: HT4100 4.1, 4.5, 4.9



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