: HT4100 4.1, 4.5, 4.9



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  1. ht 4100 crankshaft flange 9Harmonic balancer) removal tool?
  2. Mystery drainage of radiator?
  3. Finally replacing 4.9 main bearings
  4. 4.9l stumble
  5. my 4.1 compression numbers
  6. A/C Bypass belt length for 4.9
  7. engine stopped while driving on highway, inside temp not right
  8. The worst gas miliage ever
  9. 86 Seville, 4.1, low idle in drive
  10. electrical diagram needed ASAP
  11. 4.5 questions
  12. 4.5 Miss under full throttle
  13. Reverse slipping?
  14. ignition!!!!!!!!
  15. 4.9 liter--replacing heater core "hoses".
  16. 1982 Deville check engine light
  17. Cruise Control Problem!!
  18. anyone know tps ranges
  19. stripped head bolt please help!!!!!
  20. 1992 Deville fails NOx emissions test
  21. Question Regarding '85 Eldo TPS Fix???
  22. Water Pump Inlet Repair help
  23. I'm afraid to buy these cars ....
  24. Another question - 89 Seville air conditioning leak
  25. 1989 Seville code E13 Oxygen sensor not ready
  26. 1987 - 1989 Fan Control Module
  27. 85 Seville HT4100
  28. How common is this?
  29. deville 4.5 and gm taps
  30. question engine deville 4.5
  31. 4.9 Unstable Idle
  32. torque converter portability
  33. 4.5 High Rev
  34. Oil Feed Pipe o-ring
  35. side gaped spark plugs on a 4.x
  36. 1994 Cadillac Deville,4.9L
  37. 4.9 reverse flow cooling
  38. 4.9L '93 Seville: How do I replace the pickup coil?
  39. All oil gaskets/seals on engine RH side
  40. 4.5 comparied to a 4.9
  41. Th-th-th-that's all folks!
  42. HT 4100 4.1 motor problems - giving up
  43. Power Steering Pum Removal on 4.9
  44. car took a dump today
  45. sings of a head gasket falure in a 4.5
  46. 4.5L engine runs rough
  47. Fuel Injection Cleaning?
  48. Fan Belt Upside Down on Ebay Car?
  49. 92 Cadillac Eldo AC Leak near the fire wall
  50. 4.9l Rpm
  51. 4.9 RWD 5 speed
  52. Can anyone interpert this A/C gauge reading??
  53. clamp-down dist caps
  54. In need of some numbers....
  55. Throttle body spacers on a 4.? engine
  56. HT4100 SES light @ low RPM, much stalling & near stalling
  57. 1992 4.9 injector replacement
  58. Need wiring diagrams.
  59. A/C refrig. temp. sensor question?
  60. Cannot getg into E.6.3 ISC Motor
  61. Sedan Deville 4.1 to 4.5 Disaster Swap “This time I’ll get right”
  62. Pain at the pump and the inspectors
  63. Your advice on the HT 4100 needed/appreciated
  64. 4.9L coolant leak
  65. high output alternator
  66. Have to pump gas pedal to get it to start, then it runs fine??
  67. 4.1 Spark Plug Wires Problem Solved (Maybe)
  68. Weak Battery + Hot Engine - Bad Alternator?
  69. Plug Gap on 4.9L??? (also Bosch Injector Question)
  70. where are the major grounding straps?
  71. I Have Codes... Can anyone interpret?
  72. "illumina" and other Gurus
  73. Fuel Type?
  74. 91 Deville Distributor Coil wiring diagram
  75. Head gasket maybe but hope not!
  76. 4.9 has irratic idle can you help
  77. '86 DeVille rear main seal
  78. where is this supposed to connect
  79. last problem with HT4100 (I hope)
  80. 92 Deville, accelerated on it's own. Friend kinda fixed it but now..
  81. 1991 Seville 4.9L Engine Stumble (TECH PLEASE)
  82. New throttle position sensor?
  83. New Transmission Fluid and Filter
  84. engine pinging off the line?
  85. radiator 1983 Eldorado refurb?
  86. 4.9 ticking when cold
  87. Stop Engine - Oil Light on 1988 4.5L V8
  88. 93 Started, now can't keep belt on
  89. engine pinging???
  90. no chime? cant' open gas lid?
  91. think these are the same parts?
  92. 4.5 Computer Tachometer
  93. Air cleaner cold start door
  94. The Surge - in my 4.9, not Iraq...
  95. 4.9 switched to 87 oct., hard starts, re-time?
  96. 92 deville sound at engine starts and stops
  97. 93 SD 4.9 Gurgling back into the overflow tank
  98. When you buy a remain. ecm, does it come already flashed?
  99. 93 Won't Start
  100. 93 Seville 4.9-Crank position sensor location?
  101. '93 Eldorado - Relays - ELC System
  102. Got new plugs/wires installed on 4.9 today.
  103. 93 deville "CHUNKing" while reved in park or nuetral.
  104. cost of tps
  105. latest 4.1 repairs
  106. 91 Caddy DeVille Sedan Belt
  107. 82 deville tranny problems
  108. 4.1 Question
  109. 1984 Fleetwood 4.1
  110. Trouble codes?
  111. I need a new throttle body
  112. 4.9 timing chain replacement ?
  113. Popular car... at the junkyard
  114. 4.9 swap
  115. Code E26 and E27
  116. 4100? worth rebuilding
  117. Need help finding power steering bracket
  118. 4.1 dampener pulley bolt
  119. ht4100- stop engine-oil pressure light flickers
  120. "The Cadillac 4.1 liter engine is beyond hope for this formula"
  121. 94 Deville won't start
  122. '94 Deville 4.9l torque conv. clutch prob?
