: HT4100 4.1, 4.5, 4.9



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  1. Turbo 4.1 Allante
  2. radiator caps with zinc anode
  3. What a mess!!!
  4. High Side AC Hose Information Needed
  5. Squeeling betty
  6. 92 deville no acceleration when hot
  7. Where is the PCV valve on the 4.9L?
  8. Performance?
  9. 93 Seville 4.9 4t60E
  10. Vacuum Line Routing Egr Solenoid & Regulator
  11. Bad CTS?? (coolant senor)
  12. Name this tube! 90 DeVille
  13. 4.5 Fuel Injector Issues
  14. HT4100:major oil leak
  15. What engine/trans appear in various Cadillacs?
  16. FWD Engine Removal
  17. Coolant Change Question
  18. Stripped4.9 headbolt
  19. Fooling the Inlet Air Temp (IAT) sensor?
  20. exhaust manifold installation question
  21. PCM FI Driver Damage ? (Re-visited)
  22. 4.9L Main Bearing Thump
  23. 1993 4.9 rough at low RPM
  24. ht4100 issues
  25. PCM FI Driver Damage ?
  26. DeVille 4.9 Throttle body spacer
  27. Throttle body spacer
  28. Hot exhaust
  29. E24?
  30. 4.9 Water Pump....OR ?
  31. Stalling and Surging--Need help
  32. Relocate the oil filter on your 4.9
  33. SSS light on?
  34. 1985 Eldorado Engine Stumble & Surge
  35. won't go in gear
  36. used oil cooler lines?
  37. Chirping engine at idle
  38. 1993 Deville 4.9 sumble at iddle.
  39. Coolant "tabs" -- yes or no
  40. '90 DeVille Fuel Sending Unit Problem??
  41. Where to install Prestone flush fitting?
  42. 95 Deville AC compressor noisy
  43. 368 to 4.1 swap 1980 Fleetwood Brougham
  44. Procedure for flushing the cooling system (1990 4.5)
  45. F40 & F49 ?'s
  46. ISC part#
  47. I got a GREAT deal, I think!
  48. I wanna drive my Cadi
  49. Coolant Fan Problems
  50. Fuel injector problem
  51. 95 4.9 deville no spark???
  52. Current drain
  53. radiator/cooling system suggestions
  54. Stump the experts!
  55. no spark
  56. Why Do Some 4.x Engines get 26+MPG, Others <18 MPG Highway
  57. 1991 Cadillac Deville Runs Rough Weak Spark HELP
  58. Thermostatic Air Cleaner (THERMAC) location?
  59. Set timing mode problem!!!!! Please help!
  60. possible to fix myself?
  61. Best strut/axle solution for a '90 DeVille?
  62. 4.1 engine knock
  63. 1995 Deville 4.9 lower cooling hose question
  64. HT4100 Noise Just Started Today
  65. 1989 Seville fan comes cycles on and off when ignition is off
  66. 2000 Seville misfire. new to cadillac
  67. 1995 4.9 Misfiring at WOT
  68. Thermac?
  69. How long will a 4.5 DeVille last?
  70. Intermittent starting.
  71. 92 Deville 4.9 governed?
  72. ISC trouble! Help!
  73. need some help with my new pita
  74. EGR problem or ????
  75. Where is the Cruise control's fuse
  76. 95 devile ignition coil install help!!!
  77. would this work as a replacement for the 4.9L transmission fluid cooler?
  78. 1990 fleetwood code troubles please help!!
  79. What's the difference between ignition modules?
  80. Very strange engine problem 4.9L =HELP=
  81. 92 Deville 4.9 miss at idle
  82. 92 Deville blown headgasket or intake manifold?
  83. 1995 devile "service engine soon" light comes out , need help
  84. 91 Sedan DeVille Stall
  85. 1985 DeVille allternator wire (brown)
  86. 88 DeVille ELC not functioning
  87. 1988 DeVille Motor Mount Help
  88. heater hoses, any tips how to get these out?
  89. strut/axle/transmisiion problem
  90. Power Steering Woes
  91. flushing radiator fluid
  92. Break Release?
  93. '83 Eldorado with HT4100 V8, Rebuild or Replace?
  94. 89 coup deville coolant leak
  95. removeing crankshaft pulley bolt
  96. Back to my coolant flow problems
  97. help needed "no charge" light 83 eldorado 4.1
  98. Quick, Simple Question.
  99. 84 coupeD 4.1
  100. Engine Compartment Diagram Needed
  101. Re-install distributor
  102. Where to get a water pump pulley
  103. Don't deal with Remanufactured.com
  104. 1982 Cadillac Fleetwood. Code 52 PCM Reset. Dead Alternator. And my friends screw up.
  105. Vacuum on 4.5 Seville
  106. Alternator Bracket for Eldorado '85
  107. Different 4.1s?
  108. 91 Sedan Deville 4.9L CAR WON'T START
  109. 1992 Cadillac DeVille FOR SALE!!!!
  110. Fuel Injector 4.5
  111. 91 seville suspension dryer
  112. Voltage discrepancies
  113. Best way to clean out dead gas residue in tank?
  114. 4.9 map sensor problem?
