: HT4100 4.1, 4.5, 4.9



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  1. new Tranny
  2. Serpenting belt - when to change?
  3. 1993 DeVille ISC Problem
  4. Thanks All
  5. 95 4.9l deville idle problem
  6. Throttle to the moon....
  7. 1990 Deville-- Code E41
  8. still has problems
  9. Help Diagnosing Noise
  10. Bad tps 93 deville
  11. Catalytic
  12. something loose on intake manifold?
  13. What would cause an O2 sensor to turn red?
  14. Putting Restore in my 93 Deville
  15. 93 deville problems
  16. Merry christmas!
  17. The 325-4l dipstick I broke inside fill-tube...
  18. repair shops in oakland, ca.
  19. Valves...4100
  20. Rocker Arm Guide...what?
  21. Fuel Pressure
  22. 93 Deville main bearing thump
  23. Finding Used 4.9l engine assembly's
  24. EGR Tubes clogging up
  25. Power steering pulley
  26. Distributor removal and install on 85 rwd ht4100
  27. Timing Mark bouncing around
  28. Oil Filter Analysis
  29. 91 devillle heater issue
  30. Engine knock - 4.9L w/ 90k
  31. 94 4.9 Weird Rattle Question...
  32. 88 Eldorado, Code B127, E040, No Gears
  33. Strange problem Seville 90
  34. engine shake - 91 el dorado 4.9
  35. 86 deville intake
  36. no start probs
  37. 1995 4.9 cam sync check engine??
  38. 92 Eldo 4.9 43k
  39. 90 SDV won't run, timing chain?
  40. 1991 DeVille 4.9L water pump
  41. 4.1,4.5,4.9..Which You Prefer?
  42. Cadillac mechanic
  43. did they get better?
  44. replacement power antenna
  45. Rough 4th gear
  46. How to replace motor and transmission mounts 1990 Deville 4.5L V8
  47. 1984 Coupe Engine Oil Cooler lines
  48. E48 Code- EGR FAULT
  49. Injector cleaner, will it work?
  50. 4.9 ping!!!
  51. 1990 Seville enginemiss
  52. 1990 4.5 intake gaskets
  53. Cadillac Deville 4.9l Engine Problem
  54. 4.1 L digital engine
  55. 4.1 Motor? Rattles/Engine Pinging?
  56. 4.9L head bolts 1993
  57. P048 EGR code on 4.9L
  58. What gives?
  59. The Best Kind of Motor Oil For 87 Deville HT4100
  60. i have code E52 - PCM Memory Reset how do i do this ?
  61. Gas mileage gone to hell
  62. idle faster after change timming
  63. 4.9 Power Steering Pulley Slipping
  64. 4.9 Upper a/c compressor bracket
  65. 4.9 knock
  66. high fuel consumption..?
  67. 4.9 issue...
  68. Drive belt routing for 4.9L ???
  69. 92 STS Electrical Short or Drain
  70. where to buy mounting bracket for PS pump?
  71. 1993 Sedan Deville Transmission Swap
  72. rpm question
  73. Code 26 & 41 '91 4.9
  74. Question re: engine swap for 85 FW coupe RWD
  75. 1993 Cadillac DeVille 4.9L Distributor Shot
  76. Fuel pump and FPR recommendations?
  77. Could bad motor mounts cause stumbling on light acceleration
  78. Judgement Call - No Heat 93 Deville
  79. Motor is very clean in my 4.9
  80. Cold Air Intake/Exhaust
  81. 84 eldo. antena
  82. Symptoms of faulty distributor pick up coil
  83. I finally switched from dexicool
  84. Misfire at idle and sumble under acceleration 93 4.9
  85. Refilling colant reservoir every 2 weeks, misfire at idle
  86. 4.9. Overheating (long post)
  87. 4.9 Pictures and sound clip!
  88. 84 deville 4.1 starting prob's help please
  89. 90 Seville Dies Suddenly....
  90. when should timing chain be replaced on 93 deville 4.9
  91. Motor Mount Replacement
  92. No heat at 90 degrees on climate control 93 caddy
  93. 4.1 V8 PUlleys!
  94. 93 deville sits very low in rear time for shocks and coil spring?
  95. Adding NITROUS to a 4.5
  96. Preventive maintenance ('90 with 28k miles)
  97. 4.1 Issues with 85 Eldorado -- Can you help?
  98. Best oil Mobil 1 High mileage for 93 deville 4.9 with 102,000 miles
  99. PLEASE HELP 93 DEVILLE 4.9 Stumble under light acceleration
  100. 4.9 What's the best antifreeze to use?
  101. 93 deville surging
  102. 88 ELDO new r134 Failed Twice??
  103. How reliable will my 4.9 be?
  104. Blower fan ideas wanted
  105. 90 deville front cover gasket failure
  106. New Owner with '86 Fleetwood Seventy Five Limo
  107. 4.9 Coolant overfill reservoir not draining into radiator when cold
  108. 1992 Seville 4.9 Liter Removal
  109. ht 4100 to sbc 350 motor mount pad location HELP!
  110. Brakes
  111. 93 deville oil lev
  112. Confused about seal tabs
  113. 84 eldo-4100HT
  114. HT4100 Care and Upkeep
  115. tranny sounds
  116. oil pump again
  117. Mufflers???
  118. 4.9 How long will it last?
