: HT4100 4.1, 4.5, 4.9



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  1. Changed Plugs/Wires - then I got three codes...
  2. Injectors solved the miss BUT fuel rail leaks bad
  3. My 1986 Coupe De Ville 4.1L startup
  4. Diesel Oil For 4.9?
  5. 4.9 mystery issue....
  6. Looking for a Great Mechanic in Los Angeles, CA.
  7. HT4100 4.1, need help finding this part!
  8. Need Help in OKLAHOMA CITY
  9. Engine coolant level sensor
  10. E91 Code
  11. Your experience with the HT 4100?
  12. Performance engine for Deville 1984
  13. Coupe DeVille 4.1 1984 Error codes 32,34,36,52
  14. 4.9 injector replacement questions
  15. Minimum Air Settings for 82 Cad 4.1 V8 HT4100
  16. Where can I get a reliable turnkey 4.5 liter cadillac motor?
  17. Surging Idle on 82 Cad Fleetwood
  18. 4.9 High NOx, Failed Smog, stumped and need help!
  19. 4.1 Loose disconnected wire 1982 Coupe DeVille
  20. 82 Coupe DeVille 4.1 Belt Replacement
  21. (HT4100 4.1) 82 Coupe DeVille loose wire coming from firewall....
  22. Cooling fan start 4.9
  23. 82 Deville Persistent Code E26 with Check engine Light on
  24. Torque, harmonic balancer 4,9
  25. 1993 4.9 O2 sensor locations ?
  26. 84 cadillac fleetwood brougham d elegance rough idle
  27. 1992 STS 4.9 poor throttle response?
  28. HT4100 SandRail Dune Buggy
  29. 4.1 power problem
  30. Dull clattering at idle
  31. HT4100 A/C bypass diagram
  32. 93 deville cooler lines
  33. 1984 eldorado cadillac, 4.1 .
  34. Oil Filter Adapter/ Distributor Removal
  35. 4100 distributor thrust washer
  36. 1986 Hearse 24 hours of LeMons Race car !
  37. ht 4100 questions
  38. 92 eldorado 4.9L
  39. Coolant supplement Tabs
  40. New ISC Motor Issue
  41. 93 Eldorado starter wiring
  42. 1992 4dr Deville
  43. mileage on your 4.9
  44. 11 !/2 miles per gallon ?
  45. 1985 Seville 4.1L Head Bolts
  46. Injectors
  47. 4.5 main bearings
  48. leaking/Cracked 88 4.5 Engine Block
  49. R4 compressor jump
  50. 1994 4.9L Eldorado - how many O2 sensors.
  51. A/c Cycles every 8-15 seconds-88 Eldorado
  52. ISC issue
  53. Mysterious missing issue
  54. tick tick ticking
  55. 4.1 Troubles on my 84 Deville
  56. Code E053 question
  57. oil leak in filter area - 85 eldo 4.1
  58. Fuel consumption and outside temp
  59. Changing lifters
  60. valve tap after changing oil - 85 eldo 4.1
  61. Head Bolts
  62. HT 4100 83' Deville Problems
  63. Looking to upgrade injectors ..91 4.9
  64. Instructions on changing the coolant in an HT-4100?
  65. Refresh HT4100 85 Seville
  66. Noise after changing Oil 4.1 CDV
  67. swapping 440-T4
  68. 4.1 Coupe Freshining Up with pics
  69. Coolant Pellets, Tabs.. are these them?
  70. 1985 Eldo transplant...
  71. School Me !
  72. 4.9 random stalls
  73. new here with some questions
  74. 4.9 cold start knock what is it??
