: HT4100 4.1, 4.5, 4.9



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  1. I bought my muffler
  2. Valve belts?
  3. gas leak
  4. Just got 3 codes, need some help!
  5. Needing help with a few things....
  6. How can I reset codes on '83 Eldo
  7. 4.9 motor buildup pics...
  8. oil light flickers at idle
  9. 83 coupe deville 4100???
  10. 1987 Fleetwood problems, maybe you guys know or been through it?
  11. how do i...
  12. Cracked Manifold
  13. Bad mpg and very throaty problem
  14. Weird ~ I like the 87 4100 growl
  15. How to check codes for A/C unit?
  16. 3 fan fault message in my 88 seville help?
  17. Fuel injector service
  18. starting
  19. flywheel to torque converter bolts
  20. Harmonic balancer 83 Fwd In-Line 4.1
  21. 4100 with 92K
  22. Newbie needs tranny and code help
  23. Deville still will not start...
  24. knocking solved
  25. Almost ready to pull the ht4100
  26. no fuel
  27. Safety Safety Safety !
  28. A Little Different No Start Problem
  29. 95 Deville Wont Start...Boo
  30. 4.9 being weird help!!!
  31. A/C help?????
  32. E67 error, any ideas?
  33. Water in door!
  34. Air Conditioning
  35. A/C Question for '92 STS
  36. ITS DONE....I finally have a smooth QUIET Cadillac
  37. ht4100 mounting to engine stand bolt size?
  38. '94 4.9 won't start!
  39. 1988 Alante will not run
  40. Swap Question 4100 (electronics)
  41. Let me tell you, water pump replacement is a pain in the @$$.
  42. 4T60E slipping
  43. Proper Engine Break In Reman 4.1
  44. Cadillac Coral?
  45. 4.1 Biarritz hesitation and stalling - long with lots of info!
  46. Marked surge at light throttle
  47. 4.1 Saddened
  48. 95 deville 4.9 miss at idle
  49. newbie
  50. Repeated O2 Sensor Problem 91 4.9l
  51. Bars Golden Seal Powder Stop Leak And Other Stuff (Deals?)
  52. Need second opinion 4.1 swap to northstar
  53. gonna replace the 4100 on 83 cadillac deville would it be possible to put a chevy 350
  54. Is my 4.9 on the way out?
  55. Installing Reman Ht 4.1 Oil And Coolant Suggestions
  56. What should I do if I put too much bars leak in?
  57. E-030 + Poor Mileage + Bouncing High Idle At Startup
  58. Transmission Looseing fluid , 1 qt per minute
  59. OMG..Maybe it is the water pump. THIS IS ANNOYING.
  60. can the 4.5 handle and 50-75 shot of nitrous
  61. tps................. help!
  62. Took off the belt and its not the waterpump making noise..need help
  63. EGR Malfunction -- Please Help
  64. Waterpump Replacement
  65. Muffler pictures
  66. Throttle position sensor question
  67. advancing the timing question
  68. Vibrating noise around throttle body
  69. 4.9 spark knock
  70. Muffler
  71. Changed coolant without pellets; what to do??
  72. injectors
  73. 94 sedan deville serpentine belt
  74. How hard to replace radiator out of 92 Deville?
  75. Crack in exhaust manifold
  76. Help Plz
  77. Re:Eldo 403FI swap w/MEGASQUIRT ?
  78. Turns out I have a bad water pump.
  79. replacing 4.1 with chevy 5.0
  80. 4.9 leaking oil?
  81. gaskets, paint, parts cleaner
  82. ht 4100 4.1 swap to a 4.9
  83. Questions About Eldorado Country site/info ---403FI swap
  84. 87 DeVille 36k ori. miles
  85. Codes are back!
  86. HP gains from no cat?
  87. 91 deville oxygen sensor(s) location
  88. 1988 deville fuel pump harness question
  89. 1990 SDV tranny- Please help
  90. 88 eldo Special fuel line tool?
  91. Car make caveman brain hurt
  92. Need help with front main bearing!
  93. Surging/cutting out? 1991 Deville 4.9
  94. Gasket to Oil line connector in Radiator.
  95. OH-NO!! The dreaded 4.1 "knocking".
  96. Bbob - Don't flush trans
  97. 94 deville , distrib will be turned the wrong way soon
  98. 93 Caddy seville 4.9
  99. Octane booster/ fuel saver
  100. Rough running (4.1) and ditrib question
  101. engine almost plucked
  102. Replacing Water Pump Too Often
  103. Like illumina said "or that pesky gm module"
  104. to chip or not to chip???
  105. Rebuilding my '88 THM440-T4 ie 4t60
  106. exhaust sound when it rains
  107. Slight Problem, need help
  108. Timming a '85 RWD 4.1...
  109. My mechanic recommended not using bars leak sealant?
  110. quiet, thoaty exhaust
  111. Do you have to set timing after change distributor and cap?
  112. procharger supercharger?
  113. Oil Adapter Hose Fittings
  114. Car won't start; noticed no spark at plug
  115. 90devilleguy, a question about your Muffler!
  116. smog pump replacement 4.5
  117. 83 Eldo Touring 4.1 Engine HELP
  118. 4.9L seville stall/restart problem
  119. Hot starting idling
  120. 4.9 family no hot start issue fix
  121. New to Forum seeking Info in 83 Eldo 4.1 swap and trans
  122. 1990 Cadillac Fleetwood 4.5 FWD
  123. Car cuts Off
  124. another issue (gas guzzler)
  125. part II to my car starting mystery
  126. Trouble codes
  127. car cut off and didn't start until the next day
  128. 1988 Cad SDV motor mounts
  129. 92 STS Engine Stall at low speed...HELP !