  115. '91 Fleetwood Coupe has demons under the hood
  116. Replaced Head Gasket
  117. Looking for online source for TVS Switch for 85 HT4100
  118. I plan to make more of an appearance here...
  119. 93 4.9 motor
  120. intake manifold insides
  121. ISC pricing?
  122. coolant leak (pics)
  123. 91 seville heater control valve?
  124. 4.1 swap
  125. replacement valve covers
  126. 1992 DeVille Tune Up
  127. surging, only when warm
  128. 91 seville 4.9l owners manual
  129. Won't start. E12 .
  130. 4.9 wont stay running/wont start
  131. Anybody have a 91 seville 4.9l
  132. 1990 deville won't stay running
  133. 4.9L Spark Knock
  134. seperating engine and transmission
  135. 4.1 to Olds 403 swap
  136. 1994 cadillac sedan deville 4.9l please help!!
  137. ISC plunger question
  138. weird noise then belt pops off
  139. 91 seville 4.9 wheels?
  140. Service soon - refer to owners manual
  141. 91 seville trunk pull-down motor
  142. My engine build up
  143. PO39 and IO39 codes
  144. Car will not start-Distributor
  145. wats the MAP sensor
  146. high side temperature sensor circuit
  147. wats history after a code mean and how do i refesh list
  148. 92 deville wont start
  149. unbolting torque converter from flexplate
  150. Cracked head or head gasket
  151. 1983 4.1 Vs. 1985 4.1
  152. Another Anti Freeze question
  153. New problem
  154. Mixed up spark plug wire chaos!!!!!
  155. 91 seville 4.9 fan problems
  156. 94 Deville 4.9L
  157. 94 Cadillac SLS Idle Probelms
  158. Where to purchase a new ISC motor?
  159. Relay
  160. Question
  161. Head Bolt Torque Specifications?
  162. gasket question
  163. How hard it is to remove intake manifold???
  164. Diagram
  165. Real problem
  166. Extra HP & Torque
  167. How to adjust ISC
  168. replaced waterpump
  169. "Sail on" after cleaning throttle body
  170. Exhaust Gas in Radiator
  171. 2003 dhs trouble code p0300
  172. Cadillac trouble
  173. Cadillac trouble
  174. 1994 Deville leaking coolant
  175. 83 4.1 misfiring bad when running cold at constant speed
  176. Engine (4.1) won't start, stumbling when starting
  177. Dipstick doesn't match crankcase oil level
  178. The end is near? The end is here?
  179. Changing the FDR: What do I need?
  180. loss of hp?
  181. 93 eldo 4.9 overheating
  182. 93 exhaust question
  183. Prolly a dumb question:
  184. New Distributor Help
  185. water drowning out 84 caddy
  186. is it my spark plugs?
  187. Finally....Start-Up
  188. New problem: racing after cold startups now
  189. Common 4.1L Problems
  190. 91 deville surging idle
  191. '85 Fleetwood FWD 140K+ Miles! Hose questions
  192. Still got a miss at times
  193. Distributor won't drop.....
  194. '94 Sedan Deville, Parting out...Complete car
  195. 4.5 mess
  196. 4.9 intake gaskets
  197. Vacuum tube replacement
  198. Changing belts on 84 deville
  199. Coolant leak from WP cover
  200. Distributor Compatiblity 4.9 into a 4.5?
  201. Heater Core Removal 83 Eldorado
  202. 91 deville needs head gasket
  203. Sluggish acceleration
  204. 93 Eldorado clunking under load
  205. 4.1 just cuts out then comes back
  206. Oil pan gasket: Is it worth it?
  207. 4x engine as boat power?
  208. Cat converter exhaust flange
  209. Cooling system sealant
  210. 1983 4.1, 6 mpg in town driving ????
  211. 4.9 Headgasket ?
  212. E13, e44
  213. Help w/ Temp Fan Light on '85 Deville
  214. 15w-40 too heavy for a 61k mile 4.5?
  215. Operating temp: Whats the norm?
  216. The Last Stretch:Tranny Mods.
  217. timing marks
  218. Distributor Wiring Harness Compatability?
  219. Going from conventional to Synthetic - Good or bad?
  220. E46 code
  221. E98?
  222. 4.9 Lifespan?
  223. Return Line Pressure?
  224. 92 seville 4.9L engine problem
  225. alternator question
  226. Odd "Cold" Idle
  227. Rotten 4.1 do they just normally overheat ???
  228. Starter Change
  229. 83 Eldorado No power to HVAC controls or Mileage calculator
  230. Cam position sensor replacement
  231. A.L.D.L connector, setting timing
  232. The 93 SDV is dead!
  233. 1989 Seville Transmission shifts - Vac Modulator?
  234. thinking about 1994 Sedan deville
  235. Will there be a mess
  236. 1990 Eldorado runs ruff
  237. The 6 flexplate to crankshaft bolts
  238. Coolant
  239. Well, found one of my oil leaks...
  240. 92 Deville Shuts of suddenly
  241. Exhaust manifold gasket set
  242. Fuel Pump Cheat?
  243. 1995 Devile 4.9 Oil Leak
  244. Found my oil-leak
  245. Check this guy out: 91 Seville with 'questionable' mods
  246. Hose substution
  247. Thermostat
  248. Which of these?
  249. New Performance 4.9 Injector Mod. and Adjustable Fuel Pressure Regulator
  250. 1994 Cadillac Deville High Idle