  75. Motor mount change 1985 FWD Seville
  76. 1992 sts 4.9
  77. 92 Allante 4.5 returning E041 Cam sensor
  78. 1985 cadillac eldorado 4.1 engine
  79. Tranny shifting points
  80. 4.1 PCV breather hose
  81. ROTELLA T 15W-40 tell me i did the right thing
  82. fuel meter body gasket 85 eldo 4.11
  83. anyone in need of engine parts for 4.1/ 4.5/ 4.9 L engine ?? I have a lot
  84. Map Sensor
  85. Compatible oil pan for 92 Deville
  86. 440-T4 > 4T6X-E conversion
  87. question about diagnostics mode - 85 eldo
  88. timing gear. 85 eldo
  89. oil pump qustions - 85 ht4100 eldo
  90. full tune - up / now running a bit wierd 85 eldo
  91. accel supercoil on 85 4.1
  92. quick question 85 4.1
  93. EGR SOLENOID 85 Seville
  94. Please don't tell me my injectors are failing...
  95. EGR Valve. 'P' or 'N' type ?
  96. 85 eldo upcoming purchase questions
  97. 4.9 engine oil pump needed
  98. Timing advance car nut
  99. 1984 Seville 4.1 - need head bolt set
  100. 4.9 Hall effects switch change... turns into new distributor
  101. Can not get 1987 4.1 to run correct or is it even possible without the computer
  102. Mid 80's edorado... Do or dont???
  103. Timing marks for 4.1 1984 engine
  104. 4.1 Oscillating/Hunting idle , any suggestions besides...
  105. Ht4100 Supplement Pellets nowadays ?
  106. 85 Eldorado 4.1
  107. 1991 Seville 4.9 - Idles fine, dies immediately after giving it gas
  108. What year and model is this engine from?
  109. 1985 Eldorado Touring coupe, NO FUEL SITUATION
  110. 82 Seville not idiling or running correctly
  111. 1985 eldorado touring coupe distributor/top dead center help.
  112. 1995 Deville - FPR replacement tips ?
  113. HT4100 pre-purchase help......
  114. 1985 ELDORADO HT4100 ,ANY IDEA Where this connector goes?
  115. 1984 Cadillac fleetwood brougham.
  116. 1986 Eldorado 4.1 v8 (fwd) Water pump Removal
  117. HT4100 to 350 swap. Need sound advice. Please!!!!
  118. Vacuum hose sizes/locations for a '94 deville 4.9?
  119. pinging problems 1994 Deville 4.9
  120. Replace head gaskets or not? HT4100
  121. 1985 Eldorado running rough at sustained high speeds
  122. 1985 eldorado 4100 intake manifold gaskets install
  123. Need help! Having starting problems with my 84 Coupe DeVille
  124. Installing a Cadillac 4.9 in a 1985 Eldorado.
  125. 1985 4100 hard starting
  126. 92 deville alternator
  127. HT 4100 Camshaft break-in!
  128. 84 coupe deville 4.1 rwd
  129. 4.5 "main brg thump"
  130. HT 4100 Rocker arm support train
  131. Capped hose from vapor canister? 95 4.9 Deville
  132. swap 1987 4.1 to 4.5
  133. anyone need new pistons?
  134. Crap...sludge under oil filler cap...
  135. Timing Issue
  136. 1986 Cadillac Fleetwood 75 Ht4100 Running Very Rough
  137. First time Cadillac owner - bad 4.1 engine
  138. P048 code - detonation at load 95 deville 4.9
  139. Oil light coming on at idle...
  140. Idle Control
  141. Allante intake
  142. HT4100 82 Seville engine replacement options
  143. Need help trouble shooting my 92 deville. Alternator/MAP sensor/exhaust gas recirc.
  144. Service A/c Light 4.9 '93 Sedan...
  145. 84 Seville headgasket or?
  146. 4100 HT rocker arm bridge
  147. 88 4.5 has no power and wants to die.
  148. FPR and Injectors 4.9
  149. HT4100 Intake Gasket Question
  150. Coolant guage sensor location help
  151. gear selector fault
  152. At what temp should the radiator fan come on?
  153. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  154. Repairing a blower motor power module
  155. 1984 Eldorado code 15 won't start
  156. I have a code 27 on an 84 SDV
  157. No vacuum to EGR valve ... 4.9 engine
  158. EGR System photos 83 4.1
  159. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  160. 1992 eldorado 4.9 no start.
