: HT4100 4.1, 4.5, 4.9



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  1. question about diagnostics mode - 85 eldo
  2. timing gear. 85 eldo
  3. oil pump qustions - 85 ht4100 eldo
  4. full tune - up / now running a bit wierd 85 eldo
  5. accel supercoil on 85 4.1
  6. quick question 85 4.1
  7. EGR SOLENOID 85 Seville
  8. Please don't tell me my injectors are failing...
  9. EGR Valve. 'P' or 'N' type ?
  10. 85 eldo upcoming purchase questions
  11. 4.9 engine oil pump needed
  12. Timing advance car nut
  13. 1984 Seville 4.1 - need head bolt set
  14. 4.9 Hall effects switch change... turns into new distributor
  15. Can not get 1987 4.1 to run correct or is it even possible without the computer
  16. Mid 80's edorado... Do or dont???
  17. Timing marks for 4.1 1984 engine
  18. 4.1 Oscillating/Hunting idle , any suggestions besides...
  19. Ht4100 Supplement Pellets nowadays ?
  20. 85 Eldorado 4.1
  21. 1991 Seville 4.9 - Idles fine, dies immediately after giving it gas
  22. What year and model is this engine from?
  23. 1985 Eldorado Touring coupe, NO FUEL SITUATION
  24. 82 Seville not idiling or running correctly
  25. 1985 eldorado touring coupe distributor/top dead center help.
  26. 1995 Deville - FPR replacement tips ?
  27. HT4100 pre-purchase help......
  28. 1985 ELDORADO HT4100 ,ANY IDEA Where this connector goes?
  29. 1984 Cadillac fleetwood brougham.
  30. 1986 Eldorado 4.1 v8 (fwd) Water pump Removal
  31. HT4100 to 350 swap. Need sound advice. Please!!!!
  32. Vacuum hose sizes/locations for a '94 deville 4.9?
  33. pinging problems 1994 Deville 4.9
  34. Replace head gaskets or not? HT4100
  35. 1985 Eldorado running rough at sustained high speeds
  36. 1985 eldorado 4100 intake manifold gaskets install
  37. Need help! Having starting problems with my 84 Coupe DeVille
  38. Installing a Cadillac 4.9 in a 1985 Eldorado.
  39. 1985 4100 hard starting
  40. 92 deville alternator
  41. HT 4100 Camshaft break-in!
  42. 84 coupe deville 4.1 rwd
  43. 4.5 "main brg thump"
  44. HT 4100 Rocker arm support train
  45. Capped hose from vapor canister? 95 4.9 Deville
  46. swap 1987 4.1 to 4.5
  47. anyone need new pistons?
  48. Crap...sludge under oil filler cap...
  49. Timing Issue
  50. 1986 Cadillac Fleetwood 75 Ht4100 Running Very Rough
  51. First time Cadillac owner - bad 4.1 engine
  52. P048 code - detonation at load 95 deville 4.9
  53. Oil light coming on at idle...
  54. Idle Control
  55. Allante intake
  56. HT4100 82 Seville engine replacement options
  57. Need help trouble shooting my 92 deville. Alternator/MAP sensor/exhaust gas recirc.
  58. Service A/c Light 4.9 '93 Sedan...
  59. 84 Seville headgasket or?
  60. 4100 HT rocker arm bridge
  61. 88 4.5 has no power and wants to die.
  62. FPR and Injectors 4.9
  63. HT4100 Intake Gasket Question
  64. Coolant guage sensor location help
  65. gear selector fault
  66. At what temp should the radiator fan come on?
  67. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  68. Repairing a blower motor power module
  69. 1984 Eldorado code 15 won't start
  70. I have a code 27 on an 84 SDV
  71. No vacuum to EGR valve ... 4.9 engine
  72. EGR System photos 83 4.1
  73. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  74. 1992 eldorado 4.9 no start.
