: HT4100 4.1, 4.5, 4.9



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