: HT4100 4.1, 4.5, 4.9



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  1. Almost ready to pull the ht4100
  2. no fuel
  3. Safety Safety Safety !
  4. A Little Different No Start Problem
  5. 95 Deville Wont Start...Boo
  6. 4.9 being weird help!!!
  7. A/C help?????
  8. E67 error, any ideas?
  9. Water in door!
  10. Air Conditioning
  11. A/C Question for '92 STS
  12. ITS DONE....I finally have a smooth QUIET Cadillac
  13. ht4100 mounting to engine stand bolt size?
  14. '94 4.9 won't start!
  15. 1988 Alante will not run
  16. Swap Question 4100 (electronics)
  17. Let me tell you, water pump replacement is a pain in the @$$.
  18. 4T60E slipping
  19. Proper Engine Break In Reman 4.1
  20. Cadillac Coral?
  21. 4.1 Biarritz hesitation and stalling - long with lots of info!
  22. Marked surge at light throttle
  23. 4.1 Saddened
  24. 95 deville 4.9 miss at idle
  25. newbie
  26. Repeated O2 Sensor Problem 91 4.9l
  27. Bars Golden Seal Powder Stop Leak And Other Stuff (Deals?)
  28. Need second opinion 4.1 swap to northstar
  29. gonna replace the 4100 on 83 cadillac deville would it be possible to put a chevy 350
  30. Is my 4.9 on the way out?
  31. Installing Reman Ht 4.1 Oil And Coolant Suggestions
  32. What should I do if I put too much bars leak in?
  33. E-030 + Poor Mileage + Bouncing High Idle At Startup
  34. Transmission Looseing fluid , 1 qt per minute
  35. OMG..Maybe it is the water pump. THIS IS ANNOYING.
  36. can the 4.5 handle and 50-75 shot of nitrous
  37. tps................. help!
  38. Took off the belt and its not the waterpump making noise..need help
  39. EGR Malfunction -- Please Help
  40. Waterpump Replacement
  41. Muffler pictures
  42. Throttle position sensor question
  43. advancing the timing question
  44. Vibrating noise around throttle body
  45. 4.9 spark knock
  46. Muffler
  47. Changed coolant without pellets; what to do??
  48. injectors
  49. 94 sedan deville serpentine belt
  50. How hard to replace radiator out of 92 Deville?
  51. Crack in exhaust manifold
  52. Help Plz
  53. Re:Eldo 403FI swap w/MEGASQUIRT ?
  54. Turns out I have a bad water pump.
  55. replacing 4.1 with chevy 5.0
  56. 4.9 leaking oil?
  57. gaskets, paint, parts cleaner
  58. ht 4100 4.1 swap to a 4.9
  59. Questions About Eldorado Country site/info ---403FI swap
  60. 87 DeVille 36k ori. miles
  61. Codes are back!
  62. HP gains from no cat?
  63. 91 deville oxygen sensor(s) location
  64. 1988 deville fuel pump harness question
  65. 1990 SDV tranny- Please help
  66. 88 eldo Special fuel line tool?
  67. Car make caveman brain hurt
  68. Need help with front main bearing!
  69. Surging/cutting out? 1991 Deville 4.9
  70. Gasket to Oil line connector in Radiator.
  71. OH-NO!! The dreaded 4.1 "knocking".
  72. Bbob - Don't flush trans
  73. 94 deville , distrib will be turned the wrong way soon
  74. 93 Caddy seville 4.9
  75. Octane booster/ fuel saver
  76. Rough running (4.1) and ditrib question
  77. engine almost plucked
  78. Replacing Water Pump Too Often
  79. Like illumina said "or that pesky gm module"
  80. to chip or not to chip???
  81. Rebuilding my '88 THM440-T4 ie 4t60
  82. exhaust sound when it rains
  83. Slight Problem, need help
  84. Timming a '85 RWD 4.1...
  85. My mechanic recommended not using bars leak sealant?
  86. quiet, thoaty exhaust
  87. Do you have to set timing after change distributor and cap?
  88. procharger supercharger?
  89. Oil Adapter Hose Fittings
  90. Car won't start; noticed no spark at plug
  91. 90devilleguy, a question about your Muffler!
  92. smog pump replacement 4.5
  93. 83 Eldo Touring 4.1 Engine HELP
  94. 4.9L seville stall/restart problem
  95. Hot starting idling
  96. 4.9 family no hot start issue fix
  97. New to Forum seeking Info in 83 Eldo 4.1 swap and trans
  98. 1990 Cadillac Fleetwood 4.5 FWD
  99. Car cuts Off
  100. another issue (gas guzzler)
  101. part II to my car starting mystery
  102. Trouble codes
  103. car cut off and didn't start until the next day
  104. 1988 Cad SDV motor mounts
  105. 92 STS Engine Stall at low speed...HELP !
  106. Hey aguthmiller I have a few questions
  107. Water in the Oil ... How can it get there?
  108. Will new distributor cap and rotor make car run better?
  109. 94 Deville 4.9 Part Throttle Ping
  110. 92 4.9L Engine Reassembly - my heads are off and engine is in car.
  111. water in oil - Broke down on trip in Coffee Springs Alabama
  112. stuttering problem at idle
  113. 4.5 for 4.1 swap
  114. Got myself an 82 Coupe Deville, having some probs..
  115. 90 sedan deville right blinker acting up
  116. Will top end cleaning be good or bad for an engine with 130K on it??
  117. ALDL location
  118. Best swap for 4.1?
  119. What should I expect for my 0-60
  120. Fuel Pump circuit problem 84 Brougham
  121. 1984 Sedan DeVille over 200,000 miles?
