: HT4100 4.1, 4.5, 4.9



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  1. Valve cover color
  2. 4.9 Idle Adjustment on '93 DeVille ?
  3. Poor mpg
  4. help with 85 eldorado alternator wiring
  5. 4.9L Intake manifold gasket install. Any tips?
  6. Check engine help!?!?
  7. Timing and error code 26
  8. 4100 still running better to rebuild or replace
  9. 4t60e stock converter stall speed
  10. Is my head gasket blown 94 cadillac sedan deville????
  11. Is my head gasket blown 94 cadillac sedan deville????
  12. cables
  13. Codes 4.9
  14. 4.5L ACDelco Spark Plug Question
  15. 4.9 low rpm/light throttle stumbling/bucking
  16. 4.9L 91 Seville power loss... at a loss..
  17. 1987 Deville 4.1 to 4.9 Conversion
  18. 97 Seville cooling
  19. Vacuum connection for heating?
  20. 1994 Deville 4.9 Engine Stalling
  21. Oil pressure specs for 4.1 at idle
  22. Oil pressure specs
  23. 91 Deville engine skip
  24. 4t60e chain and sprocket question
  25. 1st and 2nd design oil pressure switch?
  26. 1983 sed Deville 4100 0ut 1999-2002 Chevy 5.3 in
  27. 4100HT shuts down in sharp left corners
  28. What are my engine replacement options - Current engine is a transverse HT4100
  29. Vid: Cadillacs 1982 HT4100, the Development and Manufacturing
  30. JUST BOUGHT 1995 DEVILLE. Stalling and MAP Code issue?? and Possible related problem
  31. 4.9L coolant issues
  32. Upgrading and restoring a 4.9
  33. Brown sludge?
  34. oil pressure light 4.9 liter
  35. pvc valve housing possible vacuum leak?
  36. ACDELCO best water pump?
  37. 84 CDV Code 37 and Code 53 (need help)
  38. water pump tool?
  39. 4.5 hesitation, stumble, poor mpg; smog pump bypassed
  40. Replacing Air pump fan belt Problems
  41. I need a pic if anybody's got one
  42. 84 CDV need help on firing order and distributor wiring
  43. 4100 stalling after intake gasket repair
  44. 4.9 Injectors
  45. 1983 ht4100 enginge lower end knocking
  46. Ht4100 :(
  47. Can soneone give me a part number?
  48. 4.5 belt tensioner; is bearing replaceable?
  49. 4.9 litre tune up 94 deville
  50. Starting issue -- 91 Eldorado
  51. 4.9 Info Needed
  52. Oh Sh*%! I lost my head.
  53. Remove oil pump on cadillac eldorado 1985 ?
  54. 1985 eldorado biarritz won't start
  55. 4.9 pulled head bolt threads
  56. Hesitation on an 83 cadillac fleetwood brougham with HT4100 motor
  57. 95 sedan shuts down while driving
  58. 93 SDV 4.9 spark plug replacement post mortem (can't edit other thread)
  59. Driving along and suddenly, DEAD!
  60. Starter Gear Clearance
  61. Replacing original plugs/wires 93 SDV........wish me luck!
  62. 4.9 - intake
  63. Idle Problems After Mechanic
  64. Lurching '91 Deville
  65. Can FWD HT 4100 eng and transmission be installed together?
  66. '82 Fleetwood D'elegance coupe problem :(
  67. replacing water pump on my old '84 DeVille 4.1 engine
  68. What are the symptoms of CVJ’s failing?
  69. distributor question
  70. Car not starting
  71. Problem with 1990 Seville 4.5
  72. change spark plugs, 1989 seville 4.5
  73. Oil Leaking from "Everywhere"
  74. 4.1 to 4.1 swap, how hard can it really be???
  75. School of hard knocks
  76. 90 deville 4.5 stalling problems
  77. 1983 Eldorado engine running problem!
  78. Carburetor on V8 4100 HT Eldorado 1985 ?
  79. need some help with my 1994 Deville 4.9L v8
  80. Did I miss anything?
  81. hard starting 1997 STS
  82. 1991 Cadillac Biarittz - Engine problem.
