: HT4100 4.1, 4.5, 4.9



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  1. E24?
  2. 4.9 Water Pump....OR ?
  3. Stalling and Surging--Need help
  4. Relocate the oil filter on your 4.9
  5. SSS light on?
  6. 1985 Eldorado Engine Stumble & Surge
  7. won't go in gear
  8. used oil cooler lines?
  9. Chirping engine at idle
  10. 1993 Deville 4.9 sumble at iddle.
  11. Coolant "tabs" -- yes or no
  12. '90 DeVille Fuel Sending Unit Problem??
  13. Where to install Prestone flush fitting?
  14. 95 Deville AC compressor noisy
  15. 368 to 4.1 swap 1980 Fleetwood Brougham
  16. Procedure for flushing the cooling system (1990 4.5)
  17. F40 & F49 ?'s
  18. ISC part#
  19. I got a GREAT deal, I think!
  20. I wanna drive my Cadi
  21. Coolant Fan Problems
  22. Fuel injector problem
  23. 95 4.9 deville no spark???
  24. Current drain
  25. radiator/cooling system suggestions
  26. Stump the experts!
  27. no spark
  28. Why Do Some 4.x Engines get 26+MPG, Others <18 MPG Highway
  29. 1991 Cadillac Deville Runs Rough Weak Spark HELP
  30. Thermostatic Air Cleaner (THERMAC) location?
  31. Set timing mode problem!!!!! Please help!
  32. possible to fix myself?
  33. Best strut/axle solution for a '90 DeVille?
  34. 4.1 engine knock
  35. 1995 Deville 4.9 lower cooling hose question
  36. HT4100 Noise Just Started Today
  37. 1989 Seville fan comes cycles on and off when ignition is off
  38. 2000 Seville misfire. new to cadillac
  39. 1995 4.9 Misfiring at WOT
  40. Thermac?
  41. How long will a 4.5 DeVille last?
  42. Intermittent starting.
  43. 92 Deville 4.9 governed?
  44. ISC trouble! Help!
  45. need some help with my new pita
  46. EGR problem or ????
  47. Where is the Cruise control's fuse
  48. 95 devile ignition coil install help!!!
  49. would this work as a replacement for the 4.9L transmission fluid cooler?
  50. 1990 fleetwood code troubles please help!!
  51. What's the difference between ignition modules?
  52. Very strange engine problem 4.9L =HELP=
  53. 92 Deville 4.9 miss at idle
  54. 92 Deville blown headgasket or intake manifold?
  55. 1995 devile "service engine soon" light comes out , need help
  56. 91 Sedan DeVille Stall
  57. 1985 DeVille allternator wire (brown)
  58. 88 DeVille ELC not functioning
  59. 1988 DeVille Motor Mount Help
  60. heater hoses, any tips how to get these out?
  61. strut/axle/transmisiion problem
  62. Power Steering Woes
  63. flushing radiator fluid
  64. Break Release?
  65. '83 Eldorado with HT4100 V8, Rebuild or Replace?
  66. 89 coup deville coolant leak
  67. removeing crankshaft pulley bolt
  68. Back to my coolant flow problems
  69. help needed "no charge" light 83 eldorado 4.1
  70. Quick, Simple Question.
  71. 84 coupeD 4.1
  72. Engine Compartment Diagram Needed
  73. Re-install distributor
  74. Where to get a water pump pulley
  75. Don't deal with Remanufactured.com
  76. 1982 Cadillac Fleetwood. Code 52 PCM Reset. Dead Alternator. And my friends screw up.
  77. Vacuum on 4.5 Seville
  78. Alternator Bracket for Eldorado '85
  79. Different 4.1s?
  80. 91 Sedan Deville 4.9L CAR WON'T START
  81. 1992 Cadillac DeVille FOR SALE!!!!
  82. Fuel Injector 4.5
  83. 91 seville suspension dryer
  84. Voltage discrepancies
  85. Best way to clean out dead gas residue in tank?
  86. 4.9 map sensor problem?
  87. '91 Fleetwood Coupe has demons under the hood
  88. Replaced Head Gasket
  89. Looking for online source for TVS Switch for 85 HT4100
  90. I plan to make more of an appearance here...
  91. 93 4.9 motor
  92. intake manifold insides
  93. ISC pricing?
  94. coolant leak (pics)
  95. 91 seville heater control valve?
  96. 4.1 swap
  97. replacement valve covers
  98. 1992 DeVille Tune Up
  99. surging, only when warm
  100. 91 seville 4.9l owners manual
  101. Won't start. E12 .
  102. 4.9 wont stay running/wont start
  103. Anybody have a 91 seville 4.9l
  104. 1990 deville won't stay running
  105. 4.9L Spark Knock
  106. seperating engine and transmission
  107. 4.1 to Olds 403 swap
  108. 1994 cadillac sedan deville 4.9l please help!!
  109. ISC plunger question
  110. weird noise then belt pops off
  111. 91 seville 4.9 wheels?
