: HT4100 4.1, 4.5, 4.9



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  1. Replacing a blower motor - what's the secret?
  2. oil pump driveshaft is loose???
  3. 1984 Cadillac Eldorado (my topless baby)
  4. Hard starts when hot?
  5. oil pressure gauge installation
  6. couple of questions regarding oil pump
  7. HT4100 Cooling water doesn't circulate (87' Seville)
  8. removing oil pan on RWD 4.1
  9. Turbo 4.1 Allante
  10. radiator caps with zinc anode
  11. What a mess!!!
  12. High Side AC Hose Information Needed
  13. Squeeling betty
  14. 92 deville no acceleration when hot
  15. Where is the PCV valve on the 4.9L?
  16. Performance?
  17. 93 Seville 4.9 4t60E
  18. Vacuum Line Routing Egr Solenoid & Regulator
  19. Bad CTS?? (coolant senor)
  20. Name this tube! 90 DeVille
  21. 4.5 Fuel Injector Issues
  22. HT4100:major oil leak
  23. What engine/trans appear in various Cadillacs?
  24. FWD Engine Removal
  25. Coolant Change Question
  26. Stripped4.9 headbolt
  27. Fooling the Inlet Air Temp (IAT) sensor?
  28. exhaust manifold installation question
  29. PCM FI Driver Damage ? (Re-visited)
  30. 4.9L Main Bearing Thump
  31. 1993 4.9 rough at low RPM
  32. ht4100 issues
  33. PCM FI Driver Damage ?
  34. DeVille 4.9 Throttle body spacer
  35. Throttle body spacer
  36. Hot exhaust
  37. E24?
  38. 4.9 Water Pump....OR ?
  39. Stalling and Surging--Need help
  40. Relocate the oil filter on your 4.9
  41. SSS light on?
  42. 1985 Eldorado Engine Stumble & Surge
  43. won't go in gear
  44. used oil cooler lines?
  45. Chirping engine at idle
  46. 1993 Deville 4.9 sumble at iddle.
  47. Coolant "tabs" -- yes or no
  48. '90 DeVille Fuel Sending Unit Problem??
  49. Where to install Prestone flush fitting?
  50. 95 Deville AC compressor noisy
  51. 368 to 4.1 swap 1980 Fleetwood Brougham
  52. Procedure for flushing the cooling system (1990 4.5)
  53. F40 & F49 ?'s
  54. ISC part#
  55. I got a GREAT deal, I think!
  56. I wanna drive my Cadi
  57. Coolant Fan Problems
  58. Fuel injector problem
  59. 95 4.9 deville no spark???
  60. Current drain
  61. radiator/cooling system suggestions
  62. Stump the experts!
  63. no spark
  64. Why Do Some 4.x Engines get 26+MPG, Others <18 MPG Highway
  65. 1991 Cadillac Deville Runs Rough Weak Spark HELP
  66. Thermostatic Air Cleaner (THERMAC) location?
  67. Set timing mode problem!!!!! Please help!
  68. possible to fix myself?
  69. Best strut/axle solution for a '90 DeVille?
  70. 4.1 engine knock
  71. 1995 Deville 4.9 lower cooling hose question
  72. HT4100 Noise Just Started Today
  73. 1989 Seville fan comes cycles on and off when ignition is off
  74. 2000 Seville misfire. new to cadillac
  75. 1995 4.9 Misfiring at WOT
  76. Thermac?
  77. How long will a 4.5 DeVille last?
  78. Intermittent starting.
  79. 92 Deville 4.9 governed?
  80. ISC trouble! Help!
  81. need some help with my new pita
  82. EGR problem or ????
  83. Where is the Cruise control's fuse
  84. 95 devile ignition coil install help!!!
  85. would this work as a replacement for the 4.9L transmission fluid cooler?
  86. 1990 fleetwood code troubles please help!!
  87. What's the difference between ignition modules?
  88. Very strange engine problem 4.9L =HELP=
  89. 92 Deville 4.9 miss at idle
  90. 92 Deville blown headgasket or intake manifold?
  91. 1995 devile "service engine soon" light comes out , need help
  92. 91 Sedan DeVille Stall
  93. 1985 DeVille allternator wire (brown)
  94. 88 DeVille ELC not functioning
  95. 1988 DeVille Motor Mount Help
  96. heater hoses, any tips how to get these out?
  97. strut/axle/transmisiion problem
  98. Power Steering Woes
  99. flushing radiator fluid
  100. Break Release?
  101. '83 Eldorado with HT4100 V8, Rebuild or Replace?
  102. 89 coup deville coolant leak
  103. removeing crankshaft pulley bolt
  104. Back to my coolant flow problems
  105. help needed "no charge" light 83 eldorado 4.1
  106. Quick, Simple Question.
  107. 84 coupeD 4.1
  108. Engine Compartment Diagram Needed
  109. Re-install distributor
  110. Where to get a water pump pulley
  111. Don't deal with Remanufactured.com
  112. 1982 Cadillac Fleetwood. Code 52 PCM Reset. Dead Alternator. And my friends screw up.
  113. Vacuum on 4.5 Seville
  114. Alternator Bracket for Eldorado '85
  115. Different 4.1s?
  116. 91 Sedan Deville 4.9L CAR WON'T START
  117. 1992 Cadillac DeVille FOR SALE!!!!