  119. 4.5 Reliability
  120. Sawping Out a 4.9
  121. How do you convert 80's model to R134
  122. Have you used sea foam?
  123. distributor wrench
  124. 84 eldo-4100HT
  125. Coolant.
  126. 84 Eldorado Transmission Problems
  127. 1985 Eldorado 4100 engine swap
  128. Da Capts Back with his 4.9 Fiero lots of updates
  129. here we go again, A/C
  130. 84 eldo trouble
  131. help
  132. fuel meter cover gasket...
  133. Makes no sense...
  134. car stutters intermittently under med/heavy acceleration
  135. Missing Antifreeze
  136. Severe Coolant Leak 4.9
  137. peformance chips
  138. 4.9 Bosch GenIII Injector - ??Integrator, Block Learn, x-count, p.w. values??????
  139. won't idle
  140. New code?
  141. Caddy V-8 history
  142. voltage regulator...?
  143. 4.5 running rough at start -- tune up????
  144. e.g.r. valve
  145. 94 Deville Help!!
  146. map sensor
  147. 4.9 aeromotive afpr won't fit!! Help Mr. Illumna
  148. 4.9 throttle body description
  149. Emission test failed
  150. error code 20
  151. break line
  152. 1985 Eldo Gas Leaking out of the Charcoal Can
  153. Distributor Gear Sheared Again...Help!
  154. Climate control Problem???
  155. 1985 Deville Coolant Leak
  156. engine popping
  157. 91 Coupe replaced injectors now blowing smoke
  158. 1995 Deville Hi Performance Ideas anybody????
  159. 4100 vacuum diagram
  160. 4.1 belt tensioner
  161. HT 4.X base timing question
  162. 2005 4.1 PCV Valve
  163. 1985 DeVille Collant Temp Fan Light
  164. new to me 92 sdv,need some help
  165. just wondering
  166. 87 Eldo Cash for Clunker: Heresy?
  167. sudden engine probs
  168. brand new problem
  169. 94 4.9 Distributor question
  170. Plastic Radiator Side Tanks
  171. How to check cat. converter?
  172. 94 Deville 4.9 where is the governor
  173. 92 Eldo problem
  174. Cruise control gone 4.1 87'seville
  175. 94 Sedan Deville A/C Question
  176. fuel injectors interchange?
  177. ht4100 giving me problems
  178. 4.1L tune up and oil on manifold.
  179. Need help on a '90 Cadillac Fleetwood FWD
  180. 91 deville service engine soon
  181. DIN radio in '92 Eldorado
  182. Your best 4.X MPG?
  183. 1991 4.9
  184. 90 SDV Repeated E22 TPS Code
  185. silly question
  186. you helped me last time (weird fuel pump)
  187. 90 SDV Repeated E22 TPS Code
  188. 4100 engine change. Need input.
  189. egnine oil cooler hose assemblies
  190. 92 4.9 starter replacement
  191. How many miles?
  192. water pump wrestling
  193. Head gasket change
  194. Error code 34 on 83 deville
  195. Advanced Timing
  196. gearbox oil..?
  197. Is gas safe
  198. Using a laptop for real-time OBD
  199. '94 4.9 rough running
  200. 4.9 litre engine firing order
  201. 1986 Eldorado HT4100: No Start-No Codes
  202. 1986 Eldorado HT4100
  203. '91 Deville 4.9L surging
  204. 94 4.9L will not start. Need help
  205. Idling Down rough?
  206. 86 Eldorado Fuel Pump
  207. 91 fleewood won't start code31
  208. Did I blow head gasket on 93 deville?? Please Help!
  209. Vaccum Line Problem?
  210. Replacing a blower motor - what's the secret?
  211. oil pump driveshaft is loose???
  212. 1984 Cadillac Eldorado (my topless baby)
  213. Hard starts when hot?
  214. oil pressure gauge installation
  215. couple of questions regarding oil pump
  216. HT4100 Cooling water doesn't circulate (87' Seville)
  217. removing oil pan on RWD 4.1
  218. Turbo 4.1 Allante
  219. radiator caps with zinc anode
  220. What a mess!!!
  221. High Side AC Hose Information Needed
  222. Squeeling betty
  223. 92 deville no acceleration when hot
  224. Where is the PCV valve on the 4.9L?
  225. Performance?
  226. 93 Seville 4.9 4t60E
  227. Vacuum Line Routing Egr Solenoid & Regulator
  228. Bad CTS?? (coolant senor)
  229. Name this tube! 90 DeVille
  230. 4.5 Fuel Injector Issues
  231. HT4100:major oil leak
  232. What engine/trans appear in various Cadillacs?
  233. FWD Engine Removal
  234. Coolant Change Question
  235. Stripped4.9 headbolt
  236. Fooling the Inlet Air Temp (IAT) sensor?
  237. exhaust manifold installation question
  238. PCM FI Driver Damage ? (Re-visited)
  239. 4.9L Main Bearing Thump
  240. 1993 4.9 rough at low RPM
  241. ht4100 issues
  242. PCM FI Driver Damage ?
  243. DeVille 4.9 Throttle body spacer
  244. Throttle body spacer
  245. Hot exhaust
  246. E24?
  247. 4.9 Water Pump....OR ?
  248. Stalling and Surging--Need help
  249. Relocate the oil filter on your 4.9
  250. SSS light on?