: HT4100 4.1, 4.5, 4.9



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  1. Instructions on changing the coolant in an HT-4100?
  2. Refresh HT4100 85 Seville
  3. Noise after changing Oil 4.1 CDV
  4. swapping 440-T4
  5. 4.1 Coupe Freshining Up with pics
  6. Coolant Pellets, Tabs.. are these them?
  7. 1985 Eldo transplant...
  8. School Me !
  9. 4.9 random stalls
  10. new here with some questions
  11. 4.9 cold start knock what is it??
  12. Motor mount change 1985 FWD Seville
  13. 1992 sts 4.9
  14. 92 Allante 4.5 returning E041 Cam sensor
  15. 1985 cadillac eldorado 4.1 engine
  16. Tranny shifting points
  17. 4.1 PCV breather hose
  18. ROTELLA T 15W-40 tell me i did the right thing
  19. fuel meter body gasket 85 eldo 4.11
  20. anyone in need of engine parts for 4.1/ 4.5/ 4.9 L engine ?? I have a lot
  21. Map Sensor
  22. Compatible oil pan for 92 Deville
  23. 440-T4 > 4T6X-E conversion
  24. question about diagnostics mode - 85 eldo
  25. timing gear. 85 eldo
  26. oil pump qustions - 85 ht4100 eldo
  27. full tune - up / now running a bit wierd 85 eldo
  28. accel supercoil on 85 4.1
  29. quick question 85 4.1
  30. EGR SOLENOID 85 Seville
  31. Please don't tell me my injectors are failing...
  32. EGR Valve. 'P' or 'N' type ?
  33. 85 eldo upcoming purchase questions
  34. 4.9 engine oil pump needed
  35. Timing advance car nut
  36. 1984 Seville 4.1 - need head bolt set
  37. 4.9 Hall effects switch change... turns into new distributor
  38. Can not get 1987 4.1 to run correct or is it even possible without the computer
  39. Mid 80's edorado... Do or dont???
  40. Timing marks for 4.1 1984 engine
  41. 4.1 Oscillating/Hunting idle , any suggestions besides...
  42. Ht4100 Supplement Pellets nowadays ?
  43. 85 Eldorado 4.1
  44. 1991 Seville 4.9 - Idles fine, dies immediately after giving it gas
  45. What year and model is this engine from?
  46. 1985 Eldorado Touring coupe, NO FUEL SITUATION
  47. 82 Seville not idiling or running correctly
  48. 1985 eldorado touring coupe distributor/top dead center help.
  49. 1995 Deville - FPR replacement tips ?
  50. HT4100 pre-purchase help......
  51. 1985 ELDORADO HT4100 ,ANY IDEA Where this connector goes?
  52. 1984 Cadillac fleetwood brougham.
  53. 1986 Eldorado 4.1 v8 (fwd) Water pump Removal
  54. HT4100 to 350 swap. Need sound advice. Please!!!!
  55. Vacuum hose sizes/locations for a '94 deville 4.9?
  56. pinging problems 1994 Deville 4.9
  57. Replace head gaskets or not? HT4100
  58. 1985 Eldorado running rough at sustained high speeds
  59. 1985 eldorado 4100 intake manifold gaskets install
  60. Need help! Having starting problems with my 84 Coupe DeVille
  61. Installing a Cadillac 4.9 in a 1985 Eldorado.
  62. 1985 4100 hard starting
  63. 92 deville alternator
  64. HT 4100 Camshaft break-in!
  65. 84 coupe deville 4.1 rwd
  66. 4.5 "main brg thump"
  67. HT 4100 Rocker arm support train
  68. Capped hose from vapor canister? 95 4.9 Deville
  69. swap 1987 4.1 to 4.5
  70. anyone need new pistons?
