: HT4100 4.1, 4.5, 4.9



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  1. How long will a 4.5 DeVille last?
  2. Intermittent starting.
  3. 92 Deville 4.9 governed?
  4. ISC trouble! Help!
  5. need some help with my new pita
  6. EGR problem or ????
  7. Where is the Cruise control's fuse
  8. 95 devile ignition coil install help!!!
  9. would this work as a replacement for the 4.9L transmission fluid cooler?
  10. 1990 fleetwood code troubles please help!!
  11. What's the difference between ignition modules?
  12. Very strange engine problem 4.9L =HELP=
  13. 92 Deville 4.9 miss at idle
  14. 92 Deville blown headgasket or intake manifold?
  15. 1995 devile "service engine soon" light comes out , need help
  16. 91 Sedan DeVille Stall
  17. 1985 DeVille allternator wire (brown)
  18. 88 DeVille ELC not functioning
  19. 1988 DeVille Motor Mount Help
  20. heater hoses, any tips how to get these out?
  21. strut/axle/transmisiion problem
  22. Power Steering Woes
  23. flushing radiator fluid
  24. Break Release?
  25. '83 Eldorado with HT4100 V8, Rebuild or Replace?
  26. 89 coup deville coolant leak
  27. removeing crankshaft pulley bolt
  28. Back to my coolant flow problems
  29. help needed "no charge" light 83 eldorado 4.1
  30. Quick, Simple Question.
  31. 84 coupeD 4.1
  32. Engine Compartment Diagram Needed
  33. Re-install distributor
  34. Where to get a water pump pulley
  35. Don't deal with Remanufactured.com
  36. 1982 Cadillac Fleetwood. Code 52 PCM Reset. Dead Alternator. And my friends screw up.
  37. Vacuum on 4.5 Seville
  38. Alternator Bracket for Eldorado '85
  39. Different 4.1s?
  40. 91 Sedan Deville 4.9L CAR WON'T START
  41. 1992 Cadillac DeVille FOR SALE!!!!
  42. Fuel Injector 4.5
  43. 91 seville suspension dryer
  44. Voltage discrepancies
  45. Best way to clean out dead gas residue in tank?
  46. 4.9 map sensor problem?
  47. '91 Fleetwood Coupe has demons under the hood
  48. Replaced Head Gasket
  49. Looking for online source for TVS Switch for 85 HT4100
  50. I plan to make more of an appearance here...
  51. 93 4.9 motor
  52. intake manifold insides
  53. ISC pricing?
  54. coolant leak (pics)
  55. 91 seville heater control valve?
  56. 4.1 swap
  57. replacement valve covers
  58. 1992 DeVille Tune Up
  59. surging, only when warm
  60. 91 seville 4.9l owners manual
  61. Won't start. E12 .
  62. 4.9 wont stay running/wont start
  63. Anybody have a 91 seville 4.9l
  64. 1990 deville won't stay running
  65. 4.9L Spark Knock
  66. seperating engine and transmission
  67. 4.1 to Olds 403 swap
  68. 1994 cadillac sedan deville 4.9l please help!!
  69. ISC plunger question
  70. weird noise then belt pops off
  71. 91 seville 4.9 wheels?
  72. Service soon - refer to owners manual
  73. 91 seville trunk pull-down motor
  74. My engine build up
  75. PO39 and IO39 codes
  76. Car will not start-Distributor
  77. wats the MAP sensor
  78. high side temperature sensor circuit
  79. wats history after a code mean and how do i refesh list
  80. 92 deville wont start
  81. unbolting torque converter from flexplate
  82. Cracked head or head gasket
  83. 1983 4.1 Vs. 1985 4.1
  84. Another Anti Freeze question
  85. New problem
  86. Mixed up spark plug wire chaos!!!!!
  87. 91 seville 4.9 fan problems
  88. 94 Deville 4.9L
  89. 94 Cadillac SLS Idle Probelms
  90. Where to purchase a new ISC motor?
  91. Relay
  92. Question
  93. Head Bolt Torque Specifications?
  94. gasket question
  95. How hard it is to remove intake manifold???
  96. Diagram
  97. Real problem
  98. Extra HP & Torque
  99. How to adjust ISC
  100. replaced waterpump
  101. "Sail on" after cleaning throttle body
  102. Exhaust Gas in Radiator
  103. 2003 dhs trouble code p0300
  104. Cadillac trouble
  105. Cadillac trouble
  106. 1994 Deville leaking coolant
  107. 83 4.1 misfiring bad when running cold at constant speed
  108. Engine (4.1) won't start, stumbling when starting
  109. Dipstick doesn't match crankcase oil level
  110. The end is near? The end is here?
  111. Changing the FDR: What do I need?
  112. loss of hp?
  113. 93 eldo 4.9 overheating
  114. 93 exhaust question
  115. Prolly a dumb question:
  116. New Distributor Help
  117. water drowning out 84 caddy
  118. is it my spark plugs?
