: HT4100 4.1, 4.5, 4.9



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  1. 1985 deville 4.1 Injector fuse keeps blowing
  2. PCM override, PS10
  3. EGR solenoid, is it normal?
  4. Get a LARGER capacity, 3 row radiator?
  5. Smoky when at full throttle!
  6. What does the code F.8.5 mean?
  7. 87 fleetwood 4.1 three problems,advice please!
  8. Removed Distributor--Question Before I Restart
  9. Changed the oil pump, lifter still taps on occasion warmed up..
  10. 87 deville, E48, EGR system problem
  11. Additive for newly remaned 86 DeVille Trans??
  12. Is it possible for a 4.9 main bearing thump to get progressively worse?
  13. 1989 Sedandeville issues
  14. 15W-40 Oil .....
  15. Fuel
  16. 82 eldorado alternator bracket
  17. 85 Deville ISC Problem--Might Have the Answer
  18. Help me Please!!!
  19. Weird idea
  20. Engine miss
  21. Pulled a thread
  22. E12 - No Distributor Signal???
  23. computer interchange, '90 Seville?
  24. Where Can I get some chips......
  25. Oil leak source...?
  26. well, i did it but...
  27. HT4100 ECM/BCM Problem?!
  28. #$$%^%@#$% damn .....floods on hot restart
  29. can't flush out "rubber glue type" coolant additive... what to do?
  30. Transmission Shift cable
  31. HT4100 ISC Help
  32. 4t60-E going out
  33. Fuel Issues - Please Help!
  34. 4t60-E FDR and the computer
  35. Fixed my car! Need help on one more thing...
  36. What's wrong with my car? The mystery continues...
  37. When i go to replace the mains....
  38. 4t60-E Shudder?
  39. last year
  40. All 4.x engine service parts are discontinued?
  41. Does anybody have a spare 4.9?
  42. Knock, Knock, Knock, 4.9L
  43. Alright, i'm going in!! I need a few parts and info please.
  44. 90 4.5L Idle Learn Procedure?
  45. I have a slight problem,,, HT4100
  46. Fuel Pressure Test Fitting
  47. 1985 Seville code e15
  48. Cooling Fan Module--Where can I get one?
  49. Bars Leaks Head Gasket Repair
  50. Code E30 on 85 Deville and Vacuum Pumps
  51. Copper Gaskets?
  52. Battery/ALternator area cracking noise?
  53. Oil Analysis: Proof is in the results
  54. 1992 Eldo
  55. That Funky Emissions Tubing
  56. Hey Guys long time no chat, and long time not wanting to start either.
  57. The once a year survival kit for the 4.X series
  58. 4.9 runs rough black exhaust from tail pipe
  59. 1985 Seville harsh shifting tranny
  60. Odd brief buzzing noise from undercarriage
  61. i need a 4t60e guru; i am hating mine
  62. what is up with my car
  63. Early vs. Late 1985 FWD 4100
  64. Strange ISC
  65. 1994 cadillac deville engine knocks when warm
  66. 4.5 --> 4.9
  67. Getting ready for water pump removal
  68. 1988 Eldorado 4.5
  69. 1985 FWD HT4100 Running rough
  70. Question about spark plugs!
  71. TPS problem?
  72. 4100 Mpg
  73. 87 deville 4100 shift problems
  74. 1991 DeVille Speedometer/Transmission Trouble.
  75. Starter solenoid replacement
  76. 4.9 Injector Replacement Questions
  77. 92 STS error code A048 what does that mean?
  78. 1994 Deville 4.9 Idler pulleys
  79. Please Help!!! Rough running 4.9 , Help!!
  80. 1994 Deville 4.9 spark knock
  81. 85 Sedan Deville Stalls after 20 Miles
  82. 4.9 Potential? (Split from "4.9 to a 5.0?")
  83. 94 Deville 4.9 switching complete sending/fuel pumps
  84. 4.9 to a 5.0?
  85. Fan Runs all the time on 4.9, engine runs real cold
  86. AHHH HELP!!! Keep overheating
  87. 4.5 Vs. 4.9
  88. Fuel Mileage vs. Data Center
  89. 92 4.9 flat cam?
  90. Does twitchy tach mean misfire?
  91. ht 4100 Hesitation
  92. 1987 SDV 4.1 L V-8 Available
  93. 89 4.5 TPS installations
  94. 89 Fleetword code (30) ISC Circuit
  95. Boiling coolant, fans not running, ...
  96. no start after warm engine
  97. 1989 4.5 Idle Speed Motor
  98. 1989 Fleetwood Idle Speed Motor
  99. Valve Adjustment 4.9 Engine
  100. remaned 4.1/4.5 short block
  101. 4100 to LT1 swap 83 Coupe Deville
  102. Cylinder head removal
  103. Very poor MPG 1992 Deville ?? HELP!!??!!
  104. turn your 4.9 into a performance engine
  105. engine system fault E046
  106. Take a look at this.
  107. 4.9 exhaust manifold crack, common?
  108. 4.9 changes by year??
  109. 1994 Sedan deville 4.9L Stalls Well Driving Part 2
  110. what did i blow up? pics
  111. Just done the head gasket, think i may have messed it, help.
  112. 4.5 intake manifold on 87 4.1?
  113. 85 eldo ht4100 backfire, miss, stall
  114. Reman. Engine/Trans. What's the best company?
  115. 88 DeVille fan continues to run after I turn it off
  116. New Shell Rotella T with triple protection
  117. error codes
  118. '85 Seville 4.1L engine missing after tune-up.
  119. Help me! What is it?
  120. 93 DeVille Idle Problem
  121. 4.9 coolant flush and fill procedure!
