: HT4100 4.1, 4.5, 4.9



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  1. HT4100 ECM/BCM Problem?!
  2. #$$%^%@#$% damn .....floods on hot restart
  3. can't flush out "rubber glue type" coolant additive... what to do?
  4. Transmission Shift cable
  5. HT4100 ISC Help
  6. 4t60-E going out
  7. Fuel Issues - Please Help!
  8. 4t60-E FDR and the computer
  9. Fixed my car! Need help on one more thing...
  10. What's wrong with my car? The mystery continues...
  11. When i go to replace the mains....
  12. 4t60-E Shudder?
  13. last year
  14. All 4.x engine service parts are discontinued?
  15. Does anybody have a spare 4.9?
  16. Knock, Knock, Knock, 4.9L
  17. Alright, i'm going in!! I need a few parts and info please.
  18. 90 4.5L Idle Learn Procedure?
  19. I have a slight problem,,, HT4100
  20. Fuel Pressure Test Fitting
  21. 1985 Seville code e15
  22. Cooling Fan Module--Where can I get one?
  23. Bars Leaks Head Gasket Repair
  24. Code E30 on 85 Deville and Vacuum Pumps
  25. Copper Gaskets?
  26. Battery/ALternator area cracking noise?
  27. Oil Analysis: Proof is in the results
  28. 1992 Eldo
  29. That Funky Emissions Tubing
  30. Hey Guys long time no chat, and long time not wanting to start either.
  31. The once a year survival kit for the 4.X series
  32. 4.9 runs rough black exhaust from tail pipe
  33. 1985 Seville harsh shifting tranny
  34. Odd brief buzzing noise from undercarriage
  35. i need a 4t60e guru; i am hating mine
  36. what is up with my car
  37. Early vs. Late 1985 FWD 4100
  38. Strange ISC
  39. 1994 cadillac deville engine knocks when warm
  40. 4.5 --> 4.9
  41. Getting ready for water pump removal
  42. 1988 Eldorado 4.5
  43. 1985 FWD HT4100 Running rough
  44. Question about spark plugs!
  45. TPS problem?
  46. 4100 Mpg
  47. 87 deville 4100 shift problems
  48. 1991 DeVille Speedometer/Transmission Trouble.
  49. Starter solenoid replacement
  50. 4.9 Injector Replacement Questions
  51. 92 STS error code A048 what does that mean?
  52. 1994 Deville 4.9 Idler pulleys
  53. Please Help!!! Rough running 4.9 , Help!!
  54. 1994 Deville 4.9 spark knock
  55. 85 Sedan Deville Stalls after 20 Miles
  56. 4.9 Potential? (Split from "4.9 to a 5.0?")
  57. 94 Deville 4.9 switching complete sending/fuel pumps
  58. 4.9 to a 5.0?
  59. Fan Runs all the time on 4.9, engine runs real cold
  60. AHHH HELP!!! Keep overheating
  61. 4.5 Vs. 4.9
  62. Fuel Mileage vs. Data Center
  63. 92 4.9 flat cam?
  64. Does twitchy tach mean misfire?
  65. ht 4100 Hesitation
  66. 1987 SDV 4.1 L V-8 Available
  67. 89 4.5 TPS installations
  68. 89 Fleetword code (30) ISC Circuit
  69. Boiling coolant, fans not running, ...
  70. no start after warm engine
  71. 1989 4.5 Idle Speed Motor
  72. 1989 Fleetwood Idle Speed Motor
  73. Valve Adjustment 4.9 Engine
  74. remaned 4.1/4.5 short block
  75. 4100 to LT1 swap 83 Coupe Deville
  76. Cylinder head removal
  77. Very poor MPG 1992 Deville ?? HELP!!??!!
  78. turn your 4.9 into a performance engine
  79. engine system fault E046
  80. Take a look at this.
  81. 4.9 exhaust manifold crack, common?
  82. 4.9 changes by year??
  83. 1994 Sedan deville 4.9L Stalls Well Driving Part 2
  84. what did i blow up? pics
  85. Just done the head gasket, think i may have messed it, help.
  86. 4.5 intake manifold on 87 4.1?
  87. 85 eldo ht4100 backfire, miss, stall
  88. Reman. Engine/Trans. What's the best company?
  89. 88 DeVille fan continues to run after I turn it off
  90. New Shell Rotella T with triple protection
  91. error codes
  92. '85 Seville 4.1L engine missing after tune-up.
  93. Help me! What is it?
  94. 93 DeVille Idle Problem
  95. 4.9 coolant flush and fill procedure!
  96. What do I need to know about the HT4100 Engine?
  97. Results of my Emissions Test
  98. Need help 91 Deville
  99. What should engine timing be when not in Timing Mode (25 degree BTDC?)
  100. Question having to do with the 4.9
  101. Simple rotor/distib cap question
  102. HT4100 85 Eldo. Header Issue
  103. Fuel Injector Replacement Tips
  104. clickinggg....
  105. No spark on '90 4.5 Seville
  106. computer accuracy
  107. Do I have to use a new A/C comp. or can I use a reman?
  108. 4.5 intake gasket replacement
  109. Life expectancy for 4.9 and 4T60E
  110. plug stuck in head
  111. Aluminum Heads?
  112. 2002 DeVille DTS maintenance
  113. ignition problems..
  114. Not a new problem
  115. I have a question, someone please explain.
  116. 91 Sedan Deville Gas Mileage ...