  75. 4.1 liter HT-4100
  76. Headbolts
  77. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  78. Engine issues & out of ideas ! 1991 4.9
  79. 4.5L Burnt tire smell from engine
  80. Operarating temperatue 4.1 engine 1985 eldorado
  81. 4.5l Valve Cover Gasket Replacement
  82. Distributor gear problem
  83. time to upgrade the 4.1, seeking advise
  84. No heat!!!!!!
  85. Service Soon digital dash Out
  86. 4.9L Oil Consumption
  87. HT4100 Brake Loss
  88. Warming up a 4.9/ turn off in trafgic
  89. 1990 Eldorado running rough
  90. 91 Deville - 4.9 swaps
  91. Electronic Fan Module & Cooling Fan Fault 9
  92. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  93. Dirt in coolant? w/pic 4.5L
  94. E046
  95. removing 4.9
  96. OBD confusion
  97. RPM vs. highway speed ?
  98. Seville 4.1L V8 Engine - to South Africa
  99. Extremely Erratic Idle Until Operating Temperature
  100. Identifying distributor
  101. Rough Idle w/ Brake Booster Loss
  102. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  103. 95 deville shocks all four corner???
  104. Intermittent stalling
  105. 1990 eldorado over heating and coolant boiling
  106. Why and what is it making that noise? (Video included)
  107. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  108. 1992 Cadillac Seville
  109. 1985 Eldorado Roadster (4100)
  110. 4.9 Cable Wrapping Questions
  111. Seville 1990 code ED32
  112. 4.9 flooding when shut off
  113. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  114. Newbie looking for ground(s)
  115. Digital Dash 86 deville
  116. 1990 DeVille, 4.5l engine issues
  117. radiator fun
  118. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  119. tranny swap 1992 sedan deville
  120. Can I get a timing cover for a '93 4.9L?
  121. Waterpmp AGAIN!
  122. 1995 Deville - 4.9 head gasket
  123. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  124. Need cadillac mechanic
  125. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  126. Is it worth the $?
  127. 92 seville timing cover torque specs
  128. 88 fleetwood engine randomly dies
  129. Check Engine Light?
  130. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  131. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  132. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  133. 1995 Deville 4.9 randomly dies...
  134. HT 4100 oil pan capacity question
  135. 82 4100 eldorado.shutting off..
  136. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  137. Random overheating
  138. 1982 eldorado with 4100.''oil pump question..''
  139. 1982 eldorado oil pressure sending unit wires
  140. Re-manufactured HT4100 engine, oil is leaking at exhaust manifold by cylinder 6.
  141. hello gentlemen
  142. hello all
  143. 82 Eldo Digital Dash likes to dance
  144. 88 deville bubbling
  145. 1984 eldorado biarritz
  146. 1989 4.5L overboring
  147. Super high idle - 1992 Fleetwood
  148. 82 Eldo Updating Sensors and Wiring
  149. 1990 Eldorado displays wrong diagnostic parameters in CCDIC
  150. Complete bog down on acceleration when warm, wants to die.
  151. 1989 Deville F32/Running issues..Please Help
  152. what other factor could cause soot?
  153. in over my head...
  154. 4100 soot
  155. 83 pulsing gas pedal and codes 27 52 71..
  156. 83 Seville HT 4100 throttle?
  157. Turbo or super for a 1989 fleetwood
  158. Valve Cover Powdercoating
  159. 93 DeVille 4.9 Questions
  160. 1988 Deville 4.5L oil problems in Russia
  161. 95 deville 4.9 cooling fan & ac fan dont work
  162. 4100 HT Idle speed setting
  163. An update on my custom intake setup...
  164. 4100 Service Now / Codes
  165. Valve cover color
  166. 4.9 Idle Adjustment on '93 DeVille ?
  167. Poor mpg
  168. help with 85 eldorado alternator wiring
  169. 4.9L Intake manifold gasket install. Any tips?