  118. Fuel Injector 4.5
  119. 91 seville suspension dryer
  120. Voltage discrepancies
  121. Best way to clean out dead gas residue in tank?
  122. 4.9 map sensor problem?
  123. '91 Fleetwood Coupe has demons under the hood
  124. Replaced Head Gasket
  125. Looking for online source for TVS Switch for 85 HT4100
  126. I plan to make more of an appearance here...
  127. 93 4.9 motor
  128. intake manifold insides
  129. ISC pricing?
  130. coolant leak (pics)
  131. 91 seville heater control valve?
  132. 4.1 swap
  133. replacement valve covers
  134. 1992 DeVille Tune Up
  135. surging, only when warm
  136. 91 seville 4.9l owners manual
  137. Won't start. E12 .
  138. 4.9 wont stay running/wont start
  139. Anybody have a 91 seville 4.9l
  140. 1990 deville won't stay running
  141. 4.9L Spark Knock
  142. seperating engine and transmission
  143. 4.1 to Olds 403 swap
  144. 1994 cadillac sedan deville 4.9l please help!!
  145. ISC plunger question
  146. weird noise then belt pops off
  147. 91 seville 4.9 wheels?
  148. Service soon - refer to owners manual
  149. 91 seville trunk pull-down motor
  150. My engine build up
  151. PO39 and IO39 codes
  152. Car will not start-Distributor
  153. wats the MAP sensor
  154. high side temperature sensor circuit
  155. wats history after a code mean and how do i refesh list
  156. 92 deville wont start
  157. unbolting torque converter from flexplate
  158. Cracked head or head gasket
  159. 1983 4.1 Vs. 1985 4.1
  160. Another Anti Freeze question
  161. New problem
  162. Mixed up spark plug wire chaos!!!!!
  163. 91 seville 4.9 fan problems
  164. 94 Deville 4.9L
  165. 94 Cadillac SLS Idle Probelms
  166. Where to purchase a new ISC motor?
  167. Relay
  168. Question
  169. Head Bolt Torque Specifications?
  170. gasket question
  171. How hard it is to remove intake manifold???
  172. Diagram
  173. Real problem
  174. Extra HP & Torque
  175. How to adjust ISC
  176. replaced waterpump
  177. "Sail on" after cleaning throttle body
  178. Exhaust Gas in Radiator
  179. 2003 dhs trouble code p0300
  180. Cadillac trouble
  181. Cadillac trouble
  182. 1994 Deville leaking coolant
  183. 83 4.1 misfiring bad when running cold at constant speed
  184. Engine (4.1) won't start, stumbling when starting
  185. Dipstick doesn't match crankcase oil level
  186. The end is near? The end is here?
  187. Changing the FDR: What do I need?
  188. loss of hp?
  189. 93 eldo 4.9 overheating
  190. 93 exhaust question
  191. Prolly a dumb question:
  192. New Distributor Help
  193. water drowning out 84 caddy
  194. is it my spark plugs?
  195. Finally....Start-Up
  196. New problem: racing after cold startups now
  197. Common 4.1L Problems
  198. 91 deville surging idle
  199. '85 Fleetwood FWD 140K+ Miles! Hose questions
  200. Still got a miss at times
  201. Distributor won't drop.....
  202. '94 Sedan Deville, Parting out...Complete car
  203. 4.5 mess
  204. 4.9 intake gaskets
  205. Vacuum tube replacement
  206. Changing belts on 84 deville
  207. Coolant leak from WP cover
  208. Distributor Compatiblity 4.9 into a 4.5?
  209. Heater Core Removal 83 Eldorado
  210. 91 deville needs head gasket
  211. Sluggish acceleration
  212. 93 Eldorado clunking under load
  213. 4.1 just cuts out then comes back
  214. Oil pan gasket: Is it worth it?
  215. 4x engine as boat power?
  216. Cat converter exhaust flange
  217. Cooling system sealant
  218. 1983 4.1, 6 mpg in town driving ????
  219. 4.9 Headgasket ?
  220. E13, e44
  221. Help w/ Temp Fan Light on '85 Deville
  222. 15w-40 too heavy for a 61k mile 4.5?
  223. Operating temp: Whats the norm?
  224. The Last Stretch:Tranny Mods.
  225. timing marks
  226. Distributor Wiring Harness Compatability?
  227. Going from conventional to Synthetic - Good or bad?
  228. E46 code
  229. E98?
  230. 4.9 Lifespan?
  231. Return Line Pressure?
  232. 92 seville 4.9L engine problem
  233. alternator question
  234. Odd "Cold" Idle
  235. Rotten 4.1 do they just normally overheat ???
  236. Starter Change
  237. 83 Eldorado No power to HVAC controls or Mileage calculator
  238. Cam position sensor replacement
  239. A.L.D.L connector, setting timing
  240. The 93 SDV is dead!
  241. 1989 Seville Transmission shifts - Vac Modulator?
  242. thinking about 1994 Sedan deville
  243. Will there be a mess
  244. 1990 Eldorado runs ruff
  245. The 6 flexplate to crankshaft bolts
  246. Coolant
  247. Well, found one of my oil leaks...
  248. 92 Deville Shuts of suddenly
  249. Exhaust manifold gasket set
  250. Fuel Pump Cheat?