  117. 1990 deville hesitates
  118. Great, now I have MORE trouble codes!! E91 and E98
  119. 1994 Sedan deville 4.9L Stalls/dies well driving
  120. PCM Programming for 4.5L V8?
  121. Trouble Code E48 "EGR System Problem"....what exactly is it.
  122. 223-232f
  123. Trying to beat the heat....
  124. STP Fuel Injector Cleaner--it works!
  125. A starting we will go...
  126. 1990 deville 4.5 trouble code air management fault?
  127. 88 deville broke down need help
  128. ? easy way to remove 4.9 @ self serv yard?
  129. Sound like the egr to you guys?
  130. Trouble clearing codes
  131. 4.9 Bearing Thump--Who's Got It?
  132. When to replace O2 sensor?
  133. '92 deVille..surging, stuttering, stalling???
  134. 91 deville fuel injectors......
  135. motor rattle
  136. My car's 'puter done gone got brokeded (92 Eldo 4.9)
  137. 92 deville egr tubes ??
  138. 92' Deville Alternator/power Problem
  139. Changing TPS on 1993 Eldo 4.9
  140. O2S Help Please!
  141. Dead Cylinder - OH NOOOOOO!!!!
  142. A/C Hose Insulation Source
  143. Want your ISC problems solved? Look here...
  144. hmm, how do I get to that A/C compressor clutch?
  145. STOP ENGINE TEMP light problem.
  146. Brake light problem.
  147. Charge Battery Light On (No Codes) !!
  148. A Little help guys, please
  149. Green plug?
  150. How to check timing on an '85 Seville?
  151. No fuel pressure when ignition on, engine off
  152. 90 deville backfiring and running rough?
  153. 4.9 Eldorado Plugs/Wires install question
  154. Accel Wires
  155. Simple question
  156. 87 SDV E30 code
  157. 90 deville misfire
  158. Electrical problem + codes
  159. bad coolant leak: deville 4.5
  160. 1990 fleetwood won't run right - help
  161. 91 Deville 4.9 misses when hot outside
  162. 92 Deville throwing MAP codes, heats up and conks out.
  163. Cooling fans/AC problem
  164. Mufflers Bottom Line?
  165. 1993 Seville w/ 4.9L P041 Code
  166. HT4900 (4.9) Exhaust Manifold Interchangeability
  167. 94 Deville, odd noise and stalling now. Pics attached.
  168. Coolant Leak
  169. bad coolant leak: deville 4.5
  170. hesitation and backfire 4100
  171. 90 Coupe Deville engine problems
  172. 1990 deville hard stall on idle
  173. Cone Filter & Cold Air Intake
  174. Rough runing, missing?
  175. isc/driveability
  176. spudder of some sort
  177. 91 4.9 Runs Rich and Gas Mileage Question
  178. Hey Guys, Long time no chat, and need some input on a non input vss signal. Blew.....
  179. OLDS 350 swap
  180. 1984 eldo some new problems
  181. 4.9 EGR Removal???
  182. Recommended Spark Plugs
  183. 4.9 Running Rough...
  184. problem solved
  185. Changing Oil To Synthetic?
  186. 4.9 performance
  187. 4100 transmission
  188. Coolant System
  189. ECM says my MAT sensor is bad.
  190. Adjusting the timing
  191. PCM codes
  192. Deisel noise around 2000 rpm's
  193. Still having problems on 93 sedandeville
  194. Now im getting worried!
  195. 4100 Flowmaster 80 series VIDEOS
  196. First Car, 4.9 Eldorado. Performance Upgrades HELP? (car-noob)
  197. Cold Air Intake?
  198. 4.1 codes
  199. Helicoil vs Timesert on non N* (4.1, 4.5, 4.9)
  200. Cadillac 4.9 Head Gasket Photos
  201. Where to get Exhaust Manifold Studs
  202. Do your own oil changes.
  203. Ping Ping Go Away!!!
  204. F48
  205. 1985 Seville 4100
  206. Running fuel injector cleaner through your gas tank
  207. Cleaning the throttle body plates!
  208. Post your average MPG
  209. 1984 Throttle body need help, please.
  210. Why is my caddy over heating ?
  211. Poor mpg on 93 sedandeville
  212. Squeeking Noise!
  213. Rwd/fwd Ht4100
  214. TRANS ID'ing
  215. HT4100 Check In
  216. 15W40 delco with GM oil supplement
  217. Performance transmission rebuild...
  218. 4.5 L tranny bolt pattern
  219. isc motor re-learn
  220. 4.9 Extremely rough running issue
  221. Stripped Head Bolt Hole Where Do I Get Helicoil?
  222. engine swap 4100 to 305 chevy
  223. 1984 Cadillac - 4100 firing order and distributor rotation
  224. '92 Eldo Problems
  225. overheating, now power, 83 coupe deville ht4100
  226. Whats the brown stuff on my valves?
  227. Doing My 4.9 Head Gasket Looking for Advice on Parts
  228. ecm replacement
  229. Recommended sealant for water pump gasket on 91 deville
  230. What do i coat the head bolts with?
  231. Bad Map on 91 Deville?
  232. 4.9 or northstar?? which has less problems??
  233. Amsoil test results
  234. 91 Seville Overheat
  235. Are Head Bolts T.t.y Or Not (conflicting Answers)???????
  236. Iron heads
  237. ??? ???E30 isc code??? ???
  238. Got rusty tubes?
  239. Squealing under hood when cold
  240. What is this?????
  241. Noise at EGR conditions
  242. '90 DeVille has high NOX at low speed, failed smog. Some help needed.
  243. exhaust ideas
  244. 1990 fleetwood won't run right - help
  245. 89 deville stumble/miss on acceleration
  246. Diagnostic Mode
  247. Curious Fuel Pump Behavior
  248. Cooling fan fault
  249. High Idle. ISC? Need Advice!!!!
  250. 92 STS Engine Trouble