View Full Version : HT4100 4.1, 4.5, 4.9



Pages : [1] 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

  1. Convert 4.9L Distributor to 1 wire non-electronic
  2. 92 Deville runs rough. See pics
  3. 1992 DeVille 4.9 Oil Pan Removal
  4. 4100 issue, need help!
  5. Crank Damper Pulley
  6. Replace alternator on 4.9 seville 1991
  7. 1985 Fleetwood 4.1
  8. Questions about my 84 Eldo with coolant leak.
  9. 4.1HT fwd to rwd
  10. 4.1 Fleetwood RWD - codes 13,27,34 - car cant accelerate
  11. drain all coolant
  12. 91 eldorado 4.9 no heat
  13. 4.9 Coupe 92 Waterpump/harmonic balancer help
  14. Mind of its own
  15. 94 4.9 PFI raw gas from exhaust
  16. 90 seville 4.5 pfi timing problems
  17. car drove with low power and hard shifts
  18. Help with adjust timing,OBD 23,20 (85,Eldorado 4.1)
  19. 83 Deville, cat removed> smog pump making noise> rough starts
  20. Understanding Fault Tree for E046 PCM Code
  21. HT4100 Serviceman bulletin for thermostat housing
  22. Crankshaft Diameter
  23. 85 Eldorado- currently major tuneup. Issues shifting ,fuel, and electrical
  24. 4100 Runs either perfect or horrible...
  25. coolant temp to cold?
  26. Replacing Northstar 4.6 with a 4.9 engine
  27. engine runs very rough the first few seconds after i turn it on
  28. Changed Plugs/Wires - then I got three codes...
  29. Injectors solved the miss BUT fuel rail leaks bad
  30. My 1986 Coupe De Ville 4.1L startup
  31. Diesel Oil For 4.9?
  32. 4.9 mystery issue....
  33. Looking for a Great Mechanic in Los Angeles, CA.
  34. HT4100 4.1, need help finding this part!
  35. Need Help in OKLAHOMA CITY
  36. Engine coolant level sensor
  37. E91 Code
  38. Your experience with the HT 4100?
  39. Performance engine for Deville 1984
  40. Coupe DeVille 4.1 1984 Error codes 32,34,36,52
  41. 4.9 injector replacement questions
  42. Minimum Air Settings for 82 Cad 4.1 V8 HT4100
  43. Where can I get a reliable turnkey 4.5 liter cadillac motor?
  44. Surging Idle on 82 Cad Fleetwood
  45. 4.9 High NOx, Failed Smog, stumped and need help!
  46. 4.1 Loose disconnected wire 1982 Coupe DeVille
  47. 82 Coupe DeVille 4.1 Belt Replacement
  48. (HT4100 4.1) 82 Coupe DeVille loose wire coming from firewall....
  49. Cooling fan start 4.9
  50. 82 Deville Persistent Code E26 with Check engine Light on
  51. Torque, harmonic balancer 4,9
  52. 1993 4.9 O2 sensor locations ?
  53. 84 cadillac fleetwood brougham d elegance rough idle
  54. 1992 STS 4.9 poor throttle response?
  55. HT4100 SandRail Dune Buggy
  56. 4.1 power problem
  57. Dull clattering at idle
  58. HT4100 A/C bypass diagram
  59. 93 deville cooler lines
  60. 1984 eldorado cadillac, 4.1 .
  61. Oil Filter Adapter/ Distributor Removal
  62. 4100 distributor thrust washer
  63. 1986 Hearse 24 hours of LeMons Race car !
  64. ht 4100 questions
  65. 92 eldorado 4.9L
  66. Coolant supplement Tabs
  67. New ISC Motor Issue
  68. 93 Eldorado starter wiring
  69. 1992 4dr Deville
  70. mileage on your 4.9
  71. 11 !/2 miles per gallon ?
  72. 1985 Seville 4.1L Head Bolts
  73. Injectors
  74. 4.5 main bearings
  75. leaking/Cracked 88 4.5 Engine Block
  76. R4 compressor jump
  77. 1994 4.9L Eldorado - how many O2 sensors.