  71. Crap...sludge under oil filler cap...
  72. Timing Issue
  73. 1986 Cadillac Fleetwood 75 Ht4100 Running Very Rough
  74. First time Cadillac owner - bad 4.1 engine
  75. P048 code - detonation at load 95 deville 4.9
  76. Oil light coming on at idle...
  77. Idle Control
  78. Allante intake
  79. HT4100 82 Seville engine replacement options
  80. Need help trouble shooting my 92 deville. Alternator/MAP sensor/exhaust gas recirc.
  81. Service A/c Light 4.9 '93 Sedan...
  82. 84 Seville headgasket or?
  83. 4100 HT rocker arm bridge
  84. 88 4.5 has no power and wants to die.
  85. FPR and Injectors 4.9
  86. HT4100 Intake Gasket Question
  87. Coolant guage sensor location help
  88. gear selector fault
  89. At what temp should the radiator fan come on?
  90. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  91. Repairing a blower motor power module
  92. 1984 Eldorado code 15 won't start
  93. I have a code 27 on an 84 SDV
  94. No vacuum to EGR valve ... 4.9 engine
  95. EGR System photos 83 4.1
  96. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  97. 1992 eldorado 4.9 no start.
  98. 4.1 liter HT-4100
  99. Headbolts
  100. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  101. Engine issues & out of ideas ! 1991 4.9
  102. 4.5L Burnt tire smell from engine
  103. Operarating temperatue 4.1 engine 1985 eldorado
  104. 4.5l Valve Cover Gasket Replacement
  105. Distributor gear problem
  106. time to upgrade the 4.1, seeking advise
  107. No heat!!!!!!
  108. Service Soon digital dash Out
  109. 4.9L Oil Consumption
  110. HT4100 Brake Loss
  111. Warming up a 4.9/ turn off in trafgic
  112. 1990 Eldorado running rough
  113. 91 Deville - 4.9 swaps
  114. Electronic Fan Module & Cooling Fan Fault 9
  115. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  116. Dirt in coolant? w/pic 4.5L
  117. E046
  118. removing 4.9
  119. OBD confusion
  120. RPM vs. highway speed ?
  121. Seville 4.1L V8 Engine - to South Africa
  122. Extremely Erratic Idle Until Operating Temperature
  123. Identifying distributor
  124. Rough Idle w/ Brake Booster Loss
  125. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  126. 95 deville shocks all four corner???
  127. Intermittent stalling
  128. 1990 eldorado over heating and coolant boiling
  129. Why and what is it making that noise? (Video included)
  130. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  131. 1992 Cadillac Seville
  132. 1985 Eldorado Roadster (4100)
  133. 4.9 Cable Wrapping Questions
  134. Seville 1990 code ED32
  135. 4.9 flooding when shut off
  136. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  137. Newbie looking for ground(s)
  138. Digital Dash 86 deville
  139. 1990 DeVille, 4.5l engine issues
  140. radiator fun
  141. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  142. tranny swap 1992 sedan deville
  143. Can I get a timing cover for a '93 4.9L?
  144. Waterpmp AGAIN!
  145. 1995 Deville - 4.9 head gasket
  146. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  147. Need cadillac mechanic
  148. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  149. Is it worth the $?
  150. 92 seville timing cover torque specs
  151. 88 fleetwood engine randomly dies
  152. Check Engine Light?
  153. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  154. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  155. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  156. 1995 Deville 4.9 randomly dies...
  157. HT 4100 oil pan capacity question
  158. 82 4100 eldorado.shutting off..
  159. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  160. Random overheating
  161. 1982 eldorado with 4100.''oil pump question..''
  162. 1982 eldorado oil pressure sending unit wires
  163. Re-manufactured HT4100 engine, oil is leaking at exhaust manifold by cylinder 6.
  164. hello gentlemen
  165. hello all
  166. 82 Eldo Digital Dash likes to dance
  167. 88 deville bubbling
  168. 1984 eldorado biarritz
  169. 1989 4.5L overboring
  170. Super high idle - 1992 Fleetwood
  171. 82 Eldo Updating Sensors and Wiring
  172. 1990 Eldorado displays wrong diagnostic parameters in CCDIC
  173. Complete bog down on acceleration when warm, wants to die.
  174. 1989 Deville F32/Running issues..Please Help
  175. what other factor could cause soot?
