuel in oil only after drivng 3 or 4 miles
  248. Rough Idle after new heads, injectors, CP3 & FPR
  249. LB7 half stall from dead stop
  250. head gaskets backwards?