: HT4100 4.1, 4.5, 4.9



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  1. anyone in need of engine parts for 4.1/ 4.5/ 4.9 L engine ?? I have a lot
  2. Map Sensor
  3. Compatible oil pan for 92 Deville
  4. 440-T4 > 4T6X-E conversion
  5. question about diagnostics mode - 85 eldo
  6. timing gear. 85 eldo
  7. oil pump qustions - 85 ht4100 eldo
  8. full tune - up / now running a bit wierd 85 eldo
  9. accel supercoil on 85 4.1
  10. quick question 85 4.1
  11. EGR SOLENOID 85 Seville
  12. Please don't tell me my injectors are failing...
  13. EGR Valve. 'P' or 'N' type ?
  14. 85 eldo upcoming purchase questions
  15. 4.9 engine oil pump needed
  16. Timing advance car nut
  17. 1984 Seville 4.1 - need head bolt set
  18. 4.9 Hall effects switch change... turns into new distributor
  19. Can not get 1987 4.1 to run correct or is it even possible without the computer
  20. Mid 80's edorado... Do or dont???
  21. Timing marks for 4.1 1984 engine
  22. 4.1 Oscillating/Hunting idle , any suggestions besides...
  23. Ht4100 Supplement Pellets nowadays ?
  24. 85 Eldorado 4.1
  25. 1991 Seville 4.9 - Idles fine, dies immediately after giving it gas
  26. What year and model is this engine from?
  27. 1985 Eldorado Touring coupe, NO FUEL SITUATION
  28. 82 Seville not idiling or running correctly
  29. 1985 eldorado touring coupe distributor/top dead center help.
  30. 1995 Deville - FPR replacement tips ?
  31. HT4100 pre-purchase help......
  32. 1985 ELDORADO HT4100 ,ANY IDEA Where this connector goes?
  33. 1984 Cadillac fleetwood brougham.
  34. 1986 Eldorado 4.1 v8 (fwd) Water pump Removal
  35. HT4100 to 350 swap. Need sound advice. Please!!!!
  36. Vacuum hose sizes/locations for a '94 deville 4.9?
  37. pinging problems 1994 Deville 4.9
  38. Replace head gaskets or not? HT4100
  39. 1985 Eldorado running rough at sustained high speeds
  40. 1985 eldorado 4100 intake manifold gaskets install
  41. Need help! Having starting problems with my 84 Coupe DeVille
  42. Installing a Cadillac 4.9 in a 1985 Eldorado.
  43. 1985 4100 hard starting
  44. 92 deville alternator
  45. HT 4100 Camshaft break-in!
  46. 84 coupe deville 4.1 rwd
  47. 4.5 "main brg thump"
  48. HT 4100 Rocker arm support train
  49. Capped hose from vapor canister? 95 4.9 Deville
  50. swap 1987 4.1 to 4.5
  51. anyone need new pistons?
  52. Crap...sludge under oil filler cap...
  53. Timing Issue
  54. 1986 Cadillac Fleetwood 75 Ht4100 Running Very Rough
  55. First time Cadillac owner - bad 4.1 engine
  56. P048 code - detonation at load 95 deville 4.9
  57. Oil light coming on at idle...
  58. Idle Control
  59. Allante intake
  60. HT4100 82 Seville engine replacement options
  61. Need help trouble shooting my 92 deville. Alternator/MAP sensor/exhaust gas recirc.
  62. Service A/c Light 4.9 '93 Sedan...
  63. 84 Seville headgasket or?
  64. 4100 HT rocker arm bridge
  65. 88 4.5 has no power and wants to die.
  66. FPR and Injectors 4.9
  67. HT4100 Intake Gasket Question
  68. Coolant guage sensor location help
  69. gear selector fault
  70. At what temp should the radiator fan come on?
  71. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  72. Repairing a blower motor power module
  73. 1984 Eldorado code 15 won't start
  74. I have a code 27 on an 84 SDV
  75. No vacuum to EGR valve ... 4.9 engine
  76. EGR System photos 83 4.1
  77. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  78. 1992 eldorado 4.9 no start.
