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

: 04.5-05 LLY Duramax Powertrain


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  1. Speedo correction help
  2. Just replaced thermostats....questions
  3. Possible trans vibration 50+ mph
  4. Recirculation option help?
  5. Crazy shifting after trans build
  6. Surging-loping at idle
  7. Loosing coolant, truck won't heat up
  8. Help with oil leak
  9. Picked up a motor, have questions
  10. Ran the tank dry
  11. LLY return line fitting leak
  12. kinda stumbles
  13. LLY fuel mileage question
  14. LB7 and LLY Rocker Assembly interchangeable?
  15. Limp Mode question
  16. EGR malfunction
  17. LLY head gasket pics
  18. Diesel shops, Los Angeles / OC area for HG
  19. Bcm wiring harness!!!!
  20. weird idle
  21. Elevated idle not coming on with remote start?
  22. Mixed Antifreeze and Dex-cool
  23. "UCL" Unidentified Coolant Leak ??? Do you believe?
  24. Bad fuel mileage after headgaskets?
  25. head gaskets replaced now it won't turn over
  26. So is Moog the only game in town?
  27. winter fuel additives?
  28. Need some help!
  29. How common is head gasket failure?
  30. software update issues
  31. possible vanes sticking or just the sensor
  32. Another P0045 code
  33. New to me duramax advice
  34. Map Sensor harness
  35. CTS insight monitor question
  36. maf sensor readings
  37. broken crank
  38. Cold weather starting issue LLY 05
  39. Things just dont add up. Need Advise.
  40. 5th gear issues
  41. buying LLY need further advice from the "sticky thread"
  42. Bad knock
  43. Please help
  44. Oil pressure question
  45. Hot cold hot cold?
  46. blue smoke, oil in exhaust
  47. Water sensor on fuel filter
  48. Fuel foaming issues
  49. A little confused.
  50. P0101 & P0102, and fuel knock
  51. Bad/Leaking EGR cooler?
  52. 4x4 Problem
  53. Low power & Lots of smoke NO CODES
  54. Water pump removal '04 LLY
  55. Possible Software Problem?
  56. P0261 this is getting old
  57. White smoke
  58. LLY inconsistent drivability, fuel related?
  59. If it's not a waterpump, what is it?
  60. Need help lly
  61. Help please
  62. possible injector problem??
  63. no oil pressure
  64. Intake horn Help
  65. '04 Duramax Fuel Primer Problem....Will Not Start
  66. 2005 duramax fuel filter
  67. EGR codes on blocked and sticked motor
  68. pitman shaft seal
  69. LLY Problem
  70. Head Gasket, Injectors? I can't pinpoint what it is
  71. Head Gaskets Failed Again??
  72. Truck won't start without starting fluid
  73. P0304 Balance rates point to injector stuck open?
  74. Ran dry now I have no rail pressure!
  75. LLY popping
  76. LLY Rebuild??
  77. New nsbu and ign switch what else ?
  78. Injector question ????
  79. 2005 lly wont heat up past 165
  80. White smoke
  81. Engine ticking
  82. Possibly dropping fuel rail pressure?
  83. LLY Over Heating write up
  84. Coolant coming out of hose on top of resovoir tank
  85. Blown HG's - Should I use or not?
  86. NO 4 Wheel Drive
  87. Fprv
  88. 04.5 Range Shift Inhibited help please
  89. Vibration at idle
  90. Lly thermostat hose help
  91. 4wd service message
  92. Mishimoto Radiator
  93. head gasket question
  94. "Weather proofing" NSBU
  95. More issues
  96. power steering pump?
  97. won't start with out help!
  98. New injectors, same balance rates :( rattle issue
  99. lly barely accelerates
  100. How badly did I just mess up?
  101. injector balance rates?
  102. help! misfire, low compression, 2 shops, 2 opinions
  103. Coolant issues? help
  104. Balance rate question
  105. Van LLY vs pickup LLY
  106. Truck won't start after PPE Xcelerator tune on 05' LLY
  107. water pump on LLY
  108. 04 1/2 Engine Issue Question
  109. LLY White Smoke when pulling
  110. Weird vibration !
  111. Oil leaking from turbo exhaust side
  112. Whining noise from Hydroboost area.
  113. 2K buck for an 05 LLY?
  114. ISO: Front suspension kit
  115. 2005 stock LLY smoke??