  78. A/c Cycles every 8-15 seconds-88 Eldorado
  79. ISC issue
  80. Mysterious missing issue
  81. tick tick ticking
  82. 4.1 Troubles on my 84 Deville
  83. Code E053 question
  84. oil leak in filter area - 85 eldo 4.1
  85. Fuel consumption and outside temp
  86. Changing lifters
  87. valve tap after changing oil - 85 eldo 4.1
  88. Head Bolts
  89. HT 4100 83' Deville Problems
  90. Looking to upgrade injectors ..91 4.9
  91. Instructions on changing the coolant in an HT-4100?
  92. Refresh HT4100 85 Seville
  93. Noise after changing Oil 4.1 CDV
  94. swapping 440-T4
  95. 4.1 Coupe Freshining Up with pics
  96. Coolant Pellets, Tabs.. are these them?
  97. 1985 Eldo transplant...
  98. School Me !
  99. 4.9 random stalls
  100. new here with some questions
  101. 4.9 cold start knock what is it??
  102. Motor mount change 1985 FWD Seville
  103. 1992 sts 4.9
  104. 92 Allante 4.5 returning E041 Cam sensor
  105. 1985 cadillac eldorado 4.1 engine
  106. Tranny shifting points
  107. 4.1 PCV breather hose
  108. ROTELLA T 15W-40 tell me i did the right thing
  109. fuel meter body gasket 85 eldo 4.11
  110. anyone in need of engine parts for 4.1/ 4.5/ 4.9 L engine ?? I have a lot
  111. Map Sensor
  112. Compatible oil pan for 92 Deville
  113. 440-T4 > 4T6X-E conversion
  114. question about diagnostics mode - 85 eldo
  115. timing gear. 85 eldo
  116. oil pump qustions - 85 ht4100 eldo
  117. full tune - up / now running a bit wierd 85 eldo
  118. accel supercoil on 85 4.1
  119. quick question 85 4.1
  120. EGR SOLENOID 85 Seville
  121. Please don't tell me my injectors are failing...
  122. EGR Valve. 'P' or 'N' type ?
  123. 85 eldo upcoming purchase questions
  124. 4.9 engine oil pump needed
  125. Timing advance car nut
  126. 1984 Seville 4.1 - need head bolt set
  127. 4.9 Hall effects switch change... turns into new distributor
  128. Can not get 1987 4.1 to run correct or is it even possible without the computer
  129. Mid 80's edorado... Do or dont???
  130. Timing marks for 4.1 1984 engine
  131. 4.1 Oscillating/Hunting idle , any suggestions besides...
  132. Ht4100 Supplement Pellets nowadays ?
  133. 85 Eldorado 4.1
  134. 1991 Seville 4.9 - Idles fine, dies immediately after giving it gas
  135. What year and model is this engine from?
  136. 1985 Eldorado Touring coupe, NO FUEL SITUATION
  137. 82 Seville not idiling or running correctly
  138. 1985 eldorado touring coupe distributor/top dead center help.
  139. 1995 Deville - FPR replacement tips ?
  140. HT4100 pre-purchase help......
  141. 1985 ELDORADO HT4100 ,ANY IDEA Where this connector goes?
  142. 1984 Cadillac fleetwood brougham.
  143. 1986 Eldorado 4.1 v8 (fwd) Water pump Removal
  144. HT4100 to 350 swap. Need sound advice. Please!!!!
  145. Vacuum hose sizes/locations for a '94 deville 4.9?
  146. pinging problems 1994 Deville 4.9
  147. Replace head gaskets or not? HT4100
  148. 1985 Eldorado running rough at sustained high speeds
  149. 1985 eldorado 4100 intake manifold gaskets install
  150. Need help! Having starting problems with my 84 Coupe DeVille
  151. Installing a Cadillac 4.9 in a 1985 Eldorado.
  152. 1985 4100 hard starting
  153. 92 deville alternator
  154. HT 4100 Camshaft break-in!
  155. 84 coupe deville 4.1 rwd
  156. 4.5 "main brg thump"
  157. HT 4100 Rocker arm support train
  158. Capped hose from vapor canister? 95 4.9 Deville
  159. swap 1987 4.1 to 4.5
  160. anyone need new pistons?
