: HT4100 4.1, 4.5, 4.9



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  1. 95 4.9 deville no spark???
  2. Current drain
  3. radiator/cooling system suggestions
  4. Stump the experts!
  5. no spark
  6. Why Do Some 4.x Engines get 26+MPG, Others <18 MPG Highway
  7. 1991 Cadillac Deville Runs Rough Weak Spark HELP
  8. Thermostatic Air Cleaner (THERMAC) location?
  9. Set timing mode problem!!!!! Please help!
  10. possible to fix myself?
  11. Best strut/axle solution for a '90 DeVille?
  12. 4.1 engine knock
  13. 1995 Deville 4.9 lower cooling hose question
  14. HT4100 Noise Just Started Today
  15. 1989 Seville fan comes cycles on and off when ignition is off
  16. 2000 Seville misfire. new to cadillac
  17. 1995 4.9 Misfiring at WOT
  18. Thermac?
  19. How long will a 4.5 DeVille last?
  20. Intermittent starting.
  21. 92 Deville 4.9 governed?
  22. ISC trouble! Help!
  23. need some help with my new pita
  24. EGR problem or ????
  25. Where is the Cruise control's fuse
  26. 95 devile ignition coil install help!!!
  27. would this work as a replacement for the 4.9L transmission fluid cooler?
  28. 1990 fleetwood code troubles please help!!
  29. What's the difference between ignition modules?
  30. Very strange engine problem 4.9L =HELP=
  31. 92 Deville 4.9 miss at idle
  32. 92 Deville blown headgasket or intake manifold?
  33. 1995 devile "service engine soon" light comes out , need help
  34. 91 Sedan DeVille Stall
  35. 1985 DeVille allternator wire (brown)
  36. 88 DeVille ELC not functioning
  37. 1988 DeVille Motor Mount Help
  38. heater hoses, any tips how to get these out?
  39. strut/axle/transmisiion problem
  40. Power Steering Woes
  41. flushing radiator fluid
  42. Break Release?
  43. '83 Eldorado with HT4100 V8, Rebuild or Replace?
  44. 89 coup deville coolant leak
  45. removeing crankshaft pulley bolt
  46. Back to my coolant flow problems
  47. help needed "no charge" light 83 eldorado 4.1
  48. Quick, Simple Question.
  49. 84 coupeD 4.1
  50. Engine Compartment Diagram Needed
  51. Re-install distributor
  52. Where to get a water pump pulley
  53. Don't deal with Remanufactured.com
  54. 1982 Cadillac Fleetwood. Code 52 PCM Reset. Dead Alternator. And my friends screw up.
  55. Vacuum on 4.5 Seville
  56. Alternator Bracket for Eldorado '85
  57. Different 4.1s?
  58. 91 Sedan Deville 4.9L CAR WON'T START
  59. 1992 Cadillac DeVille FOR SALE!!!!
  60. Fuel Injector 4.5
  61. 91 seville suspension dryer
  62. Voltage discrepancies
  63. Best way to clean out dead gas residue in tank?
  64. 4.9 map sensor problem?
  65. '91 Fleetwood Coupe has demons under the hood
  66. Replaced Head Gasket
  67. Looking for online source for TVS Switch for 85 HT4100
  68. I plan to make more of an appearance here...
  69. 93 4.9 motor
  70. intake manifold insides
  71. ISC pricing?
  72. coolant leak (pics)
  73. 91 seville heater control valve?
  74. 4.1 swap
  75. replacement valve covers
  76. 1992 DeVille Tune Up
  77. surging, only when warm
  78. 91 seville 4.9l owners manual
  79. Won't start. E12 .
  80. 4.9 wont stay running/wont start
  81. Anybody have a 91 seville 4.9l
  82. 1990 deville won't stay running
  83. 4.9L Spark Knock
  84. seperating engine and transmission
  85. 4.1 to Olds 403 swap
  86. 1994 cadillac sedan deville 4.9l please help!!
  87. ISC plunger question
  88. weird noise then belt pops off
  89. 91 seville 4.9 wheels?
  90. Service soon - refer to owners manual
  91. 91 seville trunk pull-down motor
  92. My engine build up
  93. PO39 and IO39 codes
  94. Car will not start-Distributor
  95. wats the MAP sensor
  96. high side temperature sensor circuit
  97. wats history after a code mean and how do i refesh list
  98. 92 deville wont start
  99. unbolting torque converter from flexplate
  100. Cracked head or head gasket
  101. 1983 4.1 Vs. 1985 4.1
  102. Another Anti Freeze question
  103. New problem
  104. Mixed up spark plug wire chaos!!!!!
  105. 91 seville 4.9 fan problems
  106. 94 Deville 4.9L
  107. 94 Cadillac SLS Idle Probelms
  108. Where to purchase a new ISC motor?
  109. Relay
  110. Question
  111. Head Bolt Torque Specifications?
  112. gasket question
  113. How hard it is to remove intake manifold???
  114. Diagram
  115. Real problem
  116. Extra HP & Torque
  117. How to adjust ISC
  118. replaced waterpump
  119. "Sail on" after cleaning throttle body
  120. Exhaust Gas in Radiator
  121. 2003 dhs trouble code p0300
  122. Cadillac trouble
  123. Cadillac trouble
  124. 1994 Deville leaking coolant
  125. 83 4.1 misfiring bad when running cold at constant speed
  126. Engine (4.1) won't start, stumbling when starting
  127. Dipstick doesn't match crankcase oil level
  128. The end is near? The end is here?
  129. Changing the FDR: What do I need?
  130. loss of hp?
