: HT4100 4.1, 4.5, 4.9



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  1. 1993 Distributor, and Minimum Air
  2. 4.1L Idle Speed Issues
  3. 4.9 blown head gasket
  4. codes i pulled from my cadi
  5. idle engine engine hot please help
  6. Oil in coolant, 4.5
  7. 1985 Cadillac El Dorado water pump!
  8. Bad A/C Delco Waterpump. 91 Eldo 4.9 Anything better than AC Delco Waterpumps?
  9. 90' 4.5L Deville Head Bolt Leaking
  10. 4.9 no crank
  11. car is dieing at idle. P048 current trouble code.
  12. 93 Seville 4.9L sporadic miss at idle. Spark Plugs?
  13. Intermittent throttle sticking
  14. Looking for HT4100 Cylinder head guide pin
  15. E 90 Code - VCC Brake Switch Signal Problem
  16. squeeling under the hood
  17. Broke hose
  18. A Time To Celebrate
  19. 7mpg average! Help if anyone can.
  20. Heater Core Replace BRRR COLD!
  21. WARNING! 4.9L Dayco Tensioner Pulley warning: DO NOT BUY #231081!!!
  22. Throttle Questions
  23. HT4100 (4.5 sleeves) Head Bolt Torque Sequence and Specifications?
  24. 1986 Seville HT4100-Overcooling issue
  25. Can't find the engine temperature switch.
  26. Need Help PLEASE HELP!!! Oil dipstick problem
  27. Cold Air Intake?
  28. Oil pan and pump
  29. Can bad ECM cause 85 fleetwood brougham ht4100 miss bad, backfire and barely run?
  30. New Car Got Questions????
  31. the notorious 4.1 thump
  32. Recently rebuilt 85 ht4100...was fine....all of a sudden struggling and backfiring
  33. 4100 Valve train not oiling
  34. E49 code and possible solutions.
  35. timing
  36. 1990 Seville-Message DTC R026 / RO33
  37. E47
  38. burning
  39. e23 and e27
  40. Idle speed control problem? 90 Deville 4.5
  41. E37 code manifold air temp. sensor
  42. 85 fleet ht4100 fwd
  43. Disributor slop question
  44. 1988 Cadillac DeVille 4.5L gas gauge issue
  45. Fuel Line
  46. 4.9 oil pump in 4.5
  47. Colder Spark Plugs
  48. Twinkling lights
  49. Stainless steel exhaust, 90 Deville
  50. 4.1 Intial Timing Question
  51. 92 Deville stalling and backfiring
  52. 4.1 TPS Question
  53. 4.5L Deville runnability issues/ emissions problems
  54. Can I supercharge my 2008 STS AWD?
  55. 85 eldo w/4100
  56. UGH watter pump gasket
  57. Do Not Overfill!
  58. Techheads, answer me this:
  59. allante 4.5! awesome
  60. Replacing head gasket on 1992 4.9
  61. Fuel Imbalance (Left and Right Bank)
  62. leaky rear main oil seal
  63. Persistant Leaking
  64. Coolant Header Tank
  65. Exhaust manifold gaskets
  66. How to adjust idle speed on '91 Eldorado 4,5l V8 ?
  67. Do I have a blown head? And should I replace my motor? 93 Sedan Deville 4.9L V8
  68. What engines are compatible with 93 Sedan Deville?
  69. 4100 to 307 swap (ITS ALIVE!)
  70. high idle after washing engine
  71. spark plugs
  72. 4.9 stumbling right off idle
  73. @50MPH & above; Doggy and slight vibration
  74. Trying to Identify this Hose
  75. 4.1 to a 4.5
  76. 4.x perf options
  77. 93 deville turn signal problems
  78. Oxygen Sensor Code 44
  79. 4.5 in an Isuzu Trooper
  80. 1990 Fleetwood fwd 4.5L Surges and looses power when warm
  81. 84 Eldorado torsion bar anchors
  82. power steering pump bracket
  83. cooling fans
  84. need to replace a couple fuel injectors, any advice before pulling the fuel rail, etc
  85. 84 eldo. antena
  86. replacing a 4.1
  87. Where do I connect Tach
  88. So how old is too old for injectors?
  89. 4.9L missing
  90. Ht4100 question
  91. HT4100 Exhaust Manifold Gaskets
  92. Transmission is shot
  93. 93 deville running great
  94. Fuel Pump runs, but car won't start!
  95. 4.5 distributer 180 out?
  96. 4.9 Distributor / Timing question
  97. Changing Final Drive ratio/ ECM tuning
  98. looking for a good 4100 mechanic
  99. '84 4.1 idles up and down when the A/C is on
  100. Transmission acting funny
  101. HT4100 upkeep and maintenence
  102. P.A.S.S. security system
  103. What is effected by an E0112?
  104. Clunkin Sound
  105. lost my top-end
  106. What is F15 code? ('90 DeVille 4.5)
  107. '84 Eldorado 4100 vacuum readings
  108. Interchangeability HT4100
  109. O2 sensors : 1 righ and 1 lean
  110. Just wanted to thank you guys
  111. '92 Fleetwood DeVille random stalling
  112. New Life in my 94 caddy
  113. Anyone done a 4100 head gasket replace?
  114. Low oil pressure - stop engine
  115. Fuel pump running, car not....
  116. 1996 deville with 200 deville engine swap.Possible??
