: HT4100 4.1, 4.5, 4.9



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  1. 1988 Deville 4.5L oil problems in Russia
  2. 95 deville 4.9 cooling fan & ac fan dont work
  3. 4100 HT Idle speed setting
  4. An update on my custom intake setup...
  5. 4100 Service Now / Codes
  6. Valve cover color
  7. 4.9 Idle Adjustment on '93 DeVille ?
  8. Poor mpg
  9. help with 85 eldorado alternator wiring
  10. 4.9L Intake manifold gasket install. Any tips?
  11. Check engine help!?!?
  12. Timing and error code 26
  13. 4100 still running better to rebuild or replace
  14. 4t60e stock converter stall speed
  15. Is my head gasket blown 94 cadillac sedan deville????
  16. Is my head gasket blown 94 cadillac sedan deville????
  17. cables
  18. Codes 4.9
  19. 4.5L ACDelco Spark Plug Question
  20. 4.9 low rpm/light throttle stumbling/bucking
  21. 4.9L 91 Seville power loss... at a loss..
  22. 1987 Deville 4.1 to 4.9 Conversion
  23. 97 Seville cooling
  24. Vacuum connection for heating?
  25. 1994 Deville 4.9 Engine Stalling
  26. Oil pressure specs for 4.1 at idle
  27. Oil pressure specs
  28. 91 Deville engine skip
  29. 4t60e chain and sprocket question
  30. 1st and 2nd design oil pressure switch?
  31. 1983 sed Deville 4100 0ut 1999-2002 Chevy 5.3 in
  32. 4100HT shuts down in sharp left corners
  33. What are my engine replacement options - Current engine is a transverse HT4100
  34. Vid: Cadillacs 1982 HT4100, the Development and Manufacturing
  35. JUST BOUGHT 1995 DEVILLE. Stalling and MAP Code issue?? and Possible related problem
  36. 4.9L coolant issues
  37. Upgrading and restoring a 4.9
  38. Brown sludge?
  39. oil pressure light 4.9 liter
  40. pvc valve housing possible vacuum leak?
  41. ACDELCO best water pump?
  42. 84 CDV Code 37 and Code 53 (need help)
  43. water pump tool?
  44. 4.5 hesitation, stumble, poor mpg; smog pump bypassed
  45. Replacing Air pump fan belt Problems
  46. I need a pic if anybody's got one
  47. 84 CDV need help on firing order and distributor wiring
  48. 4100 stalling after intake gasket repair
  49. 4.9 Injectors
  50. 1983 ht4100 enginge lower end knocking
  51. Ht4100 :(
  52. Can soneone give me a part number?
  53. 4.5 belt tensioner; is bearing replaceable?
  54. 4.9 litre tune up 94 deville
  55. Starting issue -- 91 Eldorado
  56. 4.9 Info Needed
  57. Oh Sh*%! I lost my head.
  58. Remove oil pump on cadillac eldorado 1985 ?
  59. 1985 eldorado biarritz won't start
  60. 4.9 pulled head bolt threads
  61. Hesitation on an 83 cadillac fleetwood brougham with HT4100 motor
  62. 95 sedan shuts down while driving
  63. 93 SDV 4.9 spark plug replacement post mortem (can't edit other thread)
  64. Driving along and suddenly, DEAD!
  65. Starter Gear Clearance
  66. Replacing original plugs/wires 93 SDV........wish me luck!
  67. 4.9 - intake
  68. Idle Problems After Mechanic
  69. Lurching '91 Deville
  70. Can FWD HT 4100 eng and transmission be installed together?
  71. '82 Fleetwood D'elegance coupe problem :(
  72. replacing water pump on my old '84 DeVille 4.1 engine
  73. What are the symptoms of CVJ’s failing?
  74. distributor question
  75. Car not starting
  76. Problem with 1990 Seville 4.5
  77. change spark plugs, 1989 seville 4.5
  78. Oil Leaking from "Everywhere"
  79. 4.1 to 4.1 swap, how hard can it really be???