  122. 90 Seville, Code E041
  123. **TH440 - 4.5 FWD - Trans **
  124. 89 4.5 deville overheated
  125. Flowmaster Muffler Installation Pics
  126. 4T60E Leak , ENOUGH IS ENOUGH !!
  127. 90 deville 4.5 125k doggin on freeway
  128. Aftermarket for 4.9?
  129. 4.1 Driveability Problem
  130. Code 44 on '85 Fleetwood Brougham
  131. What's Wrong with My Cadillac?
  132. 4.1/4.5 pros and cons?
  133. Oil leak from under car!
  134. Still having 4.9 idle down problems
  135. 4.9 Vs Northstar
  136. 4.9 emergency..broke something
  137. How hard is it to change the distributor cap and rotor on the 4.9??
  138. HT 4100 Diagnostic Codes
  139. 1989 Eldo help
  140. 4.1 engine timing!! Help...
  141. Engine Swap thoughts!
  142. '85 Fleetwood Brougham 4100
  143. AC won't blow!!!!
  144. Best Oil For HT 4100
  145. how do i enter set timing mode
  146. how to disable traction control on 92 deville?
  147. Muscle car pancake air filter
  148. 4T60 Transaxle or 4T60E what's the diff.
  149. How do I clean the throttle body?
  150. help...change oil soon light on
  151. HT 4100 Engine is it that bad
  152. Tune Ups
  153. Is it hard to find the4 pin plug on tranny?
  154. Woe Is Me!
  155. exhaust venting in cabin
  156. Help with timing advance....
  157. Need Help from Bangkok, Thailand
  158. Quick Timing Question
  159. Voltage out of range(E16), BBOB??
  160. 4.9 muffler for sound
  161. Transmission Fliud Change
  162. More for the Premium 93 vs 89 Debate
  163. Help for83 Fleetwwod
  164. Radiator cooling fan
  165. 4.5 Heads
  166. engine timing in 92 Eldorado
  167. Serious surging.
  168. experiment...MPG...ACTUAL vs. COMPUTER
  169. Service Engine Light Comming on.
  170. Improving Handling
  171. 4.9 cadillac external upgrades
  172. 4.9 deville boring sleeves
  173. So much for putting off the waterpump job
  174. '92 Seville 4.9 questions
  175. 92 ETC:Type of Power Steering Fluid?
  176. 95 Deville No Spark
  177. my cars exhaust sound from inside the car
  178. service sss
  179. lever on seat? 83 eldo
  180. '89 Deville valve cover gasket replacement
  181. car sounds like a lawnmower!!!!
  182. 1992 4.9 with code E46
  183. Where to buy Trans Pan Gasket and Trans Filter w/Gasket
  184. Computer Chip--Shift Kit--Or B&M Shift Plus??
  185. catalytic converter
  186. power steering
  187. 4100 up keep.
  188. z max
  189. transmission modulator
  190. Engine Metal Temperature Switch
  191. F85 error?
  192. Flow Charts?????????????
  193. 90 backfires
  194. Silver and Red V8 PFI engine paint chipping.
  195. 85 fleet fwd trans modulator location?
  196. 1984 , 1985 eldo convertible
  197. Error code 27
  198. 4.1 to 4.9 swap
  199. Searched codes for the first time and I need help.
  200. error E46 where to start?
  201. 1992 Eldorado 4.9l A/C Help...
  202. Error code E31 (93 Deville 4.9L)
  203. 4.9 air filter question...
  204. please help
  205. 88 4.5 Coupe Deville
  206. Rough Idle, stalls and hesitations, but...
  207. Need Help with BarsLeak and Radiator drain!
  208. '92 4.9 operating temp
  209. Engine etc.
  210. Distributor Cap
  211. Car is running rich
  212. 4.1 oil capacity
  213. no heat in cab + overheating
  214. My 88 Sedan Deville, HELP!!!
  215. Removing Alternator On 91 4.9
  216. 4.9 Battery Cables?
  217. Performance Muffler - Ideas?
  218. Should I flush tranny at 52K????
  219. Need Allante Parts - HELP
  220. 251 Belt Problems? Alternator/Fan not working.
  221. 4.1 no start
  222. 4.9:Emission Fail, High HC
  223. Cooling System Pressure Test
  224. 4.9 cam specs.
  225. Requesting 4.5 89' Info
  226. 1988 Eldo fuel tank swap
  227. AC duct rattle
  228. 4.5 running like poop
  229. New Electric "Turbo" not supercharger!
  230. coolant leak in 94 sedan deville (4.9)
  231. a few error codes
  232. She rufuses to be fixed
  233. 4.9 in a 85 fiero with caddy trans
  234. ISC motor acts sticky
  235. egr questions
  236. 88 Coupe deVille backfire
  237. Codes E01-E11, E95?
  238. Self Sticky - 4.9 Engine History and Changes
  239. smog pump adjustment
  240. new to forum
  241. engine missing
  242. 4.9 Idling fast and intermittent service light
  243. Interesting comparison.....
  244. Help! Caddy died and won't start
  245. popping sound when 4.9 is being raced....
  246. performance parts
  247. Injectors & Struts...
  248. 4.5L - 155hp, 180hp, 200hp variants and questions!
  249. power steering pulley
  250. 4.9 better than Northstar?