: HT4100 4.1, 4.5, 4.9



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  1. Lurching '91 Deville
  2. Can FWD HT 4100 eng and transmission be installed together?
  3. '82 Fleetwood D'elegance coupe problem :(
  4. replacing water pump on my old '84 DeVille 4.1 engine
  5. What are the symptoms of CVJ’s failing?
  6. distributor question
  7. Car not starting
  8. Problem with 1990 Seville 4.5
  9. change spark plugs, 1989 seville 4.5
  10. Oil Leaking from "Everywhere"
  11. 4.1 to 4.1 swap, how hard can it really be???
  12. School of hard knocks
  13. 90 deville 4.5 stalling problems
  14. 1983 Eldorado engine running problem!
  15. Carburetor on V8 4100 HT Eldorado 1985 ?
  16. need some help with my 1994 Deville 4.9L v8
  17. Did I miss anything?
  18. hard starting 1997 STS
  19. 1991 Cadillac Biarittz - Engine problem.
  20. First Caddy Questions
  21. The best engine to put in my Eldo Cadillac?
  22. Stumped!
  23. 1990 cadillac deville
  24. Please Help - error code 19 on 84 Deville ht4100
  25. Fuel Pump Relay - 84 Deville HT4100
  26. Where is the oil pressure switch located - 84 Deville HT4100
  27. Remanufactured 4.1 available
  28. 4.9 Belt Tensioner Question
  29. Rough Running 4.9 - Please Help !
  30. Removing the AIR pump, HT4100
  31. 4T60-E Transaxle, feels like park paw spring is worn out.
  32. Seville Swap: from 83 HT4100 to 81 368
  33. 86 seville 4.1 low engine power-issue
  34. leftover 4.x parts
  35. 4.5 RWD engines for sale?? would this work??
  36. '85 Seville HT 4100 MAP location & mystery connectors ?
  37. awesome 440T4->4T65E conversion
  38. Difficult to start engine in Eldorado 1983
  39. Rough Idle on low mileage 91 Eldorado
  40. "system problem"
  41. Purpose for detent switch and kickdown?
  42. Basics for operating ECM on 84 Deville HT4100??
  43. 4.5 Overheating. Need help
  44. PD08 and Spark Timing
  45. Where is the a/c low pressure valve on a 1990 Seville?
  46. 1985 DeVille Whats That, (Fuel System Canister Valve?)
  47. 4.5 will not go into timing mode, desperately seeking advice
  48. Torque Specs
  49. Looking to replace camshaft to fix lack of power & hesitation - ht4100
  50. HT 4100 engine problem
  51. 84 cadillac eldorado ht4100 rough idle at acceleration
  52. ISC Adjustment & the mysterious green connector
  53. Thinking of picking up an '83 Fleetwood HT4100
  54. Advice, please: 4.9 Cruise Control Cable Stuck
  55. 1995 Sedan Deville HEAD Gasket
  56. 88 seville instrument panel
  57. Need Help with timing/tune-up on 84 Cadillac Deville HT4100
  58. Bad Misfire on Low Mile 4.9 (1991 Eldorado)
  59. thinking about getting mods on 4.5
  60. Vapor Canister Filter
  61. Oil for 4100
  62. Code E49 Air Injection System Fault
  63. 4.5 distributor removal
  64. significant improvements in 94/95 4.9?
  65. Name the Emission Tube for 1990 4.5
  66. source for 4.x cylinder sleeves
  67. 4.9 throttle body interchange data
  68. Engine Swap Process
  69. 4.9 Individual Throttle Body project
  70. 91 Deville - skipping and no 1st or 4th gear-HELP
  71. 96 deville alternator
  72. Falling MPG - 1990 Deville/Fleetwood
  73. 4.5 carb and distributor conversion
  74. A/C Repair
  75. 4.9 running rough after spark plug change Help!
