: HT4100 4.1, 4.5, 4.9



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  1. When I First Start The Engine...
  2. Failed emissions
  3. 89 Eldorado engine misfire
  4. Ht-4100 rwd info
  5. 4.5 V8 Underpowered? & 92-93 Deville?
  6. HT-4100 oil pan
  7. 89 deville 4.5 antifreeze leak?
  8. The screws with no size...
  9. Does a 4.5 and 4.9 share the same transmission?
  10. 93 deville passed emissions and state inspection but still getting 10MPG
  11. 1993 Cadillac Deville 4.9L computer problem (ISC problem continued)
  12. 95 Deville base 4.9 fuel pressure issues, FPR or fuel pump?
  13. Hopefull found out my problem with my 93 deville 4.9
  14. 4.5L Fuel Injectors (Aftermarket)
  15. Thinking about buying a 1997 cadillac eldorado
  16. HT4100 with serpentine belt
  17. new Tranny
  18. Serpenting belt - when to change?
  19. 1993 DeVille ISC Problem
  20. Thanks All
  21. 95 4.9l deville idle problem
  22. Throttle to the moon....
  23. 1990 Deville-- Code E41
  24. still has problems
  25. Help Diagnosing Noise
  26. Bad tps 93 deville
  27. Catalytic
  28. something loose on intake manifold?
  29. What would cause an O2 sensor to turn red?
  30. Putting Restore in my 93 Deville
  31. 93 deville problems
  32. Merry christmas!
  33. The 325-4l dipstick I broke inside fill-tube...
  34. repair shops in oakland, ca.
  35. Valves...4100
  36. Rocker Arm Guide...what?
  37. Fuel Pressure
  38. 93 Deville main bearing thump
  39. Finding Used 4.9l engine assembly's
  40. EGR Tubes clogging up
  41. Power steering pulley
  42. Distributor removal and install on 85 rwd ht4100
  43. Timing Mark bouncing around
  44. Oil Filter Analysis
  45. 91 devillle heater issue
  46. Engine knock - 4.9L w/ 90k
  47. 94 4.9 Weird Rattle Question...
  48. 88 Eldorado, Code B127, E040, No Gears
  49. Strange problem Seville 90
  50. engine shake - 91 el dorado 4.9
  51. 86 deville intake
  52. no start probs
  53. 1995 4.9 cam sync check engine??
  54. 92 Eldo 4.9 43k
  55. 90 SDV won't run, timing chain?
  56. 1991 DeVille 4.9L water pump
  57. 4.1,4.5,4.9..Which You Prefer?
  58. Cadillac mechanic
  59. did they get better?
  60. replacement power antenna
  61. Rough 4th gear
  62. How to replace motor and transmission mounts 1990 Deville 4.5L V8
  63. 1984 Coupe Engine Oil Cooler lines
  64. E48 Code- EGR FAULT
  65. Injector cleaner, will it work?
  66. 4.9 ping!!!
  67. 1990 Seville enginemiss
  68. 1990 4.5 intake gaskets
  69. Cadillac Deville 4.9l Engine Problem
  70. 4.1 L digital engine
  71. 4.1 Motor? Rattles/Engine Pinging?
  72. 4.9L head bolts 1993
  73. P048 EGR code on 4.9L
  74. What gives?
  75. The Best Kind of Motor Oil For 87 Deville HT4100
  76. i have code E52 - PCM Memory Reset how do i do this ?
  77. Gas mileage gone to hell
  78. idle faster after change timming
  79. 4.9 Power Steering Pulley Slipping
  80. 4.9 Upper a/c compressor bracket
  81. 4.9 knock
  82. high fuel consumption..?
  83. 4.9 issue...
  84. Drive belt routing for 4.9L ???
  85. 92 STS Electrical Short or Drain
  86. where to buy mounting bracket for PS pump?
  87. 1993 Sedan Deville Transmission Swap
  88. rpm question
  89. Code 26 & 41 '91 4.9
  90. Question re: engine swap for 85 FW coupe RWD
  91. 1993 Cadillac DeVille 4.9L Distributor Shot
  92. Fuel pump and FPR recommendations?
  93. Could bad motor mounts cause stumbling on light acceleration
  94. Judgement Call - No Heat 93 Deville
  95. Motor is very clean in my 4.9
  96. Cold Air Intake/Exhaust
  97. 84 eldo. antena
  98. Symptoms of faulty distributor pick up coil
  99. I finally switched from dexicool
  100. Misfire at idle and sumble under acceleration 93 4.9
  101. Refilling colant reservoir every 2 weeks, misfire at idle
  102. 4.9. Overheating (long post)
  103. 4.9 Pictures and sound clip!
  104. 84 deville 4.1 starting prob's help please
  105. 90 Seville Dies Suddenly....
  106. when should timing chain be replaced on 93 deville 4.9
  107. Motor Mount Replacement
  108. No heat at 90 degrees on climate control 93 caddy
  109. 4.1 V8 PUlleys!
  110. 93 deville sits very low in rear time for shocks and coil spring?
  111. Adding NITROUS to a 4.5
  112. Preventive maintenance ('90 with 28k miles)
  113. 4.1 Issues with 85 Eldorado -- Can you help?
  114. Best oil Mobil 1 High mileage for 93 deville 4.9 with 102,000 miles
  115. PLEASE HELP 93 DEVILLE 4.9 Stumble under light acceleration
  116. 4.9 What's the best antifreeze to use?
