: HT4100 4.1, 4.5, 4.9



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  1. A few questions regarding the 4.9
  2. code questions please...
  3. Throttle body bolt stripped out of intake manifold
  4. steering wheel will lock up and car cut off
  5. Help with 89 Sedan deVille codes...
  6. how good are the bottom ends on the 4.9?
  7. E98 code - help!!??
  8. 4.9L northstar
  9. Need help ... engine kicks, accelerates/revs itself
  10. '89 DeVille a/c not working
  11. HT4100 Stalling
  12. 4.9 oil consumption
  13. ht 4100 change over to 350 chevy
  14. Will 4.9 heads fit on a 4.1 block?
  15. Thinking about getting a new coil
  16. 87 Cadillac Seville ,4.1 with blown head gasket
  17. Hi. I need lots of help concerning the 4.9L. Thanks.
  18. timing a 4.5
  19. pulley bearing? serpentine belt not moving
  20. Hub on crankshaft
  21. Tackling Motor mount Replacement-92 Seville(4.9)
  22. 1. Diag Codes 2. Engine Stall
  23. squeek squeek .my speedo cable i think
  24. coolant in oil in my new motor
  25. coolant in oil
  26. Reconnecting Spark Plug Wires - 4.9L
  27. rough poor idle on 91 Seville STS 4.9 ideas?
  28. bbob???
  29. Better MPG with 87 Octane
  30. Preliminary tune-up
  31. car from hell
  32. 1988 Coupe Deville 4.5 ECM problem
  33. Please Help!!!
  34. Well, it cranked but...
  35. 4.9 heads on a 4.5
  36. 1990 fleetwood 4.5 fuel filter and thermostat location????
  37. 4.1 V6 and 4.1 V8
  38. Does the bars leak that comes in the gray bottle do the same thing as the tablets?
  39. 93 SDV trans question
  40. can anyone shine some light on me
  41. What's wrong with my 4100?
  42. What are some tricks to make the 4100 last a long time?
  43. hurt caddy
  44. torque specs for belt tensioner pulley
  45. Need trouble codes for '83 HT-4100 Eldo
  46. 93 loud knocking within engine, while in park
  47. ht4100
  48. I bought my muffler
  49. Valve belts?
  50. gas leak
  51. Just got 3 codes, need some help!
  52. Needing help with a few things....
  53. How can I reset codes on '83 Eldo
  54. 4.9 motor buildup pics...
  55. oil light flickers at idle
  56. 83 coupe deville 4100???
  57. 1987 Fleetwood problems, maybe you guys know or been through it?
  58. how do i...
  59. Cracked Manifold
  60. Bad mpg and very throaty problem
  61. Weird ~ I like the 87 4100 growl
  62. How to check codes for A/C unit?
  63. 3 fan fault message in my 88 seville help?
  64. Fuel injector service
  65. starting
  66. flywheel to torque converter bolts
  67. Harmonic balancer 83 Fwd In-Line 4.1
  68. 4100 with 92K
  69. Newbie needs tranny and code help
  70. Deville still will not start...
  71. knocking solved
  72. Almost ready to pull the ht4100
  73. no fuel
  74. Safety Safety Safety !
  75. A Little Different No Start Problem
  76. 95 Deville Wont Start...Boo
  77. 4.9 being weird help!!!
  78. A/C help?????
  79. E67 error, any ideas?
  80. Water in door!
  81. Air Conditioning
  82. A/C Question for '92 STS
  83. ITS DONE....I finally have a smooth QUIET Cadillac
  84. ht4100 mounting to engine stand bolt size?
  85. '94 4.9 won't start!
  86. 1988 Alante will not run
  87. Swap Question 4100 (electronics)
  88. Let me tell you, water pump replacement is a pain in the @$$.
  89. 4T60E slipping
  90. Proper Engine Break In Reman 4.1
  91. Cadillac Coral?
  92. 4.1 Biarritz hesitation and stalling - long with lots of info!
  93. Marked surge at light throttle
  94. 4.1 Saddened
  95. 95 deville 4.9 miss at idle
  96. newbie
  97. Repeated O2 Sensor Problem 91 4.9l
  98. Bars Golden Seal Powder Stop Leak And Other Stuff (Deals?)
  99. Need second opinion 4.1 swap to northstar
  100. gonna replace the 4100 on 83 cadillac deville would it be possible to put a chevy 350
  101. Is my 4.9 on the way out?
  102. Installing Reman Ht 4.1 Oil And Coolant Suggestions
  103. What should I do if I put too much bars leak in?
  104. E-030 + Poor Mileage + Bouncing High Idle At Startup
  105. Transmission Looseing fluid , 1 qt per minute
  106. OMG..Maybe it is the water pump. THIS IS ANNOYING.
  107. can the 4.5 handle and 50-75 shot of nitrous
  108. tps................. help!
  109. Took off the belt and its not the waterpump making noise..need help
  110. EGR Malfunction -- Please Help
  111. Waterpump Replacement
  112. Muffler pictures
  113. Throttle position sensor question
  114. advancing the timing question
  115. Vibrating noise around throttle body
  116. 4.9 spark knock
  117. Muffler
  118. Changed coolant without pellets; what to do??
  119. injectors
  120. 94 sedan deville serpentine belt
  121. How hard to replace radiator out of 92 Deville?
  122. Crack in exhaust manifold
  123. Help Plz
  124. Re:Eldo 403FI swap w/MEGASQUIRT ?
  125. Turns out I have a bad water pump.
  126. replacing 4.1 with chevy 5.0
  127. 4.9 leaking oil?
