: HT4100 4.1, 4.5, 4.9



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  1. Service A/c Light 4.9 '93 Sedan...
  2. 84 Seville headgasket or?
  3. 4100 HT rocker arm bridge
  4. 88 4.5 has no power and wants to die.
  5. FPR and Injectors 4.9
  6. HT4100 Intake Gasket Question
  7. Coolant guage sensor location help
  8. gear selector fault
  9. At what temp should the radiator fan come on?
  10. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  11. Repairing a blower motor power module
  12. 1984 Eldorado code 15 won't start
  13. I have a code 27 on an 84 SDV
  14. No vacuum to EGR valve ... 4.9 engine
  15. EGR System photos 83 4.1
  16. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  17. 1992 eldorado 4.9 no start.
  18. 4.1 liter HT-4100
  19. Headbolts
  20. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  21. Engine issues & out of ideas ! 1991 4.9
  22. 4.5L Burnt tire smell from engine
  23. Operarating temperatue 4.1 engine 1985 eldorado
  24. 4.5l Valve Cover Gasket Replacement
  25. Distributor gear problem
  26. time to upgrade the 4.1, seeking advise
  27. No heat!!!!!!
  28. Service Soon digital dash Out
  29. 4.9L Oil Consumption
  30. HT4100 Brake Loss
  31. Warming up a 4.9/ turn off in trafgic
  32. 1990 Eldorado running rough
  33. 91 Deville - 4.9 swaps
  34. Electronic Fan Module & Cooling Fan Fault 9
  35. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  36. Dirt in coolant? w/pic 4.5L
  37. E046
  38. removing 4.9
  39. OBD confusion
  40. RPM vs. highway speed ?
  41. Seville 4.1L V8 Engine - to South Africa
  42. Extremely Erratic Idle Until Operating Temperature
  43. Identifying distributor
  44. Rough Idle w/ Brake Booster Loss
  45. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  46. 95 deville shocks all four corner???
  47. Intermittent stalling
  48. 1990 eldorado over heating and coolant boiling
  49. Why and what is it making that noise? (Video included)
  50. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  51. 1992 Cadillac Seville
  52. 1985 Eldorado Roadster (4100)
  53. 4.9 Cable Wrapping Questions
  54. Seville 1990 code ED32
  55. 4.9 flooding when shut off
  56. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  57. Newbie looking for ground(s)
  58. Digital Dash 86 deville
  59. 1990 DeVille, 4.5l engine issues
  60. radiator fun
  61. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  62. tranny swap 1992 sedan deville
  63. Can I get a timing cover for a '93 4.9L?
  64. Waterpmp AGAIN!
  65. 1995 Deville - 4.9 head gasket
  66. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  67. Need cadillac mechanic
  68. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  69. Is it worth the $?
  70. 92 seville timing cover torque specs
  71. 88 fleetwood engine randomly dies
  72. Check Engine Light?
  73. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  74. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  75. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  76. 1995 Deville 4.9 randomly dies...
  77. HT 4100 oil pan capacity question
  78. 82 4100 eldorado.shutting off..
  79. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  80. Random overheating
  81. 1982 eldorado with 4100.''oil pump question..''
  82. 1982 eldorado oil pressure sending unit wires
  83. Re-manufactured HT4100 engine, oil is leaking at exhaust manifold by cylinder 6.
  84. hello gentlemen
  85. hello all
  86. 82 Eldo Digital Dash likes to dance
  87. 88 deville bubbling
  88. 1984 eldorado biarritz
  89. 1989 4.5L overboring
  90. Super high idle - 1992 Fleetwood
  91. 82 Eldo Updating Sensors and Wiring
  92. 1990 Eldorado displays wrong diagnostic parameters in CCDIC
  93. Complete bog down on acceleration when warm, wants to die.
  94. 1989 Deville F32/Running issues..Please Help
  95. what other factor could cause soot?
  96. in over my head...
  97. 4100 soot
  98. 83 pulsing gas pedal and codes 27 52 71..
  99. 83 Seville HT 4100 throttle?
  100. Turbo or super for a 1989 fleetwood
  101. Valve Cover Powdercoating
  102. 93 DeVille 4.9 Questions
  103. 1988 Deville 4.5L oil problems in Russia
  104. 95 deville 4.9 cooling fan & ac fan dont work
  105. 4100 HT Idle speed setting
  106. An update on my custom intake setup...
  107. 4100 Service Now / Codes
  108. Valve cover color
  109. 4.9 Idle Adjustment on '93 DeVille ?
  110. Poor mpg
  111. help with 85 eldorado alternator wiring
  112. 4.9L Intake manifold gasket install. Any tips?
  113. Check engine help!?!?
  114. Timing and error code 26
  115. 4100 still running better to rebuild or replace
  116. 4t60e stock converter stall speed
  117. Is my head gasket blown 94 cadillac sedan deville????
  118. Is my head gasket blown 94 cadillac sedan deville????
  119. cables
  120. Codes 4.9
  121. 4.5L ACDelco Spark Plug Question
  122. 4.9 low rpm/light throttle stumbling/bucking
  123. 4.9L 91 Seville power loss... at a loss..
  124. 1987 Deville 4.1 to 4.9 Conversion
  125. 97 Seville cooling
  126. Vacuum connection for heating?
  127. 1994 Deville 4.9 Engine Stalling
  128. Oil pressure specs for 4.1 at idle
  129. Oil pressure specs
  130. 91 Deville engine skip
  131. 4t60e chain and sprocket question
  132. 1st and 2nd design oil pressure switch?
