: HT4100 4.1, 4.5, 4.9



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  1. 93 Eldorado clunking under load
  2. 4.1 just cuts out then comes back
  3. Oil pan gasket: Is it worth it?
  4. 4x engine as boat power?
  5. Cat converter exhaust flange
  6. Cooling system sealant
  7. 1983 4.1, 6 mpg in town driving ????
  8. 4.9 Headgasket ?
  9. E13, e44
  10. Help w/ Temp Fan Light on '85 Deville
  11. 15w-40 too heavy for a 61k mile 4.5?
  12. Operating temp: Whats the norm?
  13. The Last Stretch:Tranny Mods.
  14. timing marks
  15. Distributor Wiring Harness Compatability?
  16. Going from conventional to Synthetic - Good or bad?
  17. E46 code
  18. E98?
  19. 4.9 Lifespan?
  20. Return Line Pressure?
  21. 92 seville 4.9L engine problem
  22. alternator question
  23. Odd "Cold" Idle
  24. Rotten 4.1 do they just normally overheat ???
  25. Starter Change
  26. 83 Eldorado No power to HVAC controls or Mileage calculator
  27. Cam position sensor replacement
  28. A.L.D.L connector, setting timing
  29. The 93 SDV is dead!
  30. 1989 Seville Transmission shifts - Vac Modulator?
  31. thinking about 1994 Sedan deville
  32. Will there be a mess
  33. 1990 Eldorado runs ruff
  34. The 6 flexplate to crankshaft bolts
  35. Coolant
  36. Well, found one of my oil leaks...
  37. 92 Deville Shuts of suddenly
  38. Exhaust manifold gasket set
  39. Fuel Pump Cheat?
  40. 1995 Devile 4.9 Oil Leak
  41. Found my oil-leak
  42. Check this guy out: 91 Seville with 'questionable' mods
  43. Hose substution
  44. Thermostat
  45. Which of these?
  46. New Performance 4.9 Injector Mod. and Adjustable Fuel Pressure Regulator
  47. 1994 Cadillac Deville High Idle
  48. 91 deville, dead miss
  49. heater controls 92 eldo.
  50. How many tablets or bars leak?
  51. Distributor Help
  52. Proper Spark Plug Gap for 4.5
  53. 1990 Deville 4.5 help
  54. Yes, I Did It
  55. Harmonic Balance
  56. ECM Swap! PASSkey Question...
  57. Accel Performance Ignition Module: Real or B/S?
  58. 4100 engine temperature
  59. '90 4.5 No Cam Sensor Reference Signal Journey Through Hell!
  60. Ongoing Issues, running rough poor idle
  61. Trans cooler flush
  62. screw the whole thing - i hate the 4100... swap ideas?
  63. oil sender location - 4.1
  64. code po23??? Any thoughts
  65. 4.9 exhaust info
  66. Throttle valve cable '85
  67. oil pressure light came on - towed home
  68. clackin noise 4.9 deville
  69. Oil-leak solved!
  70. WOW this is a 4.9
  71. PO48 Current/ EGR Fault
  72. Oil Pressure
  73. E98 code on 4.5
  74. ...the HG gremlin got me
  75. Help identify 4.9 engine noise (video included)
  76. Head Gasket 91 caddy
  77. Once again......no joy
  78. BCM Location?
  79. Oil-tube gasket & o-ring
  80. 84 cdv 4100
  81. Question on oil leak - 1989 Seville
  82. No Joy....
  83. RTV on Oil-Pan gasket
  84. Block number?
  85. One problem fixed another shows up. Starter
  86. 4.9 Software
  87. How do I bypass PASKEY
  88. Rough running, bad mileage, unstable idle
  89. Trouble Starting When Warm
  90. Clattering noise from engine front area
  91. What is this hose called???
  92. 83 Eldorado 4.1 auto OD Trans Model # Please
  93. 1986 deville 4.1L
  94. Sedan Deville 4.1 to 4.5 Disaster Swap “This time I got right” part 2
  95. 89 Seville ignition switch click - VATS?
  96. Which a/c compressor to buy for round 4...advice please
  97. Carnut, got it to work, Thanks !
  98. wont start when warm
  99. B336 code, 86 seville
  100. transmission parts and specks
  101. Transmission advice
  102. 4.5-4.9 less inclined for h.g. problems
  103. Transmission Cooler Lines
  104. Severs Idle Problem
  105. 83 Eldo 4.1 Hesitation upon accelleration
  106. Coolant Change and GM Sealant Questions
  107. 95 DeVille PCM Codes
  108. Cleaning an ISC motor from a 1989 Seville
  109. Water in oil - Head/intake maniforld gasket job
  110. Loud bang, car won't turn over. 4100 '82 Deville
  111. Coolant Leak
  112. A/C Compressor Clutch Engagement Issues
  113. 83 Eldo 4.1 Climate Control only lights sometimes
  114. 1989 Deville code help
  115. 1989 Deville code help
  116. 83 4.1 overheated, now, an ISC problem !
  117. car doesn't switch to 3rd gear
  118. Performance 4.9
  119. New Life
  120. 92 Deville 4.9 FPR
  121. plug wire routing conduit/loom
  122. Alternator Pulley
  123. 88 Sedan Deville 4.5L intermittently starts, sometimes dies driving
  124. gear indicator fault :(
  125. 4100 Fuel Problem - Advice Please...
  126. A/C Bypass Belt for 4.5L w/Calif Emissions
  127. i need advice from a tech!!!!!!
