: HT4100 4.1, 4.5, 4.9



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  1. no start probs
  2. 1995 4.9 cam sync check engine??
  3. 92 Eldo 4.9 43k
  4. 90 SDV won't run, timing chain?
  5. 1991 DeVille 4.9L water pump
  6. 4.1,4.5,4.9..Which You Prefer?
  7. Cadillac mechanic
  8. did they get better?
  9. replacement power antenna
  10. Rough 4th gear
  11. How to replace motor and transmission mounts 1990 Deville 4.5L V8
  12. 1984 Coupe Engine Oil Cooler lines
  13. E48 Code- EGR FAULT
  14. Injector cleaner, will it work?
  15. 4.9 ping!!!
  16. 1990 Seville enginemiss
  17. 1990 4.5 intake gaskets
  18. Cadillac Deville 4.9l Engine Problem
  19. 4.1 L digital engine
  20. 4.1 Motor? Rattles/Engine Pinging?
  21. 4.9L head bolts 1993
  22. P048 EGR code on 4.9L
  23. What gives?
  24. The Best Kind of Motor Oil For 87 Deville HT4100
  25. i have code E52 - PCM Memory Reset how do i do this ?
  26. Gas mileage gone to hell
  27. idle faster after change timming
  28. 4.9 Power Steering Pulley Slipping
  29. 4.9 Upper a/c compressor bracket
  30. 4.9 knock
  31. high fuel consumption..?
  32. 4.9 issue...
  33. Drive belt routing for 4.9L ???
  34. 92 STS Electrical Short or Drain
  35. where to buy mounting bracket for PS pump?
  36. 1993 Sedan Deville Transmission Swap
  37. rpm question
  38. Code 26 & 41 '91 4.9
  39. Question re: engine swap for 85 FW coupe RWD
  40. 1993 Cadillac DeVille 4.9L Distributor Shot
  41. Fuel pump and FPR recommendations?
  42. Could bad motor mounts cause stumbling on light acceleration
  43. Judgement Call - No Heat 93 Deville
  44. Motor is very clean in my 4.9
  45. Cold Air Intake/Exhaust
  46. 84 eldo. antena
  47. Symptoms of faulty distributor pick up coil
  48. I finally switched from dexicool
  49. Misfire at idle and sumble under acceleration 93 4.9
  50. Refilling colant reservoir every 2 weeks, misfire at idle
  51. 4.9. Overheating (long post)
  52. 4.9 Pictures and sound clip!
  53. 84 deville 4.1 starting prob's help please
  54. 90 Seville Dies Suddenly....
  55. when should timing chain be replaced on 93 deville 4.9
  56. Motor Mount Replacement
  57. No heat at 90 degrees on climate control 93 caddy
  58. 4.1 V8 PUlleys!
  59. 93 deville sits very low in rear time for shocks and coil spring?
  60. Adding NITROUS to a 4.5
  61. Preventive maintenance ('90 with 28k miles)
  62. 4.1 Issues with 85 Eldorado -- Can you help?
  63. Best oil Mobil 1 High mileage for 93 deville 4.9 with 102,000 miles
  64. PLEASE HELP 93 DEVILLE 4.9 Stumble under light acceleration
  65. 4.9 What's the best antifreeze to use?
  66. 93 deville surging
  67. 88 ELDO new r134 Failed Twice??
  68. How reliable will my 4.9 be?
  69. Blower fan ideas wanted
  70. 90 deville front cover gasket failure
  71. New Owner with '86 Fleetwood Seventy Five Limo
  72. 4.9 Coolant overfill reservoir not draining into radiator when cold
  73. 1992 Seville 4.9 Liter Removal
  74. ht 4100 to sbc 350 motor mount pad location HELP!
  75. Brakes
  76. 93 deville oil lev
  77. Confused about seal tabs
  78. 84 eldo-4100HT
  79. HT4100 Care and Upkeep
  80. tranny sounds
  81. oil pump again
  82. Mufflers???
  83. 4.9 How long will it last?
  84. 4.5 Reliability
  85. Sawping Out a 4.9
  86. How do you convert 80's model to R134
  87. Have you used sea foam?
  88. distributor wrench
  89. 84 eldo-4100HT
  90. Coolant.
  91. 84 Eldorado Transmission Problems
  92. 1985 Eldorado 4100 engine swap
  93. Da Capts Back with his 4.9 Fiero lots of updates
  94. here we go again, A/C
  95. 84 eldo trouble
  96. help
  97. fuel meter cover gasket...
  98. Makes no sense...
  99. car stutters intermittently under med/heavy acceleration
  100. Missing Antifreeze
  101. Severe Coolant Leak 4.9
  102. peformance chips
  103. 4.9 Bosch GenIII Injector - ??Integrator, Block Learn, x-count, p.w. values??????
  104. won't idle
  105. New code?
  106. Caddy V-8 history
  107. voltage regulator...?
  108. 4.5 running rough at start -- tune up????
  109. e.g.r. valve
  110. 94 Deville Help!!
  111. map sensor
  112. 4.9 aeromotive afpr won't fit!! Help Mr. Illumna
  113. 4.9 throttle body description
  114. Emission test failed
  115. error code 20
  116. break line
  117. 1985 Eldo Gas Leaking out of the Charcoal Can
  118. Distributor Gear Sheared Again...Help!
  119. Climate control Problem???
  120. 1985 Deville Coolant Leak
  121. engine popping
  122. 91 Coupe replaced injectors now blowing smoke
  123. 1995 Deville Hi Performance Ideas anybody????
