4L80/85E Transmissions. 6L90 Transmission [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: 4L80/85E Transmissions. 6L90 Transmission


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  1. Question: 1991 4L80E Questions
  2. TH 700
  3. 4l80 removal question..torque converter removal
  4. Info: 4L80E may not be fried! Try your input speed sensor
  5. 4l80e Code 81
  6. RPM and Speedo both out
  7. What transmission does my truck have?
  8. 97 4L80 e, flex plate and Torque converter issues
  9. Full Trans & Torque converter Flush Q&A & with "Dr Tranny" treament also??
  10. Question: Trans & Torque converter Flush Q&A - Also Dr Tranny
  11. 4L80E Hard Shift Only If Overdrive Is Used
  12. wiring problem
  13. can someone share the text of bulletin 98877162
  14. Trans Cooler thread ?
  15. Harness spliced
  16. Code 85 won't clear
  17. Top Speed?? 4.10 gears and 4L80e
  18. Question: 4L80E - Delay in Reverse Engagement
  19. No fourth gear
  20. Need Transmission Help ASAP! 95 K3500
  21. 1993 4L80E Required Sensors
  22. 4L80E/4L60E Parts List
  23. 4L80e Hard shift 1-2
  24. 1996 SuburbaN will not go in reverse
  25. Whats up with Reverse in these 4L80E's
  26. Trans coming out for rear main. Rebuild?
  27. Question: 1999 Suburban K2500 - No Reverse
  28. 4L80E will not shift into OD or 4th lockup
  29. Question: Transmission Fluid for 1999 Diesel Chevy Suburban K2500?
  30. Issue with new DEX VI
  31. 4L80E if the tailshaft has slip yoke is it 2wd ?
  32. 1998 6.5 turbo diesel 4l80 e question
  33. Trans Issue
  34. 4l80E Compatibility 'Chart'
  35. Do gears wear out?
  36. Tranny Problems
  37. Broken shift shaft stud
  38. Mechanical injection 6.5 tci tcu questions
  39. 4L80 no lockup and no overdrive
  40. 98 Chevy 2500 won't go in to park - cable adjustment or something else?
  41. Question: Runaway line pressure 4L80E 6.5 diesel
  42. No TCC, downshifts to 3rd after 8-10 miles
  43. Question: Reverse slips rpm goes up but no motion
  44. 95 3500 trans problem... with a twist
  45. 4L80E Conversion - Older Truck
  46. Overdrive shift erratic, sometimes does shift, sometimes not
  47. Question: 4L80E Interchange
  48. duramax with t42 or 4l80/6l90 in a van
  49. slip yoke ?
  50. Cant hook up speed sensor
  51. need lessons on torque converter
  52. Pressure Control Solenoid Issues
  53. Transmission Fluid?
  54. Added A Manual TCC Switch
  55. How long is it safe to be in OD
  56. No reverse
  57. EFI on 4L85E
  58. Tourque Converter Lock up grind?
  59. 4L80E Conversion - Tranny cross member/support
  60. tranny help
  61. 4L85 Slip yoke
  62. 4l80E Vibration?
  63. 4L80-E TCC Lockup
  64. 98 6.5 3500 clutch problems
  65. Which tranny do I have ?
  66. Will the check balls fall out if you drop the valve body a little?
  67. Trans in limp mode
  68. Swap a 94 for a 95
  69. First post and Question at end of post External filter
  70. 4L80E- I think 3rd gear is slipping, fine when shifts to OD
  71. 4l80e Diesel to gas Conversion HELP
  72. how can i figure out which tranny i have?
  73. 4L80e hesitation during downhill
  74. Yet another question on No Reverse
  75. 4l80E making metal on metal slipping noise
  76. how to get tranny codes 97 C2500 Suburban 6.5
  77. 8.1L Suburban 4L80E and 99 Diesel Subburban
  78. 98 k3500 4L80E trans no reverse servo piston mislaignment/repair questions
  79. Kick Down Not seeming to be working.
  80. Question: 4L80E Won't Shift When Hot
  81. 4l80e lockup in 1st and reverse when hot
  82. 95 suburban jumping in and out of gear
  83. 4l80E No overdrive and erratic cruise control
  84. Will a 2000 4L80e work in my 94 K2500?
  85. Turbo 400 no gears after case swap
  86. 4L80e shudder under load and at stop light
  87. Harsh 1-2 shift revisited
  88. 6.5td and 4l80E
  89. 98 4L80E compatibility?
