: HT4100 4.1, 4.5, 4.9



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  1. Water in door!
  2. Air Conditioning
  3. A/C Question for '92 STS
  4. ITS DONE....I finally have a smooth QUIET Cadillac
  5. ht4100 mounting to engine stand bolt size?
  6. '94 4.9 won't start!
  7. 1988 Alante will not run
  8. Swap Question 4100 (electronics)
  9. Let me tell you, water pump replacement is a pain in the @$$.
  10. 4T60E slipping
  11. Proper Engine Break In Reman 4.1
  12. Cadillac Coral?
  13. 4.1 Biarritz hesitation and stalling - long with lots of info!
  14. Marked surge at light throttle
  15. 4.1 Saddened
  16. 95 deville 4.9 miss at idle
  17. newbie
  18. Repeated O2 Sensor Problem 91 4.9l
  19. Bars Golden Seal Powder Stop Leak And Other Stuff (Deals?)
  20. Need second opinion 4.1 swap to northstar
  21. gonna replace the 4100 on 83 cadillac deville would it be possible to put a chevy 350
  22. Is my 4.9 on the way out?
  23. Installing Reman Ht 4.1 Oil And Coolant Suggestions
  24. What should I do if I put too much bars leak in?
  25. E-030 + Poor Mileage + Bouncing High Idle At Startup
  26. Transmission Looseing fluid , 1 qt per minute
  27. OMG..Maybe it is the water pump. THIS IS ANNOYING.
  28. can the 4.5 handle and 50-75 shot of nitrous
  29. tps................. help!
  30. Took off the belt and its not the waterpump making noise..need help
  31. EGR Malfunction -- Please Help
  32. Waterpump Replacement
  33. Muffler pictures
  34. Throttle position sensor question
  35. advancing the timing question
  36. Vibrating noise around throttle body
  37. 4.9 spark knock
  38. Muffler
  39. Changed coolant without pellets; what to do??
  40. injectors
  41. 94 sedan deville serpentine belt
  42. How hard to replace radiator out of 92 Deville?
  43. Crack in exhaust manifold
  44. Help Plz
  45. Re:Eldo 403FI swap w/MEGASQUIRT ?
  46. Turns out I have a bad water pump.
  47. replacing 4.1 with chevy 5.0
  48. 4.9 leaking oil?
  49. gaskets, paint, parts cleaner
  50. ht 4100 4.1 swap to a 4.9
  51. Questions About Eldorado Country site/info ---403FI swap
  52. 87 DeVille 36k ori. miles
  53. Codes are back!
  54. HP gains from no cat?
  55. 91 deville oxygen sensor(s) location
  56. 1988 deville fuel pump harness question
  57. 1990 SDV tranny- Please help
  58. 88 eldo Special fuel line tool?
  59. Car make caveman brain hurt
  60. Need help with front main bearing!
  61. Surging/cutting out? 1991 Deville 4.9
  62. Gasket to Oil line connector in Radiator.
  63. OH-NO!! The dreaded 4.1 "knocking".
  64. Bbob - Don't flush trans
  65. 94 deville , distrib will be turned the wrong way soon
  66. 93 Caddy seville 4.9
  67. Octane booster/ fuel saver
  68. Rough running (4.1) and ditrib question
  69. engine almost plucked
  70. Replacing Water Pump Too Often
  71. Like illumina said "or that pesky gm module"
  72. to chip or not to chip???
  73. Rebuilding my '88 THM440-T4 ie 4t60
  74. exhaust sound when it rains
  75. Slight Problem, need help
  76. Timming a '85 RWD 4.1...
  77. My mechanic recommended not using bars leak sealant?
  78. quiet, thoaty exhaust
  79. Do you have to set timing after change distributor and cap?
  80. procharger supercharger?
  81. Oil Adapter Hose Fittings
  82. Car won't start; noticed no spark at plug
  83. 90devilleguy, a question about your Muffler!
  84. smog pump replacement 4.5
  85. 83 Eldo Touring 4.1 Engine HELP
  86. 4.9L seville stall/restart problem
  87. Hot starting idling
  88. 4.9 family no hot start issue fix
  89. New to Forum seeking Info in 83 Eldo 4.1 swap and trans
  90. 1990 Cadillac Fleetwood 4.5 FWD
  91. Car cuts Off
  92. another issue (gas guzzler)
  93. part II to my car starting mystery
  94. Trouble codes
  95. car cut off and didn't start until the next day
  96. 1988 Cad SDV motor mounts
  97. 92 STS Engine Stall at low speed...HELP !
  98. Hey aguthmiller I have a few questions
  99. Water in the Oil ... How can it get there?
  100. Will new distributor cap and rotor make car run better?
  101. 94 Deville 4.9 Part Throttle Ping
  102. 92 4.9L Engine Reassembly - my heads are off and engine is in car.
  103. water in oil - Broke down on trip in Coffee Springs Alabama
  104. stuttering problem at idle
  105. 4.5 for 4.1 swap
  106. Got myself an 82 Coupe Deville, having some probs..
  107. 90 sedan deville right blinker acting up
  108. Will top end cleaning be good or bad for an engine with 130K on it??
  109. ALDL location
  110. Best swap for 4.1?
  111. What should I expect for my 0-60
  112. Fuel Pump circuit problem 84 Brougham
  113. 1984 Sedan DeVille over 200,000 miles?