  130. Hey aguthmiller I have a few questions
  131. Water in the Oil ... How can it get there?
  132. Will new distributor cap and rotor make car run better?
  133. 94 Deville 4.9 Part Throttle Ping
  134. 92 4.9L Engine Reassembly - my heads are off and engine is in car.
  135. water in oil - Broke down on trip in Coffee Springs Alabama
  136. stuttering problem at idle
  137. 4.5 for 4.1 swap
  138. Got myself an 82 Coupe Deville, having some probs..
  139. 90 sedan deville right blinker acting up
  140. Will top end cleaning be good or bad for an engine with 130K on it??
  141. ALDL location
  142. Best swap for 4.1?
  143. What should I expect for my 0-60
  144. Fuel Pump circuit problem 84 Brougham
  145. 1984 Sedan DeVille over 200,000 miles?
  146. 90 Seville, Code E041
  147. **TH440 - 4.5 FWD - Trans **
  148. 89 4.5 deville overheated
  149. Flowmaster Muffler Installation Pics
  150. 4T60E Leak , ENOUGH IS ENOUGH !!
  151. 90 deville 4.5 125k doggin on freeway
  152. Aftermarket for 4.9?
  153. 4.1 Driveability Problem
  154. Code 44 on '85 Fleetwood Brougham
  155. What's Wrong with My Cadillac?
  156. 4.1/4.5 pros and cons?
  157. Oil leak from under car!
  158. Still having 4.9 idle down problems
  159. 4.9 Vs Northstar
  160. 4.9 emergency..broke something
  161. How hard is it to change the distributor cap and rotor on the 4.9??
  162. HT 4100 Diagnostic Codes
  163. 1989 Eldo help
  164. 4.1 engine timing!! Help...
  165. Engine Swap thoughts!
  166. '85 Fleetwood Brougham 4100
  167. AC won't blow!!!!
  168. Best Oil For HT 4100
  169. how do i enter set timing mode
  170. how to disable traction control on 92 deville?
  171. Muscle car pancake air filter
  172. 4T60 Transaxle or 4T60E what's the diff.
  173. How do I clean the throttle body?
  174. help...change oil soon light on
  175. HT 4100 Engine is it that bad
  176. Tune Ups
  177. Is it hard to find the4 pin plug on tranny?
  178. Woe Is Me!
  179. exhaust venting in cabin
  180. Help with timing advance....
  181. Need Help from Bangkok, Thailand
  182. Quick Timing Question
  183. Voltage out of range(E16), BBOB??
  184. 4.9 muffler for sound
  185. Transmission Fliud Change
  186. More for the Premium 93 vs 89 Debate
  187. Help for83 Fleetwwod
  188. Radiator cooling fan
  189. 4.5 Heads
  190. engine timing in 92 Eldorado
  191. Serious surging.
  192. experiment...MPG...ACTUAL vs. COMPUTER
  193. Service Engine Light Comming on.
  194. Improving Handling
  195. 4.9 cadillac external upgrades
  196. 4.9 deville boring sleeves
  197. So much for putting off the waterpump job
  198. '92 Seville 4.9 questions
  199. 92 ETC:Type of Power Steering Fluid?
  200. 95 Deville No Spark
  201. my cars exhaust sound from inside the car
  202. service sss
  203. lever on seat? 83 eldo
  204. '89 Deville valve cover gasket replacement
  205. car sounds like a lawnmower!!!!
  206. 1992 4.9 with code E46
  207. Where to buy Trans Pan Gasket and Trans Filter w/Gasket
  208. Computer Chip--Shift Kit--Or B&M Shift Plus??
  209. catalytic converter
  210. power steering
  211. 4100 up keep.
  212. z max
  213. transmission modulator
  214. Engine Metal Temperature Switch
  215. F85 error?
  216. Flow Charts?????????????
  217. 90 backfires
  218. Silver and Red V8 PFI engine paint chipping.
  219. 85 fleet fwd trans modulator location?
  220. 1984 , 1985 eldo convertible
  221. Error code 27
  222. 4.1 to 4.9 swap
  223. Searched codes for the first time and I need help.
  224. error E46 where to start?
  225. 1992 Eldorado 4.9l A/C Help...
  226. Error code E31 (93 Deville 4.9L)
  227. 4.9 air filter question...
  228. please help
  229. 88 4.5 Coupe Deville
  230. Rough Idle, stalls and hesitations, but...
  231. Need Help with BarsLeak and Radiator drain!
  232. '92 4.9 operating temp
  233. Engine etc.
  234. Distributor Cap
  235. Car is running rich
  236. 4.1 oil capacity
  237. no heat in cab + overheating
  238. My 88 Sedan Deville, HELP!!!
  239. Removing Alternator On 91 4.9
  240. 4.9 Battery Cables?
  241. Performance Muffler - Ideas?
  242. Should I flush tranny at 52K????
  243. Need Allante Parts - HELP
  244. 251 Belt Problems? Alternator/Fan not working.
  245. 4.1 no start
  246. 4.9:Emission Fail, High HC
  247. Cooling System Pressure Test
  248. 4.9 cam specs.
  249. Requesting 4.5 89' Info
  250. 1988 Eldo fuel tank swap