: HT4100 4.1, 4.5, 4.9



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  1. Allante intake
  2. HT4100 82 Seville engine replacement options
  3. Need help trouble shooting my 92 deville. Alternator/MAP sensor/exhaust gas recirc.
  4. Service A/c Light 4.9 '93 Sedan...
  5. 84 Seville headgasket or?
  6. 4100 HT rocker arm bridge
  7. 88 4.5 has no power and wants to die.
  8. FPR and Injectors 4.9
  9. HT4100 Intake Gasket Question
  10. Coolant guage sensor location help
  11. gear selector fault
  12. At what temp should the radiator fan come on?
  13. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  14. Repairing a blower motor power module
  15. 1984 Eldorado code 15 won't start
  16. I have a code 27 on an 84 SDV
  17. No vacuum to EGR valve ... 4.9 engine
  18. EGR System photos 83 4.1
  19. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  20. 1992 eldorado 4.9 no start.
  21. 4.1 liter HT-4100
  22. Headbolts
  23. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  24. Engine issues & out of ideas ! 1991 4.9
  25. 4.5L Burnt tire smell from engine
  26. Operarating temperatue 4.1 engine 1985 eldorado
  27. 4.5l Valve Cover Gasket Replacement
  28. Distributor gear problem
  29. time to upgrade the 4.1, seeking advise
  30. No heat!!!!!!
  31. Service Soon digital dash Out
  32. 4.9L Oil Consumption
  33. HT4100 Brake Loss
  34. Warming up a 4.9/ turn off in trafgic
  35. 1990 Eldorado running rough
  36. 91 Deville - 4.9 swaps
  37. Electronic Fan Module & Cooling Fan Fault 9
  38. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  39. Dirt in coolant? w/pic 4.5L
  40. E046
  41. removing 4.9
  42. OBD confusion
  43. RPM vs. highway speed ?
  44. Seville 4.1L V8 Engine - to South Africa
  45. Extremely Erratic Idle Until Operating Temperature
  46. Identifying distributor
  47. Rough Idle w/ Brake Booster Loss
  48. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  49. 95 deville shocks all four corner???
  50. Intermittent stalling
  51. 1990 eldorado over heating and coolant boiling
  52. Why and what is it making that noise? (Video included)
  53. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  54. 1992 Cadillac Seville
  55. 1985 Eldorado Roadster (4100)
  56. 4.9 Cable Wrapping Questions
  57. Seville 1990 code ED32
  58. 4.9 flooding when shut off
  59. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  60. Newbie looking for ground(s)
  61. Digital Dash 86 deville
  62. 1990 DeVille, 4.5l engine issues
  63. radiator fun
  64. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  65. tranny swap 1992 sedan deville
  66. Can I get a timing cover for a '93 4.9L?
  67. Waterpmp AGAIN!
  68. 1995 Deville - 4.9 head gasket
  69. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  70. Need cadillac mechanic
  71. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  72. Is it worth the $?
  73. 92 seville timing cover torque specs
  74. 88 fleetwood engine randomly dies
  75. Check Engine Light?
  76. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  77. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  78. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  79. 1995 Deville 4.9 randomly dies...
  80. HT 4100 oil pan capacity question
  81. 82 4100 eldorado.shutting off..
  82. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  83. Random overheating
  84. 1982 eldorado with 4100.''oil pump question..''
  85. 1982 eldorado oil pressure sending unit wires
  86. Re-manufactured HT4100 engine, oil is leaking at exhaust manifold by cylinder 6.
  87. hello gentlemen
  88. hello all
  89. 82 Eldo Digital Dash likes to dance
  90. 88 deville bubbling
  91. 1984 eldorado biarritz
  92. 1989 4.5L overboring
  93. Super high idle - 1992 Fleetwood
  94. 82 Eldo Updating Sensors and Wiring
  95. 1990 Eldorado displays wrong diagnostic parameters in CCDIC
  96. Complete bog down on acceleration when warm, wants to die.
  97. 1989 Deville F32/Running issues..Please Help
  98. what other factor could cause soot?
