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

: 01-04.5 LB7 Duramax Powertrain


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  1. Weird shake
  2. Tcm
  3. ABS Woes.... Replaced a faulty sender, still got ABS light.
  4. It's got a G80, but come on!!
  5. Ambient temp/compass not working
  6. Need help, not sure what to do next.
  7. Lb7 hard to no start
  8. puzzling oil leak
  9. Buying 03 Duramax 210000 miles
  10. Same old No Start
  11. Losing power when towing
  12. ball joint shot?
  13. Rear diff gasket part number
  14. Is the hand primer supposed to remain hard or no?
  15. Applied shop air to low press return line
  16. Coolant leak
  17. Bad Vibrations
  18. Cannot decide on 6in lift or 3in lift
  19. Making Heat???!!!
  20. Zf6 swap ?s
  21. Po700 po708
  22. 2002 GMC 3500 Trans only has reverse & 2nd gears
  23. Fuel Fliter Head
  24. Loss of power with a bad wheel speed sensor?
  25. Prebuilt Transmission
  26. Balance rates and pulse width
  27. Lb7 boost help
  28. Engine knock and idle surge
  29. Transfer Case Rebuild Manual?
  30. Tranny rebuild
  31. Need Tranny Shop
  32. Tranny down shifted and wouldn't shift up
  33. Can a CP3 fail like this?
  34. LB7 injector failure need replacement
  35. Yet another injector question.
  36. Truck shutting off!
  37. another hard start when warm
  38. Check engine soon light
  39. lb7 misfire killing me please help
  40. Longer it sits, harder to start.
  41. blow by out of dipstick & fill tube
  42. Question about my new truck
  43. Power steering pump howl?
  44. How long do i have?
  45. Just won't move
  46. Coolant/cup issues
  47. Rear output shaft bushing
  48. need help starting problems
  49. Another injector question
  50. 03 LB7 fuel leak
  51. Installing Studs and Gaskets - Have some Q's
  52. Crankcase pressure
  53. Clean up under hood
  54. Questions about my injectors
  55. All my lb7 buddies!
  56. Lb7 injectors. Replaced or not?
  57. Black smoke under hard acceleration
  58. fuel leak
  59. 2001 LB7 Turbo pedestal IMPOSSIBLE to remove ???
  60. LB7 injectors failing
  61. fuel leak, help
  62. 04 lb7 vibration
  63. stumped on fuel leak. HELP!!!
  64. 02 LB7 with major coolant leak coming from rear of engine. Please help.
  65. 02 LB7 major coolant leak from driver rear of engine. Please help!
  66. Update On My No Start Problem
  67. ac compressor delete
  68. Lb7 help
  69. 4WD light flashes but won't engage
  70. Lincoln Diesel LB7 Injectors. Thanks Brent!
  71. electrical problem
  72. Stuck in 4low
  73. 911 low frp 2 degrees or less outside wont rev past 1700-2000
  74. froze up? wont rev over 2100 p1093 code
  75. More after repair issues
  76. full throttle peters out!
  77. vacuum pump
  78. help, codes have stuck.
  79. Fel system problem
  80. issues
  81. Newbie question, Can somebody explain the EFI live Flashscan to me?
  82. quick question
  83. Dealership flashed computer, cranks but no start
  84. Not cold starting without block heater in 0 degrees
  85. 2002 cab lights kit
  86. Lb7 glow plug installation
  87. One wheel working
  88. aux fuel filter and lift pump
  89. Allison won't go into gear when it's cold
  90. HELP!!! Truck wont start!
  91. 2001 duramax ignition lock system
  92. 8.1 gas tranny in duramax
  93. Help to find where to buy pcv canister
  94. oil in coolant
  95. after head gasket repair issues
  96. Cab and Chassis cut RCSB?
  97. What is the difference between 02 and 03 GMC Sierra trucks
  98. LB7 chatter
  99. Extra bolt...
  100. bad head gasket or cracked head.
  101. '01 LB7 White Smoke Diagnosis
  102. 2004 LB7, RMS Replaced, Still Leaks
  103. No fuel
  104. zf6 double disc clutch just ordered.
  105. Service Brake System - ABS/Brake Light On - Codes Inside
  106. Center/Fan Idler Bearing and Bracket.
  107. Hard cold starts
  108. Fuel issue
  109. Bosch factory reman injectors puking at 35k???
  110. lb7 egr block with no codes
  111. Glow plug delete
  112. 02 concerns?
  113. 03 lb7 into an 01
  114. Lift pump Recs
  115. beating a dead horse
  116. NSBU switch
  117. puking oil out blow by tube
  118. price of 03 with 92K miles right?
  119. Head Gaskets
  120. Won't shift straight into drive from park
  121. 03 LB7 P0087 code
  122. glowplug test clarification
  123. Bumper fitment
  124. Hazing and rough idle after injector change
  125. Keep it or sell it
  126. Help please
  127. Ecm unknown state
  128. tranny problems
  129. LB7 tranny issues NEED HELP!
  130. exhaust question!!
