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

: 4L80/85E Transmissions. 6L90 Transmission


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  1. soft shifts
  2. Question: 4L80E p0722 No 1-2 shift
  3. Help! 2-3 shifting issues
  4. '95 4L80 to replace a '00
  5. Sorting out codes/shifts on a new rebuild
  6. Computer/Transmission Issue
  7. ***HELP*** 4L85E trasmission mount
  8. 4l80 leaking from t-case adapter?
  9. 6l90 cooking itself
  10. P0756 AGAIN!!!
  11. Question: sluggish/soft shifts
  12. Direct drum compressive force
  13. 98 6.5 stuck in limp mode
  14. Question: no four wheel drive
  15. Aux. overdrive questions
  16. 7 pair frictions or 5 pair in direct clutch?
  17. 4L80E/NP241C questions
  18. Question: th400 engine braking
  19. Help needed
  20. Question: Will a 94 4l80e work in my 99?
  21. Question: 1991 4L80E Questions
  22. TH 700
  23. 4l80 removal question..torque converter removal
  24. Info: 4L80E may not be fried! Try your input speed sensor
  25. 4l80e Code 81
  26. RPM and Speedo both out
  27. What transmission does my truck have?
  28. 97 4L80 e, flex plate and Torque converter issues
  29. Full Trans & Torque converter Flush Q&A & with "Dr Tranny" treament also??
  30. Question: Trans & Torque converter Flush Q&A - Also Dr Tranny
  31. 4L80E Hard Shift Only If Overdrive Is Used
  32. wiring problem
  33. can someone share the text of bulletin 98877162
  34. Trans Cooler thread ?
  35. Harness spliced
  36. Code 85 won't clear
  37. Top Speed?? 4.10 gears and 4L80e
  38. Question: 4L80E - Delay in Reverse Engagement
  39. No fourth gear
  40. Need Transmission Help ASAP! 95 K3500
  41. 1993 4L80E Required Sensors
  42. 4L80E/4L60E Parts List
  43. 4L80e Hard shift 1-2
  44. 1996 SuburbaN will not go in reverse
  45. Whats up with Reverse in these 4L80E's
  46. Trans coming out for rear main. Rebuild?
  47. Question: 1999 Suburban K2500 - No Reverse
  48. 4L80E will not shift into OD or 4th lockup
  49. Question: Transmission Fluid for 1999 Diesel Chevy Suburban K2500?
  50. Issue with new DEX VI
  51. 4L80E if the tailshaft has slip yoke is it 2wd ?
  52. 1998 6.5 turbo diesel 4l80 e question
  53. Trans Issue
  54. 4l80E Compatibility 'Chart'
  55. Do gears wear out?
  56. Tranny Problems
  57. Broken shift shaft stud
  58. Mechanical injection 6.5 tci tcu questions
  59. 4L80 no lockup and no overdrive
  60. 98 Chevy 2500 won't go in to park - cable adjustment or something else?
  61. Question: Runaway line pressure 4L80E 6.5 diesel
  62. No TCC, downshifts to 3rd after 8-10 miles
  63. Question: Reverse slips rpm goes up but no motion
  64. 95 3500 trans problem... with a twist
  65. 4L80E Conversion - Older Truck
  66. Overdrive shift erratic, sometimes does shift, sometimes not
  67. Question: 4L80E Interchange
  68. duramax with t42 or 4l80/6l90 in a van
  69. slip yoke ?
  70. Cant hook up speed sensor
  71. need lessons on torque converter
  72. Pressure Control Solenoid Issues
  73. Transmission Fluid?
  74. Added A Manual TCC Switch
  75. How long is it safe to be in OD
  76. No reverse
  77. EFI on 4L85E
  78. Tourque Converter Lock up grind?
  79. 4L80E Conversion - Tranny cross member/support
  80. tranny help
  81. 4L85 Slip yoke
  82. 4l80E Vibration?