  117. 92 Eldorado Valve Cover Gaskets
  118. HT4100 engine vacuum lines with pics
  119. 92 4.9L, not sure if radiator fans are coming on
  120. Shorted MAP Sensor Signal
  121. 85 HT4100 new remanufactured motor
  122. S10 Chevy p'up; swap in a 4.5 or 4.9?
  123. Replacing the starter on a 1987 Cadillac Eldorado with 4.1L V8
  124. 4T60-E + Ratchet Shifter
  125. 85 HT4100 smokes when shut off?
  126. Intake Gaskets
  127. Gaggle of codes, ugh!
  128. HT 4100 no oil pressure new rebuilt motor
  129. rebuilt HT 4100 no oil up top or oil pressure
  130. Opinions on my very special '93 FWD C-Body
  131. 4.1 oil leak
  132. 92 deville wont start
  133. Tunercats
  134. chugging and backfiring intermittently. No codes
  135. 1992 4.9 Coolant Mystery
  136. 90 4.5 exhaust manifold threads
  137. EGR interchange
  138. 4.9 fuel pump question
  139. The DIY Injector Test Bench
  140. Wont start please help
  141. Loss of electrical; intermittent problem
  142. Alternator
  143. Distributor Sound
  144. Tired of &^%$ injectors!
  145. egr problems?4.9
  146. Help with '91 ETC codes.
  147. ECM interchangeability and swap
  148. 1991 Deville Leaking Coolant near water pump
  149. ECM specs, where do I find them?
  150. Outside temp
  151. No oil up top, what am I missing?
  152. ECM injector driver damage?
  153. Thoughts on supercharging 4.9
  154. Anyone Need a 90 deville FSM
  155. broke down before belt came off pump and belt tensioner bracket cracked
  156. Steering
  157. getting wierd OBD I codes what is it bad computer?
  158. 4.9 ever used in a hearse?
  159. need help antifreeze leak 4.9 1993 deville
  160. ok just need some info
  161. 4.5 head gaskets
  162. Code 52.
  163. 84 Seville 4.1L with "Random Toyota Acceleration" issue
  164. cooling fan module
  165. 4.5 intake manifold gasket progress
  166. 4.9 main mearing thump getting worse?
  167. lost of power
  168. 4.9 a little jittery at idle
  169. Power brake booster vacuum hose? All Cylinders?
  170. Egr
  171. Goodwrench NEW 4.1 sticker
  172. EGR tubes and TPS question.
  173. Antifreeze on the PCV Valve
  174. Ground Locations?
  175. 4.9 Reluctant to Start, Sometimes Dies at Idle
  176. I think its the alternator
  177. how long to change all motor mounts on 93 deville
  178. Vacuum leak somewhere inside the dash
  179. What problems in removing 4.9?
  180. Spark Plugs: What do YOU run?
  181. 4.9l engine ticking noise: lifter?
  182. 4.5 or 4.9
  183. 4.5 or 4.9 Engine
  184. Pump thump
  185. Replaced intake gasket and messed something up!
  186. When I First Start The Engine...
  187. Failed emissions
  188. 89 Eldorado engine misfire
  189. Ht-4100 rwd info
  190. 4.5 V8 Underpowered? & 92-93 Deville?
  191. HT-4100 oil pan
  192. 89 deville 4.5 antifreeze leak?
  193. The screws with no size...
  194. Does a 4.5 and 4.9 share the same transmission?
  195. 93 deville passed emissions and state inspection but still getting 10MPG
  196. 1993 Cadillac Deville 4.9L computer problem (ISC problem continued)
  197. 95 Deville base 4.9 fuel pressure issues, FPR or fuel pump?
  198. Hopefull found out my problem with my 93 deville 4.9
  199. 4.5L Fuel Injectors (Aftermarket)
  200. Thinking about buying a 1997 cadillac eldorado
  201. HT4100 with serpentine belt
  202. new Tranny
  203. Serpenting belt - when to change?
  204. 1993 DeVille ISC Problem
  205. Thanks All
  206. 95 4.9l deville idle problem
  207. Throttle to the moon....
  208. 1990 Deville-- Code E41
  209. still has problems
  210. Help Diagnosing Noise
  211. Bad tps 93 deville
  212. Catalytic
  213. something loose on intake manifold?
  214. What would cause an O2 sensor to turn red?
  215. Putting Restore in my 93 Deville
  216. 93 deville problems
  217. Merry christmas!
  218. The 325-4l dipstick I broke inside fill-tube...
  219. repair shops in oakland, ca.
  220. Valves...4100
  221. Rocker Arm Guide...what?
  222. Fuel Pressure
  223. 93 Deville main bearing thump
  224. Finding Used 4.9l engine assembly's
  225. EGR Tubes clogging up
  226. Power steering pulley
  227. Distributor removal and install on 85 rwd ht4100
  228. Timing Mark bouncing around
  229. Oil Filter Analysis
  230. 91 devillle heater issue
  231. Engine knock - 4.9L w/ 90k
  232. 94 4.9 Weird Rattle Question...
  233. 88 Eldorado, Code B127, E040, No Gears
  234. Strange problem Seville 90
  235. engine shake - 91 el dorado 4.9
  236. 86 deville intake
  237. no start probs
  238. 1995 4.9 cam sync check engine??
  239. 92 Eldo 4.9 43k
  240. 90 SDV won't run, timing chain?
  241. 1991 DeVille 4.9L water pump
  242. 4.1,4.5,4.9..Which You Prefer?
  243. Cadillac mechanic
  244. did they get better?
  245. replacement power antenna
  246. Rough 4th gear
  247. How to replace motor and transmission mounts 1990 Deville 4.5L V8
  248. 1984 Coupe Engine Oil Cooler lines
  249. E48 Code- EGR FAULT
  250. Injector cleaner, will it work?