: HT4100 4.1, 4.5, 4.9



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  1. How to check cat. converter?
  2. 94 Deville 4.9 where is the governor
  3. 92 Eldo problem
  4. Cruise control gone 4.1 87'seville
  5. 94 Sedan Deville A/C Question
  6. fuel injectors interchange?
  7. ht4100 giving me problems
  8. 4.1L tune up and oil on manifold.
  9. Need help on a '90 Cadillac Fleetwood FWD
  10. 91 deville service engine soon
  11. DIN radio in '92 Eldorado
  12. Your best 4.X MPG?
  13. 1991 4.9
  14. 90 SDV Repeated E22 TPS Code
  15. silly question
  16. you helped me last time (weird fuel pump)
  17. 90 SDV Repeated E22 TPS Code
  18. 4100 engine change. Need input.
  19. egnine oil cooler hose assemblies
  20. 92 4.9 starter replacement
  21. How many miles?
  22. water pump wrestling
  23. Head gasket change
  24. Error code 34 on 83 deville
  25. Advanced Timing
  26. gearbox oil..?
  27. Is gas safe
  28. Using a laptop for real-time OBD
  29. '94 4.9 rough running
  30. 4.9 litre engine firing order
  31. 1986 Eldorado HT4100: No Start-No Codes
  32. 1986 Eldorado HT4100
  33. '91 Deville 4.9L surging
  34. 94 4.9L will not start. Need help
  35. Idling Down rough?
  36. 86 Eldorado Fuel Pump
  37. 91 fleewood won't start code31
  38. Did I blow head gasket on 93 deville?? Please Help!
  39. Vaccum Line Problem?
  40. Replacing a blower motor - what's the secret?
  41. oil pump driveshaft is loose???
  42. 1984 Cadillac Eldorado (my topless baby)
  43. Hard starts when hot?
  44. oil pressure gauge installation
  45. couple of questions regarding oil pump
  46. HT4100 Cooling water doesn't circulate (87' Seville)
  47. removing oil pan on RWD 4.1
  48. Turbo 4.1 Allante
  49. radiator caps with zinc anode
  50. What a mess!!!
  51. High Side AC Hose Information Needed
  52. Squeeling betty
  53. 92 deville no acceleration when hot
  54. Where is the PCV valve on the 4.9L?
  55. Performance?
  56. 93 Seville 4.9 4t60E
  57. Vacuum Line Routing Egr Solenoid & Regulator
  58. Bad CTS?? (coolant senor)
  59. Name this tube! 90 DeVille
  60. 4.5 Fuel Injector Issues
  61. HT4100:major oil leak
  62. What engine/trans appear in various Cadillacs?
  63. FWD Engine Removal
  64. Coolant Change Question
  65. Stripped4.9 headbolt
  66. Fooling the Inlet Air Temp (IAT) sensor?
  67. exhaust manifold installation question
  68. PCM FI Driver Damage ? (Re-visited)
  69. 4.9L Main Bearing Thump
  70. 1993 4.9 rough at low RPM
  71. ht4100 issues
  72. PCM FI Driver Damage ?
  73. DeVille 4.9 Throttle body spacer
  74. Throttle body spacer
  75. Hot exhaust
  76. E24?
  77. 4.9 Water Pump....OR ?
  78. Stalling and Surging--Need help
  79. Relocate the oil filter on your 4.9
  80. SSS light on?
  81. 1985 Eldorado Engine Stumble & Surge
  82. won't go in gear
  83. used oil cooler lines?
  84. Chirping engine at idle
  85. 1993 Deville 4.9 sumble at iddle.
  86. Coolant "tabs" -- yes or no
  87. '90 DeVille Fuel Sending Unit Problem??
  88. Where to install Prestone flush fitting?
  89. 95 Deville AC compressor noisy
  90. 368 to 4.1 swap 1980 Fleetwood Brougham
  91. Procedure for flushing the cooling system (1990 4.5)
  92. F40 & F49 ?'s
  93. ISC part#
  94. I got a GREAT deal, I think!
  95. I wanna drive my Cadi
  96. Coolant Fan Problems
  97. Fuel injector problem
  98. 95 4.9 deville no spark???
  99. Current drain
  100. radiator/cooling system suggestions
  101. Stump the experts!
  102. no spark
  103. Why Do Some 4.x Engines get 26+MPG, Others <18 MPG Highway
  104. 1991 Cadillac Deville Runs Rough Weak Spark HELP
  105. Thermostatic Air Cleaner (THERMAC) location?
  106. Set timing mode problem!!!!! Please help!
  107. possible to fix myself?
  108. Best strut/axle solution for a '90 DeVille?
  109. 4.1 engine knock
  110. 1995 Deville 4.9 lower cooling hose question
  111. HT4100 Noise Just Started Today
  112. 1989 Seville fan comes cycles on and off when ignition is off
  113. 2000 Seville misfire. new to cadillac
  114. 1995 4.9 Misfiring at WOT
  115. Thermac?
  116. How long will a 4.5 DeVille last?
  117. Intermittent starting.
  118. 92 Deville 4.9 governed?
  119. ISC trouble! Help!
  120. need some help with my new pita
  121. EGR problem or ????
  122. Where is the Cruise control's fuse
  123. 95 devile ignition coil install help!!!