  83. 4L80-E TCC Lockup
  84. 98 6.5 3500 clutch problems
  85. Which tranny do I have ?
  86. Will the check balls fall out if you drop the valve body a little?
  87. Trans in limp mode
  88. Swap a 94 for a 95
  89. First post and Question at end of post External filter
  90. 4L80E- I think 3rd gear is slipping, fine when shifts to OD
  91. 4l80e Diesel to gas Conversion HELP
  92. how can i figure out which tranny i have?
  93. 4L80e hesitation during downhill
  94. Yet another question on No Reverse
  95. 4l80E making metal on metal slipping noise
  96. how to get tranny codes 97 C2500 Suburban 6.5
  97. 8.1L Suburban 4L80E and 99 Diesel Subburban
  98. 98 k3500 4L80E trans no reverse servo piston mislaignment/repair questions
  99. Kick Down Not seeming to be working.
  100. Question: 4L80E Won't Shift When Hot
  101. 4l80e lockup in 1st and reverse when hot
  102. 95 suburban jumping in and out of gear
  103. 4l80E No overdrive and erratic cruise control
  104. Will a 2000 4L80e work in my 94 K2500?
  105. Turbo 400 no gears after case swap
  106. 4L80e shudder under load and at stop light
  107. Harsh 1-2 shift revisited
  108. 6.5td and 4l80E
  109. 98 4L80E compatibility?
  110. TC erratic lock until warm, delayed engagement from dead stop
  111. Hard erratic shifting on 91 Burb
  112. 4L80- no O/D and No Reverse
  113. gasket or rtv
  114. Code 85, 93 2500 4L80E 4x4
  115. 4l80e gas vs diesel
  116. 4L80E with electronic to mechanical injection pump conversion is there any hope?
  117. torque converter not staying locked
  118. 4l80e reving 300 rpm before shifting into OD
  119. intermittent p0717
  120. Question: truck dont like water
  121. how to tell if torque converters on way out?
  122. replace with 94 4l80e tag DL. P
  123. diesel tahoe tranny leak
  124. 4L80e Swap into 2011 Camaro
  125. Transmission problem
  126. Re-manufactured NP241 needed ?
  127. 700r4 screen
  128. help i am not sure if this a tranney problem or not
  129. 4L80E no reverse no overdrive
  130. Quick Rebuild Opinion
  131. Was I Sold a Load of Bunk?
  132. No 4th gear or OD, sometimes
  133. Question: 4l80e rebuild still no drive or overdrive
  134. how can i tell what transmition i have?
  135. No OD on 4L80E
  136. problem with transmission while coasting
  137. Info: 94 4l80e to newer
  138. 4L80E leaking
  139. 1991 tranny -4l80E, problems with electronics
  140. New to me truck with problems
  141. 4l80e shudder
  142. What's needed for a killer 4L85E build?
  143. How to reset TCM/PCM on 93 6.5, 4L80e?
  144. Codes thrown
  145. 6 speed 4l80E swaping valve body only
  146. 96 4l80E into a 93?
  147. 99 gmc 3500 4l80e to manual trans ?
  148. Superior 4L80E Shift Improvement Kit, anyone?
  149. 4L80E from a gasser
  150. Can I put a 96 4l80e in my 99 Suburban?
  151. 1991 Suburban 4l80e staying in second but sometimes shifting
  152. 4L80E Shifting Problems
  153. grinding into o/d
  154. 4l80 wont shift out of 2nd sometimes??
  155. 4l80E gm manual, free download
  156. chevy 93 6.5td suddenly, no shift into any gear
  157. temps: Whats normal? Whats to hot?
