: HT4100 4.1, 4.5, 4.9



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