: HT4100 4.1, 4.5, 4.9



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  1. 1985 Eldorado Touring coupe, NO FUEL SITUATION
  2. 82 Seville not idiling or running correctly
  3. 1985 eldorado touring coupe distributor/top dead center help.
  4. 1995 Deville - FPR replacement tips ?
  5. HT4100 pre-purchase help......
  6. 1985 ELDORADO HT4100 ,ANY IDEA Where this connector goes?
  7. 1984 Cadillac fleetwood brougham.
  8. 1986 Eldorado 4.1 v8 (fwd) Water pump Removal
  9. HT4100 to 350 swap. Need sound advice. Please!!!!
  10. Vacuum hose sizes/locations for a '94 deville 4.9?
  11. pinging problems 1994 Deville 4.9
  12. Replace head gaskets or not? HT4100
  13. 1985 Eldorado running rough at sustained high speeds
  14. 1985 eldorado 4100 intake manifold gaskets install
  15. Need help! Having starting problems with my 84 Coupe DeVille
  16. Installing a Cadillac 4.9 in a 1985 Eldorado.
  17. 1985 4100 hard starting
  18. 92 deville alternator
  19. HT 4100 Camshaft break-in!
  20. 84 coupe deville 4.1 rwd
  21. 4.5 "main brg thump"
  22. HT 4100 Rocker arm support train
  23. Capped hose from vapor canister? 95 4.9 Deville
  24. swap 1987 4.1 to 4.5
  25. anyone need new pistons?
  26. Crap...sludge under oil filler cap...
  27. Timing Issue
  28. 1986 Cadillac Fleetwood 75 Ht4100 Running Very Rough
  29. First time Cadillac owner - bad 4.1 engine
  30. P048 code - detonation at load 95 deville 4.9
  31. Oil light coming on at idle...
  32. Idle Control
  33. Allante intake
  34. HT4100 82 Seville engine replacement options
  35. Need help trouble shooting my 92 deville. Alternator/MAP sensor/exhaust gas recirc.
  36. Service A/c Light 4.9 '93 Sedan...
  37. 84 Seville headgasket or?
  38. 4100 HT rocker arm bridge
  39. 88 4.5 has no power and wants to die.
  40. FPR and Injectors 4.9
  41. HT4100 Intake Gasket Question
  42. Coolant guage sensor location help
  43. gear selector fault
  44. At what temp should the radiator fan come on?
  45. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  46. Repairing a blower motor power module
  47. 1984 Eldorado code 15 won't start
  48. I have a code 27 on an 84 SDV
  49. No vacuum to EGR valve ... 4.9 engine
  50. EGR System photos 83 4.1
  51. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  52. 1992 eldorado 4.9 no start.
  53. 4.1 liter HT-4100
  54. Headbolts
  55. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  56. Engine issues & out of ideas ! 1991 4.9
  57. 4.5L Burnt tire smell from engine
  58. Operarating temperatue 4.1 engine 1985 eldorado
  59. 4.5l Valve Cover Gasket Replacement
  60. Distributor gear problem
  61. time to upgrade the 4.1, seeking advise
  62. No heat!!!!!!
  63. Service Soon digital dash Out
  64. 4.9L Oil Consumption
  65. HT4100 Brake Loss
  66. Warming up a 4.9/ turn off in trafgic
  67. 1990 Eldorado running rough
  68. 91 Deville - 4.9 swaps
  69. Electronic Fan Module & Cooling Fan Fault 9
  70. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  71. Dirt in coolant? w/pic 4.5L
  72. E046
  73. removing 4.9
  74. OBD confusion
  75. RPM vs. highway speed ?
  76. Seville 4.1L V8 Engine - to South Africa
  77. Extremely Erratic Idle Until Operating Temperature
  78. Identifying distributor
  79. Rough Idle w/ Brake Booster Loss
  80. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  81. 95 deville shocks all four corner???
