: HT4100 4.1, 4.5, 4.9



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  1. HT 4100 engine problem
  2. 84 cadillac eldorado ht4100 rough idle at acceleration
  3. ISC Adjustment & the mysterious green connector
  4. Thinking of picking up an '83 Fleetwood HT4100
  5. Advice, please: 4.9 Cruise Control Cable Stuck
  6. 1995 Sedan Deville HEAD Gasket
  7. 88 seville instrument panel
  8. Need Help with timing/tune-up on 84 Cadillac Deville HT4100
  9. Bad Misfire on Low Mile 4.9 (1991 Eldorado)
  10. thinking about getting mods on 4.5
  11. Vapor Canister Filter
  12. Oil for 4100
  13. Code E49 Air Injection System Fault
  14. 4.5 distributor removal
  15. significant improvements in 94/95 4.9?
  16. Name the Emission Tube for 1990 4.5
  17. source for 4.x cylinder sleeves
  18. 4.9 throttle body interchange data
  19. Engine Swap Process
  20. 4.9 Individual Throttle Body project
  21. 91 Deville - skipping and no 1st or 4th gear-HELP
  22. 96 deville alternator
  23. Falling MPG - 1990 Deville/Fleetwood
  24. 4.5 carb and distributor conversion
  25. A/C Repair
  26. 4.9 running rough after spark plug change Help!
  27. New annoying message: "Change Oil Soon" (just changed it last month!)
  28. 4.9 Horrible Idle
  29. 1993 Distributor, and Minimum Air
  30. 4.1L Idle Speed Issues
  31. 4.9 blown head gasket
  32. codes i pulled from my cadi
  33. idle engine engine hot please help
  34. Oil in coolant, 4.5
  35. 1985 Cadillac El Dorado water pump!
  36. Bad A/C Delco Waterpump. 91 Eldo 4.9 Anything better than AC Delco Waterpumps?
  37. 90' 4.5L Deville Head Bolt Leaking
  38. 4.9 no crank
  39. car is dieing at idle. P048 current trouble code.
  40. 93 Seville 4.9L sporadic miss at idle. Spark Plugs?
  41. Intermittent throttle sticking
  42. Looking for HT4100 Cylinder head guide pin
  43. E 90 Code - VCC Brake Switch Signal Problem
  44. squeeling under the hood
  45. Broke hose
  46. A Time To Celebrate
  47. 7mpg average! Help if anyone can.
  48. Heater Core Replace BRRR COLD!
  49. WARNING! 4.9L Dayco Tensioner Pulley warning: DO NOT BUY #231081!!!
  50. Throttle Questions
  51. HT4100 (4.5 sleeves) Head Bolt Torque Sequence and Specifications?
  52. 1986 Seville HT4100-Overcooling issue
  53. Can't find the engine temperature switch.
  54. Need Help PLEASE HELP!!! Oil dipstick problem
  55. Cold Air Intake?
  56. Oil pan and pump
  57. Can bad ECM cause 85 fleetwood brougham ht4100 miss bad, backfire and barely run?
  58. New Car Got Questions????
  59. the notorious 4.1 thump
  60. Recently rebuilt 85 ht4100...was fine....all of a sudden struggling and backfiring
  61. 4100 Valve train not oiling
  62. E49 code and possible solutions.
  63. timing
  64. 1990 Seville-Message DTC R026 / RO33
  65. E47
  66. burning
  67. e23 and e27
  68. Idle speed control problem? 90 Deville 4.5
  69. E37 code manifold air temp. sensor
  70. 85 fleet ht4100 fwd
  71. Disributor slop question
  72. 1988 Cadillac DeVille 4.5L gas gauge issue
  73. Fuel Line
  74. 4.9 oil pump in 4.5
  75. Colder Spark Plugs
  76. Twinkling lights
  77. Stainless steel exhaust, 90 Deville
  78. 4.1 Intial Timing Question
  79. 92 Deville stalling and backfiring
  80. 4.1 TPS Question
  81. 4.5L Deville runnability issues/ emissions problems
  82. Can I supercharge my 2008 STS AWD?
  83. 85 eldo w/4100
  84. UGH watter pump gasket
  85. Do Not Overfill!
  86. Techheads, answer me this:
  87. allante 4.5! awesome
  88. Replacing head gasket on 1992 4.9
  89. Fuel Imbalance (Left and Right Bank)
  90. leaky rear main oil seal
  91. Persistant Leaking
  92. Coolant Header Tank
  93. Exhaust manifold gaskets
  94. How to adjust idle speed on '91 Eldorado 4,5l V8 ?
  95. Do I have a blown head? And should I replace my motor? 93 Sedan Deville 4.9L V8
  96. What engines are compatible with 93 Sedan Deville?
  97. 4100 to 307 swap (ITS ALIVE!)
  98. high idle after washing engine
  99. spark plugs
  100. 4.9 stumbling right off idle
  101. @50MPH & above; Doggy and slight vibration
  102. Trying to Identify this Hose
  103. 4.1 to a 4.5
  104. 4.x perf options
  105. 93 deville turn signal problems
  106. Oxygen Sensor Code 44
  107. 4.5 in an Isuzu Trooper
  108. 1990 Fleetwood fwd 4.5L Surges and looses power when warm
  109. 84 Eldorado torsion bar anchors
  110. power steering pump bracket
  111. cooling fans
  112. need to replace a couple fuel injectors, any advice before pulling the fuel rail, etc
  113. 84 eldo. antena
  114. replacing a 4.1
  115. Where do I connect Tach
  116. So how old is too old for injectors?
  117. 4.9L missing
  118. Ht4100 question
  119. HT4100 Exhaust Manifold Gaskets
  120. Transmission is shot
  121. 93 deville running great
  122. Fuel Pump runs, but car won't start!
  123. 4.5 distributer 180 out?
