: HT4100 4.1, 4.5, 4.9



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