  80. School of hard knocks
  81. 90 deville 4.5 stalling problems
  82. 1983 Eldorado engine running problem!
  83. Carburetor on V8 4100 HT Eldorado 1985 ?
  84. need some help with my 1994 Deville 4.9L v8
  85. Did I miss anything?
  86. hard starting 1997 STS
  87. 1991 Cadillac Biarittz - Engine problem.
  88. First Caddy Questions
  89. The best engine to put in my Eldo Cadillac?
  90. Stumped!
  91. 1990 cadillac deville
  92. Please Help - error code 19 on 84 Deville ht4100
  93. Fuel Pump Relay - 84 Deville HT4100
  94. Where is the oil pressure switch located - 84 Deville HT4100
  95. Remanufactured 4.1 available
  96. 4.9 Belt Tensioner Question
  97. Rough Running 4.9 - Please Help !
  98. Removing the AIR pump, HT4100
  99. 4T60-E Transaxle, feels like park paw spring is worn out.
  100. Seville Swap: from 83 HT4100 to 81 368
  101. 86 seville 4.1 low engine power-issue
  102. leftover 4.x parts
  103. 4.5 RWD engines for sale?? would this work??
  104. '85 Seville HT 4100 MAP location & mystery connectors ?
  105. awesome 440T4->4T65E conversion
  106. Difficult to start engine in Eldorado 1983
  107. Rough Idle on low mileage 91 Eldorado
  108. "system problem"
  109. Purpose for detent switch and kickdown?
  110. Basics for operating ECM on 84 Deville HT4100??
  111. 4.5 Overheating. Need help
  112. PD08 and Spark Timing
  113. Where is the a/c low pressure valve on a 1990 Seville?
  114. 1985 DeVille Whats That, (Fuel System Canister Valve?)
  115. 4.5 will not go into timing mode, desperately seeking advice
  116. Torque Specs
  117. Looking to replace camshaft to fix lack of power & hesitation - ht4100
  118. HT 4100 engine problem
  119. 84 cadillac eldorado ht4100 rough idle at acceleration
  120. ISC Adjustment & the mysterious green connector
  121. Thinking of picking up an '83 Fleetwood HT4100
  122. Advice, please: 4.9 Cruise Control Cable Stuck
  123. 1995 Sedan Deville HEAD Gasket
  124. 88 seville instrument panel
  125. Need Help with timing/tune-up on 84 Cadillac Deville HT4100
  126. Bad Misfire on Low Mile 4.9 (1991 Eldorado)
  127. thinking about getting mods on 4.5
  128. Vapor Canister Filter
  129. Oil for 4100
  130. Code E49 Air Injection System Fault
  131. 4.5 distributor removal
  132. significant improvements in 94/95 4.9?
  133. Name the Emission Tube for 1990 4.5
  134. source for 4.x cylinder sleeves
  135. 4.9 throttle body interchange data
  136. Engine Swap Process
  137. 4.9 Individual Throttle Body project
  138. 91 Deville - skipping and no 1st or 4th gear-HELP
  139. 96 deville alternator
  140. Falling MPG - 1990 Deville/Fleetwood
  141. 4.5 carb and distributor conversion
  142. A/C Repair
  143. 4.9 running rough after spark plug change Help!
  144. New annoying message: "Change Oil Soon" (just changed it last month!)
  145. 4.9 Horrible Idle
  146. 1993 Distributor, and Minimum Air
  147. 4.1L Idle Speed Issues
  148. 4.9 blown head gasket
  149. codes i pulled from my cadi
  150. idle engine engine hot please help
  151. Oil in coolant, 4.5
  152. 1985 Cadillac El Dorado water pump!
  153. Bad A/C Delco Waterpump. 91 Eldo 4.9 Anything better than AC Delco Waterpumps?
  154. 90' 4.5L Deville Head Bolt Leaking
  155. 4.9 no crank
  156. car is dieing at idle. P048 current trouble code.
  157. 93 Seville 4.9L sporadic miss at idle. Spark Plugs?
