: HT4100 4.1, 4.5, 4.9



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  1. Weird idea
  2. Engine miss
  3. Pulled a thread
  4. E12 - No Distributor Signal???
  5. computer interchange, '90 Seville?
  6. Where Can I get some chips......
  7. Oil leak source...?
  8. well, i did it but...
  9. HT4100 ECM/BCM Problem?!
  10. #$$%^%@#$% damn .....floods on hot restart
  11. can't flush out "rubber glue type" coolant additive... what to do?
  12. Transmission Shift cable
  13. HT4100 ISC Help
  14. 4t60-E going out
  15. Fuel Issues - Please Help!
  16. 4t60-E FDR and the computer
  17. Fixed my car! Need help on one more thing...
  18. What's wrong with my car? The mystery continues...
  19. When i go to replace the mains....
  20. 4t60-E Shudder?
  21. last year
  22. All 4.x engine service parts are discontinued?
  23. Does anybody have a spare 4.9?
  24. Knock, Knock, Knock, 4.9L
  25. Alright, i'm going in!! I need a few parts and info please.
  26. 90 4.5L Idle Learn Procedure?
  27. I have a slight problem,,, HT4100
  28. Fuel Pressure Test Fitting
  29. 1985 Seville code e15
  30. Cooling Fan Module--Where can I get one?
  31. Bars Leaks Head Gasket Repair
  32. Code E30 on 85 Deville and Vacuum Pumps
  33. Copper Gaskets?
  34. Battery/ALternator area cracking noise?
  35. Oil Analysis: Proof is in the results
  36. 1992 Eldo
  37. That Funky Emissions Tubing
  38. Hey Guys long time no chat, and long time not wanting to start either.
  39. The once a year survival kit for the 4.X series
  40. 4.9 runs rough black exhaust from tail pipe
  41. 1985 Seville harsh shifting tranny
  42. Odd brief buzzing noise from undercarriage
  43. i need a 4t60e guru; i am hating mine
  44. what is up with my car
  45. Early vs. Late 1985 FWD 4100
  46. Strange ISC
  47. 1994 cadillac deville engine knocks when warm
  48. 4.5 --> 4.9
  49. Getting ready for water pump removal
  50. 1988 Eldorado 4.5
  51. 1985 FWD HT4100 Running rough
  52. Question about spark plugs!
  53. TPS problem?
  54. 4100 Mpg
  55. 87 deville 4100 shift problems
  56. 1991 DeVille Speedometer/Transmission Trouble.
  57. Starter solenoid replacement
  58. 4.9 Injector Replacement Questions
  59. 92 STS error code A048 what does that mean?
  60. 1994 Deville 4.9 Idler pulleys
  61. Please Help!!! Rough running 4.9 , Help!!
  62. 1994 Deville 4.9 spark knock
  63. 85 Sedan Deville Stalls after 20 Miles
  64. 4.9 Potential? (Split from "4.9 to a 5.0?")
  65. 94 Deville 4.9 switching complete sending/fuel pumps
  66. 4.9 to a 5.0?
  67. Fan Runs all the time on 4.9, engine runs real cold
  68. AHHH HELP!!! Keep overheating
  69. 4.5 Vs. 4.9
  70. Fuel Mileage vs. Data Center
  71. 92 4.9 flat cam?
  72. Does twitchy tach mean misfire?
  73. ht 4100 Hesitation
  74. 1987 SDV 4.1 L V-8 Available
  75. 89 4.5 TPS installations
  76. 89 Fleetword code (30) ISC Circuit
  77. Boiling coolant, fans not running, ...
  78. no start after warm engine
  79. 1989 4.5 Idle Speed Motor
  80. 1989 Fleetwood Idle Speed Motor
  81. Valve Adjustment 4.9 Engine
  82. remaned 4.1/4.5 short block
  83. 4100 to LT1 swap 83 Coupe Deville
  84. Cylinder head removal
  85. Very poor MPG 1992 Deville ?? HELP!!??!!
  86. turn your 4.9 into a performance engine
  87. engine system fault E046
  88. Take a look at this.
  89. 4.9 exhaust manifold crack, common?
  90. 4.9 changes by year??
  91. 1994 Sedan deville 4.9L Stalls Well Driving Part 2
  92. what did i blow up? pics
  93. Just done the head gasket, think i may have messed it, help.
  94. 4.5 intake manifold on 87 4.1?
  95. 85 eldo ht4100 backfire, miss, stall
  96. Reman. Engine/Trans. What's the best company?
  97. 88 DeVille fan continues to run after I turn it off
  98. New Shell Rotella T with triple protection
  99. error codes
  100. '85 Seville 4.1L engine missing after tune-up.
  101. Help me! What is it?
  102. 93 DeVille Idle Problem
  103. 4.9 coolant flush and fill procedure!
  104. What do I need to know about the HT4100 Engine?
  105. Results of my Emissions Test
  106. Need help 91 Deville
  107. What should engine timing be when not in Timing Mode (25 degree BTDC?)
  108. Question having to do with the 4.9
  109. Simple rotor/distib cap question
  110. HT4100 85 Eldo. Header Issue
  111. Fuel Injector Replacement Tips
  112. clickinggg....
  113. No spark on '90 4.5 Seville
  114. computer accuracy
  115. Do I have to use a new A/C comp. or can I use a reman?
  116. 4.5 intake gasket replacement
  117. Life expectancy for 4.9 and 4T60E
  118. plug stuck in head
  119. Aluminum Heads?
  120. 2002 DeVille DTS maintenance
  121. ignition problems..
  122. Not a new problem
  123. I have a question, someone please explain.
  124. 91 Sedan Deville Gas Mileage ...
