: HT4100 4.1, 4.5, 4.9



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