  76. New annoying message: "Change Oil Soon" (just changed it last month!)
  77. 4.9 Horrible Idle
  78. 1993 Distributor, and Minimum Air
  79. 4.1L Idle Speed Issues
  80. 4.9 blown head gasket
  81. codes i pulled from my cadi
  82. idle engine engine hot please help
  83. Oil in coolant, 4.5
  84. 1985 Cadillac El Dorado water pump!
  85. Bad A/C Delco Waterpump. 91 Eldo 4.9 Anything better than AC Delco Waterpumps?
  86. 90' 4.5L Deville Head Bolt Leaking
  87. 4.9 no crank
  88. car is dieing at idle. P048 current trouble code.
  89. 93 Seville 4.9L sporadic miss at idle. Spark Plugs?
  90. Intermittent throttle sticking
  91. Looking for HT4100 Cylinder head guide pin
  92. E 90 Code - VCC Brake Switch Signal Problem
  93. squeeling under the hood
  94. Broke hose
  95. A Time To Celebrate
  96. 7mpg average! Help if anyone can.
  97. Heater Core Replace BRRR COLD!
  98. WARNING! 4.9L Dayco Tensioner Pulley warning: DO NOT BUY #231081!!!
  99. Throttle Questions
  100. HT4100 (4.5 sleeves) Head Bolt Torque Sequence and Specifications?
  101. 1986 Seville HT4100-Overcooling issue
  102. Can't find the engine temperature switch.
  103. Need Help PLEASE HELP!!! Oil dipstick problem
  104. Cold Air Intake?
  105. Oil pan and pump
  106. Can bad ECM cause 85 fleetwood brougham ht4100 miss bad, backfire and barely run?
  107. New Car Got Questions????
  108. the notorious 4.1 thump
  109. Recently rebuilt 85 ht4100...was fine....all of a sudden struggling and backfiring
  110. 4100 Valve train not oiling
  111. E49 code and possible solutions.
  112. timing
  113. 1990 Seville-Message DTC R026 / RO33
  114. E47
  115. burning
  116. e23 and e27
  117. Idle speed control problem? 90 Deville 4.5
  118. E37 code manifold air temp. sensor
  119. 85 fleet ht4100 fwd
  120. Disributor slop question
  121. 1988 Cadillac DeVille 4.5L gas gauge issue
  122. Fuel Line
  123. 4.9 oil pump in 4.5
  124. Colder Spark Plugs
  125. Twinkling lights
  126. Stainless steel exhaust, 90 Deville
  127. 4.1 Intial Timing Question
  128. 92 Deville stalling and backfiring
  129. 4.1 TPS Question
  130. 4.5L Deville runnability issues/ emissions problems
  131. Can I supercharge my 2008 STS AWD?
  132. 85 eldo w/4100
  133. UGH watter pump gasket
  134. Do Not Overfill!
  135. Techheads, answer me this:
  136. allante 4.5! awesome
  137. Replacing head gasket on 1992 4.9
  138. Fuel Imbalance (Left and Right Bank)
  139. leaky rear main oil seal
  140. Persistant Leaking
  141. Coolant Header Tank
  142. Exhaust manifold gaskets
  143. How to adjust idle speed on '91 Eldorado 4,5l V8 ?
  144. Do I have a blown head? And should I replace my motor? 93 Sedan Deville 4.9L V8
  145. What engines are compatible with 93 Sedan Deville?
  146. 4100 to 307 swap (ITS ALIVE!)
  147. high idle after washing engine
  148. spark plugs
  149. 4.9 stumbling right off idle
  150. @50MPH & above; Doggy and slight vibration
  151. Trying to Identify this Hose
  152. 4.1 to a 4.5
  153. 4.x perf options
  154. 93 deville turn signal problems
  155. Oxygen Sensor Code 44
  156. 4.5 in an Isuzu Trooper
  157. 1990 Fleetwood fwd 4.5L Surges and looses power when warm
  158. 84 Eldorado torsion bar anchors
  159. power steering pump bracket
  160. cooling fans
  161. need to replace a couple fuel injectors, any advice before pulling the fuel rail, etc
  162. 84 eldo. antena
  163. replacing a 4.1
  164. Where do I connect Tach
  165. So how old is too old for injectors?
  166. 4.9L missing
  167. Ht4100 question
  168. HT4100 Exhaust Manifold Gaskets
  169. Transmission is shot
  170. 93 deville running great
  171. Fuel Pump runs, but car won't start!
  172. 4.5 distributer 180 out?