  83. First Caddy Questions
  84. The best engine to put in my Eldo Cadillac?
  85. Stumped!
  86. 1990 cadillac deville
  87. Please Help - error code 19 on 84 Deville ht4100
  88. Fuel Pump Relay - 84 Deville HT4100
  89. Where is the oil pressure switch located - 84 Deville HT4100
  90. Remanufactured 4.1 available
  91. 4.9 Belt Tensioner Question
  92. Rough Running 4.9 - Please Help !
  93. Removing the AIR pump, HT4100
  94. 4T60-E Transaxle, feels like park paw spring is worn out.
  95. Seville Swap: from 83 HT4100 to 81 368
  96. 86 seville 4.1 low engine power-issue
  97. leftover 4.x parts
  98. 4.5 RWD engines for sale?? would this work??
  99. '85 Seville HT 4100 MAP location & mystery connectors ?
  100. awesome 440T4->4T65E conversion
  101. Difficult to start engine in Eldorado 1983
  102. Rough Idle on low mileage 91 Eldorado
  103. "system problem"
  104. Purpose for detent switch and kickdown?
  105. Basics for operating ECM on 84 Deville HT4100??
  106. 4.5 Overheating. Need help
  107. PD08 and Spark Timing
  108. Where is the a/c low pressure valve on a 1990 Seville?
  109. 1985 DeVille Whats That, (Fuel System Canister Valve?)
  110. 4.5 will not go into timing mode, desperately seeking advice
  111. Torque Specs
  112. Looking to replace camshaft to fix lack of power & hesitation - ht4100
  113. HT 4100 engine problem
  114. 84 cadillac eldorado ht4100 rough idle at acceleration
  115. ISC Adjustment & the mysterious green connector
  116. Thinking of picking up an '83 Fleetwood HT4100
  117. Advice, please: 4.9 Cruise Control Cable Stuck
  118. 1995 Sedan Deville HEAD Gasket
  119. 88 seville instrument panel
  120. Need Help with timing/tune-up on 84 Cadillac Deville HT4100
  121. Bad Misfire on Low Mile 4.9 (1991 Eldorado)
  122. thinking about getting mods on 4.5
  123. Vapor Canister Filter
  124. Oil for 4100
  125. Code E49 Air Injection System Fault
  126. 4.5 distributor removal
  127. significant improvements in 94/95 4.9?
  128. Name the Emission Tube for 1990 4.5
  129. source for 4.x cylinder sleeves
  130. 4.9 throttle body interchange data
  131. Engine Swap Process
  132. 4.9 Individual Throttle Body project
  133. 91 Deville - skipping and no 1st or 4th gear-HELP
  134. 96 deville alternator
  135. Falling MPG - 1990 Deville/Fleetwood
  136. 4.5 carb and distributor conversion
  137. A/C Repair
  138. 4.9 running rough after spark plug change Help!
  139. New annoying message: "Change Oil Soon" (just changed it last month!)
  140. 4.9 Horrible Idle
  141. 1993 Distributor, and Minimum Air
  142. 4.1L Idle Speed Issues
  143. 4.9 blown head gasket
  144. codes i pulled from my cadi
  145. idle engine engine hot please help
  146. Oil in coolant, 4.5
  147. 1985 Cadillac El Dorado water pump!
  148. Bad A/C Delco Waterpump. 91 Eldo 4.9 Anything better than AC Delco Waterpumps?
  149. 90' 4.5L Deville Head Bolt Leaking
  150. 4.9 no crank
  151. car is dieing at idle. P048 current trouble code.
  152. 93 Seville 4.9L sporadic miss at idle. Spark Plugs?
  153. Intermittent throttle sticking
  154. Looking for HT4100 Cylinder head guide pin
  155. E 90 Code - VCC Brake Switch Signal Problem
  156. squeeling under the hood
  157. Broke hose
  158. A Time To Celebrate
  159. 7mpg average! Help if anyone can.
