: HT4100 4.1, 4.5, 4.9



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  1. Interchangeability HT4100
  2. O2 sensors : 1 righ and 1 lean
  3. Just wanted to thank you guys
  4. '92 Fleetwood DeVille random stalling
  5. New Life in my 94 caddy
  6. Anyone done a 4100 head gasket replace?
  7. Low oil pressure - stop engine
  8. Fuel pump running, car not....
  9. 1996 deville with 200 deville engine swap.Possible??
  10. 92 Eldorado Valve Cover Gaskets
  11. HT4100 engine vacuum lines with pics
  12. 92 4.9L, not sure if radiator fans are coming on
  13. Shorted MAP Sensor Signal
  14. 85 HT4100 new remanufactured motor
  15. S10 Chevy p'up; swap in a 4.5 or 4.9?
  16. Replacing the starter on a 1987 Cadillac Eldorado with 4.1L V8
  17. 4T60-E + Ratchet Shifter
  18. 85 HT4100 smokes when shut off?
  19. Intake Gaskets
  20. Gaggle of codes, ugh!
  21. HT 4100 no oil pressure new rebuilt motor
  22. rebuilt HT 4100 no oil up top or oil pressure
  23. Opinions on my very special '93 FWD C-Body
  24. 4.1 oil leak
  25. 92 deville wont start
  26. Tunercats
  27. chugging and backfiring intermittently. No codes
  28. 1992 4.9 Coolant Mystery
  29. 90 4.5 exhaust manifold threads
  30. EGR interchange
  31. 4.9 fuel pump question
  32. The DIY Injector Test Bench
  33. Wont start please help
  34. Loss of electrical; intermittent problem
  35. Alternator
  36. Distributor Sound
  37. Tired of &^%$ injectors!
  38. egr problems?4.9
  39. Help with '91 ETC codes.
  40. ECM interchangeability and swap
  41. 1991 Deville Leaking Coolant near water pump
  42. ECM specs, where do I find them?
  43. Outside temp
  44. No oil up top, what am I missing?
  45. ECM injector driver damage?
  46. Thoughts on supercharging 4.9
  47. Anyone Need a 90 deville FSM
  48. broke down before belt came off pump and belt tensioner bracket cracked
  49. Steering
  50. getting wierd OBD I codes what is it bad computer?
  51. 4.9 ever used in a hearse?
  52. need help antifreeze leak 4.9 1993 deville
  53. ok just need some info
  54. 4.5 head gaskets
  55. Code 52.
  56. 84 Seville 4.1L with "Random Toyota Acceleration" issue
  57. cooling fan module
  58. 4.5 intake manifold gasket progress
  59. 4.9 main mearing thump getting worse?
  60. lost of power
  61. 4.9 a little jittery at idle
  62. Power brake booster vacuum hose? All Cylinders?
  63. Egr
  64. Goodwrench NEW 4.1 sticker
  65. EGR tubes and TPS question.
  66. Antifreeze on the PCV Valve
  67. Ground Locations?
  68. 4.9 Reluctant to Start, Sometimes Dies at Idle
  69. I think its the alternator
  70. how long to change all motor mounts on 93 deville
  71. Vacuum leak somewhere inside the dash
  72. What problems in removing 4.9?
  73. Spark Plugs: What do YOU run?
  74. 4.9l engine ticking noise: lifter?
  75. 4.5 or 4.9
  76. 4.5 or 4.9 Engine
  77. Pump thump
  78. Replaced intake gasket and messed something up!
  79. When I First Start The Engine...
  80. Failed emissions
  81. 89 Eldorado engine misfire
  82. Ht-4100 rwd info
  83. 4.5 V8 Underpowered? & 92-93 Deville?
  84. HT-4100 oil pan
  85. 89 deville 4.5 antifreeze leak?
  86. The screws with no size...
  87. Does a 4.5 and 4.9 share the same transmission?
  88. 93 deville passed emissions and state inspection but still getting 10MPG
  89. 1993 Cadillac Deville 4.9L computer problem (ISC problem continued)
  90. 95 Deville base 4.9 fuel pressure issues, FPR or fuel pump?
  91. Hopefull found out my problem with my 93 deville 4.9
  92. 4.5L Fuel Injectors (Aftermarket)
  93. Thinking about buying a 1997 cadillac eldorado
  94. HT4100 with serpentine belt
  95. new Tranny
  96. Serpenting belt - when to change?
  97. 1993 DeVille ISC Problem
  98. Thanks All
  99. 95 4.9l deville idle problem
  100. Throttle to the moon....
  101. 1990 Deville-- Code E41
  102. still has problems
  103. Help Diagnosing Noise
  104. Bad tps 93 deville
  105. Catalytic
  106. something loose on intake manifold?
  107. What would cause an O2 sensor to turn red?
  108. Putting Restore in my 93 Deville
  109. 93 deville problems
  110. Merry christmas!
  111. The 325-4l dipstick I broke inside fill-tube...
  112. repair shops in oakland, ca.
  113. Valves...4100
  114. Rocker Arm Guide...what?
  115. Fuel Pressure
  116. 93 Deville main bearing thump
  117. Finding Used 4.9l engine assembly's
  118. EGR Tubes clogging up
  119. Power steering pulley
  120. Distributor removal and install on 85 rwd ht4100
  121. Timing Mark bouncing around
  122. Oil Filter Analysis
  123. 91 devillle heater issue
  124. Engine knock - 4.9L w/ 90k
  125. 94 4.9 Weird Rattle Question...