  124. would this work as a replacement for the 4.9L transmission fluid cooler?
  125. 1990 fleetwood code troubles please help!!
  126. What's the difference between ignition modules?
  127. Very strange engine problem 4.9L =HELP=
  128. 92 Deville 4.9 miss at idle
  129. 92 Deville blown headgasket or intake manifold?
  130. 1995 devile "service engine soon" light comes out , need help
  131. 91 Sedan DeVille Stall
  132. 1985 DeVille allternator wire (brown)
  133. 88 DeVille ELC not functioning
  134. 1988 DeVille Motor Mount Help
  135. heater hoses, any tips how to get these out?
  136. strut/axle/transmisiion problem
  137. Power Steering Woes
  138. flushing radiator fluid
  139. Break Release?
  140. '83 Eldorado with HT4100 V8, Rebuild or Replace?
  141. 89 coup deville coolant leak
  142. removeing crankshaft pulley bolt
  143. Back to my coolant flow problems
  144. help needed "no charge" light 83 eldorado 4.1
  145. Quick, Simple Question.
  146. 84 coupeD 4.1
  147. Engine Compartment Diagram Needed
  148. Re-install distributor
  149. Where to get a water pump pulley
  150. Don't deal with Remanufactured.com
  151. 1982 Cadillac Fleetwood. Code 52 PCM Reset. Dead Alternator. And my friends screw up.
  152. Vacuum on 4.5 Seville
  153. Alternator Bracket for Eldorado '85
  154. Different 4.1s?
  155. 91 Sedan Deville 4.9L CAR WON'T START
  156. 1992 Cadillac DeVille FOR SALE!!!!
  157. Fuel Injector 4.5
  158. 91 seville suspension dryer
  159. Voltage discrepancies
  160. Best way to clean out dead gas residue in tank?
  161. 4.9 map sensor problem?
  162. '91 Fleetwood Coupe has demons under the hood
  163. Replaced Head Gasket
  164. Looking for online source for TVS Switch for 85 HT4100
  165. I plan to make more of an appearance here...
  166. 93 4.9 motor
  167. intake manifold insides
  168. ISC pricing?
  169. coolant leak (pics)
  170. 91 seville heater control valve?
  171. 4.1 swap
  172. replacement valve covers
  173. 1992 DeVille Tune Up
  174. surging, only when warm
  175. 91 seville 4.9l owners manual
  176. Won't start. E12 .
  177. 4.9 wont stay running/wont start
  178. Anybody have a 91 seville 4.9l
  179. 1990 deville won't stay running
  180. 4.9L Spark Knock
  181. seperating engine and transmission
  182. 4.1 to Olds 403 swap
  183. 1994 cadillac sedan deville 4.9l please help!!
  184. ISC plunger question
  185. weird noise then belt pops off
  186. 91 seville 4.9 wheels?
  187. Service soon - refer to owners manual
  188. 91 seville trunk pull-down motor
  189. My engine build up
  190. PO39 and IO39 codes
  191. Car will not start-Distributor
  192. wats the MAP sensor
  193. high side temperature sensor circuit
  194. wats history after a code mean and how do i refesh list
  195. 92 deville wont start
  196. unbolting torque converter from flexplate
  197. Cracked head or head gasket
  198. 1983 4.1 Vs. 1985 4.1
  199. Another Anti Freeze question
  200. New problem
  201. Mixed up spark plug wire chaos!!!!!
  202. 91 seville 4.9 fan problems
  203. 94 Deville 4.9L
  204. 94 Cadillac SLS Idle Probelms
  205. Where to purchase a new ISC motor?
  206. Relay
  207. Question
  208. Head Bolt Torque Specifications?
  209. gasket question
  210. How hard it is to remove intake manifold???
  211. Diagram
  212. Real problem
  213. Extra HP & Torque
  214. How to adjust ISC
  215. replaced waterpump
  216. "Sail on" after cleaning throttle body
  217. Exhaust Gas in Radiator
  218. 2003 dhs trouble code p0300
  219. Cadillac trouble
  220. Cadillac trouble
  221. 1994 Deville leaking coolant
  222. 83 4.1 misfiring bad when running cold at constant speed
  223. Engine (4.1) won't start, stumbling when starting
  224. Dipstick doesn't match crankcase oil level
  225. The end is near? The end is here?
  226. Changing the FDR: What do I need?
  227. loss of hp?
  228. 93 eldo 4.9 overheating
  229. 93 exhaust question
  230. Prolly a dumb question:
  231. New Distributor Help
  232. water drowning out 84 caddy
  233. is it my spark plugs?
  234. Finally....Start-Up
  235. New problem: racing after cold startups now
  236. Common 4.1L Problems
  237. 91 deville surging idle
  238. '85 Fleetwood FWD 140K+ Miles! Hose questions
  239. Still got a miss at times
  240. Distributor won't drop.....
  241. '94 Sedan Deville, Parting out...Complete car
  242. 4.5 mess
  243. 4.9 intake gaskets
  244. Vacuum tube replacement
  245. Changing belts on 84 deville
  246. Coolant leak from WP cover
  247. Distributor Compatiblity 4.9 into a 4.5?
  248. Heater Core Removal 83 Eldorado
  249. 91 deville needs head gasket
  250. Sluggish acceleration