  160. Heater Core Replace BRRR COLD!
  161. WARNING! 4.9L Dayco Tensioner Pulley warning: DO NOT BUY #231081!!!
  162. Throttle Questions
  163. HT4100 (4.5 sleeves) Head Bolt Torque Sequence and Specifications?
  164. 1986 Seville HT4100-Overcooling issue
  165. Can't find the engine temperature switch.
  166. Need Help PLEASE HELP!!! Oil dipstick problem
  167. Cold Air Intake?
  168. Oil pan and pump
  169. Can bad ECM cause 85 fleetwood brougham ht4100 miss bad, backfire and barely run?
  170. New Car Got Questions????
  171. the notorious 4.1 thump
  172. Recently rebuilt 85 ht4100...was fine....all of a sudden struggling and backfiring
  173. 4100 Valve train not oiling
  174. E49 code and possible solutions.
  175. timing
  176. 1990 Seville-Message DTC R026 / RO33
  177. E47
  178. burning
  179. e23 and e27
  180. Idle speed control problem? 90 Deville 4.5
  181. E37 code manifold air temp. sensor
  182. 85 fleet ht4100 fwd
  183. Disributor slop question
  184. 1988 Cadillac DeVille 4.5L gas gauge issue
  185. Fuel Line
  186. 4.9 oil pump in 4.5
  187. Colder Spark Plugs
  188. Twinkling lights
  189. Stainless steel exhaust, 90 Deville
  190. 4.1 Intial Timing Question
  191. 92 Deville stalling and backfiring
  192. 4.1 TPS Question
  193. 4.5L Deville runnability issues/ emissions problems
  194. Can I supercharge my 2008 STS AWD?
  195. 85 eldo w/4100
  196. UGH watter pump gasket
  197. Do Not Overfill!
  198. Techheads, answer me this:
  199. allante 4.5! awesome
  200. Replacing head gasket on 1992 4.9
  201. Fuel Imbalance (Left and Right Bank)
  202. leaky rear main oil seal
  203. Persistant Leaking
  204. Coolant Header Tank
  205. Exhaust manifold gaskets
  206. How to adjust idle speed on '91 Eldorado 4,5l V8 ?
  207. Do I have a blown head? And should I replace my motor? 93 Sedan Deville 4.9L V8
  208. What engines are compatible with 93 Sedan Deville?
  209. 4100 to 307 swap (ITS ALIVE!)
  210. high idle after washing engine
  211. spark plugs
  212. 4.9 stumbling right off idle
  213. @50MPH & above; Doggy and slight vibration
  214. Trying to Identify this Hose
  215. 4.1 to a 4.5
  216. 4.x perf options
  217. 93 deville turn signal problems
  218. Oxygen Sensor Code 44
  219. 4.5 in an Isuzu Trooper
  220. 1990 Fleetwood fwd 4.5L Surges and looses power when warm
  221. 84 Eldorado torsion bar anchors
  222. power steering pump bracket
  223. cooling fans
  224. need to replace a couple fuel injectors, any advice before pulling the fuel rail, etc
  225. 84 eldo. antena
  226. replacing a 4.1
  227. Where do I connect Tach
  228. So how old is too old for injectors?
  229. 4.9L missing
  230. Ht4100 question
  231. HT4100 Exhaust Manifold Gaskets
  232. Transmission is shot
  233. 93 deville running great
  234. Fuel Pump runs, but car won't start!
  235. 4.5 distributer 180 out?
  236. 4.9 Distributor / Timing question
  237. Changing Final Drive ratio/ ECM tuning
  238. looking for a good 4100 mechanic
  239. '84 4.1 idles up and down when the A/C is on
  240. Transmission acting funny
  241. HT4100 upkeep and maintenence
  242. 1995 Deville EGR problems ?
  243. P.A.S.S. security system
  244. What is effected by an E0112?
  245. Clunkin Sound
  246. lost my top-end
  247. What is F15 code? ('90 DeVille 4.5)
  248. '84 Eldorado 4100 vacuum readings
  249. Interchangeability HT4100
  250. O2 sensors : 1 righ and 1 lean