: HT4100 4.1, 4.5, 4.9



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  1. 84 coupe deville 4.1 rwd
  2. 4.5 "main brg thump"
  3. HT 4100 Rocker arm support train
  4. Capped hose from vapor canister? 95 4.9 Deville
  5. swap 1987 4.1 to 4.5
  6. anyone need new pistons?
  7. Crap...sludge under oil filler cap...
  8. Timing Issue
  9. 1986 Cadillac Fleetwood 75 Ht4100 Running Very Rough
  10. First time Cadillac owner - bad 4.1 engine
  11. P048 code - detonation at load 95 deville 4.9
  12. Oil light coming on at idle...
  13. Idle Control
  14. Allante intake
  15. HT4100 82 Seville engine replacement options
  16. Need help trouble shooting my 92 deville. Alternator/MAP sensor/exhaust gas recirc.
  17. Service A/c Light 4.9 '93 Sedan...
  18. 84 Seville headgasket or?
  19. 4100 HT rocker arm bridge
  20. 88 4.5 has no power and wants to die.
  21. FPR and Injectors 4.9
  22. HT4100 Intake Gasket Question
  23. Coolant guage sensor location help
  24. gear selector fault
  25. At what temp should the radiator fan come on?
  26. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  27. Repairing a blower motor power module
  28. 1984 Eldorado code 15 won't start
  29. I have a code 27 on an 84 SDV
  30. No vacuum to EGR valve ... 4.9 engine
  31. EGR System photos 83 4.1
  32. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  33. 1992 eldorado 4.9 no start.
  34. 4.1 liter HT-4100
  35. Headbolts
  36. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  37. Engine issues & out of ideas ! 1991 4.9
  38. 4.5L Burnt tire smell from engine
  39. Operarating temperatue 4.1 engine 1985 eldorado
  40. 4.5l Valve Cover Gasket Replacement
  41. Distributor gear problem
  42. time to upgrade the 4.1, seeking advise
  43. No heat!!!!!!
  44. Service Soon digital dash Out
  45. 4.9L Oil Consumption
  46. HT4100 Brake Loss
  47. Warming up a 4.9/ turn off in trafgic
  48. 1990 Eldorado running rough
  49. 91 Deville - 4.9 swaps
  50. Electronic Fan Module & Cooling Fan Fault 9
  51. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  52. Dirt in coolant? w/pic 4.5L
  53. E046
  54. removing 4.9
  55. OBD confusion
  56. RPM vs. highway speed ?
  57. Seville 4.1L V8 Engine - to South Africa
  58. Extremely Erratic Idle Until Operating Temperature
  59. Identifying distributor
  60. Rough Idle w/ Brake Booster Loss
  61. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  62. 95 deville shocks all four corner???
  63. Intermittent stalling
  64. 1990 eldorado over heating and coolant boiling
  65. Why and what is it making that noise? (Video included)
  66. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  67. 1992 Cadillac Seville
  68. 1985 Eldorado Roadster (4100)
  69. 4.9 Cable Wrapping Questions
  70. Seville 1990 code ED32
  71. 4.9 flooding when shut off
  72. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  73. Newbie looking for ground(s)
  74. Digital Dash 86 deville
  75. 1990 DeVille, 4.5l engine issues
  76. radiator fun
  77. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  78. tranny swap 1992 sedan deville
  79. Can I get a timing cover for a '93 4.9L?
  80. Waterpmp AGAIN!
  81. 1995 Deville - 4.9 head gasket
  82. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  83. Need cadillac mechanic
  84. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  85. Is it worth the $?
  86. 92 seville timing cover torque specs
  87. 88 fleetwood engine randomly dies
  88. Check Engine Light?
  89. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  90. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  91. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  92. 1995 Deville 4.9 randomly dies...
  93. HT 4100 oil pan capacity question
  94. 82 4100 eldorado.shutting off..