  133. 1983 sed Deville 4100 0ut 1999-2002 Chevy 5.3 in
  134. 4100HT shuts down in sharp left corners
  135. What are my engine replacement options - Current engine is a transverse HT4100
  136. Vid: Cadillacs 1982 HT4100, the Development and Manufacturing
  137. JUST BOUGHT 1995 DEVILLE. Stalling and MAP Code issue?? and Possible related problem
  138. 4.9L coolant issues
  139. Upgrading and restoring a 4.9
  140. Brown sludge?
  141. oil pressure light 4.9 liter
  142. pvc valve housing possible vacuum leak?
  143. ACDELCO best water pump?
  144. 84 CDV Code 37 and Code 53 (need help)
  145. water pump tool?
  146. 4.5 hesitation, stumble, poor mpg; smog pump bypassed
  147. Replacing Air pump fan belt Problems
  148. I need a pic if anybody's got one
  149. 84 CDV need help on firing order and distributor wiring
  150. 4100 stalling after intake gasket repair
  151. 4.9 Injectors
  152. 1983 ht4100 enginge lower end knocking
  153. Ht4100 :(
  154. Can soneone give me a part number?
  155. 4.5 belt tensioner; is bearing replaceable?
  156. 4.9 litre tune up 94 deville
  157. Starting issue -- 91 Eldorado
  158. 4.9 Info Needed
  159. Oh Sh*%! I lost my head.
  160. Remove oil pump on cadillac eldorado 1985 ?
  161. 1985 eldorado biarritz won't start
  162. 4.9 pulled head bolt threads
  163. Hesitation on an 83 cadillac fleetwood brougham with HT4100 motor
  164. 95 sedan shuts down while driving
  165. 93 SDV 4.9 spark plug replacement post mortem (can't edit other thread)
  166. Driving along and suddenly, DEAD!
  167. Starter Gear Clearance
  168. Replacing original plugs/wires 93 SDV........wish me luck!
  169. 4.9 - intake
  170. Idle Problems After Mechanic
  171. Lurching '91 Deville
  172. Can FWD HT 4100 eng and transmission be installed together?
  173. '82 Fleetwood D'elegance coupe problem :(
  174. replacing water pump on my old '84 DeVille 4.1 engine
  175. What are the symptoms of CVJ’s failing?
  176. distributor question
  177. Car not starting
  178. Problem with 1990 Seville 4.5
  179. change spark plugs, 1989 seville 4.5
  180. Oil Leaking from "Everywhere"
  181. 4.1 to 4.1 swap, how hard can it really be???
  182. School of hard knocks
  183. 90 deville 4.5 stalling problems
  184. 1983 Eldorado engine running problem!
  185. Carburetor on V8 4100 HT Eldorado 1985 ?
  186. need some help with my 1994 Deville 4.9L v8
  187. Did I miss anything?
  188. hard starting 1997 STS
  189. 1991 Cadillac Biarittz - Engine problem.
  190. First Caddy Questions
  191. The best engine to put in my Eldo Cadillac?
  192. Stumped!
  193. 1990 cadillac deville
  194. Please Help - error code 19 on 84 Deville ht4100
  195. Fuel Pump Relay - 84 Deville HT4100
  196. Where is the oil pressure switch located - 84 Deville HT4100
  197. Remanufactured 4.1 available
  198. 4.9 Belt Tensioner Question
  199. Rough Running 4.9 - Please Help !
  200. Removing the AIR pump, HT4100
  201. 4T60-E Transaxle, feels like park paw spring is worn out.
  202. Seville Swap: from 83 HT4100 to 81 368
  203. 86 seville 4.1 low engine power-issue
  204. leftover 4.x parts
  205. 4.5 RWD engines for sale?? would this work??
  206. '85 Seville HT 4100 MAP location & mystery connectors ?
  207. awesome 440T4->4T65E conversion
  208. Difficult to start engine in Eldorado 1983
  209. Rough Idle on low mileage 91 Eldorado
  210. "system problem"
  211. Purpose for detent switch and kickdown?
  212. Basics for operating ECM on 84 Deville HT4100??
  213. 4.5 Overheating. Need help
  214. PD08 and Spark Timing
  215. Where is the a/c low pressure valve on a 1990 Seville?
  216. 1985 DeVille Whats That, (Fuel System Canister Valve?)
  217. 4.5 will not go into timing mode, desperately seeking advice
  218. Torque Specs
  219. Looking to replace camshaft to fix lack of power & hesitation - ht4100
  220. HT 4100 engine problem
  221. 84 cadillac eldorado ht4100 rough idle at acceleration
  222. ISC Adjustment & the mysterious green connector
  223. Thinking of picking up an '83 Fleetwood HT4100
  224. Advice, please: 4.9 Cruise Control Cable Stuck
  225. 1995 Sedan Deville HEAD Gasket
  226. 88 seville instrument panel
  227. Need Help with timing/tune-up on 84 Cadillac Deville HT4100
  228. Bad Misfire on Low Mile 4.9 (1991 Eldorado)
  229. thinking about getting mods on 4.5
  230. Vapor Canister Filter
  231. Oil for 4100
  232. Code E49 Air Injection System Fault
  233. 4.5 distributor removal
  234. significant improvements in 94/95 4.9?
  235. Name the Emission Tube for 1990 4.5
  236. source for 4.x cylinder sleeves
  237. 4.9 throttle body interchange data
  238. Engine Swap Process
  239. 4.9 Individual Throttle Body project
  240. 91 Deville - skipping and no 1st or 4th gear-HELP
  241. 96 deville alternator
  242. Falling MPG - 1990 Deville/Fleetwood
  243. 4.5 carb and distributor conversion
  244. A/C Repair
  245. 4.9 running rough after spark plug change Help!
  246. New annoying message: "Change Oil Soon" (just changed it last month!)
  247. 4.9 Horrible Idle
  248. 1993 Distributor, and Minimum Air
  249. 4.1L Idle Speed Issues
  250. 4.9 blown head gasket