  158. Intermittent throttle sticking
  159. Looking for HT4100 Cylinder head guide pin
  160. E 90 Code - VCC Brake Switch Signal Problem
  161. squeeling under the hood
  162. Broke hose
  163. A Time To Celebrate
  164. 7mpg average! Help if anyone can.
  165. Heater Core Replace BRRR COLD!
  166. WARNING! 4.9L Dayco Tensioner Pulley warning: DO NOT BUY #231081!!!
  167. Throttle Questions
  168. HT4100 (4.5 sleeves) Head Bolt Torque Sequence and Specifications?
  169. 1986 Seville HT4100-Overcooling issue
  170. Can't find the engine temperature switch.
  171. Need Help PLEASE HELP!!! Oil dipstick problem
  172. Cold Air Intake?
  173. Oil pan and pump
  174. Can bad ECM cause 85 fleetwood brougham ht4100 miss bad, backfire and barely run?
  175. New Car Got Questions????
  176. the notorious 4.1 thump
  177. Recently rebuilt 85 ht4100...was fine....all of a sudden struggling and backfiring
  178. 4100 Valve train not oiling
  179. E49 code and possible solutions.
  180. timing
  181. 1990 Seville-Message DTC R026 / RO33
  182. E47
  183. burning
  184. e23 and e27
  185. Idle speed control problem? 90 Deville 4.5
  186. E37 code manifold air temp. sensor
  187. 85 fleet ht4100 fwd
  188. Disributor slop question
  189. 1988 Cadillac DeVille 4.5L gas gauge issue
  190. Fuel Line
  191. 4.9 oil pump in 4.5
  192. Colder Spark Plugs
  193. Twinkling lights
  194. Stainless steel exhaust, 90 Deville
  195. 4.1 Intial Timing Question
  196. 92 Deville stalling and backfiring
  197. 4.1 TPS Question
  198. 4.5L Deville runnability issues/ emissions problems
  199. Can I supercharge my 2008 STS AWD?
  200. 85 eldo w/4100
  201. UGH watter pump gasket
  202. Do Not Overfill!
  203. Techheads, answer me this:
  204. allante 4.5! awesome
  205. Replacing head gasket on 1992 4.9
  206. Fuel Imbalance (Left and Right Bank)
  207. leaky rear main oil seal
  208. Persistant Leaking
  209. Coolant Header Tank
  210. Exhaust manifold gaskets
  211. How to adjust idle speed on '91 Eldorado 4,5l V8 ?
  212. Do I have a blown head? And should I replace my motor? 93 Sedan Deville 4.9L V8
  213. What engines are compatible with 93 Sedan Deville?
  214. 4100 to 307 swap (ITS ALIVE!)
  215. high idle after washing engine
  216. spark plugs
  217. 4.9 stumbling right off idle
  218. @50MPH & above; Doggy and slight vibration
  219. Trying to Identify this Hose
  220. 4.1 to a 4.5
  221. 4.x perf options
  222. 93 deville turn signal problems
  223. Oxygen Sensor Code 44
  224. 4.5 in an Isuzu Trooper
  225. 1990 Fleetwood fwd 4.5L Surges and looses power when warm
  226. 84 Eldorado torsion bar anchors
  227. power steering pump bracket
  228. cooling fans
  229. need to replace a couple fuel injectors, any advice before pulling the fuel rail, etc
  230. 84 eldo. antena
  231. replacing a 4.1
  232. Where do I connect Tach
  233. So how old is too old for injectors?
  234. 4.9L missing
  235. Ht4100 question
  236. HT4100 Exhaust Manifold Gaskets
  237. Transmission is shot
  238. 93 deville running great
  239. Fuel Pump runs, but car won't start!
  240. 4.5 distributer 180 out?
  241. 4.9 Distributor / Timing question
  242. Changing Final Drive ratio/ ECM tuning
  243. looking for a good 4100 mechanic
  244. '84 4.1 idles up and down when the A/C is on
  245. Transmission acting funny
  246. HT4100 upkeep and maintenence
  247. 1995 Deville EGR problems ?
  248. P.A.S.S. security system
  249. What is effected by an E0112?
  250. Clunkin Sound