  128. HELP! 4.9 Missing and Dist. cap clicking!
  129. 85 eldo 4.1
  130. ht 4100 crankshaft flange 9Harmonic balancer) removal tool?
  131. Mystery drainage of radiator?
  132. Finally replacing 4.9 main bearings
  133. 4.9l stumble
  134. my 4.1 compression numbers
  135. A/C Bypass belt length for 4.9
  136. engine stopped while driving on highway, inside temp not right
  137. The worst gas miliage ever
  138. 86 Seville, 4.1, low idle in drive
  139. electrical diagram needed ASAP
  140. 4.5 questions
  141. 4.5 Miss under full throttle
  142. Reverse slipping?
  143. ignition!!!!!!!!
  144. 4.9 liter--replacing heater core "hoses".
  145. 1982 Deville check engine light
  146. Cruise Control Problem!!
  147. anyone know tps ranges
  148. stripped head bolt please help!!!!!
  149. 1992 Deville fails NOx emissions test
  150. Question Regarding '85 Eldo TPS Fix???
  151. Water Pump Inlet Repair help
  152. I'm afraid to buy these cars ....
  153. Another question - 89 Seville air conditioning leak
  154. 1989 Seville code E13 Oxygen sensor not ready
  155. 1987 - 1989 Fan Control Module
  156. 85 Seville HT4100
  157. How common is this?
  158. deville 4.5 and gm taps
  159. question engine deville 4.5
  160. 4.9 Unstable Idle
  161. torque converter portability
  162. 4.5 High Rev
  163. Oil Feed Pipe o-ring
  164. side gaped spark plugs on a 4.x
  165. 1994 Cadillac Deville,4.9L
  166. 4.9 reverse flow cooling
  167. 4.9L '93 Seville: How do I replace the pickup coil?
  168. All oil gaskets/seals on engine RH side
  169. 4.5 comparied to a 4.9
  170. Th-th-th-that's all folks!
  171. HT 4100 4.1 motor problems - giving up
  172. Power Steering Pum Removal on 4.9
  173. car took a dump today
  174. sings of a head gasket falure in a 4.5
  175. 4.5L engine runs rough
  176. Fuel Injection Cleaning?
  177. Fan Belt Upside Down on Ebay Car?
  178. 92 Cadillac Eldo AC Leak near the fire wall
  179. 4.9l Rpm
  180. 4.9 RWD 5 speed
  181. Can anyone interpert this A/C gauge reading??
  182. clamp-down dist caps
  183. In need of some numbers....
  184. Throttle body spacers on a 4.? engine
  185. HT4100 SES light @ low RPM, much stalling & near stalling
  186. 1992 4.9 injector replacement
  187. Need wiring diagrams.
  188. A/C refrig. temp. sensor question?
  189. Cannot getg into E.6.3 ISC Motor
  190. Sedan Deville 4.1 to 4.5 Disaster Swap “This time I’ll get right”
  191. Pain at the pump and the inspectors
  192. Your advice on the HT 4100 needed/appreciated
  193. 4.9L coolant leak
  194. high output alternator
  195. Have to pump gas pedal to get it to start, then it runs fine??
  196. 4.1 Spark Plug Wires Problem Solved (Maybe)
  197. Weak Battery + Hot Engine - Bad Alternator?
  198. Plug Gap on 4.9L??? (also Bosch Injector Question)
  199. where are the major grounding straps?
  200. I Have Codes... Can anyone interpret?
  201. "illumina" and other Gurus
  202. Fuel Type?
  203. 91 Deville Distributor Coil wiring diagram
  204. Head gasket maybe but hope not!
  205. 4.9 has irratic idle can you help
  206. '86 DeVille rear main seal
  207. where is this supposed to connect
  208. last problem with HT4100 (I hope)
  209. 92 Deville, accelerated on it's own. Friend kinda fixed it but now..
  210. 1991 Seville 4.9L Engine Stumble (TECH PLEASE)
  211. New throttle position sensor?
  212. New Transmission Fluid and Filter
  213. engine pinging off the line?
  214. radiator 1983 Eldorado refurb?
  215. 4.9 ticking when cold
  216. Stop Engine - Oil Light on 1988 4.5L V8
  217. 93 Started, now can't keep belt on
  218. engine pinging???
  219. no chime? cant' open gas lid?
  220. think these are the same parts?
  221. 4.5 Computer Tachometer
  222. Air cleaner cold start door
  223. The Surge - in my 4.9, not Iraq...
  224. 4.9 switched to 87 oct., hard starts, re-time?
  225. 92 deville sound at engine starts and stops
  226. 93 SD 4.9 Gurgling back into the overflow tank
  227. When you buy a remain. ecm, does it come already flashed?
  228. 93 Won't Start
  229. 93 Seville 4.9-Crank position sensor location?
  230. '93 Eldorado - Relays - ELC System
  231. Got new plugs/wires installed on 4.9 today.
  232. 93 deville "CHUNKing" while reved in park or nuetral.
  233. cost of tps
  234. latest 4.1 repairs
  235. 91 Caddy DeVille Sedan Belt
  236. 82 deville tranny problems
  237. 4.1 Question
  238. 1984 Fleetwood 4.1
  239. Trouble codes?
  240. I need a new throttle body
  241. 4.9 timing chain replacement ?
  242. Popular car... at the junkyard
  243. 4.9 swap
  244. Code E26 and E27
  245. 4100? worth rebuilding
  246. Need help finding power steering bracket
  247. 4.1 dampener pulley bolt
  248. ht4100- stop engine-oil pressure light flickers
  249. "The Cadillac 4.1 liter engine is beyond hope for this formula"
  250. 94 Deville won't start