  124. 4.9 Distributor / Timing question
  125. Changing Final Drive ratio/ ECM tuning
  126. looking for a good 4100 mechanic
  127. '84 4.1 idles up and down when the A/C is on
  128. Transmission acting funny
  129. HT4100 upkeep and maintenence
  130. P.A.S.S. security system
  131. What is effected by an E0112?
  132. Clunkin Sound
  133. lost my top-end
  134. What is F15 code? ('90 DeVille 4.5)
  135. '84 Eldorado 4100 vacuum readings
  136. Interchangeability HT4100
  137. O2 sensors : 1 righ and 1 lean
  138. Just wanted to thank you guys
  139. '92 Fleetwood DeVille random stalling
  140. New Life in my 94 caddy
  141. Anyone done a 4100 head gasket replace?
  142. Low oil pressure - stop engine
  143. Fuel pump running, car not....
  144. 1996 deville with 200 deville engine swap.Possible??
  145. 92 Eldorado Valve Cover Gaskets
  146. HT4100 engine vacuum lines with pics
  147. 92 4.9L, not sure if radiator fans are coming on
  148. Shorted MAP Sensor Signal
  149. 85 HT4100 new remanufactured motor
  150. S10 Chevy p'up; swap in a 4.5 or 4.9?
  151. Replacing the starter on a 1987 Cadillac Eldorado with 4.1L V8
  152. 4T60-E + Ratchet Shifter
  153. 85 HT4100 smokes when shut off?
  154. Intake Gaskets
  155. Gaggle of codes, ugh!
  156. HT 4100 no oil pressure new rebuilt motor
  157. rebuilt HT 4100 no oil up top or oil pressure
  158. Opinions on my very special '93 FWD C-Body
  159. 4.1 oil leak
  160. 92 deville wont start
  161. Tunercats
  162. chugging and backfiring intermittently. No codes
  163. 1992 4.9 Coolant Mystery
  164. 90 4.5 exhaust manifold threads
  165. EGR interchange
  166. 4.9 fuel pump question
  167. The DIY Injector Test Bench
  168. Wont start please help
  169. Loss of electrical; intermittent problem
  170. Alternator
  171. Distributor Sound
  172. Tired of &^%$ injectors!
  173. egr problems?4.9
  174. Help with '91 ETC codes.
  175. ECM interchangeability and swap
  176. 1991 Deville Leaking Coolant near water pump
  177. ECM specs, where do I find them?
  178. Outside temp
  179. No oil up top, what am I missing?
  180. ECM injector driver damage?
  181. Thoughts on supercharging 4.9
  182. Anyone Need a 90 deville FSM
  183. broke down before belt came off pump and belt tensioner bracket cracked
  184. Steering
  185. getting wierd OBD I codes what is it bad computer?
  186. 4.9 ever used in a hearse?
  187. need help antifreeze leak 4.9 1993 deville
  188. ok just need some info
  189. 4.5 head gaskets
  190. Code 52.
  191. 84 Seville 4.1L with "Random Toyota Acceleration" issue
  192. cooling fan module
  193. 4.5 intake manifold gasket progress
  194. 4.9 main mearing thump getting worse?
  195. lost of power
  196. 4.9 a little jittery at idle
  197. Power brake booster vacuum hose? All Cylinders?
  198. Egr
  199. Goodwrench NEW 4.1 sticker
  200. EGR tubes and TPS question.
  201. Antifreeze on the PCV Valve
  202. Ground Locations?
  203. 4.9 Reluctant to Start, Sometimes Dies at Idle
  204. I think its the alternator
  205. how long to change all motor mounts on 93 deville
  206. Vacuum leak somewhere inside the dash
  207. What problems in removing 4.9?
  208. Spark Plugs: What do YOU run?
  209. 4.9l engine ticking noise: lifter?
  210. 4.5 or 4.9
  211. 4.5 or 4.9 Engine
  212. Pump thump
  213. Replaced intake gasket and messed something up!
  214. When I First Start The Engine...
  215. Failed emissions
  216. 89 Eldorado engine misfire
  217. Ht-4100 rwd info
  218. 4.5 V8 Underpowered? & 92-93 Deville?
  219. HT-4100 oil pan
  220. 89 deville 4.5 antifreeze leak?
  221. The screws with no size...
  222. Does a 4.5 and 4.9 share the same transmission?
  223. 93 deville passed emissions and state inspection but still getting 10MPG
  224. 1993 Cadillac Deville 4.9L computer problem (ISC problem continued)
  225. 95 Deville base 4.9 fuel pressure issues, FPR or fuel pump?
  226. Hopefull found out my problem with my 93 deville 4.9
  227. 4.5L Fuel Injectors (Aftermarket)
  228. Thinking about buying a 1997 cadillac eldorado
  229. HT4100 with serpentine belt
  230. new Tranny
  231. Serpenting belt - when to change?
  232. 1993 DeVille ISC Problem
  233. Thanks All
  234. 95 4.9l deville idle problem
  235. Throttle to the moon....
  236. 1990 Deville-- Code E41
  237. still has problems
  238. Help Diagnosing Noise
  239. Bad tps 93 deville
  240. Catalytic
  241. something loose on intake manifold?
  242. What would cause an O2 sensor to turn red?
  243. Putting Restore in my 93 Deville
  244. 93 deville problems
  245. Merry christmas!
  246. The 325-4l dipstick I broke inside fill-tube...
  247. repair shops in oakland, ca.
  248. Valves...4100
  249. Rocker Arm Guide...what?
  250. Fuel Pressure