  131. p 0202, p0203,and p0205
  132. exhaust question
  133. 03 LB7 p0450 code
  134. 01 to 06 front end
  135. security reset
  136. Transfer case!
  137. Bad valve body?
  138. 2001 duramax tries to start when key in on position
  139. Hitting speed limiter
  140. injector time perhaps
  141. FICM Problems need help!!
  142. Price of truck and long term plans
  143. Fixing Smashed Low Pressure Fuel Line
  144. turbo howl
  145. Water thru intake
  146. 02 duramax injector O ring purpose!
  147. Looking at a '02 injector life questions
  148. heater/ac issues after replacing injectors
  149. What would my truck be worth?
  150. transfer case help
  151. Head Gasket leak? Vibration while driving? Help!
  152. Wastegate replacement
  153. Help truck issues
  154. Conversion?
  155. not a typical PPE boost valve ?
  156. bent rocker arm
  157. Need help with best replacment tensioner/idler pulleys
  158. filter numbers
  159. A clusterfu*k of questions
  160. LB7 Fuel pressure regulator
  161. Hand primer won't harden up
  162. Rough/Pulsing Idle
  163. Reviews/opinions on electric fans
  164. P0101
  165. How to clean the CP3?
  166. tell me the truth about injectors
  167. P0380 Cali Emission Truck
  168. 2001 Lb7 All kinds of problems.
  169. smog and cel
  170. major 911 issue. replaced injector now won't start. got u1800 code and 0193 code and
  171. 02 ZF6 manual clutch problems
  172. wont start!!!!
  173. LB7 Missing on tickover in Park only?
  174. Reman Injector Life
  175. LB7 Emergency...
  176. 01 lb7 bad ecm? desired rail pressure is 18,475 at idle
  177. How to check for bad injectors without a scan tool?
  178. New block heater
  179. 2003 bad turbo, bad head gasket
  180. New headlights caused a problem
  181. P0088 limp mode
  182. Battery, Air Bag, ABS light on and no gauges on cold startup
  183. how do i take this off?!!
  184. Looking at 2003 crew cab with 192k miles
  185. Head Surfacing / Valve Job Cost??
  186. no start (fass pump)
  187. Hard start? Grinding noise.
  188. Bottom End
  189. 01 lb7 looses prime only near freezing or below
  190. Changing my turbo myself?
  191. Trans has left me stranded
  192. LBZ Low Rail Pressure when cold
  193. P0380+p0540
  194. 03 lb7 high idle
  195. Fuel hose replacement near filter block
  196. lb7 stock turbo specs
  197. White smoke on cold start
  198. 02 duramax motor in an 03 truck no oil pressure
  199. engine running hotter than normal
  200. LB7 Long block??
  201. FASS 150 fuel delivery questions
  202. Lb7 lope in park and neural
  203. Water in fuel what kind of damage would I expect? HELP.
  204. coolant in oil
  205. Won't move until rev up and switch gears
  206. Too much putting on the block deck surface?
  207. Cleaning the water jackets?
  208. Trans has me stumped
  209. Engine Pulled - Replace freeze plugs?
  210. Solved Range Shift Inhibit
  211. 02 lb7 engine in an 03 truck no oil pressure
  212. Need help with P0380
  213. Injector question
  214. Fuel line mods and lift pump?
  215. lost voltage everywhere but batteries are fine
  216. Lb7 crankcase smoke and knock
  217. LB7 injectors
  218. Motor Mounts - Is this normal?
  219. p0380 code and dead batteries
  220. Transfer case output seal
  221. Lb7 Loss of power
  222. Front Brake Problem . need some help .
  223. NSBU Switch? Yes, no, maybe
  224. low rail pressure above half throttle
  225. '03 LB7 Injector Balance Rates - Light Blue Smoke in Idle
  226. No oil pressure
  227. busted up doors
  228. Haze at idle when air temperature is cold
  229. Cold starting issues
  230. Sending up a prayer...
  231. Is this lb7 worth the price?
  232. 03 dirtymax 6spd won't stay running
  233. LB7 coolant missing? (aka leak)
  234. lb7 won't start.
  235. Injectors? Glow Plugs? Both?
  236. LB7 another smoke mystery new injectors
  237. 03 Duramax Cranks But Doesnt start
  238. Hard starting after fuel filter replacement
  239. dead in the water Wont crank
  240. What is this broken piece?
  241. 01 lopey idle no power after 70mph
  242. Confused... and irritated
  243. Help! I'm fighting gremlins or something worse.
  244. Fuel System Question!
  245. 03 duramax fueling issue
  246. Lb7 help wont start
  247. ATF in fuel filter?
  248. Lb7 questions
  249. lb7 losing power, searched all forums, please help
  250. Door Shake 03 GMC