  124. 4100 vacuum diagram
  125. 4.1 belt tensioner
  126. HT 4.X base timing question
  127. 2005 4.1 PCV Valve
  128. 1985 DeVille Collant Temp Fan Light
  129. new to me 92 sdv,need some help
  130. just wondering
  131. 87 Eldo Cash for Clunker: Heresy?
  132. sudden engine probs
  133. brand new problem
  134. 94 4.9 Distributor question
  135. Plastic Radiator Side Tanks
  136. How to check cat. converter?
  137. 94 Deville 4.9 where is the governor
  138. 92 Eldo problem
  139. Cruise control gone 4.1 87'seville
  140. 94 Sedan Deville A/C Question
  141. fuel injectors interchange?
  142. ht4100 giving me problems
  143. 4.1L tune up and oil on manifold.
  144. Need help on a '90 Cadillac Fleetwood FWD
  145. 91 deville service engine soon
  146. DIN radio in '92 Eldorado
  147. Your best 4.X MPG?
  148. 1991 4.9
  149. 90 SDV Repeated E22 TPS Code
  150. silly question
  151. you helped me last time (weird fuel pump)
  152. 90 SDV Repeated E22 TPS Code
  153. 4100 engine change. Need input.
  154. egnine oil cooler hose assemblies
  155. 92 4.9 starter replacement
  156. How many miles?
  157. water pump wrestling
  158. Head gasket change
  159. Error code 34 on 83 deville
  160. Advanced Timing
  161. gearbox oil..?
  162. Is gas safe
  163. Using a laptop for real-time OBD
  164. '94 4.9 rough running
  165. 4.9 litre engine firing order
  166. 1986 Eldorado HT4100: No Start-No Codes
  167. 1986 Eldorado HT4100
  168. '91 Deville 4.9L surging
  169. 94 4.9L will not start. Need help
  170. Idling Down rough?
  171. 86 Eldorado Fuel Pump
  172. 91 fleewood won't start code31
  173. Did I blow head gasket on 93 deville?? Please Help!
  174. Vaccum Line Problem?
  175. Replacing a blower motor - what's the secret?
  176. oil pump driveshaft is loose???
  177. 1984 Cadillac Eldorado (my topless baby)
  178. Hard starts when hot?
  179. oil pressure gauge installation
  180. couple of questions regarding oil pump
  181. HT4100 Cooling water doesn't circulate (87' Seville)
  182. removing oil pan on RWD 4.1
  183. Turbo 4.1 Allante
  184. radiator caps with zinc anode
  185. What a mess!!!
  186. High Side AC Hose Information Needed
  187. Squeeling betty
  188. 92 deville no acceleration when hot
  189. Where is the PCV valve on the 4.9L?
  190. Performance?
  191. 93 Seville 4.9 4t60E
  192. Vacuum Line Routing Egr Solenoid & Regulator
  193. Bad CTS?? (coolant senor)
  194. Name this tube! 90 DeVille
  195. 4.5 Fuel Injector Issues
  196. HT4100:major oil leak
  197. What engine/trans appear in various Cadillacs?
  198. FWD Engine Removal
  199. Coolant Change Question
  200. Stripped4.9 headbolt
  201. Fooling the Inlet Air Temp (IAT) sensor?
  202. exhaust manifold installation question
  203. PCM FI Driver Damage ? (Re-visited)
  204. 4.9L Main Bearing Thump
  205. 1993 4.9 rough at low RPM
  206. ht4100 issues
  207. PCM FI Driver Damage ?
  208. DeVille 4.9 Throttle body spacer
  209. Throttle body spacer
  210. Hot exhaust
  211. E24?
  212. 4.9 Water Pump....OR ?
  213. Stalling and Surging--Need help
  214. Relocate the oil filter on your 4.9
  215. SSS light on?
  216. 1985 Eldorado Engine Stumble & Surge
  217. won't go in gear
  218. used oil cooler lines?
  219. Chirping engine at idle
  220. 1993 Deville 4.9 sumble at iddle.
  221. Coolant "tabs" -- yes or no
  222. '90 DeVille Fuel Sending Unit Problem??
  223. Where to install Prestone flush fitting?
  224. 95 Deville AC compressor noisy
  225. 368 to 4.1 swap 1980 Fleetwood Brougham
  226. Procedure for flushing the cooling system (1990 4.5)
  227. F40 & F49 ?'s
  228. ISC part#
  229. I got a GREAT deal, I think!
  230. I wanna drive my Cadi
  231. Coolant Fan Problems
  232. Fuel injector problem
  233. 95 4.9 deville no spark???
  234. Current drain
  235. radiator/cooling system suggestions
  236. Stump the experts!
  237. no spark
  238. Why Do Some 4.x Engines get 26+MPG, Others <18 MPG Highway
  239. 1991 Cadillac Deville Runs Rough Weak Spark HELP
  240. Thermostatic Air Cleaner (THERMAC) location?
  241. Set timing mode problem!!!!! Please help!
  242. possible to fix myself?
  243. Best strut/axle solution for a '90 DeVille?
  244. 4.1 engine knock
  245. 1995 Deville 4.9 lower cooling hose question
  246. HT4100 Noise Just Started Today
  247. 1989 Seville fan comes cycles on and off when ignition is off
  248. 2000 Seville misfire. new to cadillac
  249. 1995 4.9 Misfiring at WOT
  250. Thermac?