: HT4100 4.1, 4.5, 4.9



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  1. E91 Code
  2. Your experience with the HT 4100?
  3. Performance engine for Deville 1984
  4. Coupe DeVille 4.1 1984 Error codes 32,34,36,52
  5. 4.9 injector replacement questions
  6. Minimum Air Settings for 82 Cad 4.1 V8 HT4100
  7. Where can I get a reliable turnkey 4.5 liter cadillac motor?
  8. Surging Idle on 82 Cad Fleetwood
  9. 4.9 High NOx, Failed Smog, stumped and need help!
  10. 4.1 Loose disconnected wire 1982 Coupe DeVille
  11. 82 Coupe DeVille 4.1 Belt Replacement
  12. (HT4100 4.1) 82 Coupe DeVille loose wire coming from firewall....
  13. Cooling fan start 4.9
  14. 82 Deville Persistent Code E26 with Check engine Light on
  15. Torque, harmonic balancer 4,9
  16. 1993 4.9 O2 sensor locations ?
  17. 84 cadillac fleetwood brougham d elegance rough idle
  18. 1992 STS 4.9 poor throttle response?
  19. HT4100 SandRail Dune Buggy
  20. 4.1 power problem
  21. Dull clattering at idle
  22. HT4100 A/C bypass diagram
  23. 93 deville cooler lines
  24. 1984 eldorado cadillac, 4.1 .
  25. Oil Filter Adapter/ Distributor Removal
  26. 4100 distributor thrust washer
  27. 1986 Hearse 24 hours of LeMons Race car !
  28. ht 4100 questions
  29. 92 eldorado 4.9L
  30. Coolant supplement Tabs
  31. New ISC Motor Issue
  32. 93 Eldorado starter wiring
  33. 1992 4dr Deville
  34. mileage on your 4.9
  35. 11 !/2 miles per gallon ?
  36. 1985 Seville 4.1L Head Bolts
  37. Injectors
  38. 4.5 main bearings
  39. leaking/Cracked 88 4.5 Engine Block
  40. R4 compressor jump
  41. 1994 4.9L Eldorado - how many O2 sensors.
  42. A/c Cycles every 8-15 seconds-88 Eldorado
  43. ISC issue
  44. Mysterious missing issue
  45. tick tick ticking
  46. 4.1 Troubles on my 84 Deville
  47. Code E053 question
  48. oil leak in filter area - 85 eldo 4.1
  49. Fuel consumption and outside temp
  50. Changing lifters
  51. valve tap after changing oil - 85 eldo 4.1
  52. Head Bolts
  53. HT 4100 83' Deville Problems
  54. Looking to upgrade injectors ..91 4.9
  55. Instructions on changing the coolant in an HT-4100?
  56. Refresh HT4100 85 Seville
  57. Noise after changing Oil 4.1 CDV
  58. swapping 440-T4
  59. 4.1 Coupe Freshining Up with pics
  60. Coolant Pellets, Tabs.. are these them?
  61. 1985 Eldo transplant...
  62. School Me !
  63. 4.9 random stalls
  64. new here with some questions
  65. 4.9 cold start knock what is it??