  119. Finally....Start-Up
  120. New problem: racing after cold startups now
  121. Common 4.1L Problems
  122. 91 deville surging idle
  123. '85 Fleetwood FWD 140K+ Miles! Hose questions
  124. Still got a miss at times
  125. Distributor won't drop.....
  126. '94 Sedan Deville, Parting out...Complete car
  127. 4.5 mess
  128. 4.9 intake gaskets
  129. Vacuum tube replacement
  130. Changing belts on 84 deville
  131. Coolant leak from WP cover
  132. Distributor Compatiblity 4.9 into a 4.5?
  133. Heater Core Removal 83 Eldorado
  134. 91 deville needs head gasket
  135. Sluggish acceleration
  136. 93 Eldorado clunking under load
  137. 4.1 just cuts out then comes back
  138. Oil pan gasket: Is it worth it?
  139. 4x engine as boat power?
  140. Cat converter exhaust flange
  141. Cooling system sealant
  142. 1983 4.1, 6 mpg in town driving ????
  143. 4.9 Headgasket ?
  144. E13, e44
  145. Help w/ Temp Fan Light on '85 Deville
  146. 15w-40 too heavy for a 61k mile 4.5?
  147. Operating temp: Whats the norm?
  148. The Last Stretch:Tranny Mods.
  149. timing marks
  150. Distributor Wiring Harness Compatability?
  151. Going from conventional to Synthetic - Good or bad?
  152. E46 code
  153. E98?
  154. 4.9 Lifespan?
  155. Return Line Pressure?
  156. 92 seville 4.9L engine problem
  157. alternator question
  158. Odd "Cold" Idle
  159. Rotten 4.1 do they just normally overheat ???
  160. Starter Change
  161. 83 Eldorado No power to HVAC controls or Mileage calculator
  162. Cam position sensor replacement
  163. A.L.D.L connector, setting timing
  164. The 93 SDV is dead!
  165. 1989 Seville Transmission shifts - Vac Modulator?
  166. thinking about 1994 Sedan deville
  167. Will there be a mess
  168. 1990 Eldorado runs ruff
  169. The 6 flexplate to crankshaft bolts
  170. Coolant
  171. Well, found one of my oil leaks...
  172. 92 Deville Shuts of suddenly
  173. Exhaust manifold gasket set
  174. Fuel Pump Cheat?
  175. 1995 Devile 4.9 Oil Leak
  176. Found my oil-leak
  177. Check this guy out: 91 Seville with 'questionable' mods
  178. Hose substution
  179. Thermostat
  180. Which of these?
  181. New Performance 4.9 Injector Mod. and Adjustable Fuel Pressure Regulator
  182. 1994 Cadillac Deville High Idle
  183. 91 deville, dead miss
  184. heater controls 92 eldo.
  185. How many tablets or bars leak?
  186. Distributor Help
  187. Proper Spark Plug Gap for 4.5
  188. 1990 Deville 4.5 help
  189. Yes, I Did It
  190. Harmonic Balance
  191. ECM Swap! PASSkey Question...
  192. Accel Performance Ignition Module: Real or B/S?
  193. 4100 engine temperature
  194. '90 4.5 No Cam Sensor Reference Signal Journey Through Hell!
  195. Ongoing Issues, running rough poor idle
  196. Trans cooler flush
  197. screw the whole thing - i hate the 4100... swap ideas?
  198. oil sender location - 4.1
  199. code po23??? Any thoughts
  200. 4.9 exhaust info
  201. Throttle valve cable '85
  202. oil pressure light came on - towed home
  203. clackin noise 4.9 deville
  204. Oil-leak solved!
  205. WOW this is a 4.9
  206. PO48 Current/ EGR Fault
  207. Oil Pressure
  208. E98 code on 4.5
  209. ...the HG gremlin got me
  210. Help identify 4.9 engine noise (video included)
  211. Head Gasket 91 caddy
  212. Once again......no joy
  213. BCM Location?
  214. Oil-tube gasket & o-ring
  215. 84 cdv 4100
  216. Question on oil leak - 1989 Seville
  217. No Joy....
  218. RTV on Oil-Pan gasket
  219. Block number?
  220. One problem fixed another shows up. Starter
  221. 4.9 Software
  222. How do I bypass PASKEY
  223. Rough running, bad mileage, unstable idle
  224. Trouble Starting When Warm
  225. Clattering noise from engine front area
  226. What is this hose called???
  227. 83 Eldorado 4.1 auto OD Trans Model # Please
  228. 1986 deville 4.1L
  229. Sedan Deville 4.1 to 4.5 Disaster Swap “This time I got right” part 2
  230. 89 Seville ignition switch click - VATS?
  231. Which a/c compressor to buy for round 4...advice please
  232. Carnut, got it to work, Thanks !
  233. wont start when warm
  234. B336 code, 86 seville
  235. transmission parts and specks
  236. Transmission advice
  237. 4.5-4.9 less inclined for h.g. problems
  238. Transmission Cooler Lines
  239. Severs Idle Problem
  240. 83 Eldo 4.1 Hesitation upon accelleration
  241. Coolant Change and GM Sealant Questions
  242. 95 DeVille PCM Codes
  243. Cleaning an ISC motor from a 1989 Seville
  244. Water in oil - Head/intake maniforld gasket job
  245. Loud bang, car won't turn over. 4100 '82 Deville
  246. Coolant Leak
  247. A/C Compressor Clutch Engagement Issues
  248. 83 Eldo 4.1 Climate Control only lights sometimes
  249. 1989 Deville code help
  250. 1989 Deville code help