04.5-05 LLY Duramax Powertrain [Archive] - Chevy and GMC Duramax Diesel Forum

: 04.5-05 LLY Duramax Powertrain


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  1. Codes galore
  2. 04.5 w/ ZF6 about to start towing, need advice
  3. Help with a bolt size.
  4. 2004 chevy 2500hd
  5. 04.5 Won't even crank
  6. Truck died driving down the road, won't hit while cranking
  7. LLY injector hold downs, where to buy?
  8. Heating trans
  9. 04.5 lly issues please help
  10. Possibly starter?
  11. need help starting this truck
  12. Fuel Line leaking
  13. LLY hazes like and LBZ. Is this normal?
  14. Duramax won't run
  15. MAF sensor readings?
  16. Head Gasket job, Stuck injectors, no sign of damage?
  17. injector tests question
  18. Glow plug problems!!??
  19. Lly diesel is making a knocking sound and my fuel isn't staying primed anyone know
  20. injector replacement
  21. weird noise on 05 lly 123k
  22. LLY flywheel size
  23. Weak CP3 vs bad injectors?
  24. Mass airflow sensor code on and lack of power.
  25. Looks like its my turn for head gaskets-few questions
  26. Help! 05 starts, runs rough and knocks with no throttle
  27. broken return line fitting
  28. LLY CEL codes. I have a few. Looking for a diagnosis.
  29. Oil leak? lly
  30. another fluid question
  31. Dash wiring harness
  32. zf6 tail housing
  33. Speedo correction help
  34. Just replaced thermostats....questions
  35. Possible trans vibration 50+ mph
  36. Recirculation option help?
  37. Crazy shifting after trans build
  38. Surging-loping at idle
  39. Loosing coolant, truck won't heat up
  40. Help with oil leak
  41. Picked up a motor, have questions
  42. Ran the tank dry
  43. LLY return line fitting leak
  44. kinda stumbles
  45. LLY fuel mileage question
  46. LB7 and LLY Rocker Assembly interchangeable?
  47. Limp Mode question
  48. EGR malfunction
  49. LLY head gasket pics
  50. Diesel shops, Los Angeles / OC area for HG
  51. Bcm wiring harness!!!!
  52. weird idle
  53. Elevated idle not coming on with remote start?
  54. Mixed Antifreeze and Dex-cool
  55. "UCL" Unidentified Coolant Leak ??? Do you believe?
  56. Bad fuel mileage after headgaskets?
  57. head gaskets replaced now it won't turn over
  58. So is Moog the only game in town?
  59. winter fuel additives?
  60. Need some help!
  61. How common is head gasket failure?
  62. software update issues
  63. possible vanes sticking or just the sensor
  64. Another P0045 code
  65. New to me duramax advice
  66. Map Sensor harness
  67. CTS insight monitor question
  68. maf sensor readings
  69. broken crank
  70. Cold weather starting issue LLY 05
  71. Things just dont add up. Need Advise.
  72. 5th gear issues
  73. buying LLY need further advice from the "sticky thread"
  74. Bad knock
  75. Please help
  76. Oil pressure question
  77. Hot cold hot cold?
  78. blue smoke, oil in exhaust
  79. Water sensor on fuel filter
  80. Fuel foaming issues
  81. A little confused.
  82. P0101 & P0102, and fuel knock
  83. Bad/Leaking EGR cooler?
  84. 4x4 Problem
  85. Low power & Lots of smoke NO CODES
  86. Water pump removal '04 LLY
  87. Possible Software Problem?
  88. P0261 this is getting old
  89. White smoke
  90. LLY inconsistent drivability, fuel related?
  91. If it's not a waterpump, what is it?
  92. Need help lly
  93. Help please
  94. possible injector problem??
  95. no oil pressure
  96. Intake horn Help
  97. '04 Duramax Fuel Primer Problem....Will Not Start
  98. 2005 duramax fuel filter
  99. EGR codes on blocked and sticked motor
  100. pitman shaft seal
  101. LLY Problem
  102. Head Gasket, Injectors? I can't pinpoint what it is
  103. Head Gaskets Failed Again??
  104. Truck won't start without starting fluid
  105. P0304 Balance rates point to injector stuck open?
  106. Ran dry now I have no rail pressure!
  107. LLY popping
  108. LLY Rebuild??
  109. New nsbu and ign switch what else ?
  110. Injector question ????
  111. 2005 lly wont heat up past 165
  112. White smoke
  113. Engine ticking
  114. Possibly dropping fuel rail pressure?
  115. LLY Over Heating write up
  116. Coolant coming out of hose on top of resovoir tank
  117. Blown HG's - Should I use or not?
  118. NO 4 Wheel Drive
  119. Fprv
  120. 04.5 Range Shift Inhibited help please
  121. Vibration at idle
  122. Lly thermostat hose help
  123. 4wd service message
  124. Mishimoto Radiator
  125. head gasket question
  126. "Weather proofing" NSBU
  127. More issues
  128. power steering pump?
