: HT4100 4.1, 4.5, 4.9



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