  170. Check engine help!?!?
  171. Timing and error code 26
  172. 4100 still running better to rebuild or replace
  173. 4t60e stock converter stall speed
  174. Is my head gasket blown 94 cadillac sedan deville????
  175. Is my head gasket blown 94 cadillac sedan deville????
  176. cables
  177. Codes 4.9
  178. 4.5L ACDelco Spark Plug Question
  179. 4.9 low rpm/light throttle stumbling/bucking
  180. 4.9L 91 Seville power loss... at a loss..
  181. 1987 Deville 4.1 to 4.9 Conversion
  182. 97 Seville cooling
  183. Vacuum connection for heating?
  184. 1994 Deville 4.9 Engine Stalling
  185. Oil pressure specs for 4.1 at idle
  186. Oil pressure specs
  187. 91 Deville engine skip
  188. 4t60e chain and sprocket question
  189. 1st and 2nd design oil pressure switch?
  190. 1983 sed Deville 4100 0ut 1999-2002 Chevy 5.3 in
  191. 4100HT shuts down in sharp left corners
  192. What are my engine replacement options - Current engine is a transverse HT4100
  193. Vid: Cadillacs 1982 HT4100, the Development and Manufacturing
  194. JUST BOUGHT 1995 DEVILLE. Stalling and MAP Code issue?? and Possible related problem
  195. 4.9L coolant issues
  196. Upgrading and restoring a 4.9
  197. Brown sludge?
  198. oil pressure light 4.9 liter
  199. pvc valve housing possible vacuum leak?
  200. ACDELCO best water pump?
  201. 84 CDV Code 37 and Code 53 (need help)
  202. water pump tool?
  203. 4.5 hesitation, stumble, poor mpg; smog pump bypassed
  204. Replacing Air pump fan belt Problems
  205. I need a pic if anybody's got one
  206. 84 CDV need help on firing order and distributor wiring
  207. 4100 stalling after intake gasket repair
  208. 4.9 Injectors
  209. 1983 ht4100 enginge lower end knocking
  210. Ht4100 :(
  211. Can soneone give me a part number?
  212. 4.5 belt tensioner; is bearing replaceable?
  213. 4.9 litre tune up 94 deville
  214. Starting issue -- 91 Eldorado
  215. 4.9 Info Needed
  216. Oh Sh*%! I lost my head.
  217. Remove oil pump on cadillac eldorado 1985 ?
  218. 1985 eldorado biarritz won't start
  219. 4.9 pulled head bolt threads
  220. Hesitation on an 83 cadillac fleetwood brougham with HT4100 motor
  221. 95 sedan shuts down while driving
  222. 93 SDV 4.9 spark plug replacement post mortem (can't edit other thread)
  223. Driving along and suddenly, DEAD!
  224. Starter Gear Clearance
  225. Replacing original plugs/wires 93 SDV........wish me luck!
  226. 4.9 - intake
  227. Idle Problems After Mechanic
  228. Lurching '91 Deville
  229. Can FWD HT 4100 eng and transmission be installed together?
  230. '82 Fleetwood D'elegance coupe problem :(
  231. replacing water pump on my old '84 DeVille 4.1 engine
  232. What are the symptoms of CVJ’s failing?
  233. distributor question
  234. Car not starting
  235. Problem with 1990 Seville 4.5
  236. change spark plugs, 1989 seville 4.5
  237. Oil Leaking from "Everywhere"
  238. 4.1 to 4.1 swap, how hard can it really be???
  239. School of hard knocks
  240. 90 deville 4.5 stalling problems
  241. 1983 Eldorado engine running problem!
  242. Carburetor on V8 4100 HT Eldorado 1985 ?
  243. need some help with my 1994 Deville 4.9L v8
  244. Did I miss anything?
  245. hard starting 1997 STS
  246. 1991 Cadillac Biarittz - Engine problem.
  247. First Caddy Questions
  248. The best engine to put in my Eldo Cadillac?
  249. Stumped!
  250. 1990 cadillac deville