  161. Crap...sludge under oil filler cap...
  162. Timing Issue
  163. 1986 Cadillac Fleetwood 75 Ht4100 Running Very Rough
  164. First time Cadillac owner - bad 4.1 engine
  165. P048 code - detonation at load 95 deville 4.9
  166. Oil light coming on at idle...
  167. Idle Control
  168. Allante intake
  169. HT4100 82 Seville engine replacement options
  170. Need help trouble shooting my 92 deville. Alternator/MAP sensor/exhaust gas recirc.
  171. Service A/c Light 4.9 '93 Sedan...
  172. 84 Seville headgasket or?
  173. 4100 HT rocker arm bridge
  174. 88 4.5 has no power and wants to die.
  175. FPR and Injectors 4.9
  176. HT4100 Intake Gasket Question
  177. Coolant guage sensor location help
  178. gear selector fault
  179. At what temp should the radiator fan come on?
  180. 91' Deville, 78k miles, running/accelerating rough, Need some help! No codes
  181. Repairing a blower motor power module
  182. 1984 Eldorado code 15 won't start
  183. I have a code 27 on an 84 SDV
  184. No vacuum to EGR valve ... 4.9 engine
  185. EGR System photos 83 4.1
  186. Accessing Spark Plugs on HT4100 - 1984 Cadillac Coupe DeVille
  187. 1992 eldorado 4.9 no start.
  188. 4.1 liter HT-4100
  189. Headbolts
  190. compression test on 1990 4.5L ? constant misfire, idling, under load, coasting...
  191. Engine issues & out of ideas ! 1991 4.9
  192. 4.5L Burnt tire smell from engine
  193. Operarating temperatue 4.1 engine 1985 eldorado
  194. 4.5l Valve Cover Gasket Replacement
  195. Distributor gear problem
  196. time to upgrade the 4.1, seeking advise
  197. No heat!!!!!!
  198. Service Soon digital dash Out
  199. 4.9L Oil Consumption
  200. HT4100 Brake Loss
  201. Warming up a 4.9/ turn off in trafgic
  202. 1990 Eldorado running rough
  203. 91 Deville - 4.9 swaps
  204. Electronic Fan Module & Cooling Fan Fault 9
  205. '92 Coupe deVille (4.9) shudders, knocks and vibrates on acceleration.
  206. Dirt in coolant? w/pic 4.5L
  207. E046
  208. removing 4.9
  209. OBD confusion
  210. RPM vs. highway speed ?
  211. Seville 4.1L V8 Engine - to South Africa
  212. Extremely Erratic Idle Until Operating Temperature
  213. Identifying distributor
  214. Rough Idle w/ Brake Booster Loss
  215. strong gas smell after motor turned off and exiting the vehical...no codes...95 devil
  216. 95 deville shocks all four corner???
  217. Intermittent stalling
  218. 1990 eldorado over heating and coolant boiling
  219. Why and what is it making that noise? (Video included)
  220. HT 4100 turns but will not start unless i spray starting fluid in the Carborator.
  221. 1992 Cadillac Seville
  222. 1985 Eldorado Roadster (4100)
  223. 4.9 Cable Wrapping Questions
  224. Seville 1990 code ED32
  225. 4.9 flooding when shut off
  226. 1984 Fleetwood Broughm d'elegence engine bogs down when hot
  227. Newbie looking for ground(s)
  228. Digital Dash 86 deville
  229. 1990 DeVille, 4.5l engine issues
  230. radiator fun
  231. 1987 DeVille Conv. 4.1 ICM still sets idle to high
  232. tranny swap 1992 sedan deville
  233. Can I get a timing cover for a '93 4.9L?
  234. Waterpmp AGAIN!
  235. 1995 Deville - 4.9 head gasket
  236. 4,1 L Eldorado '83 v/s 4,1 L cope dVille '85
  237. Need cadillac mechanic
  238. Late '85 HT 4100 white smoke from exhaust. Are there specific gasket tests?
  239. Is it worth the $?
  240. 92 seville timing cover torque specs
  241. 88 fleetwood engine randomly dies
  242. Check Engine Light?
  243. 1983 Cadillac Seville HT-4100 Vacuum Leak?
  244. '91 4.9 installed in a '85 Seville-can it be done and any thoughts
  245. 95 cadillac deville 4.9,no heat problem(nothing comes out of the main vents)
  246. 1995 Deville 4.9 randomly dies...
  247. HT 4100 oil pan capacity question
  248. 82 4100 eldorado.shutting off..
  249. 1990 Deville 141k runs slightly rough, high idle, maintains speed on highway by itsel
  250. Random overheating