  161. 4.1 liter HT-4100
  162. Headbolts
  163. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  164. Engine issues & out of ideas ! 1991 4.9
  165. 4.5L Burnt tire smell from engine
  166. Operarating temperatue 4.1 engine 1985 eldorado
  167. 4.5l Valve Cover Gasket Replacement
  168. Distributor gear problem
  169. time to upgrade the 4.1, seeking advise
  170. No heat!!!!!!
  171. Service Soon digital dash Out
  172. 4.9L Oil Consumption
  173. HT4100 Brake Loss
  174. Warming up a 4.9/ turn off in trafgic
  175. 1990 Eldorado running rough
  176. 91 Deville - 4.9 swaps
  177. Electronic Fan Module & Cooling Fan Fault 9
  178. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  179. Dirt in coolant? w/pic 4.5L
  180. E046
  181. removing 4.9
  182. OBD confusion
  183. RPM vs. highway speed ?
  184. Seville 4.1L V8 Engine - to South Africa
  185. Extremely Erratic Idle Until Operating Temperature
  186. Identifying distributor
  187. Rough Idle w/ Brake Booster Loss
  188. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  189. 95 deville shocks all four corner???
  190. Intermittent stalling
  191. 1990 eldorado over heating and coolant boiling
  192. Why and what is it making that noise? (Video included)
  193. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  194. 1992 Cadillac Seville
  195. 1985 Eldorado Roadster (4100)
  196. 4.9 Cable Wrapping Questions
  197. Seville 1990 code ED32
  198. 4.9 flooding when shut off
  199. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  200. Newbie looking for ground(s)
  201. Digital Dash 86 deville
  202. 1990 DeVille, 4.5l engine issues
  203. radiator fun
  204. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  205. tranny swap 1992 sedan deville
  206. Can I get a timing cover for a '93 4.9L?
  207. Waterpmp AGAIN!
  208. 1995 Deville - 4.9 head gasket
  209. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  210. Need cadillac mechanic
  211. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  212. Is it worth the $?
  213. 92 seville timing cover torque specs
  214. 88 fleetwood engine randomly dies
  215. Check Engine Light?
  216. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  217. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  218. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  219. 1995 Deville 4.9 randomly dies...
  220. HT 4100 oil pan capacity question
  221. 82 4100 eldorado.shutting off..
  222. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  223. Random overheating
  224. 1982 eldorado with 4100.''oil pump question..''
  225. 1982 eldorado oil pressure sending unit wires
  226. Re-manufactured HT4100 engine, oil is leaking at exhaust manifold by cylinder 6.
  227. hello gentlemen
  228. hello all
  229. 82 Eldo Digital Dash likes to dance
  230. 88 deville bubbling
  231. 1984 eldorado biarritz
  232. 1989 4.5L overboring
  233. Super high idle - 1992 Fleetwood
  234. 82 Eldo Updating Sensors and Wiring
  235. 1990 Eldorado displays wrong diagnostic parameters in CCDIC
  236. Complete bog down on acceleration when warm, wants to die.
  237. 1989 Deville F32/Running issues..Please Help
  238. what other factor could cause soot?
  239. in over my head...
  240. 4100 soot
  241. 83 pulsing gas pedal and codes 27 52 71..
  242. 83 Seville HT 4100 throttle?
  243. Turbo or super for a 1989 fleetwood
  244. Valve Cover Powdercoating
  245. 93 DeVille 4.9 Questions
  246. 1988 Deville 4.5L oil problems in Russia
  247. 95 deville 4.9 cooling fan & ac fan dont work
  248. 4100 HT Idle speed setting
  249. An update on my custom intake setup...
  250. 4100 Service Now / Codes