  158. 6L90E PROGRAMMING
  159. 4L80E Quit shifting completely at a stoplight
  160. ? about 4l80e out of a Jag
  161. DRAC/VSSB module...
  162. 1995 6.5 turbo diesel transfer case ??s
  163. Noise when accelerate at the (very) low speed
  164. Disconnecting the passthrough connector
  165. U-Pull 4L80E
  166. Question: No reverse?
  167. TC quitting?
  168. 97 C2500 Suburban hard 1-2 shift
  169. Question: 1997 2500 GMC 6.5 TD
  170. Putting a 4l80e in a 1980's K2500
  171. 4L80E with wierd electrical issue
  172. Question: 4l80e - Please could someone help?
  173. 94 k1500 4l80e to nv4500 swap
  174. Question: very wierd tranny or front axel issue
  175. Speedo won't move/shifting issue
  176. 99 K3500 4L80E OD dropping out
  177. Looking at buying a 2001 1 ton van, trans issue
  178. Trans blasting fluid out stuck at buddys shop
  179. 4-3 Downshift issue on 700R4
  180. 4L80E Shifting Issue Question
  181. A/B shift soleniod - install help
  182. 1992 k3500 6.5 4l80e problems
  183. 1993 6.5 4L80E DTC 68 Overdrive Ratio Error
  184. 1993 chevy 6.5 no converter lock up 4l80e
  185. Question: 4L80E Cooler lines
  186. Tranny upgrades...
  187. Question: Won't shift into low
  188. Question: Anybody changed the front seal /bushing on a 4L80E?????
  189. 4l80e ?
  190. 4l80 1st gear slipping when cold
  191. 4l80e/np241c length
  192. Speedo not working
  193. DIY: 4L80E trans flush?
  194. 4L80E shudder, torque converter or transmission?
  195. Swap 98 Savana 3500 trans into 94 Sierra 3500?
  196. 1999 4L80E to a 1996
  197. 1992 - What other years work?
  198. Any 700R4/4L60 experts in the house?
  199. Question: Vss
  200. 95 Tahoe 4L80E fluid change/flush
  201. Transmission in Limp with DTC81 indicated
  202. 4L80E question
  203. 4l80e problems
  204. Holes in rear of 4l80, can I block them? With pic
  205. 1993 Chevy K3500 1 Ton Dump Truck 4WD 6.2L Diesel Transmission Problems
  206. 2006 Chevy Express 3500 Duramax Limp Mode Help!!
  207. Question: 4l80 off 4l60 tune help from aus
  208. 1995 K2500 (6.5TD) Not releasing Convertor when pulling a hill
  209. 4L80 intermittent OD & blinking gear selector
  210. Transmission sometimes shifts hard
  211. 3-4 shift solenoid problem?
  212. Question: Tranny Problems - Any Advice?
  213. Coolant Temp Sensor (CTS)
  214. Kinda weird going into gear...maybe???
  215. Not a typical P0756 problem
  216. Transmission Cooler differences
  217. Weird 4L80E problem
  218. Broken 4wd harness help
  219. 99 4L80E into 94 3500 2wd???
  220. Shifts in and out of OD at 60mph
  221. Question: Gotta rebuild it again...
  222. After transmission warms up, only first gear.
  223. hard shift into reverse and clunk when letting off
  224. Trans disengages, won't re-engage until restart motor
  225. 98 Suburban fuse #20 blown
  226. 4L80E flexplate out of round
  227. Question: Normal for engine RPM's to fall to Idle after releasing throttle?
  228. Just purchased, Hard 1-2 shift, dirty fluid, dented pan.
  229. 700R4 and 4L60E parts compatability
  230. 95 4L80E stuck in limp
  231. Swap gone bad???
  232. Replaced Trans fluid now stuck in Park
  233. 4L80E flex plate orientation
  234. nasty trans fluid.
  235. Optishift/US Shift install?
  236. Trans oil temp sensor
  237. Need replacement trans lines (confused about listings)
  238. Tranny swap
  239. Help with my 1992 K2500 Suburban 4l80e slipping
  240. Reflashing tcm for 4.88 axle on 4l80e, is it possible?
  241. High trans-temps
  242. Question: A question for anyone with a normal working 4L80E
  243. Question: No reverse
  244. 4L80E starts out in second gear...
  245. Limp Mode
  246. 96 k1500 no start without trans
  247. 4L80E from a 5.7l
  248. 97 C2500 'burb slow to engage in the morning
  249. Question: 4L80 overdrive not engaging without ''Service engine soon'' light on
  250. 93 stuck in 4X4 low

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