  125. 1990 deville hesitates
  126. Great, now I have MORE trouble codes!! E91 and E98
  127. 1994 Sedan deville 4.9L Stalls/dies well driving
  128. PCM Programming for 4.5L V8?
  129. Trouble Code E48 "EGR System Problem"....what exactly is it.
  130. 223-232f
  131. Trying to beat the heat....
  132. STP Fuel Injector Cleaner--it works!
  133. A starting we will go...
  134. 1990 deville 4.5 trouble code air management fault?
  135. 88 deville broke down need help
  136. ? easy way to remove 4.9 @ self serv yard?
  137. Sound like the egr to you guys?
  138. Trouble clearing codes
  139. 4.9 Bearing Thump--Who's Got It?
  140. When to replace O2 sensor?
  141. '92 deVille..surging, stuttering, stalling???
  142. 91 deville fuel injectors......
  143. motor rattle
  144. My car's 'puter done gone got brokeded (92 Eldo 4.9)
  145. 92 deville egr tubes ??
  146. 92' Deville Alternator/power Problem
  147. Changing TPS on 1993 Eldo 4.9
  148. O2S Help Please!
  149. Dead Cylinder - OH NOOOOOO!!!!
  150. A/C Hose Insulation Source
  151. Want your ISC problems solved? Look here...
  152. hmm, how do I get to that A/C compressor clutch?
  153. STOP ENGINE TEMP light problem.
  154. Brake light problem.
  155. Charge Battery Light On (No Codes) !!
  156. A Little help guys, please
  157. Green plug?
  158. How to check timing on an '85 Seville?
  159. No fuel pressure when ignition on, engine off
  160. 90 deville backfiring and running rough?
  161. 4.9 Eldorado Plugs/Wires install question
  162. Accel Wires
  163. Simple question
  164. 87 SDV E30 code
  165. 90 deville misfire
  166. Electrical problem + codes
  167. bad coolant leak: deville 4.5
  168. 1990 fleetwood won't run right - help
  169. 91 Deville 4.9 misses when hot outside
  170. 92 Deville throwing MAP codes, heats up and conks out.
  171. Cooling fans/AC problem
  172. Mufflers Bottom Line?
  173. 1993 Seville w/ 4.9L P041 Code
  174. HT4900 (4.9) Exhaust Manifold Interchangeability
  175. 94 Deville, odd noise and stalling now. Pics attached.
  176. Coolant Leak
  177. bad coolant leak: deville 4.5
  178. hesitation and backfire 4100
  179. 90 Coupe Deville engine problems
  180. 1990 deville hard stall on idle
  181. Cone Filter & Cold Air Intake
  182. Rough runing, missing?
  183. isc/driveability
  184. spudder of some sort
  185. 91 4.9 Runs Rich and Gas Mileage Question
  186. Hey Guys, Long time no chat, and need some input on a non input vss signal. Blew.....
  187. OLDS 350 swap
  188. 1984 eldo some new problems
  189. 4.9 EGR Removal???
  190. Recommended Spark Plugs
  191. 4.9 Running Rough...
  192. problem solved
  193. Changing Oil To Synthetic?
  194. 4.9 performance
  195. 4100 transmission
  196. Coolant System
  197. ECM says my MAT sensor is bad.
  198. Adjusting the timing
  199. PCM codes
  200. Deisel noise around 2000 rpm's
  201. Still having problems on 93 sedandeville
  202. Now im getting worried!
  203. 4100 Flowmaster 80 series VIDEOS
  204. First Car, 4.9 Eldorado. Performance Upgrades HELP? (car-noob)
  205. Cold Air Intake?
  206. 4.1 codes
  207. Helicoil vs Timesert on non N* (4.1, 4.5, 4.9)
  208. Cadillac 4.9 Head Gasket Photos
  209. Where to get Exhaust Manifold Studs
  210. Do your own oil changes.
  211. Ping Ping Go Away!!!
  212. F48
  213. 1985 Seville 4100
  214. Running fuel injector cleaner through your gas tank
  215. Cleaning the throttle body plates!
  216. Post your average MPG
  217. 1984 Throttle body need help, please.
  218. Why is my caddy over heating ?
  219. Poor mpg on 93 sedandeville
  220. Squeeking Noise!
  221. Rwd/fwd Ht4100
  222. TRANS ID'ing
  223. HT4100 Check In
  224. 15W40 delco with GM oil supplement
  225. Performance transmission rebuild...
  226. 4.5 L tranny bolt pattern
  227. isc motor re-learn
  228. 4.9 Extremely rough running issue
  229. Stripped Head Bolt Hole Where Do I Get Helicoil?
  230. engine swap 4100 to 305 chevy
  231. 1984 Cadillac - 4100 firing order and distributor rotation
  232. '92 Eldo Problems
  233. overheating, now power, 83 coupe deville ht4100
  234. Whats the brown stuff on my valves?
  235. Doing My 4.9 Head Gasket Looking for Advice on Parts
  236. ecm replacement
  237. Recommended sealant for water pump gasket on 91 deville
  238. What do i coat the head bolts with?
  239. Bad Map on 91 Deville?
  240. 4.9 or northstar?? which has less problems??
  241. Amsoil test results
  242. 91 Seville Overheat
  243. Are Head Bolts T.t.y Or Not (conflicting Answers)???????
  244. Iron heads
  245. ??? ???E30 isc code??? ???
  246. Got rusty tubes?
  247. Squealing under hood when cold
  248. What is this?????
  249. Noise at EGR conditions
  250. '90 DeVille has high NOX at low speed, failed smog. Some help needed.