  79. 4.1 liter HT-4100
  80. Headbolts
  81. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  82. Engine issues & out of ideas ! 1991 4.9
  83. 4.5L Burnt tire smell from engine
  84. Operarating temperatue 4.1 engine 1985 eldorado
  85. 4.5l Valve Cover Gasket Replacement
  86. Distributor gear problem
  87. time to upgrade the 4.1, seeking advise
  88. No heat!!!!!!
  89. Service Soon digital dash Out
  90. 4.9L Oil Consumption
  91. HT4100 Brake Loss
  92. Warming up a 4.9/ turn off in trafgic
  93. 1990 Eldorado running rough
  94. 91 Deville - 4.9 swaps
  95. Electronic Fan Module & Cooling Fan Fault 9
  96. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  97. Dirt in coolant? w/pic 4.5L
  98. E046
  99. removing 4.9
  100. OBD confusion
  101. RPM vs. highway speed ?
  102. Seville 4.1L V8 Engine - to South Africa
  103. Extremely Erratic Idle Until Operating Temperature
  104. Identifying distributor
  105. Rough Idle w/ Brake Booster Loss
  106. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  107. 95 deville shocks all four corner???
  108. Intermittent stalling
  109. 1990 eldorado over heating and coolant boiling
  110. Why and what is it making that noise? (Video included)
  111. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  112. 1992 Cadillac Seville
  113. 1985 Eldorado Roadster (4100)
  114. 4.9 Cable Wrapping Questions
  115. Seville 1990 code ED32
  116. 4.9 flooding when shut off
  117. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  118. Newbie looking for ground(s)
  119. Digital Dash 86 deville
  120. 1990 DeVille, 4.5l engine issues
  121. radiator fun
  122. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  123. tranny swap 1992 sedan deville
  124. Can I get a timing cover for a '93 4.9L?
  125. Waterpmp AGAIN!
  126. 1995 Deville - 4.9 head gasket
  127. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  128. Need cadillac mechanic
  129. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  130. Is it worth the $?
  131. 92 seville timing cover torque specs
  132. 88 fleetwood engine randomly dies
  133. Check Engine Light?
  134. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  135. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  136. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  137. 1995 Deville 4.9 randomly dies...
  138. HT 4100 oil pan capacity question
  139. 82 4100 eldorado.shutting off..
  140. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  141. Random overheating
  142. 1982 eldorado with 4100.''oil pump question..''
  143. 1982 eldorado oil pressure sending unit wires
  144. Re-manufactured HT4100 engine, oil is leaking at exhaust manifold by cylinder 6.
  145. hello gentlemen
  146. hello all
  147. 82 Eldo Digital Dash likes to dance
  148. 88 deville bubbling
  149. 1984 eldorado biarritz
  150. 1989 4.5L overboring
  151. Super high idle - 1992 Fleetwood
  152. 82 Eldo Updating Sensors and Wiring
  153. 1990 Eldorado displays wrong diagnostic parameters in CCDIC
  154. Complete bog down on acceleration when warm, wants to die.
  155. 1989 Deville F32/Running issues..Please Help
  156. what other factor could cause soot?
  157. in over my head...
  158. 4100 soot
  159. 83 pulsing gas pedal and codes 27 52 71..
  160. 83 Seville HT 4100 throttle?
  161. Turbo or super for a 1989 fleetwood
  162. Valve Cover Powdercoating
  163. 93 DeVille 4.9 Questions
  164. 1988 Deville 4.5L oil problems in Russia
  165. 95 deville 4.9 cooling fan & ac fan dont work
  166. 4100 HT Idle speed setting
  167. An update on my custom intake setup...
  168. 4100 Service Now / Codes
  169. Valve cover color
  170. 4.9 Idle Adjustment on '93 DeVille ?