  99. in over my head...
  100. 4100 soot
  101. 83 pulsing gas pedal and codes 27 52 71..
  102. 83 Seville HT 4100 throttle?
  103. Turbo or super for a 1989 fleetwood
  104. Valve Cover Powdercoating
  105. 93 DeVille 4.9 Questions
  106. 1988 Deville 4.5L oil problems in Russia
  107. 95 deville 4.9 cooling fan & ac fan dont work
  108. 4100 HT Idle speed setting
  109. An update on my custom intake setup...
  110. 4100 Service Now / Codes
  111. Valve cover color
  112. 4.9 Idle Adjustment on '93 DeVille ?
  113. Poor mpg
  114. help with 85 eldorado alternator wiring
  115. 4.9L Intake manifold gasket install. Any tips?
  116. Check engine help!?!?
  117. Timing and error code 26
  118. 4100 still running better to rebuild or replace
  119. 4t60e stock converter stall speed
  120. Is my head gasket blown 94 cadillac sedan deville????
  121. Is my head gasket blown 94 cadillac sedan deville????
  122. cables
  123. Codes 4.9
  124. 4.5L ACDelco Spark Plug Question
  125. 4.9 low rpm/light throttle stumbling/bucking
  126. 4.9L 91 Seville power loss... at a loss..
  127. 1987 Deville 4.1 to 4.9 Conversion
  128. 97 Seville cooling
  129. Vacuum connection for heating?
  130. 1994 Deville 4.9 Engine Stalling
  131. Oil pressure specs for 4.1 at idle
  132. Oil pressure specs
  133. 91 Deville engine skip
  134. 4t60e chain and sprocket question
  135. 1st and 2nd design oil pressure switch?
  136. 1983 sed Deville 4100 0ut 1999-2002 Chevy 5.3 in
  137. 4100HT shuts down in sharp left corners
  138. What are my engine replacement options - Current engine is a transverse HT4100
  139. Vid: Cadillacs 1982 HT4100, the Development and Manufacturing
  140. JUST BOUGHT 1995 DEVILLE. Stalling and MAP Code issue?? and Possible related problem
  141. 4.9L coolant issues
  142. Upgrading and restoring a 4.9
  143. Brown sludge?
  144. oil pressure light 4.9 liter
  145. pvc valve housing possible vacuum leak?
  146. ACDELCO best water pump?
  147. 84 CDV Code 37 and Code 53 (need help)
  148. water pump tool?
  149. 4.5 hesitation, stumble, poor mpg; smog pump bypassed
  150. Replacing Air pump fan belt Problems
  151. I need a pic if anybody's got one
  152. 84 CDV need help on firing order and distributor wiring
  153. 4100 stalling after intake gasket repair
  154. 4.9 Injectors
  155. 1983 ht4100 enginge lower end knocking
  156. Ht4100 :(
  157. Can soneone give me a part number?
  158. 4.5 belt tensioner; is bearing replaceable?
  159. 4.9 litre tune up 94 deville
  160. Starting issue -- 91 Eldorado
  161. 4.9 Info Needed
  162. Oh Sh*%! I lost my head.
  163. Remove oil pump on cadillac eldorado 1985 ?
  164. 1985 eldorado biarritz won't start
  165. 4.9 pulled head bolt threads
  166. Hesitation on an 83 cadillac fleetwood brougham with HT4100 motor
  167. 95 sedan shuts down while driving
  168. 93 SDV 4.9 spark plug replacement post mortem (can't edit other thread)
  169. Driving along and suddenly, DEAD!
  170. Starter Gear Clearance
  171. Replacing original plugs/wires 93 SDV........wish me luck!
  172. 4.9 - intake
  173. Idle Problems After Mechanic
  174. Lurching '91 Deville
  175. Can FWD HT 4100 eng and transmission be installed together?
  176. '82 Fleetwood D'elegance coupe problem :(
  177. replacing water pump on my old '84 DeVille 4.1 engine
  178. What are the symptoms of CVJ’s failing?
  179. distributor question
  180. Car not starting
  181. Problem with 1990 Seville 4.5
  182. change spark plugs, 1989 seville 4.5
  183. Oil Leaking from "Everywhere"
  184. 4.1 to 4.1 swap, how hard can it really be???
