: HT4100 4.1, 4.5, 4.9



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