  176. in over my head...
  177. 4100 soot
  178. 83 pulsing gas pedal and codes 27 52 71..
  179. 83 Seville HT 4100 throttle?
  180. Turbo or super for a 1989 fleetwood
  181. Valve Cover Powdercoating
  182. 93 DeVille 4.9 Questions
  183. 1988 Deville 4.5L oil problems in Russia
  184. 95 deville 4.9 cooling fan & ac fan dont work
  185. 4100 HT Idle speed setting
  186. An update on my custom intake setup...
  187. 4100 Service Now / Codes
  188. Valve cover color
  189. 4.9 Idle Adjustment on '93 DeVille ?
  190. Poor mpg
  191. help with 85 eldorado alternator wiring
  192. 4.9L Intake manifold gasket install. Any tips?
  193. Check engine help!?!?
  194. Timing and error code 26
  195. 4100 still running better to rebuild or replace
  196. 4t60e stock converter stall speed
  197. Is my head gasket blown 94 cadillac sedan deville????
  198. Is my head gasket blown 94 cadillac sedan deville????
  199. cables
  200. Codes 4.9
  201. 4.5L ACDelco Spark Plug Question
  202. 4.9 low rpm/light throttle stumbling/bucking
  203. 4.9L 91 Seville power loss... at a loss..
  204. 1987 Deville 4.1 to 4.9 Conversion
  205. 97 Seville cooling
  206. Vacuum connection for heating?
  207. 1994 Deville 4.9 Engine Stalling
  208. Oil pressure specs for 4.1 at idle
  209. Oil pressure specs
  210. 91 Deville engine skip
  211. 4t60e chain and sprocket question
  212. 1st and 2nd design oil pressure switch?
  213. 1983 sed Deville 4100 0ut 1999-2002 Chevy 5.3 in
  214. 4100HT shuts down in sharp left corners
  215. What are my engine replacement options - Current engine is a transverse HT4100
  216. Vid: Cadillacs 1982 HT4100, the Development and Manufacturing
  217. JUST BOUGHT 1995 DEVILLE. Stalling and MAP Code issue?? and Possible related problem
  218. 4.9L coolant issues
  219. Upgrading and restoring a 4.9
  220. Brown sludge?
  221. oil pressure light 4.9 liter
  222. pvc valve housing possible vacuum leak?
  223. ACDELCO best water pump?
  224. 84 CDV Code 37 and Code 53 (need help)
  225. water pump tool?
  226. 4.5 hesitation, stumble, poor mpg; smog pump bypassed
  227. Replacing Air pump fan belt Problems
  228. I need a pic if anybody's got one
  229. 84 CDV need help on firing order and distributor wiring
  230. 4100 stalling after intake gasket repair
  231. 4.9 Injectors
  232. 1983 ht4100 enginge lower end knocking
  233. Ht4100 :(
  234. Can soneone give me a part number?
  235. 4.5 belt tensioner; is bearing replaceable?
  236. 4.9 litre tune up 94 deville
  237. Starting issue -- 91 Eldorado
  238. 4.9 Info Needed
  239. Oh Sh*%! I lost my head.
  240. Remove oil pump on cadillac eldorado 1985 ?
  241. 1985 eldorado biarritz won't start
  242. 4.9 pulled head bolt threads
  243. Hesitation on an 83 cadillac fleetwood brougham with HT4100 motor
  244. 95 sedan shuts down while driving
  245. 93 SDV 4.9 spark plug replacement post mortem (can't edit other thread)
  246. Driving along and suddenly, DEAD!
  247. Starter Gear Clearance
  248. Replacing original plugs/wires 93 SDV........wish me luck!
  249. 4.9 - intake
  250. Idle Problems After Mechanic