: HT4100 4.1, 4.5, 4.9



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