  114. 90 Seville, Code E041
  115. **TH440 - 4.5 FWD - Trans **
  116. 89 4.5 deville overheated
  117. Flowmaster Muffler Installation Pics
  118. 4T60E Leak , ENOUGH IS ENOUGH !!
  119. 90 deville 4.5 125k doggin on freeway
  120. Aftermarket for 4.9?
  121. 4.1 Driveability Problem
  122. Code 44 on '85 Fleetwood Brougham
  123. What's Wrong with My Cadillac?
  124. 4.1/4.5 pros and cons?
  125. Oil leak from under car!
  126. Still having 4.9 idle down problems
  127. 4.9 Vs Northstar
  128. 4.9 emergency..broke something
  129. How hard is it to change the distributor cap and rotor on the 4.9??
  130. HT 4100 Diagnostic Codes
  131. 1989 Eldo help
  132. 4.1 engine timing!! Help...
  133. Engine Swap thoughts!
  134. '85 Fleetwood Brougham 4100
  135. AC won't blow!!!!
  136. Best Oil For HT 4100
  137. how do i enter set timing mode
  138. how to disable traction control on 92 deville?
  139. Muscle car pancake air filter
  140. 4T60 Transaxle or 4T60E what's the diff.
  141. How do I clean the throttle body?
  142. help...change oil soon light on
  143. HT 4100 Engine is it that bad
  144. Tune Ups
  145. Is it hard to find the4 pin plug on tranny?
  146. Woe Is Me!
  147. exhaust venting in cabin
  148. Help with timing advance....
  149. Need Help from Bangkok, Thailand
  150. Quick Timing Question
  151. Voltage out of range(E16), BBOB??
  152. 4.9 muffler for sound
  153. Transmission Fliud Change
  154. More for the Premium 93 vs 89 Debate
  155. Help for83 Fleetwwod
  156. Radiator cooling fan
  157. 4.5 Heads
  158. engine timing in 92 Eldorado
  159. Serious surging.
  160. experiment...MPG...ACTUAL vs. COMPUTER
  161. Service Engine Light Comming on.
  162. Improving Handling
  163. 4.9 cadillac external upgrades
  164. 4.9 deville boring sleeves
  165. So much for putting off the waterpump job
  166. '92 Seville 4.9 questions
  167. 92 ETC:Type of Power Steering Fluid?
  168. 95 Deville No Spark
  169. my cars exhaust sound from inside the car
  170. service sss
  171. lever on seat? 83 eldo
  172. '89 Deville valve cover gasket replacement
  173. car sounds like a lawnmower!!!!
  174. 1992 4.9 with code E46
  175. Where to buy Trans Pan Gasket and Trans Filter w/Gasket
  176. Computer Chip--Shift Kit--Or B&M Shift Plus??
  177. catalytic converter
  178. power steering
  179. 4100 up keep.
  180. z max
  181. transmission modulator
  182. Engine Metal Temperature Switch
  183. F85 error?
  184. Flow Charts?????????????
  185. 90 backfires
  186. Silver and Red V8 PFI engine paint chipping.
  187. 85 fleet fwd trans modulator location?
  188. 1984 , 1985 eldo convertible
  189. Error code 27
  190. 4.1 to 4.9 swap
  191. Searched codes for the first time and I need help.
  192. error E46 where to start?
  193. 1992 Eldorado 4.9l A/C Help...
  194. Error code E31 (93 Deville 4.9L)
  195. 4.9 air filter question...
  196. please help
  197. 88 4.5 Coupe Deville
  198. Rough Idle, stalls and hesitations, but...
  199. Need Help with BarsLeak and Radiator drain!
  200. '92 4.9 operating temp
  201. Engine etc.
  202. Distributor Cap
  203. Car is running rich
  204. 4.1 oil capacity
  205. no heat in cab + overheating
  206. My 88 Sedan Deville, HELP!!!
  207. Removing Alternator On 91 4.9
  208. 4.9 Battery Cables?
  209. Performance Muffler - Ideas?
  210. Should I flush tranny at 52K????
  211. Need Allante Parts - HELP
  212. 251 Belt Problems? Alternator/Fan not working.
  213. 4.1 no start
  214. 4.9:Emission Fail, High HC
  215. Cooling System Pressure Test
  216. 4.9 cam specs.
  217. Requesting 4.5 89' Info
  218. 1988 Eldo fuel tank swap
  219. AC duct rattle
  220. 4.5 running like poop
  221. New Electric "Turbo" not supercharger!
  222. coolant leak in 94 sedan deville (4.9)
  223. a few error codes
  224. She rufuses to be fixed
  225. 4.9 in a 85 fiero with caddy trans
  226. ISC motor acts sticky
  227. egr questions
  228. 88 Coupe deVille backfire
  229. Codes E01-E11, E95?
  230. Self Sticky - 4.9 Engine History and Changes
  231. smog pump adjustment
  232. new to forum
  233. engine missing
  234. 4.9 Idling fast and intermittent service light
  235. Interesting comparison.....
  236. Help! Caddy died and won't start
  237. popping sound when 4.9 is being raced....
  238. performance parts
  239. Injectors & Struts...
  240. 4.5L - 155hp, 180hp, 200hp variants and questions!
  241. power steering pulley
  242. 4.9 better than Northstar?
  243. ht 4100 question
  244. 1990 Deville E98
  245. transmission use
  246. Silent Performance Muffler
  247. Po85
  248. idle speed change?
  249. Cooling Fan Fault?
  250. What to do on a tune up to the 4.9?