  122. What do I need to know about the HT4100 Engine?
  123. Results of my Emissions Test
  124. Need help 91 Deville
  125. What should engine timing be when not in Timing Mode (25 degree BTDC?)
  126. Question having to do with the 4.9
  127. Simple rotor/distib cap question
  128. HT4100 85 Eldo. Header Issue
  129. Fuel Injector Replacement Tips
  130. clickinggg....
  131. No spark on '90 4.5 Seville
  132. computer accuracy
  133. Do I have to use a new A/C comp. or can I use a reman?
  134. 4.5 intake gasket replacement
  135. Life expectancy for 4.9 and 4T60E
  136. plug stuck in head
  137. Aluminum Heads?
  138. 2002 DeVille DTS maintenance
  139. ignition problems..
  140. Not a new problem
  141. I have a question, someone please explain.
  142. 91 Sedan Deville Gas Mileage ...
  143. 1990 deville hesitates
  144. Great, now I have MORE trouble codes!! E91 and E98
  145. 1994 Sedan deville 4.9L Stalls/dies well driving
  146. PCM Programming for 4.5L V8?
  147. Trouble Code E48 "EGR System Problem"....what exactly is it.
  148. 223-232f
  149. Trying to beat the heat....
  150. STP Fuel Injector Cleaner--it works!
  151. A starting we will go...
  152. 1990 deville 4.5 trouble code air management fault?
  153. 88 deville broke down need help
  154. ? easy way to remove 4.9 @ self serv yard?
  155. Sound like the egr to you guys?
  156. Trouble clearing codes
  157. 4.9 Bearing Thump--Who's Got It?
  158. When to replace O2 sensor?
  159. '92 deVille..surging, stuttering, stalling???
  160. 91 deville fuel injectors......
  161. motor rattle
  162. My car's 'puter done gone got brokeded (92 Eldo 4.9)
  163. 92 deville egr tubes ??
  164. 92' Deville Alternator/power Problem
  165. Changing TPS on 1993 Eldo 4.9
  166. O2S Help Please!
  167. Dead Cylinder - OH NOOOOOO!!!!
  168. A/C Hose Insulation Source
  169. Want your ISC problems solved? Look here...
  170. hmm, how do I get to that A/C compressor clutch?
  171. STOP ENGINE TEMP light problem.
  172. Brake light problem.
  173. Charge Battery Light On (No Codes) !!
  174. A Little help guys, please
  175. Green plug?
  176. How to check timing on an '85 Seville?
  177. No fuel pressure when ignition on, engine off
  178. 90 deville backfiring and running rough?
  179. 4.9 Eldorado Plugs/Wires install question
  180. Accel Wires
  181. Simple question
  182. 87 SDV E30 code
  183. 90 deville misfire
  184. Electrical problem + codes
  185. bad coolant leak: deville 4.5
  186. 1990 fleetwood won't run right - help
  187. 91 Deville 4.9 misses when hot outside
  188. 92 Deville throwing MAP codes, heats up and conks out.
  189. Cooling fans/AC problem
  190. Mufflers Bottom Line?
  191. 1993 Seville w/ 4.9L P041 Code
  192. HT4900 (4.9) Exhaust Manifold Interchangeability
  193. 94 Deville, odd noise and stalling now. Pics attached.
  194. Coolant Leak
  195. bad coolant leak: deville 4.5
  196. hesitation and backfire 4100
  197. 90 Coupe Deville engine problems
  198. 1990 deville hard stall on idle
  199. Cone Filter & Cold Air Intake
  200. Rough runing, missing?
  201. isc/driveability
  202. spudder of some sort
  203. 91 4.9 Runs Rich and Gas Mileage Question
  204. Hey Guys, Long time no chat, and need some input on a non input vss signal. Blew.....
  205. OLDS 350 swap
  206. 1984 eldo some new problems
  207. 4.9 EGR Removal???
  208. Recommended Spark Plugs
  209. 4.9 Running Rough...
  210. problem solved
  211. Changing Oil To Synthetic?
  212. 4.9 performance
  213. 4100 transmission
  214. Coolant System
  215. ECM says my MAT sensor is bad.
  216. Adjusting the timing
  217. PCM codes
  218. Deisel noise around 2000 rpm's
  219. Still having problems on 93 sedandeville
  220. Now im getting worried!
  221. 4100 Flowmaster 80 series VIDEOS
  222. First Car, 4.9 Eldorado. Performance Upgrades HELP? (car-noob)
  223. Cold Air Intake?
  224. 4.1 codes
  225. Helicoil vs Timesert on non N* (4.1, 4.5, 4.9)
  226. Cadillac 4.9 Head Gasket Photos
  227. Where to get Exhaust Manifold Studs
  228. Do your own oil changes.
  229. Ping Ping Go Away!!!
  230. F48
  231. 1985 Seville 4100
  232. Running fuel injector cleaner through your gas tank
  233. Cleaning the throttle body plates!
  234. Post your average MPG
  235. 1984 Throttle body need help, please.
  236. Why is my caddy over heating ?
  237. Poor mpg on 93 sedandeville
  238. Squeeking Noise!
  239. Rwd/fwd Ht4100
  240. TRANS ID'ing
  241. HT4100 Check In
  242. 15W40 delco with GM oil supplement
  243. Performance transmission rebuild...
  244. 4.5 L tranny bolt pattern
  245. isc motor re-learn
  246. 4.9 Extremely rough running issue
  247. Stripped Head Bolt Hole Where Do I Get Helicoil?
  248. engine swap 4100 to 305 chevy
  249. 1984 Cadillac - 4100 firing order and distributor rotation
  250. '92 Eldo Problems