  126. 88 Eldorado, Code B127, E040, No Gears
  127. Strange problem Seville 90
  128. engine shake - 91 el dorado 4.9
  129. 86 deville intake
  130. no start probs
  131. 1995 4.9 cam sync check engine??
  132. 92 Eldo 4.9 43k
  133. 90 SDV won't run, timing chain?
  134. 1991 DeVille 4.9L water pump
  135. 4.1,4.5,4.9..Which You Prefer?
  136. Cadillac mechanic
  137. did they get better?
  138. replacement power antenna
  139. Rough 4th gear
  140. How to replace motor and transmission mounts 1990 Deville 4.5L V8
  141. 1984 Coupe Engine Oil Cooler lines
  142. E48 Code- EGR FAULT
  143. Injector cleaner, will it work?
  144. 4.9 ping!!!
  145. 1990 Seville enginemiss
  146. 1990 4.5 intake gaskets
  147. Cadillac Deville 4.9l Engine Problem
  148. 4.1 L digital engine
  149. 4.1 Motor? Rattles/Engine Pinging?
  150. 4.9L head bolts 1993
  151. P048 EGR code on 4.9L
  152. What gives?
  153. The Best Kind of Motor Oil For 87 Deville HT4100
  154. i have code E52 - PCM Memory Reset how do i do this ?
  155. Gas mileage gone to hell
  156. idle faster after change timming
  157. 4.9 Power Steering Pulley Slipping
  158. 4.9 Upper a/c compressor bracket
  159. 4.9 knock
  160. high fuel consumption..?
  161. 4.9 issue...
  162. Drive belt routing for 4.9L ???
  163. 92 STS Electrical Short or Drain
  164. where to buy mounting bracket for PS pump?
  165. 1993 Sedan Deville Transmission Swap
  166. rpm question
  167. Code 26 & 41 '91 4.9
  168. Question re: engine swap for 85 FW coupe RWD
  169. 1993 Cadillac DeVille 4.9L Distributor Shot
  170. Fuel pump and FPR recommendations?
  171. Could bad motor mounts cause stumbling on light acceleration
  172. Judgement Call - No Heat 93 Deville
  173. Motor is very clean in my 4.9
  174. Cold Air Intake/Exhaust
  175. 84 eldo. antena
  176. Symptoms of faulty distributor pick up coil
  177. I finally switched from dexicool
  178. Misfire at idle and sumble under acceleration 93 4.9
  179. Refilling colant reservoir every 2 weeks, misfire at idle
  180. 4.9. Overheating (long post)
  181. 4.9 Pictures and sound clip!
  182. 84 deville 4.1 starting prob's help please
  183. 90 Seville Dies Suddenly....
  184. when should timing chain be replaced on 93 deville 4.9
  185. Motor Mount Replacement
  186. No heat at 90 degrees on climate control 93 caddy
  187. 4.1 V8 PUlleys!
  188. 93 deville sits very low in rear time for shocks and coil spring?
  189. Adding NITROUS to a 4.5
  190. Preventive maintenance ('90 with 28k miles)
  191. 4.1 Issues with 85 Eldorado -- Can you help?
  192. Best oil Mobil 1 High mileage for 93 deville 4.9 with 102,000 miles
  193. PLEASE HELP 93 DEVILLE 4.9 Stumble under light acceleration
  194. 4.9 What's the best antifreeze to use?
  195. 93 deville surging
  196. 88 ELDO new r134 Failed Twice??
  197. How reliable will my 4.9 be?
  198. Blower fan ideas wanted
  199. 90 deville front cover gasket failure
  200. New Owner with '86 Fleetwood Seventy Five Limo
  201. 4.9 Coolant overfill reservoir not draining into radiator when cold
  202. 1992 Seville 4.9 Liter Removal
  203. ht 4100 to sbc 350 motor mount pad location HELP!
  204. Brakes
  205. 93 deville oil lev
  206. Confused about seal tabs
  207. 84 eldo-4100HT
  208. HT4100 Care and Upkeep
  209. tranny sounds
  210. oil pump again
  211. Mufflers???
  212. 4.9 How long will it last?
  213. 4.5 Reliability
  214. Sawping Out a 4.9
  215. How do you convert 80's model to R134
  216. Have you used sea foam?
  217. distributor wrench
  218. 84 eldo-4100HT
  219. Coolant.
  220. 84 Eldorado Transmission Problems
  221. 1985 Eldorado 4100 engine swap
  222. Da Capts Back with his 4.9 Fiero lots of updates
  223. here we go again, A/C
  224. 84 eldo trouble
  225. help
  226. fuel meter cover gasket...
  227. Makes no sense...
  228. car stutters intermittently under med/heavy acceleration
  229. Missing Antifreeze
  230. Severe Coolant Leak 4.9
  231. peformance chips
  232. 4.9 Bosch GenIII Injector - ??Integrator, Block Learn, x-count, p.w. values??????
  233. won't idle
  234. New code?
  235. Caddy V-8 history
  236. voltage regulator...?
  237. 4.5 running rough at start -- tune up????
  238. e.g.r. valve
  239. 94 Deville Help!!
  240. map sensor
  241. 4.9 aeromotive afpr won't fit!! Help Mr. Illumna
  242. 4.9 throttle body description
  243. Emission test failed
  244. error code 20
  245. break line
  246. 1985 Eldo Gas Leaking out of the Charcoal Can
  247. Distributor Gear Sheared Again...Help!
  248. Climate control Problem???
  249. 1985 Deville Coolant Leak
  250. engine popping