  123. 1986 Eldorado stalls under stress
  124. 4.9's torque
  125. Right the wrongs in a 4.1 (4100)
  126. 4.9 engine
  127. 4.9 liter vanity cover removal.
  128. The Mythical 4.9 performance Chip
  129. 4.5 Liter - Last chance before I need to give it up.
  130. Possible ECM problem
  131. Got mother's 1985 Fleetwood Brougham with HT4100
  132. Member 92 Seville 89 - Old Threads
  133. Water Pump Tasks ahead
  134. wont start cold
  135. egr question
  136. Problem of the day :)
  137. 2002 DTS trouble
  138. 250 or 252?
  139. 4.9 isc adjustment: Thanks Ranger
  140. 4.5 engine swap
  141. Hall Effect
  142. How do you get to the back of the FDC
  143. 4100 RWD replacement source
  144. mechanical water temp guage
  145. deck height and bore spacing
  146. 88 4.5L Running rough
  147. 90 eldo-possible tranny issue and engine issue
  148. Exhaust Muffler
  149. 4.9 litre--flat tappet engine?
  150. 4.1 to 4.5
  151. New to Throttle Body Injection?
  152. Haynes or Chiltons
  153. 4100 Updated intake gasket set
  154. '93 Eldorado, 4.9L - Partial Fire, No Start
  155. How do you clean 4.5 throttle body?
  156. oil change
  157. Crazy Coolant Temperatures
  158. Mustard like substance in radiator
  159. Help my 91 cadilliac deville 4.9
  160. Two Problems Not Starting and Stalling
  161. 4.9 water pump
  162. Broken Upper Radiator Hose Connector
  163. 1994 Sedan Deville questions...
  164. Piston 6 hits sparkplug - Bad timing
  165. Coupe Deville 4.5 Rough Running
  166. new and need some help please!!!!!
  167. What should I do, buy or walk? 89 Coupe Deville
  168. E20 - Open Fuel Pump Circut Feedback Signal
  169. 4.1 Running Bad Again
  170. 4.5 Allante Intake on a 4.9 Eldorado
  171. heat issues!!!!
  172. Need Help ASAP!!!!!!
  173. Lound thump when shutting off engine, then no restart
  174. 4.9 Oil Filter ??
  175. 4.9 and spark knock
  176. I really need help, please!
  177. will my 4.9 fit?
  178. I'm going to try the 4.1->4.9 conversion
  179. 1986 cadillac Stalling up hills, need help ASAP
  180. Case of the Evil Tranny
  181. Question when torquing headbolts 4.9L
  182. Synthetic oil no no in 4100
  183. New brain wracking symptom...
  184. For those of you with coolant loss issues.
  185. '93 Eldorado, 4.9L - Bad Fuel Pump?
  186. 4.1 Spun a cam bearing,
  187. C bieng displayed
  188. Is this engine rebuildable?
  189. Flowmaster Exhaust for a 4.9 Deville
  190. A/C Compressor Belt Bypass - 89 Deville 4.5
  191. all 4100's interchangable?
  192. car surges badly when stopping
  193. Blown Head gasket
  194. RPO Code of the 90 4.5L V8?
  195. 4.9 stalls
  196. Choke?
  197. New Member Introduction
  198. Allante HT4100
  199. 4100 Book
  200. replacement fuel injectors
  201. how hard is it to drop the oil pan
  202. HT4100 Recommended Oil Viscosity
  203. Tuning for E10 gasoline
  204. 4.9l oil leak
  205. Poor gas mileage/Sensors, please help a bit!
  206. HT4100 PCV valve, location?
  207. Can fuel injector effect the map sensor and how it function
  208. Losing coolant when the heat is turned on.
  209. 4.9L 1995 deville car ran out of gas but wont start
  210. VIDEO of HT4100 WOT
  211. Radiator Drain Plug
  212. 86-87 Seville, Eldorado 4.9L Swap
  213. Water Pump on an '85 fleetwood
  214. engine id
  215. 1994 deville
  216. 4.9 firing order???
  217. Won't start when hot (intermittent)
  218. 92 Deville losing power after turning a corner
  219. 76 Eldo 500 FI Problems
  220. swap 4.1 to a 4.5 or 4.9 in 85 Seville?
  221. swap 4.1 to a 4.5 or 49 in 85 Seville?
  222. More HT4100 Tips
  223. engine knock in my 1994 sedan deville 4.9L
  224. Well, i raced 3 cars in one night with my 4.1
  225. No start, at operating temp, Flooding on restart
  226. Help Ecm/PCM Questions
  227. New Addition to the Family--85 Sedan Deville
  228. Code Analyzer
  229. slight hesitation at cold low-gear
  230. HT4100 chosen as one of the worst engines of all time
  231. Valves too far in advance or too far retarded?
  232. 1992 Cadillac STS 4.9L Issues
  233. Decking out my 4.9
  234. '93 Eldorado 4.9L - P012 & P053 Codes
  235. Urgent Help W/engine
  236. Code e048 what's the trigger?
  237. which O2 sensor for 85 DeVille/HT4100
  238. 4.9 Code 41 Saga Continues!!!
  239. 83 fleetwood 4100
  240. code p091 4.9 94 deville
  241. 1994 deville 4.9
  242. Huge Problem HELP !!!
  243. Cam sensor 4.9
  244. 4100 Newbie needs help!
  245. HT4100 "STOP ENGINE-OIL PRESS" light flickering
  246. Interesting 4.9 symptom, need ideas
  247. Help wth tps (Throttle Position Sensor) problem/ Or just removing Throttle Body
  248. Injector Trouble 4.9
  249. Crank pulley wont spin...
  250. She runs!