  173. 4.9 Distributor / Timing question
  174. Changing Final Drive ratio/ ECM tuning
  175. looking for a good 4100 mechanic
  176. '84 4.1 idles up and down when the A/C is on
  177. Transmission acting funny
  178. HT4100 upkeep and maintenence
  179. P.A.S.S. security system
  180. What is effected by an E0112?
  181. Clunkin Sound
  182. lost my top-end
  183. What is F15 code? ('90 DeVille 4.5)
  184. '84 Eldorado 4100 vacuum readings
  185. Interchangeability HT4100
  186. O2 sensors : 1 righ and 1 lean
  187. Just wanted to thank you guys
  188. '92 Fleetwood DeVille random stalling
  189. New Life in my 94 caddy
  190. Anyone done a 4100 head gasket replace?
  191. Low oil pressure - stop engine
  192. Fuel pump running, car not....
  193. 1996 deville with 200 deville engine swap.Possible??
  194. 92 Eldorado Valve Cover Gaskets
  195. HT4100 engine vacuum lines with pics
  196. 92 4.9L, not sure if radiator fans are coming on
  197. Shorted MAP Sensor Signal
  198. 85 HT4100 new remanufactured motor
  199. S10 Chevy p'up; swap in a 4.5 or 4.9?
  200. Replacing the starter on a 1987 Cadillac Eldorado with 4.1L V8
  201. 4T60-E + Ratchet Shifter
  202. 85 HT4100 smokes when shut off?
  203. Intake Gaskets
  204. Gaggle of codes, ugh!
  205. HT 4100 no oil pressure new rebuilt motor
  206. rebuilt HT 4100 no oil up top or oil pressure
  207. Opinions on my very special '93 FWD C-Body
  208. 4.1 oil leak
  209. 92 deville wont start
  210. Tunercats
  211. chugging and backfiring intermittently. No codes
  212. 1992 4.9 Coolant Mystery
  213. 90 4.5 exhaust manifold threads
  214. EGR interchange
  215. 4.9 fuel pump question
  216. The DIY Injector Test Bench
  217. Wont start please help
  218. Loss of electrical; intermittent problem
  219. Alternator
  220. Distributor Sound
  221. Tired of &^%$ injectors!
  222. egr problems?4.9
  223. Help with '91 ETC codes.
  224. ECM interchangeability and swap
  225. 1991 Deville Leaking Coolant near water pump
  226. ECM specs, where do I find them?
  227. Outside temp
  228. No oil up top, what am I missing?
  229. ECM injector driver damage?
  230. Thoughts on supercharging 4.9
  231. Anyone Need a 90 deville FSM
  232. broke down before belt came off pump and belt tensioner bracket cracked
  233. Steering
  234. getting wierd OBD I codes what is it bad computer?
  235. 4.9 ever used in a hearse?
  236. need help antifreeze leak 4.9 1993 deville
  237. ok just need some info
  238. 4.5 head gaskets
  239. Code 52.
  240. 84 Seville 4.1L with "Random Toyota Acceleration" issue
  241. cooling fan module
  242. 4.5 intake manifold gasket progress
  243. 4.9 main mearing thump getting worse?
  244. lost of power
  245. 4.9 a little jittery at idle
  246. Power brake booster vacuum hose? All Cylinders?
  247. Egr
  248. Goodwrench NEW 4.1 sticker
  249. EGR tubes and TPS question.
  250. Antifreeze on the PCV Valve