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

: 01-04.5 LB7 Duramax Powertrain


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  1. Injector trouble
  2. No shift Cold Mornings
  3. Sun Coast 5-6 speed conversion
  4. hard start when warm
  5. carrier bearing vibration from a stop
  6. Just changed Injectors, Thank you Duramax Forum
  7. Transfer case upgrade
  8. what to do?
  9. G80 Rear diff gear oil
  10. Lb7 injector help
  11. Fuel line disconnect won't
  12. LB7 Tranny Help...
  13. Gelled up?
  14. Is a downpipe worth the hassle?
  15. Shift Inhibit again
  16. Lb7 balance rates
  17. Clunk/jerk while decelerating
  18. LB7 Questions
  19. Its raining codes!
  20. Rubbing noise when turning?
  21. fuel pressure
  22. adding cruise control to a base model
  23. Ficm troubles
  24. making oil sitting?
  25. Injectors or Piston Rings?
  26. 03 Lb7 Resurrection
  27. Lite Haze at stop lights at night
  28. Please help asap
  29. 03 LB7, christmas lights on dash
  30. Help! Please
  31. Drivers side auto window roll down doesn't work
  32. injector sleeve/cup LB7 loctite
  33. Bad head gasket-no heat
  34. MAY DAY!! duramax died while driving
  35. 2004 lb7 what lift pump are you running?
  36. 2003 lb7 block heater leak?
  37. Injector change in my future?
  38. Transmission leaks.
  39. Super Mod for less than $75
  40. opinions wanted..what upgrades first?
  41. Injectors
  42. truck surging when driving
  43. changed coolant and now making tapping noise at idle
  44. ? For MI truck owners.
  45. Help!!! Truck won't stay running
  46. Injector Lb7 for France
  47. new injectors now leaking
  48. Squeaky Allison
  49. Injectors question
  50. Water in Fuel Light ???
  51. still loosing prime
  52. could it be the injectors again??
  53. Fatal Damage?
  54. RPM wander
  55. EagleOne
  56. water. in my oil
  57. LB7 Keep or get rid of
  58. Block heater cord
  59. Can someone explain using blue tooth/Andriod
  60. Fuel filter related issue
  61. Truck acting up
  62. Fuel pressure regulator harness plug or ?
  63. Glow Plug/Heater Intake FIRE!!!
  64. Rebuilding injectors. Ever do it?
  65. Motor Oils, and Oil Filters
  66. Merchant Automotive Injectors???
  67. Lb7 lope
  68. Compression & Balance Rates
  69. DFW Diesel Shops
  70. Injector replacement, DIY/Shop repair, new/old design?
  71. Lower power cold?
  72. Repair manual for an 02 LB7
  73. 2004 Lb7 computer mounting bracket
  74. Trans cooler
  75. AirDogII now it smokes more!??
  76. 2002 LB7 torque converter predicament
  77. Coolant Leak
  78. Dealer-injector problems
  79. manual trans/t-case fluid question
  80. Zf6 to auto swap
  81. Confused after return rate test
  82. Strong diesel smell in the morning
  83. 2003 going into neutral?
  84. LB7 Duramax Issues
  85. Coolant loss on 2001 duramax
  86. Tank leak
  87. HELP! raw diesel coming out of exhaust
  88. What to clean the cruel tank with
  89. injector issue?
  90. *First Post* LB7 edge attitude monitor problems
  91. coolant leak
  92. How long have you run on bad injectors?
  93. Unplug Fuel Pressure Regulator to find leak
  94. Replace Headgaskets or get a new motor?
  95. Headgaskets? Injectors? New Motor?
  96. new transmission options
  97. Lb7 fuel leak!!!
  98. what can I expect preformace wise replacing all 8 injectors?
  99. Helpppp!!!
  100. 2002 duramax won't start when cold
  101. 3.55 gears
  102. LB7 won't start without WD-40
  103. Coolant leak Help!
  104. Wheels and Tires Fitment
  105. 2003 Suburban 2500 LB7...No Starter, 4wd service,stuck in 3rd gear,abs light,HELP!
  106. Another coolent leak
  107. Take a look at my balance rates.what do you think?
  108. Lb7 white/blue smoke when hot
  109. Intermittent No Start No Crank
  110. 2003 chevrolet 2500 hd auto 4x4
  111. LB7 breaking coolant lines after Headgasket replacement.. Help please
  112. Hollow thud coming from undercarriage
  113. After unpluging FPR... WTF!!!???
  114. LB7 coolant prob. diagnosis help!
  115. Need advice on two cylinders with issues.
  116. Need help with my trans!!
  117. 2000 rpm after motor build
  118. low boost
  119. replacing injectors
  120. Confirm my diagnosis PLZ
  121. Water pump replaced/getting P0340 after
  122. Lb7 help
  123. fuel pressure regulator
  124. LB7 missing injectors
  125. Smoke at idle and less power
  126. 2003 FICM and wiring harness removal help
  127. 5k in maintenance.. does it ever stop?!
  128. Injectors balance rates change dramatically when engine hot
  129. Crankshaft reflector wheel HELP