  66. Motor mount change 1985 FWD Seville
  67. 1992 sts 4.9
  68. 92 Allante 4.5 returning E041 Cam sensor
  69. 1985 cadillac eldorado 4.1 engine
  70. Tranny shifting points
  71. 4.1 PCV breather hose
  72. ROTELLA T 15W-40 tell me i did the right thing
  73. fuel meter body gasket 85 eldo 4.11
  74. anyone in need of engine parts for 4.1/ 4.5/ 4.9 L engine ?? I have a lot
  75. Map Sensor
  76. Compatible oil pan for 92 Deville
  77. 440-T4 > 4T6X-E conversion
  78. question about diagnostics mode - 85 eldo
  79. timing gear. 85 eldo
  80. oil pump qustions - 85 ht4100 eldo
  81. full tune - up / now running a bit wierd 85 eldo
  82. accel supercoil on 85 4.1
  83. quick question 85 4.1
  84. EGR SOLENOID 85 Seville
  85. Please don't tell me my injectors are failing...
  86. EGR Valve. 'P' or 'N' type ?
  87. 85 eldo upcoming purchase questions
  88. 4.9 engine oil pump needed
  89. Timing advance car nut
  90. 1984 Seville 4.1 - need head bolt set
  91. 4.9 Hall effects switch change... turns into new distributor
  92. Can not get 1987 4.1 to run correct or is it even possible without the computer
  93. Mid 80's edorado... Do or dont???
  94. Timing marks for 4.1 1984 engine
  95. 4.1 Oscillating/Hunting idle , any suggestions besides...
  96. Ht4100 Supplement Pellets nowadays ?
  97. 85 Eldorado 4.1
  98. 1991 Seville 4.9 - Idles fine, dies immediately after giving it gas
  99. What year and model is this engine from?
  100. 1985 Eldorado Touring coupe, NO FUEL SITUATION
  101. 82 Seville not idiling or running correctly
  102. 1985 eldorado touring coupe distributor/top dead center help.
  103. 1995 Deville - FPR replacement tips ?
  104. HT4100 pre-purchase help......
  105. 1985 ELDORADO HT4100 ,ANY IDEA Where this connector goes?
  106. 1984 Cadillac fleetwood brougham.
  107. 1986 Eldorado 4.1 v8 (fwd) Water pump Removal
  108. HT4100 to 350 swap. Need sound advice. Please!!!!
  109. Vacuum hose sizes/locations for a '94 deville 4.9?
  110. pinging problems 1994 Deville 4.9
  111. Replace head gaskets or not? HT4100
  112. 1985 Eldorado running rough at sustained high speeds
  113. 1985 eldorado 4100 intake manifold gaskets install
  114. Need help! Having starting problems with my 84 Coupe DeVille
  115. Installing a Cadillac 4.9 in a 1985 Eldorado.
  116. 1985 4100 hard starting
  117. 92 deville alternator
  118. HT 4100 Camshaft break-in!
  119. 84 coupe deville 4.1 rwd
  120. 4.5 "main brg thump"
  121. HT 4100 Rocker arm support train
  122. Capped hose from vapor canister? 95 4.9 Deville
  123. swap 1987 4.1 to 4.5
  124. anyone need new pistons?
  125. Crap...sludge under oil filler cap...
  126. Timing Issue
  127. 1986 Cadillac Fleetwood 75 Ht4100 Running Very Rough
  128. First time Cadillac owner - bad 4.1 engine
  129. P048 code - detonation at load 95 deville 4.9
  130. Oil light coming on at idle...
  131. Idle Control
  132. Allante intake
  133. HT4100 82 Seville engine replacement options
  134. Need help trouble shooting my 92 deville. Alternator/MAP sensor/exhaust gas recirc.
  135. Service A/c Light 4.9 '93 Sedan...
  136. 84 Seville headgasket or?
  137. 4100 HT rocker arm bridge
  138. 88 4.5 has no power and wants to die.
  139. FPR and Injectors 4.9
  140. HT4100 Intake Gasket Question
  141. Coolant guage sensor location help
  142. gear selector fault
  143. At what temp should the radiator fan come on?
  144. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  145. Repairing a blower motor power module
  146. 1984 Eldorado code 15 won't start
  147. I have a code 27 on an 84 SDV
  148. No vacuum to EGR valve ... 4.9 engine
  149. EGR System photos 83 4.1
  150. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  151. 1992 eldorado 4.9 no start.
