: HT4100 4.1, 4.5, 4.9



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