: HT4100 4.1, 4.5, 4.9



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