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View Full Version : 6.5L Turbo Diesel - Tech Support - Troubleshooting - Performance



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  1. Fuel pickup sock
  2. Recommendation for 1990 Chewy 4WD Suburban Frame
  3. 2000 K-3500 6.5 Oil Cooler Lines
  4. 6.5 NON turbo Newbie questions
  5. 94, 3/4 ton, 6.5 turbo, starter bolt hole broken
  6. 6.5L Air Cleaner Options
  7. Chevy 6.5 td. No power when towing
  8. Which fan/fan clutch do I really want?
  9. Towing question.
  10. Triple pillar guages for 98 K3500
  11. overheating wild temp swings after new waterpump/thermostats!
  12. 6.5 performance upgrade. WOW
  13. Will 6.2l heads work on 98' 6.5l turbo diesel
  14. 98 K3500 Turbo to Manifold Studs
  15. Prozone heads any good?
  16. 1995 6.5 turbo diesel no power
  17. bizarre fuel leak.
  18. 1998 K3500 DRW Ext Cab Bed Bolts?
  19. 6.5L running bad
  20. Help purging air from injection system!
  21. Sometimes, You Need a Closer Look...
  22. New or Rebuilt cylinder heads?
  23. How can I manually check my oil pressure on my '95 6.5L ?
  24. Air in the fuel system
  25. OBD1 code 94
  26. thermostats
  27. AMG Block
  28. Weight of bare 6.5 block?
  29. Mahle Pistons the same size?
  30. New owner, have a question...
  31. 96 3500 6.5 turbo wont start.please help
  32. Cold Weather Starts
  33. Intercooler Options
  34. Installing new Pistons with Rings
  35. Freeze plug with the "sensor plug"
  36. HX30 turbo?
  37. Is this normal?
  38. Need vacuum line advice
  39. How do you install the male compression for the engine oil feed line into the top of
  40. 95 chev k1500 6.5 accelerator pedel
  41. A Better Oil Catch Can For The 6.5TD
  42. Rear Main Seal Install Questions
  43. No Start/Hard starting 6.5 non-turbo
  44. Upgrading To The Larger CS144 Alternator.
  45. Intermittent slow starter speed
  46. Glow plugs
  47. 98 6.5 electronic to mechanical pump swap
  48. Rough Starting
  49. 95 6.5 hard starting
  50. Smoke from oil fill, losing coolant...
  51. Speed constant but rpm is changing ???
  52. Looking for advice on flushing the rear heater core on the 1996 6.5 diesel Suburban.
  53. I read somewhere to NOT use a magnetic oil pan heater Is there a specific reason to
  54. Is a 16lb radiator cap OK?
  55. No oil pressure?
  56. valve cover leakage
  57. 1998 Sierra clattering while accelerating
  58. Sierra 3500, how much weight in bed?
  59. Roller rockers
  60. How many wires can I disconnect and still run?
  61. 6.5TD Will Not stay running, Hard to start, then shuts off after bucking/kicking?
  62. 1994 TD Cruise Control Issue
  63. aging diesel fuel query; & when is cleaning out fuel tanks also recommended?
  64. Need a good turbo shop
  65. New member hello and asking for noob help
  66. Can And Has It Been Done Before??
  67. RH exhaust manifold bolt/stud holes
  68. request for info when starting a 6.5 (P400) for first time!
  69. Is It a good deal??
  70. permanently installed battery tender
  71. Thermostat Problems
  72. '93 6.5 Turbo diesel Transmission fail codes
  73. 6.5 hard to start after a day
  74. loud truck
  75. Suburban auto to manual conversion
  76. Bearing question
  77. 6.5 swap into 94 c3500
  78. query on front wheel hubs for 1998 K2500 suburban
  79. P0236 and turbo issues, 98 F-vin Chevy
  80. Where can I look up torque specs online?
  81. Mechanical injection pump external fuel adjustment?
  82. Need a new turbo to upper intake hose and installation advice
  83. Placement of rear main seal
  84. Worth Repeating
  85. Swapping engine harness on the 96 Suburban
  86. Block cracks
  87. Dahooooley the final crusade.
  88. I Need to plug the wiring harnesses back in 96 Suburban I pulled the wiring harness
  89. Wont Relearn after batteries disconnected
  90. Compression test
  91. New gremlin to find
  92. questions about 6.5 and 95 k2500
  93. AC Pressure Switch Question
  94. Which Camshaft Lube?
  95. 96 6.5 c3500 will not stay running
  96. Newbie looking for hot start opinions
  97. How big of a deal is this?
  98. engine struggerling to start
  99. Sending off your trucks ECM for programming or just get one from the seller-Thoughts?
  100. help in grant county Indiana
  101. Head question on 6.5 with 6.2 block swap
  102. Coolant Loss
  103. Broken glow plug - anyone in Michigan?
  104. snake oil injector pump fix?