  90. TC erratic lock until warm, delayed engagement from dead stop
  91. Hard erratic shifting on 91 Burb
  92. 4L80- no O/D and No Reverse
  93. gasket or rtv
  94. Code 85, 93 2500 4L80E 4x4
  95. 4l80e gas vs diesel
  96. 4L80E with electronic to mechanical injection pump conversion is there any hope?
  97. torque converter not staying locked
  98. 4l80e reving 300 rpm before shifting into OD
  99. intermittent p0717
  100. Question: truck dont like water
  101. how to tell if torque converters on way out?
  102. replace with 94 4l80e tag DL. P
  103. diesel tahoe tranny leak
  104. 4L80e Swap into 2011 Camaro
  105. Transmission problem
  106. Re-manufactured NP241 needed ?
  107. 700r4 screen
  108. help i am not sure if this a tranney problem or not
  109. 4L80E no reverse no overdrive
  110. Quick Rebuild Opinion
  111. Was I Sold a Load of Bunk?
  112. No 4th gear or OD, sometimes
  113. Question: 4l80e rebuild still no drive or overdrive
  114. how can i tell what transmition i have?
  115. No OD on 4L80E
  116. problem with transmission while coasting
  117. Info: 94 4l80e to newer
  118. 4L80E leaking
  119. 1991 tranny -4l80E, problems with electronics
  120. New to me truck with problems
  121. 4l80e shudder
  122. What's needed for a killer 4L85E build?
  123. How to reset TCM/PCM on 93 6.5, 4L80e?
  124. Codes thrown
  125. 6 speed 4l80E swaping valve body only
  126. 96 4l80E into a 93?
  127. 99 gmc 3500 4l80e to manual trans ?
  128. Superior 4L80E Shift Improvement Kit, anyone?
  129. 4L80E from a gasser
  130. Can I put a 96 4l80e in my 99 Suburban?
  131. 1991 Suburban 4l80e staying in second but sometimes shifting
  132. 4L80E Shifting Problems
  133. grinding into o/d
  134. 4l80 wont shift out of 2nd sometimes??
  135. 4l80E gm manual, free download
  136. chevy 93 6.5td suddenly, no shift into any gear
  137. temps: Whats normal? Whats to hot?
  138. 6L90E PROGRAMMING
  139. 4L80E Quit shifting completely at a stoplight
  140. ? about 4l80e out of a Jag
  141. DRAC/VSSB module...
  142. 1995 6.5 turbo diesel transfer case ??s
  143. Noise when accelerate at the (very) low speed
  144. Disconnecting the passthrough connector
  145. U-Pull 4L80E
  146. Question: No reverse?
  147. TC quitting?
  148. 97 C2500 Suburban hard 1-2 shift
  149. Question: 1997 2500 GMC 6.5 TD
  150. Putting a 4l80e in a 1980's K2500
  151. 4L80E with wierd electrical issue
  152. Question: 4l80e - Please could someone help?
  153. 94 k1500 4l80e to nv4500 swap
  154. Question: very wierd tranny or front axel issue
  155. Speedo won't move/shifting issue
  156. 99 K3500 4L80E OD dropping out
  157. Looking at buying a 2001 1 ton van, trans issue
  158. Trans blasting fluid out stuck at buddys shop
  159. 4-3 Downshift issue on 700R4
  160. 4L80E Shifting Issue Question
  161. A/B shift soleniod - install help
  162. 1992 k3500 6.5 4l80e problems
  163. 1993 6.5 4L80E DTC 68 Overdrive Ratio Error
  164. 1993 chevy 6.5 no converter lock up 4l80e
  165. Question: 4L80E Cooler lines
  166. Tranny upgrades...
  167. Question: Won't shift into low
  168. Question: Anybody changed the front seal /bushing on a 4L80E?????
  169. 4l80e ?