  82. Intermittent stalling
  83. 1990 eldorado over heating and coolant boiling
  84. Why and what is it making that noise? (Video included)
  85. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  86. 1992 Cadillac Seville
  87. 1985 Eldorado Roadster (4100)
  88. 4.9 Cable Wrapping Questions
  89. Seville 1990 code ED32
  90. 4.9 flooding when shut off
  91. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  92. Newbie looking for ground(s)
  93. Digital Dash 86 deville
  94. 1990 DeVille, 4.5l engine issues
  95. radiator fun
  96. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  97. tranny swap 1992 sedan deville
  98. Can I get a timing cover for a '93 4.9L?
  99. Waterpmp AGAIN!
  100. 1995 Deville - 4.9 head gasket
  101. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  102. Need cadillac mechanic
  103. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  104. Is it worth the $?
  105. 92 seville timing cover torque specs
  106. 88 fleetwood engine randomly dies
  107. Check Engine Light?
  108. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  109. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  110. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  111. 1995 Deville 4.9 randomly dies...
  112. HT 4100 oil pan capacity question
  113. 82 4100 eldorado.shutting off..
  114. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  115. Random overheating
  116. 1982 eldorado with 4100.''oil pump question..''
  117. 1982 eldorado oil pressure sending unit wires
  118. Re-manufactured HT4100 engine, oil is leaking at exhaust manifold by cylinder 6.
  119. hello gentlemen
  120. hello all
  121. 82 Eldo Digital Dash likes to dance
  122. 88 deville bubbling
  123. 1984 eldorado biarritz
  124. 1989 4.5L overboring
  125. Super high idle - 1992 Fleetwood
  126. 82 Eldo Updating Sensors and Wiring
  127. 1990 Eldorado displays wrong diagnostic parameters in CCDIC
  128. Complete bog down on acceleration when warm, wants to die.
  129. 1989 Deville F32/Running issues..Please Help
  130. what other factor could cause soot?
  131. in over my head...
  132. 4100 soot
  133. 83 pulsing gas pedal and codes 27 52 71..
  134. 83 Seville HT 4100 throttle?
  135. Turbo or super for a 1989 fleetwood
  136. Valve Cover Powdercoating
  137. 93 DeVille 4.9 Questions
  138. 1988 Deville 4.5L oil problems in Russia
  139. 95 deville 4.9 cooling fan & ac fan dont work
  140. 4100 HT Idle speed setting
  141. An update on my custom intake setup...
  142. 4100 Service Now / Codes
  143. Valve cover color
  144. 4.9 Idle Adjustment on '93 DeVille ?
  145. Poor mpg
  146. help with 85 eldorado alternator wiring
  147. 4.9L Intake manifold gasket install. Any tips?
  148. Check engine help!?!?
  149. Timing and error code 26
  150. 4100 still running better to rebuild or replace
  151. 4t60e stock converter stall speed
  152. Is my head gasket blown 94 cadillac sedan deville????
  153. Is my head gasket blown 94 cadillac sedan deville????
  154. cables
  155. Codes 4.9
  156. 4.5L ACDelco Spark Plug Question
  157. 4.9 low rpm/light throttle stumbling/bucking
  158. 4.9L 91 Seville power loss... at a loss..
  159. 1987 Deville 4.1 to 4.9 Conversion
  160. 97 Seville cooling
  161. Vacuum connection for heating?
  162. 1994 Deville 4.9 Engine Stalling
  163. Oil pressure specs for 4.1 at idle
  164. Oil pressure specs
  165. 91 Deville engine skip
  166. 4t60e chain and sprocket question
  167. 1st and 2nd design oil pressure switch?
  168. 1983 sed Deville 4100 0ut 1999-2002 Chevy 5.3 in
  169. 4100HT shuts down in sharp left corners
  170. What are my engine replacement options - Current engine is a transverse HT4100
  171. Vid: Cadillacs 1982 HT4100, the Development and Manufacturing
  172. JUST BOUGHT 1995 DEVILLE. Stalling and MAP Code issue?? and Possible related problem
  173. 4.9L coolant issues
  174. Upgrading and restoring a 4.9
  175. Brown sludge?
  176. oil pressure light 4.9 liter
  177. pvc valve housing possible vacuum leak?