  112. Service soon - refer to owners manual
  113. 91 seville trunk pull-down motor
  114. My engine build up
  115. PO39 and IO39 codes
  116. Car will not start-Distributor
  117. wats the MAP sensor
  118. high side temperature sensor circuit
  119. wats history after a code mean and how do i refesh list
  120. 92 deville wont start
  121. unbolting torque converter from flexplate
  122. Cracked head or head gasket
  123. 1983 4.1 Vs. 1985 4.1
  124. Another Anti Freeze question
  125. New problem
  126. Mixed up spark plug wire chaos!!!!!
  127. 91 seville 4.9 fan problems
  128. 94 Deville 4.9L
  129. 94 Cadillac SLS Idle Probelms
  130. Where to purchase a new ISC motor?
  131. Relay
  132. Question
  133. Head Bolt Torque Specifications?
  134. gasket question
  135. How hard it is to remove intake manifold???
  136. Diagram
  137. Real problem
  138. Extra HP & Torque
  139. How to adjust ISC
  140. replaced waterpump
  141. "Sail on" after cleaning throttle body
  142. Exhaust Gas in Radiator
  143. 2003 dhs trouble code p0300
  144. Cadillac trouble
  145. Cadillac trouble
  146. 1994 Deville leaking coolant
  147. 83 4.1 misfiring bad when running cold at constant speed
  148. Engine (4.1) won't start, stumbling when starting
  149. Dipstick doesn't match crankcase oil level
  150. The end is near? The end is here?
  151. Changing the FDR: What do I need?
  152. loss of hp?
  153. 93 eldo 4.9 overheating
  154. 93 exhaust question
  155. Prolly a dumb question:
  156. New Distributor Help
  157. water drowning out 84 caddy
  158. is it my spark plugs?
  159. Finally....Start-Up
  160. New problem: racing after cold startups now
  161. Common 4.1L Problems
  162. 91 deville surging idle
  163. '85 Fleetwood FWD 140K+ Miles! Hose questions
  164. Still got a miss at times
  165. Distributor won't drop.....
  166. '94 Sedan Deville, Parting out...Complete car
  167. 4.5 mess
  168. 4.9 intake gaskets
  169. Vacuum tube replacement
  170. Changing belts on 84 deville
  171. Coolant leak from WP cover
  172. Distributor Compatiblity 4.9 into a 4.5?
  173. Heater Core Removal 83 Eldorado
  174. 91 deville needs head gasket
  175. Sluggish acceleration
  176. 93 Eldorado clunking under load
  177. 4.1 just cuts out then comes back
  178. Oil pan gasket: Is it worth it?
  179. 4x engine as boat power?
  180. Cat converter exhaust flange
  181. Cooling system sealant
  182. 1983 4.1, 6 mpg in town driving ????
  183. 4.9 Headgasket ?
  184. E13, e44
  185. Help w/ Temp Fan Light on '85 Deville
  186. 15w-40 too heavy for a 61k mile 4.5?
  187. Operating temp: Whats the norm?
  188. The Last Stretch:Tranny Mods.
  189. timing marks
  190. Distributor Wiring Harness Compatability?
  191. Going from conventional to Synthetic - Good or bad?
  192. E46 code
  193. E98?
  194. 4.9 Lifespan?
  195. Return Line Pressure?
  196. 92 seville 4.9L engine problem
  197. alternator question
  198. Odd "Cold" Idle
  199. Rotten 4.1 do they just normally overheat ???
  200. Starter Change
  201. 83 Eldorado No power to HVAC controls or Mileage calculator
  202. Cam position sensor replacement
  203. A.L.D.L connector, setting timing
  204. The 93 SDV is dead!
  205. 1989 Seville Transmission shifts - Vac Modulator?
  206. thinking about 1994 Sedan deville
  207. Will there be a mess
  208. 1990 Eldorado runs ruff
  209. The 6 flexplate to crankshaft bolts
  210. Coolant
  211. Well, found one of my oil leaks...
  212. 92 Deville Shuts of suddenly
  213. Exhaust manifold gasket set
  214. Fuel Pump Cheat?
  215. 1995 Devile 4.9 Oil Leak
  216. Found my oil-leak
  217. Check this guy out: 91 Seville with 'questionable' mods
  218. Hose substution
  219. Thermostat
  220. Which of these?
  221. New Performance 4.9 Injector Mod. and Adjustable Fuel Pressure Regulator
  222. 1994 Cadillac Deville High Idle
  223. 91 deville, dead miss
  224. heater controls 92 eldo.
  225. How many tablets or bars leak?
  226. Distributor Help
  227. Proper Spark Plug Gap for 4.5
  228. 1990 Deville 4.5 help
  229. Yes, I Did It
  230. Harmonic Balance
  231. ECM Swap! PASSkey Question...
  232. Accel Performance Ignition Module: Real or B/S?
  233. 4100 engine temperature
  234. '90 4.5 No Cam Sensor Reference Signal Journey Through Hell!
  235. Ongoing Issues, running rough poor idle
  236. Trans cooler flush
  237. screw the whole thing - i hate the 4100... swap ideas?
  238. oil sender location - 4.1
  239. code po23??? Any thoughts
  240. 4.9 exhaust info
  241. Throttle valve cable '85
  242. oil pressure light came on - towed home
  243. clackin noise 4.9 deville
  244. Oil-leak solved!
  245. WOW this is a 4.9
  246. PO48 Current/ EGR Fault
  247. Oil Pressure
  248. E98 code on 4.5
  249. ...the HG gremlin got me
  250. Help identify 4.9 engine noise (video included)