: HT4100 4.1, 4.5, 4.9



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