: HT4100 4.1, 4.5, 4.9



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