  171. Poor mpg
  172. help with 85 eldorado alternator wiring
  173. 4.9L Intake manifold gasket install. Any tips?
  174. Check engine help!?!?
  175. Timing and error code 26
  176. 4100 still running better to rebuild or replace
  177. 4t60e stock converter stall speed
  178. Is my head gasket blown 94 cadillac sedan deville????
  179. Is my head gasket blown 94 cadillac sedan deville????
  180. cables
  181. Codes 4.9
  182. 4.5L ACDelco Spark Plug Question
  183. 4.9 low rpm/light throttle stumbling/bucking
  184. 4.9L 91 Seville power loss... at a loss..
  185. 1987 Deville 4.1 to 4.9 Conversion
  186. 97 Seville cooling
  187. Vacuum connection for heating?
  188. 1994 Deville 4.9 Engine Stalling
  189. Oil pressure specs for 4.1 at idle
  190. Oil pressure specs
  191. 91 Deville engine skip
  192. 4t60e chain and sprocket question
  193. 1st and 2nd design oil pressure switch?
  194. 1983 sed Deville 4100 0ut 1999-2002 Chevy 5.3 in
  195. 4100HT shuts down in sharp left corners
  196. What are my engine replacement options - Current engine is a transverse HT4100
  197. Vid: Cadillacs 1982 HT4100, the Development and Manufacturing
  198. JUST BOUGHT 1995 DEVILLE. Stalling and MAP Code issue?? and Possible related problem
  199. 4.9L coolant issues
  200. Upgrading and restoring a 4.9
  201. Brown sludge?
  202. oil pressure light 4.9 liter
  203. pvc valve housing possible vacuum leak?
  204. ACDELCO best water pump?
  205. 84 CDV Code 37 and Code 53 (need help)
  206. water pump tool?
  207. 4.5 hesitation, stumble, poor mpg; smog pump bypassed
  208. Replacing Air pump fan belt Problems
  209. I need a pic if anybody's got one
  210. 84 CDV need help on firing order and distributor wiring
  211. 4100 stalling after intake gasket repair
  212. 4.9 Injectors
  213. 1983 ht4100 enginge lower end knocking
  214. Ht4100 :(
  215. Can soneone give me a part number?
  216. 4.5 belt tensioner; is bearing replaceable?
  217. 4.9 litre tune up 94 deville
  218. Starting issue -- 91 Eldorado
  219. 4.9 Info Needed
  220. Oh Sh*%! I lost my head.
  221. Remove oil pump on cadillac eldorado 1985 ?
  222. 1985 eldorado biarritz won't start
  223. 4.9 pulled head bolt threads
  224. Hesitation on an 83 cadillac fleetwood brougham with HT4100 motor
  225. 95 sedan shuts down while driving
  226. 93 SDV 4.9 spark plug replacement post mortem (can't edit other thread)
  227. Driving along and suddenly, DEAD!
  228. Starter Gear Clearance
  229. Replacing original plugs/wires 93 SDV........wish me luck!
  230. 4.9 - intake
  231. Idle Problems After Mechanic
  232. Lurching '91 Deville
  233. Can FWD HT 4100 eng and transmission be installed together?
  234. '82 Fleetwood D'elegance coupe problem :(
  235. replacing water pump on my old '84 DeVille 4.1 engine
  236. What are the symptoms of CVJ’s failing?
  237. distributor question
  238. Car not starting
  239. Problem with 1990 Seville 4.5
  240. change spark plugs, 1989 seville 4.5
  241. Oil Leaking from "Everywhere"
  242. 4.1 to 4.1 swap, how hard can it really be???
  243. School of hard knocks
  244. 90 deville 4.5 stalling problems
  245. 1983 Eldorado engine running problem!
  246. Carburetor on V8 4100 HT Eldorado 1985 ?
  247. need some help with my 1994 Deville 4.9L v8
  248. Did I miss anything?
  249. hard starting 1997 STS
  250. 1991 Cadillac Biarittz - Engine problem.