  178. ACDELCO best water pump?
  179. 84 CDV Code 37 and Code 53 (need help)
  180. water pump tool?
  181. 4.5 hesitation, stumble, poor mpg; smog pump bypassed
  182. Replacing Air pump fan belt Problems
  183. I need a pic if anybody's got one
  184. 84 CDV need help on firing order and distributor wiring
  185. 4100 stalling after intake gasket repair
  186. 4.9 Injectors
  187. 1983 ht4100 enginge lower end knocking
  188. Ht4100 :(
  189. Can soneone give me a part number?
  190. 4.5 belt tensioner; is bearing replaceable?
  191. 4.9 litre tune up 94 deville
  192. Starting issue -- 91 Eldorado
  193. 4.9 Info Needed
  194. Oh Sh*%! I lost my head.
  195. Remove oil pump on cadillac eldorado 1985 ?
  196. 1985 eldorado biarritz won't start
  197. 4.9 pulled head bolt threads
  198. Hesitation on an 83 cadillac fleetwood brougham with HT4100 motor
  199. 95 sedan shuts down while driving
  200. 93 SDV 4.9 spark plug replacement post mortem (can't edit other thread)
  201. Driving along and suddenly, DEAD!
  202. Starter Gear Clearance
  203. Replacing original plugs/wires 93 SDV........wish me luck!
  204. 4.9 - intake
  205. Idle Problems After Mechanic
  206. Lurching '91 Deville
  207. Can FWD HT 4100 eng and transmission be installed together?
  208. '82 Fleetwood D'elegance coupe problem :(
  209. replacing water pump on my old '84 DeVille 4.1 engine
  210. What are the symptoms of CVJ’s failing?
  211. distributor question
  212. Car not starting
  213. Problem with 1990 Seville 4.5
  214. change spark plugs, 1989 seville 4.5
  215. Oil Leaking from "Everywhere"
  216. 4.1 to 4.1 swap, how hard can it really be???
  217. School of hard knocks
  218. 90 deville 4.5 stalling problems
  219. 1983 Eldorado engine running problem!
  220. Carburetor on V8 4100 HT Eldorado 1985 ?
  221. need some help with my 1994 Deville 4.9L v8
  222. Did I miss anything?
  223. hard starting 1997 STS
  224. 1991 Cadillac Biarittz - Engine problem.
  225. First Caddy Questions
  226. The best engine to put in my Eldo Cadillac?
  227. Stumped!
  228. 1990 cadillac deville
  229. Please Help - error code 19 on 84 Deville ht4100
  230. Fuel Pump Relay - 84 Deville HT4100
  231. Where is the oil pressure switch located - 84 Deville HT4100
  232. Remanufactured 4.1 available
  233. 4.9 Belt Tensioner Question
  234. Rough Running 4.9 - Please Help !
  235. Removing the AIR pump, HT4100
  236. 4T60-E Transaxle, feels like park paw spring is worn out.
  237. Seville Swap: from 83 HT4100 to 81 368
  238. 86 seville 4.1 low engine power-issue
  239. leftover 4.x parts
  240. 4.5 RWD engines for sale?? would this work??
  241. '85 Seville HT 4100 MAP location & mystery connectors ?
  242. awesome 440T4->4T65E conversion
  243. Difficult to start engine in Eldorado 1983
  244. Rough Idle on low mileage 91 Eldorado
  245. "system problem"
  246. Purpose for detent switch and kickdown?
  247. Basics for operating ECM on 84 Deville HT4100??
  248. 4.5 Overheating. Need help
  249. PD08 and Spark Timing
  250. Where is the a/c low pressure valve on a 1990 Seville?