  105. Specs on a 99 NA 6.5
  106. heads
  107. PMD/FSD mounting
  108. Is this just another place where a pipe plug goes?
  109. What part is this?
  110. 97 2500 6.5 ses & stbs codes
  111. CDR valve
  112. Injection pump transmission relationship
  113. Radiator question - stranded 6.5
  114. Grounds............
  115. PMD or Not?
  116. Iowa Members
  117. DB4 to DB2 Conversion San Diego
  118. Mech IP Cooling question
  119. 1994 Chevy 3500 - Turbo diesel
  120. Anyone know what this threaded hole is for?
  121. EGR Delete
  122. start up smoke
  123. Anyone know what this tiny plug is for?
  124. Power steering ad transmission line fitting size
  125. Almost done
  126. Crank Signal For PCM
  127. Can the heads be pulled for new gaskets and head studs while engine is in the truck?
  128. Frozen Waste Gate
  129. heater hose/radiator plumbing
  130. Does my turbo master look right?
  131. Crankcase ventilation on military take out?
  132. Adding Power Heated Mirrors to Non-Power Mirror Truck - Wiring?
  133. No Oil... Now What
  134. C3500 hd
  135. '93 Dual Thermostat/Mechanical Throttle
  136. Five Wire Heated Power Mirror Wiring
  137. 6.5 harmonic balancer question
  138. Bad glow plugs replaced, now it starts but won't run?
  139. 6.5 engine RPO code??
  140. 6.5 MFI Cooling mods are in stock now
  141. Aftermarket VMAC Compressors (70cfm)
  142. Power Steering whinning & also braking effected Q&A?
  143. Trans & Torque converter Flush Q&A - Also Dr Tranny
  144. Does the power steering fluid type matter for a for flush?
  145. Is there a post or procedure for the 4L80E trans FULL flush
  146. Recommendations
  147. Finished for now
  148. Oil in Exhaust- Turbo Seals?
  149. There's a needle in my haystack
  150. my transmission
  151. Inexplicable LOAD rattle
  152. Boost pressure too high.......Need advice.
  153. Chip and Malfunction gauge display
  154. Another No Start... with a twist.
  155. Lift Pump Regulator
  156. fuel shut off
  157. coolant change, thermostat change
  158. Turning off the SES lite
  159. 93 6.5 Turbo - No boost / turbo?
  160. A/C evaporator, '93 6.5 C2500
  161. Rough Start after oil change.
  162. Turbo Wastegate Vacuum Actuator Bolts
  163. 6.5 relocate current pmd
  164. 93 Sierra 6.5 - Low coolant light
  165. Starter not engaging and cranking the engine - need help please!
  166. 96 6.5 belt walking off the tensioner
  167. 96 6.5 k2500 running to hot??
  168. Looking for advice on Suburban purchase
  169. Harmonic balancer(s)
  170. 94 6.5 low rpm hwy
  171. 94 6.5 turbo - remove electronics
  172. 93 6.5 A/C not working right
  173. Idle to boost ?
  174. Smokes, Runs like crap.
  175. Code 251 1997 Suburban
  176. IP not returning to idle
  177. Voltage / amp issues?
  178. VSS buffer programming.
  179. Newbie
  180. 98 motor in a 95 suburban
  181. block identification
  182. 99 burb stall and no start
  183. Changed wire harness now truck wont start
  184. 6.5 eng.
  185. fuel pressure loss
  186. 6.5 diesel van take out
  187. Delete Vac pump? Unintended consequences?
  188. AC Delco injectors
  189. 6.5 quits running at 2800 rpm
  190. 'Thin Fuel' Injection Pump ('Arctic' model)
  191. Installation of a Holset HX35W turbo?
  192. Fuel Filtration
  193. Engine noise
  194. Replaced 6.5
  195. Head gaskets
  196. Having a stack without a flapper
  197. Turning truck off big clunk
  198. Stalls when first gets running
  199. 6.5 replaced and fuel pump wont prime
  200. Scan Tools?
  201. 6.5 questions-install into 1985 K10
  202. Swap to 6.5L or not?
  203. Oil leaks
  204. Oil leaks #2
  205. 93 6.5 K2500 - what transmission
  206. Trans acts up then fine
  207. 94 SES light at throttle
  208. knocking? 6.5td
  209. smokey haze
  210. Flucating Temps
  211. Dreaded starter bolts
  212. Ticking
  213. 6.5 air bound in fuel and not shifting into 4th gear
  214. Thanks Everyone, but one more issue
  215. loss of tack,power stearing and power brakes
  216. fast=smokier
  217. Engine Performance Diminishing
  218. oil pressure gauge
  219. hello everybody 6.5 newbie here
  220. High boost pressures at interstate speeds
  221. Glow Plug Relay Not Switching
  222. how to test the rpm/oil pump drive?
  223. Best coolent
  224. 1995 C2500 Tach
  225. Smoking Under Power
  226. Air compressor
  227. 4l80e recommended oil
  228. Oil high
  229. 2000 Heads
  230. 1997 6.5 turbo diesel losing power
  231. 95 6.5l 2500 GMC - Fuel Problems
  232. Best mechanical pump?
  233. Thought idle and stalls
  234. New to forum need help with my 6.5
  235. Valve covers are leaking. While my covers are off is there anything I should look
  236. 6.5 starter
  237. I'm looking for a turbo return line kit for a 6.5 turbo diesel, similar to what Raced
  238. 0w40 for the 6.5?
  239. boost psi question
  240. membership ???
  241. Code 78 with Turbo Master
  242. First Diesel truck, only ever owned tractors
  243. Changing from electronic to manual ip
  244. 1995 GMC 3500HD 6.5 Turbo Diesel
  245. Having issues
  246. Squealing noise
  247. 6.5 dieing constantly
  248. New Rebuild Stumbling At Idle
  249. Dumb Luck
  250. Knocking passenger side