  130. 03 LB7 Built Allison with Stock converter??
  131. truck takes forever to warm up
  132. Truck won't start up
  133. Check engine light codes
  134. Checking injectors with PPE tuner?
  135. 2001 LB7 Will only start after prime, idle for 30 seconds then die. Yikes!
  136. Replacing injectors, injectors stuck in head
  137. 03 lb7 motor issues
  138. Help!!! Stranded 04 dmax
  139. 03 LB7 surges/revs on its own at startup
  140. Well !@#$, I think I do have a head gasket problem after all. (Video)
  141. Harmonic balancer removal?
  142. torque pro question
  143. Bad FPR ?
  144. Loose steering
  145. Rattle Around 1000RPM's
  146. 03 duramax questions
  147. low rail pressure WOT only on big tune
  148. A few issues with 2002 LB7
  149. No fuel PSI, AirDog II 165 not priming?
  150. any way to check front cp3 seal??
  151. Excessive blow by?
  152. Glow plugs
  153. RCLB Driveshaft Length
  154. Low fuel rail pressure
  155. 02 Bad miss ringing noise
  156. Driveshaft HELP
  157. egr valve questions
  158. 02 lb7 cuts out
  159. anyone need lb7 injector cores? 3 injectors are good and within spec
  160. Tranny or Turbo or????
  161. Intake Manifold bolts
  162. Encoder replacement
  163. 5" Exhaust
  164. How could this happen?
  165. OBD2 dongle issue
  166. Fuel filter replacement intervals w/ 3 filter setup?
  167. Mass air flow sensor not working
  168. Cat Filter Adpt Issue
  169. '01 Limped Allison. P0735, P0840, P0700
  170. What rear differential gear oil to use?
  171. Ficm
  172. Hoping I am not getting jerked around. LB7 injectors
  173. No start Duramax code P0370
  174. LB7 injector pictures - Nasty!
  175. 2003 Injector/VIN number help needed
  176. Factory GM FPRV
  177. U1800 Code after power washing
  178. 04 lb7 injector DIY ???
  179. New to Duramax, replacing injector nozzles, need advice
  180. Fuel cooler
  181. brakes
  182. Mobil One Syn blew my rear dif
  183. smoke on idle
  184. Truck won't start please help
  185. Head gasket
  186. Trying to buy Duramax! NEED ANSWERS QUICK!
  187. lb7 injector nozzle part numbers
  188. Drop in MPG after injector replacement
  189. ppe no communication problems!!!
  190. White smoke / additives / injectors???
  191. injector cup question
  192. 02' with p0101 code
  193. Need help bad with coolant leak
  194. Rear End Issue
  195. Died an won't start
  196. Coolant leak
  197. LB7 injector balance rates of 0.0 in park
  198. SES Light
  199. Need opinons for my new truck !!!
  200. 03 RCLB questions!!!
  201. Bad MPGs after sudden stop
  202. Dash problem
  203. 03 LB7 Duramax Fuel Injector Control Module Fail after injector change
  204. How to tell difference between 10.5 and 11.5 Rear Differential
  205. Replacing Glow Plug Relay
  206. P0776 limp mode HELP/advice
  207. 01 lb7 injector rebuild or replace opinions
  208. I've had two Allison's go out
  209. 03 LB7 cranks but won't start
  210. lb7 runs on 4 cylinders when cold
  211. New tires and wheels
  212. Blew apart my rear differential internals
  213. Engine oil.
  214. Grinding/creaking sound from under the truck
  215. 2003 LB7 no start
  216. Smoke screen gone
  217. Mystery loss of power under load
  218. LB7 Injector Cores
  219. LB7 diy return rate test help
  220. Need help! Rough idle no ac
  221. Need help. Loud clicking noise under hard eacceleration.
  222. 03 lb7 wont stay running on cold days (remote start)
  223. Cp3 pump leak around fitting.
  224. Confused! got a few ? please help
  225. 2002 lb7 bad head?
  226. I f&cked something up. help needed
  227. Rail Pressure & Balance Rates 2003 LB7
  228. EFI Live From Dyno Proven?
  229. Looking at used LB7
  230. Wire issue related to limp mode?
  231. Head Gaskets or injectors?
  232. Internal transmission filter
  233. 2003 lb7 no power
  234. Installed Fass now wont start
  235. UCA, Ball Joints and Leveling
  236. ABS kicking in at low speeds
  237. advice on lb7 injectors
  238. 2002 with 50k, Issues here
  239. 2004 LB7 Transmission in an 05 LLY?
  240. pinion bearing shredded
  241. smoke from turbo
  242. 2003 LB7 Intermittent starting issue
  243. LB7 stalled won't start. Stuck on a mountain
  244. Oil and coolant still mixing after oil cooler replacement!
  245. Can you check injector balance rates using dash command app or iPhone?
  246. LB7 Injector Terminal Wire Polarity
  247. LB7 "Bog"
  248. Uncontrolled Acceleration and now no start
  249. LB7 Transfer Case/4WD Questions
  250. More White Smoke after Injector Cleaning

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