: HT4100 4.1, 4.5, 4.9



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  1. 83 Eldorado 4.1 auto OD Trans Model # Please
  2. 1986 deville 4.1L
  3. Sedan Deville 4.1 to 4.5 Disaster Swap “This time I got right” part 2
  4. 89 Seville ignition switch click - VATS?
  5. Which a/c compressor to buy for round 4...advice please
  6. Carnut, got it to work, Thanks !
  7. wont start when warm
  8. B336 code, 86 seville
  9. transmission parts and specks
  10. Transmission advice
  11. 4.5-4.9 less inclined for h.g. problems
  12. Transmission Cooler Lines
  13. Severs Idle Problem
  14. 83 Eldo 4.1 Hesitation upon accelleration
  15. Coolant Change and GM Sealant Questions
  16. 95 DeVille PCM Codes
  17. Cleaning an ISC motor from a 1989 Seville
  18. Water in oil - Head/intake maniforld gasket job
  19. Loud bang, car won't turn over. 4100 '82 Deville
  20. Coolant Leak
  21. A/C Compressor Clutch Engagement Issues
  22. 83 Eldo 4.1 Climate Control only lights sometimes
  23. 1989 Deville code help
  24. 1989 Deville code help
  25. 83 4.1 overheated, now, an ISC problem !
  26. car doesn't switch to 3rd gear
  27. Performance 4.9
  28. New Life
  29. 92 Deville 4.9 FPR
  30. plug wire routing conduit/loom
  31. Alternator Pulley
  32. 88 Sedan Deville 4.5L intermittently starts, sometimes dies driving
  33. gear indicator fault :(
  34. 4100 Fuel Problem - Advice Please...
  35. A/C Bypass Belt for 4.5L w/Calif Emissions
  36. i need advice from a tech!!!!!!
  37. HELP! 4.9 Missing and Dist. cap clicking!
  38. 85 eldo 4.1
  39. ht 4100 crankshaft flange 9Harmonic balancer) removal tool?
  40. Mystery drainage of radiator?
  41. Finally replacing 4.9 main bearings
  42. 4.9l stumble
  43. my 4.1 compression numbers
  44. A/C Bypass belt length for 4.9
  45. engine stopped while driving on highway, inside temp not right
  46. The worst gas miliage ever
  47. 86 Seville, 4.1, low idle in drive
  48. electrical diagram needed ASAP
  49. 4.5 questions
  50. 4.5 Miss under full throttle
  51. Reverse slipping?
  52. ignition!!!!!!!!
  53. 4.9 liter--replacing heater core "hoses".
  54. 1982 Deville check engine light
  55. Cruise Control Problem!!
  56. anyone know tps ranges
  57. stripped head bolt please help!!!!!
  58. 1992 Deville fails NOx emissions test
  59. Question Regarding '85 Eldo TPS Fix???
  60. Water Pump Inlet Repair help
  61. I'm afraid to buy these cars ....
  62. Another question - 89 Seville air conditioning leak
  63. 1989 Seville code E13 Oxygen sensor not ready
  64. 1987 - 1989 Fan Control Module
  65. 85 Seville HT4100
  66. How common is this?
  67. deville 4.5 and gm taps
  68. question engine deville 4.5
  69. 4.9 Unstable Idle
  70. torque converter portability
  71. 4.5 High Rev
  72. Oil Feed Pipe o-ring
  73. side gaped spark plugs on a 4.x
  74. 1994 Cadillac Deville,4.9L
  75. 4.9 reverse flow cooling
  76. 4.9L '93 Seville: How do I replace the pickup coil?
  77. All oil gaskets/seals on engine RH side
  78. 4.5 comparied to a 4.9
  79. Th-th-th-that's all folks!
  80. HT 4100 4.1 motor problems - giving up
  81. Power Steering Pum Removal on 4.9
  82. car took a dump today
  83. sings of a head gasket falure in a 4.5
  84. 4.5L engine runs rough
  85. Fuel Injection Cleaning?
  86. Fan Belt Upside Down on Ebay Car?
  87. 92 Cadillac Eldo AC Leak near the fire wall
  88. 4.9l Rpm
  89. 4.9 RWD 5 speed
  90. Can anyone interpert this A/C gauge reading??
  91. clamp-down dist caps
  92. In need of some numbers....
  93. Throttle body spacers on a 4.? engine
  94. HT4100 SES light @ low RPM, much stalling & near stalling
  95. 1992 4.9 injector replacement
  96. Need wiring diagrams.
  97. A/C refrig. temp. sensor question?
  98. Cannot getg into E.6.3 ISC Motor
  99. Sedan Deville 4.1 to 4.5 Disaster Swap “This time I’ll get right”
  100. Pain at the pump and the inspectors
  101. Your advice on the HT 4100 needed/appreciated
  102. 4.9L coolant leak
  103. high output alternator
  104. Have to pump gas pedal to get it to start, then it runs fine??
  105. 4.1 Spark Plug Wires Problem Solved (Maybe)
  106. Weak Battery + Hot Engine - Bad Alternator?
  107. Plug Gap on 4.9L??? (also Bosch Injector Question)
  108. where are the major grounding straps?
  109. I Have Codes... Can anyone interpret?
  110. "illumina" and other Gurus
  111. Fuel Type?
  112. 91 Deville Distributor Coil wiring diagram
  113. Head gasket maybe but hope not!
  114. 4.9 has irratic idle can you help
  115. '86 DeVille rear main seal
  116. where is this supposed to connect
  117. last problem with HT4100 (I hope)
  118. 92 Deville, accelerated on it's own. Friend kinda fixed it but now..