  128. gaskets, paint, parts cleaner
  129. ht 4100 4.1 swap to a 4.9
  130. Questions About Eldorado Country site/info ---403FI swap
  131. 87 DeVille 36k ori. miles
  132. Codes are back!
  133. HP gains from no cat?
  134. 91 deville oxygen sensor(s) location
  135. 1988 deville fuel pump harness question
  136. 1990 SDV tranny- Please help
  137. 88 eldo Special fuel line tool?
  138. Car make caveman brain hurt
  139. Need help with front main bearing!
  140. Surging/cutting out? 1991 Deville 4.9
  141. Gasket to Oil line connector in Radiator.
  142. OH-NO!! The dreaded 4.1 "knocking".
  143. Bbob - Don't flush trans
  144. 94 deville , distrib will be turned the wrong way soon
  145. 93 Caddy seville 4.9
  146. Octane booster/ fuel saver
  147. Rough running (4.1) and ditrib question
  148. engine almost plucked
  149. Replacing Water Pump Too Often
  150. Like illumina said "or that pesky gm module"
  151. to chip or not to chip???
  152. Rebuilding my '88 THM440-T4 ie 4t60
  153. exhaust sound when it rains
  154. Slight Problem, need help
  155. Timming a '85 RWD 4.1...
  156. My mechanic recommended not using bars leak sealant?
  157. quiet, thoaty exhaust
  158. Do you have to set timing after change distributor and cap?
  159. procharger supercharger?
  160. Oil Adapter Hose Fittings
  161. Car won't start; noticed no spark at plug
  162. 90devilleguy, a question about your Muffler!
  163. smog pump replacement 4.5
  164. 83 Eldo Touring 4.1 Engine HELP
  165. 4.9L seville stall/restart problem
  166. Hot starting idling
  167. 4.9 family no hot start issue fix
  168. New to Forum seeking Info in 83 Eldo 4.1 swap and trans
  169. 1990 Cadillac Fleetwood 4.5 FWD
  170. Car cuts Off
  171. another issue (gas guzzler)
  172. part II to my car starting mystery
  173. Trouble codes
  174. car cut off and didn't start until the next day
  175. 1988 Cad SDV motor mounts
  176. 92 STS Engine Stall at low speed...HELP !
  177. Hey aguthmiller I have a few questions
  178. Water in the Oil ... How can it get there?
  179. Will new distributor cap and rotor make car run better?
  180. 94 Deville 4.9 Part Throttle Ping
  181. 92 4.9L Engine Reassembly - my heads are off and engine is in car.
  182. water in oil - Broke down on trip in Coffee Springs Alabama
  183. stuttering problem at idle
  184. 4.5 for 4.1 swap
  185. Got myself an 82 Coupe Deville, having some probs..
  186. 90 sedan deville right blinker acting up
  187. Will top end cleaning be good or bad for an engine with 130K on it??
  188. ALDL location
  189. Best swap for 4.1?
  190. What should I expect for my 0-60
  191. Fuel Pump circuit problem 84 Brougham
  192. 1984 Sedan DeVille over 200,000 miles?
  193. 90 Seville, Code E041
  194. **TH440 - 4.5 FWD - Trans **
  195. 89 4.5 deville overheated
  196. Flowmaster Muffler Installation Pics
  197. 4T60E Leak , ENOUGH IS ENOUGH !!
  198. 90 deville 4.5 125k doggin on freeway
  199. Aftermarket for 4.9?
  200. 4.1 Driveability Problem
  201. Code 44 on '85 Fleetwood Brougham
  202. What's Wrong with My Cadillac?
  203. 4.1/4.5 pros and cons?
  204. Oil leak from under car!
  205. Still having 4.9 idle down problems
  206. 4.9 Vs Northstar
  207. 4.9 emergency..broke something
  208. How hard is it to change the distributor cap and rotor on the 4.9??
  209. HT 4100 Diagnostic Codes
  210. 1989 Eldo help
  211. 4.1 engine timing!! Help...
  212. Engine Swap thoughts!
  213. '85 Fleetwood Brougham 4100
  214. AC won't blow!!!!
  215. Best Oil For HT 4100
  216. how do i enter set timing mode
  217. how to disable traction control on 92 deville?
  218. Muscle car pancake air filter
  219. 4T60 Transaxle or 4T60E what's the diff.
  220. How do I clean the throttle body?
  221. help...change oil soon light on
  222. HT 4100 Engine is it that bad
  223. Tune Ups
  224. Is it hard to find the4 pin plug on tranny?
  225. Woe Is Me!
  226. exhaust venting in cabin
  227. Help with timing advance....
  228. Need Help from Bangkok, Thailand
  229. Quick Timing Question
  230. Voltage out of range(E16), BBOB??
  231. 4.9 muffler for sound
  232. Transmission Fliud Change
  233. More for the Premium 93 vs 89 Debate
  234. Help for83 Fleetwwod
  235. Radiator cooling fan
  236. 4.5 Heads
  237. engine timing in 92 Eldorado
  238. Serious surging.
  239. experiment...MPG...ACTUAL vs. COMPUTER
  240. Service Engine Light Comming on.
  241. Improving Handling
  242. 4.9 cadillac external upgrades
  243. 4.9 deville boring sleeves
  244. So much for putting off the waterpump job
  245. '92 Seville 4.9 questions
  246. 92 ETC:Type of Power Steering Fluid?
  247. 95 Deville No Spark
  248. my cars exhaust sound from inside the car
  249. service sss
  250. lever on seat? 83 eldo