  117. 93 deville surging
  118. 88 ELDO new r134 Failed Twice??
  119. How reliable will my 4.9 be?
  120. Blower fan ideas wanted
  121. 90 deville front cover gasket failure
  122. New Owner with '86 Fleetwood Seventy Five Limo
  123. 4.9 Coolant overfill reservoir not draining into radiator when cold
  124. 1992 Seville 4.9 Liter Removal
  125. ht 4100 to sbc 350 motor mount pad location HELP!
  126. Brakes
  127. 93 deville oil lev
  128. Confused about seal tabs
  129. 84 eldo-4100HT
  130. HT4100 Care and Upkeep
  131. tranny sounds
  132. oil pump again
  133. Mufflers???
  134. 4.9 How long will it last?
  135. 4.5 Reliability
  136. Sawping Out a 4.9
  137. How do you convert 80's model to R134
  138. Have you used sea foam?
  139. distributor wrench
  140. 84 eldo-4100HT
  141. Coolant.
  142. 84 Eldorado Transmission Problems
  143. 1985 Eldorado 4100 engine swap
  144. Da Capts Back with his 4.9 Fiero lots of updates
  145. here we go again, A/C
  146. 84 eldo trouble
  147. help
  148. fuel meter cover gasket...
  149. Makes no sense...
  150. car stutters intermittently under med/heavy acceleration
  151. Missing Antifreeze
  152. Severe Coolant Leak 4.9
  153. peformance chips
  154. 4.9 Bosch GenIII Injector - ??Integrator, Block Learn, x-count, p.w. values??????
  155. won't idle
  156. New code?
  157. Caddy V-8 history
  158. voltage regulator...?
  159. 4.5 running rough at start -- tune up????
  160. e.g.r. valve
  161. 94 Deville Help!!
  162. map sensor
  163. 4.9 aeromotive afpr won't fit!! Help Mr. Illumna
  164. 4.9 throttle body description
  165. Emission test failed
  166. error code 20
  167. break line
  168. 1985 Eldo Gas Leaking out of the Charcoal Can
  169. Distributor Gear Sheared Again...Help!
  170. Climate control Problem???
  171. 1985 Deville Coolant Leak
  172. engine popping
  173. 91 Coupe replaced injectors now blowing smoke
  174. 1995 Deville Hi Performance Ideas anybody????
  175. 4100 vacuum diagram
  176. 4.1 belt tensioner
  177. HT 4.X base timing question
  178. 2005 4.1 PCV Valve
  179. 1985 DeVille Collant Temp Fan Light
  180. new to me 92 sdv,need some help
  181. just wondering
  182. 87 Eldo Cash for Clunker: Heresy?
  183. sudden engine probs
  184. brand new problem
  185. 94 4.9 Distributor question
  186. Plastic Radiator Side Tanks
  187. How to check cat. converter?
  188. 94 Deville 4.9 where is the governor
  189. 92 Eldo problem
  190. Cruise control gone 4.1 87'seville
  191. 94 Sedan Deville A/C Question
  192. fuel injectors interchange?
  193. ht4100 giving me problems
  194. 4.1L tune up and oil on manifold.
  195. Need help on a '90 Cadillac Fleetwood FWD
  196. 91 deville service engine soon
  197. DIN radio in '92 Eldorado
  198. Your best 4.X MPG?
  199. 1991 4.9
  200. 90 SDV Repeated E22 TPS Code
  201. silly question
  202. you helped me last time (weird fuel pump)
  203. 90 SDV Repeated E22 TPS Code
  204. 4100 engine change. Need input.
  205. egnine oil cooler hose assemblies
  206. 92 4.9 starter replacement
  207. How many miles?
  208. water pump wrestling
  209. Head gasket change
  210. Error code 34 on 83 deville
  211. Advanced Timing
  212. gearbox oil..?
  213. Is gas safe
  214. Using a laptop for real-time OBD
  215. '94 4.9 rough running
  216. 4.9 litre engine firing order
  217. 1986 Eldorado HT4100: No Start-No Codes
  218. 1986 Eldorado HT4100
  219. '91 Deville 4.9L surging
  220. 94 4.9L will not start. Need help
  221. Idling Down rough?
  222. 86 Eldorado Fuel Pump
  223. 91 fleewood won't start code31
  224. Did I blow head gasket on 93 deville?? Please Help!
  225. Vaccum Line Problem?
  226. Replacing a blower motor - what's the secret?
  227. oil pump driveshaft is loose???
  228. 1984 Cadillac Eldorado (my topless baby)
  229. Hard starts when hot?
  230. oil pressure gauge installation
  231. couple of questions regarding oil pump
  232. HT4100 Cooling water doesn't circulate (87' Seville)
  233. removing oil pan on RWD 4.1
  234. Turbo 4.1 Allante
  235. radiator caps with zinc anode
  236. What a mess!!!
  237. High Side AC Hose Information Needed
  238. Squeeling betty
  239. 92 deville no acceleration when hot
  240. Where is the PCV valve on the 4.9L?
  241. Performance?
  242. 93 Seville 4.9 4t60E
  243. Vacuum Line Routing Egr Solenoid & Regulator
  244. Bad CTS?? (coolant senor)
  245. Name this tube! 90 DeVille
  246. 4.5 Fuel Injector Issues
  247. HT4100:major oil leak
  248. What engine/trans appear in various Cadillacs?
  249. FWD Engine Removal
  250. Coolant Change Question