  119. 1991 Seville 4.9L Engine Stumble (TECH PLEASE)
  120. New throttle position sensor?
  121. New Transmission Fluid and Filter
  122. engine pinging off the line?
  123. radiator 1983 Eldorado refurb?
  124. 4.9 ticking when cold
  125. Stop Engine - Oil Light on 1988 4.5L V8
  126. 93 Started, now can't keep belt on
  127. engine pinging???
  128. no chime? cant' open gas lid?
  129. think these are the same parts?
  130. 4.5 Computer Tachometer
  131. Air cleaner cold start door
  132. The Surge - in my 4.9, not Iraq...
  133. 4.9 switched to 87 oct., hard starts, re-time?
  134. 92 deville sound at engine starts and stops
  135. 93 SD 4.9 Gurgling back into the overflow tank
  136. When you buy a remain. ecm, does it come already flashed?
  137. 93 Won't Start
  138. 93 Seville 4.9-Crank position sensor location?
  139. '93 Eldorado - Relays - ELC System
  140. Got new plugs/wires installed on 4.9 today.
  141. 93 deville "CHUNKing" while reved in park or nuetral.
  142. cost of tps
  143. latest 4.1 repairs
  144. 91 Caddy DeVille Sedan Belt
  145. 82 deville tranny problems
  146. 4.1 Question
  147. 1984 Fleetwood 4.1
  148. Trouble codes?
  149. I need a new throttle body
  150. 4.9 timing chain replacement ?
  151. Popular car... at the junkyard
  152. 4.9 swap
  153. Code E26 and E27
  154. 4100? worth rebuilding
  155. Need help finding power steering bracket
  156. 4.1 dampener pulley bolt
  157. ht4100- stop engine-oil pressure light flickers
  158. "The Cadillac 4.1 liter engine is beyond hope for this formula"
  159. 94 Deville won't start
  160. '94 Deville 4.9l torque conv. clutch prob?
  161. 1986 Eldorado stalls under stress
  162. 4.9's torque
  163. Right the wrongs in a 4.1 (4100)
  164. 4.9 engine
  165. 4.9 liter vanity cover removal.
  166. The Mythical 4.9 performance Chip
  167. 4.5 Liter - Last chance before I need to give it up.
  168. Possible ECM problem
  169. Got mother's 1985 Fleetwood Brougham with HT4100
  170. Member 92 Seville 89 - Old Threads
  171. Water Pump Tasks ahead
  172. wont start cold
  173. egr question
  174. Problem of the day :)
  175. 2002 DTS trouble
  176. 250 or 252?
  177. 4.9 isc adjustment: Thanks Ranger
  178. 4.5 engine swap
  179. Hall Effect
  180. How do you get to the back of the FDC
  181. 4100 RWD replacement source
  182. mechanical water temp guage
  183. deck height and bore spacing
  184. 88 4.5L Running rough
  185. 90 eldo-possible tranny issue and engine issue
  186. Exhaust Muffler
  187. 4.9 litre--flat tappet engine?
  188. 4.1 to 4.5
  189. New to Throttle Body Injection?
  190. Haynes or Chiltons
  191. 4100 Updated intake gasket set
  192. '93 Eldorado, 4.9L - Partial Fire, No Start
  193. How do you clean 4.5 throttle body?
  194. oil change
  195. Crazy Coolant Temperatures
  196. Mustard like substance in radiator
  197. Help my 91 cadilliac deville 4.9
  198. Two Problems Not Starting and Stalling
  199. 4.9 water pump
  200. Broken Upper Radiator Hose Connector
  201. 1994 Sedan Deville questions...
  202. Piston 6 hits sparkplug - Bad timing
  203. Coupe Deville 4.5 Rough Running
  204. new and need some help please!!!!!
  205. What should I do, buy or walk? 89 Coupe Deville
  206. E20 - Open Fuel Pump Circut Feedback Signal
  207. 4.1 Running Bad Again
  208. 4.5 Allante Intake on a 4.9 Eldorado
  209. heat issues!!!!
  210. Need Help ASAP!!!!!!
  211. Lound thump when shutting off engine, then no restart
  212. 4.9 Oil Filter ??
  213. 4.9 and spark knock
  214. I really need help, please!
  215. will my 4.9 fit?
  216. I'm going to try the 4.1->4.9 conversion
  217. 1986 cadillac Stalling up hills, need help ASAP
  218. Case of the Evil Tranny
  219. Question when torquing headbolts 4.9L
  220. Synthetic oil no no in 4100
  221. New brain wracking symptom...
  222. For those of you with coolant loss issues.
  223. '93 Eldorado, 4.9L - Bad Fuel Pump?
  224. 4.1 Spun a cam bearing,
  225. C bieng displayed
  226. Is this engine rebuildable?
  227. Flowmaster Exhaust for a 4.9 Deville
  228. A/C Compressor Belt Bypass - 89 Deville 4.5
  229. all 4100's interchangable?
  230. car surges badly when stopping
  231. Blown Head gasket
  232. RPO Code of the 90 4.5L V8?
  233. 4.9 stalls
  234. Choke?
  235. New Member Introduction
  236. Allante HT4100
  237. 4100 Book
  238. replacement fuel injectors
  239. how hard is it to drop the oil pan
  240. HT4100 Recommended Oil Viscosity
  241. Tuning for E10 gasoline
  242. 4.9l oil leak
  243. Poor gas mileage/Sensors, please help a bit!
  244. HT4100 PCV valve, location?
  245. Can fuel injector effect the map sensor and how it function
  246. Losing coolant when the heat is turned on.
  247. 4.9L 1995 deville car ran out of gas but wont start
  248. VIDEO of HT4100 WOT
  249. Radiator Drain Plug
  250. 86-87 Seville, Eldorado 4.9L Swap