  152. 4.1 liter HT-4100
  153. Headbolts
  154. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  155. Engine issues & out of ideas ! 1991 4.9
  156. 4.5L Burnt tire smell from engine
  157. Operarating temperatue 4.1 engine 1985 eldorado
  158. 4.5l Valve Cover Gasket Replacement
  159. Distributor gear problem
  160. time to upgrade the 4.1, seeking advise
  161. No heat!!!!!!
  162. Service Soon digital dash Out
  163. 4.9L Oil Consumption
  164. HT4100 Brake Loss
  165. Warming up a 4.9/ turn off in trafgic
  166. 1990 Eldorado running rough
  167. 91 Deville - 4.9 swaps
  168. Electronic Fan Module & Cooling Fan Fault 9
  169. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  170. Dirt in coolant? w/pic 4.5L
  171. E046
  172. removing 4.9
  173. OBD confusion
  174. RPM vs. highway speed ?
  175. Seville 4.1L V8 Engine - to South Africa
  176. Extremely Erratic Idle Until Operating Temperature
  177. Identifying distributor
  178. Rough Idle w/ Brake Booster Loss
  179. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  180. 95 deville shocks all four corner???
  181. Intermittent stalling
  182. 1990 eldorado over heating and coolant boiling
  183. Why and what is it making that noise? (Video included)
  184. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  185. 1992 Cadillac Seville
  186. 1985 Eldorado Roadster (4100)
  187. 4.9 Cable Wrapping Questions
  188. Seville 1990 code ED32
  189. 4.9 flooding when shut off
  190. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  191. Newbie looking for ground(s)
  192. Digital Dash 86 deville
  193. 1990 DeVille, 4.5l engine issues
  194. radiator fun
  195. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  196. tranny swap 1992 sedan deville
  197. Can I get a timing cover for a '93 4.9L?
  198. Waterpmp AGAIN!
  199. 1995 Deville - 4.9 head gasket
  200. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  201. Need cadillac mechanic
  202. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  203. Is it worth the $?
  204. 92 seville timing cover torque specs
  205. 88 fleetwood engine randomly dies
  206. Check Engine Light?
  207. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  208. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  209. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  210. 1995 Deville 4.9 randomly dies...
  211. HT 4100 oil pan capacity question
  212. 82 4100 eldorado.shutting off..
  213. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  214. Random overheating
  215. 1982 eldorado with 4100.''oil pump question..''
  216. 1982 eldorado oil pressure sending unit wires
  217. Re-manufactured HT4100 engine, oil is leaking at exhaust manifold by cylinder 6.
  218. hello gentlemen
  219. hello all
  220. 82 Eldo Digital Dash likes to dance
  221. 88 deville bubbling
  222. 1984 eldorado biarritz
  223. 1989 4.5L overboring
  224. Super high idle - 1992 Fleetwood
  225. 82 Eldo Updating Sensors and Wiring
  226. 1990 Eldorado displays wrong diagnostic parameters in CCDIC
  227. Complete bog down on acceleration when warm, wants to die.
  228. 1989 Deville F32/Running issues..Please Help
  229. what other factor could cause soot?
  230. in over my head...
  231. 4100 soot
  232. 83 pulsing gas pedal and codes 27 52 71..
  233. 83 Seville HT 4100 throttle?
  234. Turbo or super for a 1989 fleetwood
  235. Valve Cover Powdercoating
  236. 93 DeVille 4.9 Questions
  237. 1988 Deville 4.5L oil problems in Russia
  238. 95 deville 4.9 cooling fan & ac fan dont work
  239. 4100 HT Idle speed setting
  240. An update on my custom intake setup...
  241. 4100 Service Now / Codes
  242. Valve cover color
  243. 4.9 Idle Adjustment on '93 DeVille ?
  244. Poor mpg
  245. help with 85 eldorado alternator wiring
  246. 4.9L Intake manifold gasket install. Any tips?
  247. Check engine help!?!?
  248. Timing and error code 26
  249. 4100 still running better to rebuild or replace
  250. 4t60e stock converter stall speed