  95. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  96. Random overheating
  97. 1982 eldorado with 4100.''oil pump question..''
  98. 1982 eldorado oil pressure sending unit wires
  99. Re-manufactured HT4100 engine, oil is leaking at exhaust manifold by cylinder 6.
  100. hello gentlemen
  101. hello all
  102. 82 Eldo Digital Dash likes to dance
  103. 88 deville bubbling
  104. 1984 eldorado biarritz
  105. 1989 4.5L overboring
  106. Super high idle - 1992 Fleetwood
  107. 82 Eldo Updating Sensors and Wiring
  108. 1990 Eldorado displays wrong diagnostic parameters in CCDIC
  109. Complete bog down on acceleration when warm, wants to die.
  110. 1989 Deville F32/Running issues..Please Help
  111. what other factor could cause soot?
  112. in over my head...
  113. 4100 soot
  114. 83 pulsing gas pedal and codes 27 52 71..
  115. 83 Seville HT 4100 throttle?
  116. Turbo or super for a 1989 fleetwood
  117. Valve Cover Powdercoating
  118. 93 DeVille 4.9 Questions
  119. 1988 Deville 4.5L oil problems in Russia
  120. 95 deville 4.9 cooling fan & ac fan dont work
  121. 4100 HT Idle speed setting
  122. An update on my custom intake setup...
  123. 4100 Service Now / Codes
  124. Valve cover color
  125. 4.9 Idle Adjustment on '93 DeVille ?
  126. Poor mpg
  127. help with 85 eldorado alternator wiring
  128. 4.9L Intake manifold gasket install. Any tips?
  129. Check engine help!?!?
  130. Timing and error code 26
  131. 4100 still running better to rebuild or replace
  132. 4t60e stock converter stall speed
  133. Is my head gasket blown 94 cadillac sedan deville????
  134. Is my head gasket blown 94 cadillac sedan deville????
  135. cables
  136. Codes 4.9
  137. 4.5L ACDelco Spark Plug Question
  138. 4.9 low rpm/light throttle stumbling/bucking
  139. 4.9L 91 Seville power loss... at a loss..
  140. 1987 Deville 4.1 to 4.9 Conversion
  141. 97 Seville cooling
  142. Vacuum connection for heating?
  143. 1994 Deville 4.9 Engine Stalling
  144. Oil pressure specs for 4.1 at idle
  145. Oil pressure specs
  146. 91 Deville engine skip
  147. 4t60e chain and sprocket question
  148. 1st and 2nd design oil pressure switch?
  149. 1983 sed Deville 4100 0ut 1999-2002 Chevy 5.3 in
  150. 4100HT shuts down in sharp left corners
  151. What are my engine replacement options - Current engine is a transverse HT4100
  152. Vid: Cadillacs 1982 HT4100, the Development and Manufacturing
  153. JUST BOUGHT 1995 DEVILLE. Stalling and MAP Code issue?? and Possible related problem
  154. 4.9L coolant issues
  155. Upgrading and restoring a 4.9
  156. Brown sludge?
  157. oil pressure light 4.9 liter
  158. pvc valve housing possible vacuum leak?
  159. ACDELCO best water pump?
  160. 84 CDV Code 37 and Code 53 (need help)
  161. water pump tool?
  162. 4.5 hesitation, stumble, poor mpg; smog pump bypassed
  163. Replacing Air pump fan belt Problems
  164. I need a pic if anybody's got one
  165. 84 CDV need help on firing order and distributor wiring
  166. 4100 stalling after intake gasket repair
  167. 4.9 Injectors
  168. 1983 ht4100 enginge lower end knocking
  169. Ht4100 :(
  170. Can soneone give me a part number?
  171. 4.5 belt tensioner; is bearing replaceable?
