: HT4100 4.1, 4.5, 4.9



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