  131. 93 eldo 4.9 overheating
  132. 93 exhaust question
  133. Prolly a dumb question:
  134. New Distributor Help
  135. water drowning out 84 caddy
  136. is it my spark plugs?
  137. Finally....Start-Up
  138. New problem: racing after cold startups now
  139. Common 4.1L Problems
  140. 91 deville surging idle
  141. '85 Fleetwood FWD 140K+ Miles! Hose questions
  142. Still got a miss at times
  143. Distributor won't drop.....
  144. '94 Sedan Deville, Parting out...Complete car
  145. 4.5 mess
  146. 4.9 intake gaskets
  147. Vacuum tube replacement
  148. Changing belts on 84 deville
  149. Coolant leak from WP cover
  150. Distributor Compatiblity 4.9 into a 4.5?
  151. Heater Core Removal 83 Eldorado
  152. 91 deville needs head gasket
  153. Sluggish acceleration
  154. 93 Eldorado clunking under load
  155. 4.1 just cuts out then comes back
  156. Oil pan gasket: Is it worth it?
  157. 4x engine as boat power?
  158. Cat converter exhaust flange
  159. Cooling system sealant
  160. 1983 4.1, 6 mpg in town driving ????
  161. 4.9 Headgasket ?
  162. E13, e44
  163. Help w/ Temp Fan Light on '85 Deville
  164. 15w-40 too heavy for a 61k mile 4.5?
  165. Operating temp: Whats the norm?
  166. The Last Stretch:Tranny Mods.
  167. timing marks
  168. Distributor Wiring Harness Compatability?
  169. Going from conventional to Synthetic - Good or bad?
  170. E46 code
  171. E98?
  172. 4.9 Lifespan?
  173. Return Line Pressure?
  174. 92 seville 4.9L engine problem
  175. alternator question
  176. Odd "Cold" Idle
  177. Rotten 4.1 do they just normally overheat ???
  178. Starter Change
  179. 83 Eldorado No power to HVAC controls or Mileage calculator
  180. Cam position sensor replacement
  181. A.L.D.L connector, setting timing
  182. The 93 SDV is dead!
  183. 1989 Seville Transmission shifts - Vac Modulator?
  184. thinking about 1994 Sedan deville
  185. Will there be a mess
  186. 1990 Eldorado runs ruff
  187. The 6 flexplate to crankshaft bolts
  188. Coolant
  189. Well, found one of my oil leaks...
  190. 92 Deville Shuts of suddenly
  191. Exhaust manifold gasket set
  192. Fuel Pump Cheat?
  193. 1995 Devile 4.9 Oil Leak
  194. Found my oil-leak
  195. Check this guy out: 91 Seville with 'questionable' mods
  196. Hose substution
  197. Thermostat
  198. Which of these?
  199. New Performance 4.9 Injector Mod. and Adjustable Fuel Pressure Regulator
  200. 1994 Cadillac Deville High Idle
  201. 91 deville, dead miss
  202. heater controls 92 eldo.
  203. How many tablets or bars leak?
  204. Distributor Help
  205. Proper Spark Plug Gap for 4.5
  206. 1990 Deville 4.5 help
  207. Yes, I Did It
  208. Harmonic Balance
  209. ECM Swap! PASSkey Question...
  210. Accel Performance Ignition Module: Real or B/S?
  211. 4100 engine temperature
  212. '90 4.5 No Cam Sensor Reference Signal Journey Through Hell!
  213. Ongoing Issues, running rough poor idle
  214. Trans cooler flush
  215. screw the whole thing - i hate the 4100... swap ideas?
  216. oil sender location - 4.1
  217. code po23??? Any thoughts
  218. 4.9 exhaust info
  219. Throttle valve cable '85
  220. oil pressure light came on - towed home
  221. clackin noise 4.9 deville
  222. Oil-leak solved!
  223. WOW this is a 4.9
  224. PO48 Current/ EGR Fault
  225. Oil Pressure
  226. E98 code on 4.5
  227. ...the HG gremlin got me
  228. Help identify 4.9 engine noise (video included)
  229. Head Gasket 91 caddy
  230. Once again......no joy
  231. BCM Location?
  232. Oil-tube gasket & o-ring
  233. 84 cdv 4100
  234. Question on oil leak - 1989 Seville
  235. No Joy....
  236. RTV on Oil-Pan gasket
  237. Block number?
  238. One problem fixed another shows up. Starter
  239. 4.9 Software
  240. How do I bypass PASKEY
  241. Rough running, bad mileage, unstable idle
  242. Trouble Starting When Warm
  243. Clattering noise from engine front area
  244. What is this hose called???
  245. 83 Eldorado 4.1 auto OD Trans Model # Please
  246. 1986 deville 4.1L
  247. Sedan Deville 4.1 to 4.5 Disaster Swap “This time I got right” part 2
  248. 89 Seville ignition switch click - VATS?
  249. Which a/c compressor to buy for round 4...advice please
  250. Carnut, got it to work, Thanks !