  170. 4l80 1st gear slipping when cold
  171. 4l80e/np241c length
  172. Speedo not working
  173. DIY: 4L80E trans flush?
  174. 4L80E shudder, torque converter or transmission?
  175. Swap 98 Savana 3500 trans into 94 Sierra 3500?
  176. 1999 4L80E to a 1996
  177. 1992 - What other years work?
  178. Any 700R4/4L60 experts in the house?
  179. Question: Vss
  180. 95 Tahoe 4L80E fluid change/flush
  181. Transmission in Limp with DTC81 indicated
  182. 4L80E question
  183. 4l80e problems
  184. Holes in rear of 4l80, can I block them? With pic
  185. 1993 Chevy K3500 1 Ton Dump Truck 4WD 6.2L Diesel Transmission Problems
  186. 2006 Chevy Express 3500 Duramax Limp Mode Help!!
  187. Question: 4l80 off 4l60 tune help from aus
  188. 1995 K2500 (6.5TD) Not releasing Convertor when pulling a hill
  189. 4L80 intermittent OD & blinking gear selector
  190. Transmission sometimes shifts hard
  191. 3-4 shift solenoid problem?
  192. Question: Tranny Problems - Any Advice?
  193. Coolant Temp Sensor (CTS)
  194. Kinda weird going into gear...maybe???
  195. Not a typical P0756 problem
  196. Transmission Cooler differences
  197. Weird 4L80E problem
  198. Broken 4wd harness help
  199. 99 4L80E into 94 3500 2wd???
  200. Shifts in and out of OD at 60mph
  201. Question: Gotta rebuild it again...
  202. After transmission warms up, only first gear.
  203. hard shift into reverse and clunk when letting off
  204. Trans disengages, won't re-engage until restart motor
  205. 98 Suburban fuse #20 blown
  206. 4L80E flexplate out of round
  207. Question: Normal for engine RPM's to fall to Idle after releasing throttle?
  208. Just purchased, Hard 1-2 shift, dirty fluid, dented pan.
  209. 700R4 and 4L60E parts compatability
  210. 95 4L80E stuck in limp
  211. Swap gone bad???
  212. Replaced Trans fluid now stuck in Park
  213. 4L80E flex plate orientation
  214. nasty trans fluid.
  215. Optishift/US Shift install?
  216. Trans oil temp sensor
  217. Need replacement trans lines (confused about listings)
  218. Tranny swap
  219. Help with my 1992 K2500 Suburban 4l80e slipping
  220. Reflashing tcm for 4.88 axle on 4l80e, is it possible?
  221. High trans-temps
  222. Question: A question for anyone with a normal working 4L80E
  223. Question: No reverse
  224. 4L80E starts out in second gear...
  225. Limp Mode
  226. 96 k1500 no start without trans
  227. 4L80E from a 5.7l
  228. 97 C2500 'burb slow to engage in the morning
  229. Question: 4L80 overdrive not engaging without ''Service engine soon'' light on
  230. 93 stuck in 4X4 low
  231. 4l80e jumping between 3rd and 4th. speedo issues as well
  232. Missing output sensor connector
  233. weak reverse
  234. No reverse
  235. 4l80e 3rd-OD problem
  236. Question: 2000 Chevy Crew Cab 4x4 4L80E Transmission No Overdrive
  237. 4L80E wouldn't shift above 2nd gear this morning!
  238. Best 4l80e type for 300HP 6.5L TD
  239. Limp Mode on Startup
  240. 4l80 slipping flaring into 2nd and slide/bump with 1st slipping too
  241. Speedo not working
  242. 4L80E High RPM shift points and more...
  243. Leaking rear seal
  244. Trans rebuilder
  245. Filter question
  246. 4l80e, intermittent 1st, limp mode, high and unknown rati
  247. another 4l80e compatiblity question :)
  248. 4L80E Questions (99 3/4T TD Burb)
  249. 4L80E 2WD to 4WD?
  250. Question: 97 4l80e 4x4

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