: HT4100 4.1, 4.5, 4.9



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