  172. 4.9 litre tune up 94 deville
  173. Starting issue -- 91 Eldorado
  174. 4.9 Info Needed
  175. Oh Sh*%! I lost my head.
  176. Remove oil pump on cadillac eldorado 1985 ?
  177. 1985 eldorado biarritz won't start
  178. 4.9 pulled head bolt threads
  179. Hesitation on an 83 cadillac fleetwood brougham with HT4100 motor
  180. 95 sedan shuts down while driving
  181. 93 SDV 4.9 spark plug replacement post mortem (can't edit other thread)
  182. Driving along and suddenly, DEAD!
  183. Starter Gear Clearance
  184. Replacing original plugs/wires 93 SDV........wish me luck!
  185. 4.9 - intake
  186. Idle Problems After Mechanic
  187. Lurching '91 Deville
  188. Can FWD HT 4100 eng and transmission be installed together?
  189. '82 Fleetwood D'elegance coupe problem :(
  190. replacing water pump on my old '84 DeVille 4.1 engine
  191. What are the symptoms of CVJ’s failing?
  192. distributor question
  193. Car not starting
  194. Problem with 1990 Seville 4.5
  195. change spark plugs, 1989 seville 4.5
  196. Oil Leaking from "Everywhere"
  197. 4.1 to 4.1 swap, how hard can it really be???
  198. School of hard knocks
  199. 90 deville 4.5 stalling problems
  200. 1983 Eldorado engine running problem!
  201. Carburetor on V8 4100 HT Eldorado 1985 ?
  202. need some help with my 1994 Deville 4.9L v8
  203. Did I miss anything?
  204. hard starting 1997 STS
  205. 1991 Cadillac Biarittz - Engine problem.
  206. First Caddy Questions
  207. The best engine to put in my Eldo Cadillac?
  208. Stumped!
  209. 1990 cadillac deville
  210. Please Help - error code 19 on 84 Deville ht4100
  211. Fuel Pump Relay - 84 Deville HT4100
  212. Where is the oil pressure switch located - 84 Deville HT4100
  213. Remanufactured 4.1 available
  214. 4.9 Belt Tensioner Question
  215. Rough Running 4.9 - Please Help !
  216. Removing the AIR pump, HT4100
  217. 4T60-E Transaxle, feels like park paw spring is worn out.
  218. Seville Swap: from 83 HT4100 to 81 368
  219. 86 seville 4.1 low engine power-issue
  220. leftover 4.x parts
  221. 4.5 RWD engines for sale?? would this work??
  222. '85 Seville HT 4100 MAP location & mystery connectors ?
  223. awesome 440T4->4T65E conversion
  224. Difficult to start engine in Eldorado 1983
  225. Rough Idle on low mileage 91 Eldorado
  226. "system problem"
  227. Purpose for detent switch and kickdown?
  228. Basics for operating ECM on 84 Deville HT4100??
  229. 4.5 Overheating. Need help
  230. PD08 and Spark Timing
  231. Where is the a/c low pressure valve on a 1990 Seville?
  232. 1985 DeVille Whats That, (Fuel System Canister Valve?)
  233. 4.5 will not go into timing mode, desperately seeking advice
  234. Torque Specs
  235. Looking to replace camshaft to fix lack of power & hesitation - ht4100
  236. HT 4100 engine problem
  237. 84 cadillac eldorado ht4100 rough idle at acceleration
  238. ISC Adjustment & the mysterious green connector
  239. Thinking of picking up an '83 Fleetwood HT4100
  240. Advice, please: 4.9 Cruise Control Cable Stuck
  241. 1995 Sedan Deville HEAD Gasket
  242. 88 seville instrument panel
  243. Need Help with timing/tune-up on 84 Cadillac Deville HT4100
  244. Bad Misfire on Low Mile 4.9 (1991 Eldorado)
  245. thinking about getting mods on 4.5
  246. Vapor Canister Filter
  247. Oil for 4100
  248. Code E49 Air Injection System Fault
  249. 4.5 distributor removal
  250. significant improvements in 94/95 4.9?