  116. Injector pump?
  117. LLY no start, no crank, P0621 code
  118. Not getting any fuel rail pressure.
  119. power steering
  120. Whining noise?
  121. Engine block checks
  122. Need help
  123. Lly won't start
  124. Help Me Spend/Save $$$
  125. fuel pressure relief valve
  126. LLY Seems down on Power
  127. Need help fast!
  128. HG needs replaced. What else should I replace besides use ARP studs?
  129. Fuel Leak Top of engine
  130. 05 Knocks then Dies When Warmed Up
  131. Need the 2005 diesel supplement for owners manual 2005
  132. Help stuck in memphis
  133. Trans and Glow Plug Issues
  134. LLY Troubles - Low Operating Temperature
  135. Just did head gaskets. Truck was running but died. Wont start now.
  136. glow plug circuit
  137. Egr Cooler Support Bracket
  138. Need help!!! Truck wont start with the key and now the guages dont work
  139. Glow plugs
  140. Head gasket help!!
  141. Where do these pins go on my cylinder heads??? HELP!
  142. Truck surging and CEL
  143. Gas in Diesel & Whine
  144. gas light on and gas gauge on MT, limb mode
  145. Little more help with Kennedy install please
  146. oil pressure sensor
  147. weird ect's after tstat replacement
  148. EFI Live issues
  149. Not sure what is wrong with my 05 lly
  150. p0182 Fuel Temp Sensor
  151. Transfer case pump rub
  152. complete new filter head assembly
  153. runs then dies, primer pump sucked closed
  154. Sign injectors going bad?
  155. High Mileage 04.5 Issues? (305,000)
  156. LLY duramax injector issues
  157. EGR Valve Location
  158. Injector R&R in So-Cal
  159. 05 LLY new cp3, race plug and new injectors still have p1093
  160. need help
  161. Coolant temp questions
  162. trans overheating
  163. PPE Programmer need Exhaust?
  164. LLY question ?? Maybe some advice
  165. Trans slipping?
  166. WTF Fuel and Injector Issues
  167. Loss of Power?
  168. 05-08 Duramax which one should I buy?
  169. Still getting limp mode
  170. Rough acceleration and elevated idle
  171. glow plug module issues
  172. Do I need a oil pressure sensor ?
  173. replaced head gaskets now won't start
  174. P0206, P1293, P2146, questions
  175. EGR Issues
  176. Horrible fuel mileage...
  177. New 05 lly owner...old guy here!
  178. Prime pump gasket/o-ring?
  179. Another HG Question
  180. Need help with trouble codes?
  181. Rattles like an old deisel
  182. LLY power steering gearbox issue
  183. New cp3?
  184. LBZ mouthpiece question
  185. need head gaskets done in central ky
  186. Injector Return Nipple
  187. Need your experience and insight
  188. Trans Leak , need help to locate
  189. profab downpipe install went smooth
  190. the mystery rattle continues...
  191. MAF reprogramming?
  192. Clutch Fan Question, during cold start up
  193. high balance rate after new injectors
  194. rough acceleration all of the sudden
  195. Fuel tank sending unit?
  196. Fuel probs. driving me nuts!!!!
  197. Running awful at low speed
  198. Part throttle whistle
  199. When to Check Injector Rates
  200. 04 lly won't accelerate normal
  201. LB7 Missing on Tickover in Park only?
  202. '04.5 LLY no tow/haul mode
  203. 05 Duramax head gaskets?
  204. Need help limp mode
  205. Running temp in winter
  206. 4wd, brake hard, tranny kicked into neutral...
  207. Had an odd problem today?
  208. 05 2500 HD length
  209. White/blue smoke on cold start
  210. GM Headgasket process?
  211. Driveshaft conversion
  212. Collapsed Radiator Hose
  213. Remanufactured engine?
  214. It's ALIVE, It's A-L-I-V-E!
  215. Check engine light on
  216. Fuel rail pressure low
  217. Replaced fuel filter head still have to prime.
  218. High LLY Injector Return Rates at 75000 miles?????
  219. Ported heads worth it?
  220. Hard cold starts
  221. loud ticking at idle. Injectors?
  222. what to do
  223. fuel knock
  224. Shredded fan belt
  225. Surging/bucking
  226. Rear frame
  227. Sudden loss of power
  228. Where to get the U-shaped fuel rail return hose?
  229. part #?
  230. What's the name of this part?
  231. Smoke or vapor coming out of fuel tank?
  232. Complete injector harness?
  233. 05 lly stuck in 4wd
  234. Is this crank seal in all the way?
  235. Vibrant Vanjen clamp charge piping
  236. Mouthpiece. LB7, aFe, or KillerBee?
  237. oil leak
  238. transfer case ?
  239. low coolant level with pressure always in tank
  240. Sudden Loss of Throttle Response
  241. Code P0101 & P0299
  242. LLY No Crank
  243. Middle of HG's questions.
  244. Quick question
  245. 05 smokes when its cold
  246. SPEEDometer Glitch
  247. HG and Head Markings
  248. Injector help!!!
  249. Idles not right
  250. Replacement Motor Vibrate at idle