: HT4100 4.1, 4.5, 4.9



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