  185. School of hard knocks
  186. 90 deville 4.5 stalling problems
  187. 1983 Eldorado engine running problem!
  188. Carburetor on V8 4100 HT Eldorado 1985 ?
  189. need some help with my 1994 Deville 4.9L v8
  190. Did I miss anything?
  191. hard starting 1997 STS
  192. 1991 Cadillac Biarittz - Engine problem.
  193. First Caddy Questions
  194. The best engine to put in my Eldo Cadillac?
  195. Stumped!
  196. 1990 cadillac deville
  197. Please Help - error code 19 on 84 Deville ht4100
  198. Fuel Pump Relay - 84 Deville HT4100
  199. Where is the oil pressure switch located - 84 Deville HT4100
  200. Remanufactured 4.1 available
  201. 4.9 Belt Tensioner Question
  202. Rough Running 4.9 - Please Help !
  203. Removing the AIR pump, HT4100
  204. 4T60-E Transaxle, feels like park paw spring is worn out.
  205. Seville Swap: from 83 HT4100 to 81 368
  206. 86 seville 4.1 low engine power-issue
  207. leftover 4.x parts
  208. 4.5 RWD engines for sale?? would this work??
  209. '85 Seville HT 4100 MAP location & mystery connectors ?
  210. awesome 440T4->4T65E conversion
  211. Difficult to start engine in Eldorado 1983
  212. Rough Idle on low mileage 91 Eldorado
  213. "system problem"
  214. Purpose for detent switch and kickdown?
  215. Basics for operating ECM on 84 Deville HT4100??
  216. 4.5 Overheating. Need help
  217. PD08 and Spark Timing
  218. Where is the a/c low pressure valve on a 1990 Seville?
  219. 1985 DeVille Whats That, (Fuel System Canister Valve?)
  220. 4.5 will not go into timing mode, desperately seeking advice
  221. Torque Specs
  222. Looking to replace camshaft to fix lack of power & hesitation - ht4100
  223. HT 4100 engine problem
  224. 84 cadillac eldorado ht4100 rough idle at acceleration
  225. ISC Adjustment & the mysterious green connector
  226. Thinking of picking up an '83 Fleetwood HT4100
  227. Advice, please: 4.9 Cruise Control Cable Stuck
  228. 1995 Sedan Deville HEAD Gasket
  229. 88 seville instrument panel
  230. Need Help with timing/tune-up on 84 Cadillac Deville HT4100
  231. Bad Misfire on Low Mile 4.9 (1991 Eldorado)
  232. thinking about getting mods on 4.5
  233. Vapor Canister Filter
  234. Oil for 4100
  235. Code E49 Air Injection System Fault
  236. 4.5 distributor removal
  237. significant improvements in 94/95 4.9?
  238. Name the Emission Tube for 1990 4.5
  239. source for 4.x cylinder sleeves
  240. 4.9 throttle body interchange data
  241. Engine Swap Process
  242. 4.9 Individual Throttle Body project
  243. 91 Deville - skipping and no 1st or 4th gear-HELP
  244. 96 deville alternator
  245. Falling MPG - 1990 Deville/Fleetwood
  246. 4.5 carb and distributor conversion
  247. A/C Repair
  248. 4.9 running rough after spark plug change Help!
  249. New annoying message: "Change Oil Soon" (just changed it last month!)
  250. 4.9 Horrible Idle