  129. won't start with out help!
  130. New injectors, same balance rates :( rattle issue
  131. lly barely accelerates
  132. How badly did I just mess up?
  133. injector balance rates?
  134. help! misfire, low compression, 2 shops, 2 opinions
  135. Coolant issues? help
  136. Balance rate question
  137. Van LLY vs pickup LLY
  138. Truck won't start after PPE Xcelerator tune on 05' LLY
  139. water pump on LLY
  140. 04 1/2 Engine Issue Question
  141. LLY White Smoke when pulling
  142. Weird vibration !
  143. Oil leaking from turbo exhaust side
  144. Whining noise from Hydroboost area.
  145. 2K buck for an 05 LLY?
  146. ISO: Front suspension kit
  147. 2005 stock LLY smoke??
  148. Injector pump?
  149. LLY no start, no crank, P0621 code
  150. Not getting any fuel rail pressure.
  151. power steering
  152. Whining noise?
  153. Engine block checks
  154. Need help
  155. Lly won't start
  156. Help Me Spend/Save $$$
  157. fuel pressure relief valve
  158. LLY Seems down on Power
  159. Need help fast!
  160. HG needs replaced. What else should I replace besides use ARP studs?
  161. Fuel Leak Top of engine
  162. 05 Knocks then Dies When Warmed Up
  163. Need the 2005 diesel supplement for owners manual 2005
  164. Help stuck in memphis
  165. Trans and Glow Plug Issues
  166. LLY Troubles - Low Operating Temperature
  167. Just did head gaskets. Truck was running but died. Wont start now.
  168. glow plug circuit
  169. Egr Cooler Support Bracket
  170. Need help!!! Truck wont start with the key and now the guages dont work
  171. Glow plugs
  172. Head gasket help!!
  173. Where do these pins go on my cylinder heads??? HELP!
  174. Truck surging and CEL
  175. Gas in Diesel & Whine
  176. gas light on and gas gauge on MT, limb mode
  177. Little more help with Kennedy install please
  178. oil pressure sensor
  179. weird ect's after tstat replacement
  180. EFI Live issues
  181. Not sure what is wrong with my 05 lly
  182. p0182 Fuel Temp Sensor
  183. Transfer case pump rub
  184. complete new filter head assembly
  185. runs then dies, primer pump sucked closed
  186. Sign injectors going bad?
  187. High Mileage 04.5 Issues? (305,000)
  188. LLY duramax injector issues
  189. EGR Valve Location
  190. Injector R&R in So-Cal
  191. 05 LLY new cp3, race plug and new injectors still have p1093
  192. need help
  193. Coolant temp questions
  194. trans overheating
  195. PPE Programmer need Exhaust?
  196. LLY question ?? Maybe some advice
  197. Trans slipping?
  198. WTF Fuel and Injector Issues
  199. Loss of Power?
  200. 05-08 Duramax which one should I buy?
  201. Still getting limp mode
  202. Rough acceleration and elevated idle
  203. glow plug module issues
  204. Do I need a oil pressure sensor ?
  205. replaced head gaskets now won't start
  206. P0206, P1293, P2146, questions
  207. EGR Issues
  208. Horrible fuel mileage...
  209. New 05 lly owner...old guy here!
  210. Prime pump gasket/o-ring?
  211. Another HG Question
  212. Need help with trouble codes?
  213. Rattles like an old deisel
  214. LLY power steering gearbox issue
  215. New cp3?
  216. LBZ mouthpiece question
  217. need head gaskets done in central ky
  218. Injector Return Nipple
  219. Need your experience and insight
  220. Trans Leak , need help to locate
  221. profab downpipe install went smooth
  222. the mystery rattle continues...
  223. MAF reprogramming?
  224. Clutch Fan Question, during cold start up
  225. high balance rate after new injectors
  226. rough acceleration all of the sudden
  227. Fuel tank sending unit?
  228. Fuel probs. driving me nuts!!!!
  229. Running awful at low speed
  230. Part throttle whistle
  231. When to Check Injector Rates
  232. 04 lly won't accelerate normal
  233. LB7 Missing on Tickover in Park only?
  234. '04.5 LLY no tow/haul mode
  235. 05 Duramax head gaskets?
  236. Need help limp mode
  237. Running temp in winter
  238. 4wd, brake hard, tranny kicked into neutral...
  239. Had an odd problem today?
  240. 05 2500 HD length
  241. White/blue smoke on cold start
  242. GM Headgasket process?
  243. Driveshaft conversion
  244. Collapsed Radiator Hose
  245. Remanufactured engine?
  246. It's ALIVE, It's A-L-I-V-E!
  247. Check engine light on
  248. Fuel rail pressure low
  249. Replaced fuel filter head still have to prime.
  250. High LLY Injector Return Rates at 75000 miles?????