: HT4100 4.1, 4.5, 4.9



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  1. lever on seat? 83 eldo
  2. '89 Deville valve cover gasket replacement
  3. car sounds like a lawnmower!!!!
  4. 1992 4.9 with code E46
  5. Where to buy Trans Pan Gasket and Trans Filter w/Gasket
  6. Computer Chip--Shift Kit--Or B&M Shift Plus??
  7. catalytic converter
  8. power steering
  9. 4100 up keep.
  10. z max
  11. transmission modulator
  12. Engine Metal Temperature Switch
  13. F85 error?
  14. Flow Charts?????????????
  15. 90 backfires
  16. Silver and Red V8 PFI engine paint chipping.
  17. 85 fleet fwd trans modulator location?
  18. 1984 , 1985 eldo convertible
  19. Error code 27
  20. 4.1 to 4.9 swap
  21. Searched codes for the first time and I need help.
  22. error E46 where to start?
  23. 1992 Eldorado 4.9l A/C Help...
  24. Error code E31 (93 Deville 4.9L)
  25. 4.9 air filter question...
  26. please help
  27. 88 4.5 Coupe Deville
  28. Rough Idle, stalls and hesitations, but...
  29. Need Help with BarsLeak and Radiator drain!
  30. '92 4.9 operating temp
  31. Engine etc.
  32. Distributor Cap
  33. Car is running rich
  34. 4.1 oil capacity
  35. no heat in cab + overheating
  36. My 88 Sedan Deville, HELP!!!
  37. Removing Alternator On 91 4.9
  38. 4.9 Battery Cables?
  39. Performance Muffler - Ideas?
  40. Should I flush tranny at 52K????
  41. Need Allante Parts - HELP
  42. 251 Belt Problems? Alternator/Fan not working.
  43. 4.1 no start
  44. 4.9:Emission Fail, High HC
  45. Cooling System Pressure Test
  46. 4.9 cam specs.
  47. Requesting 4.5 89' Info
  48. 1988 Eldo fuel tank swap
  49. AC duct rattle
  50. 4.5 running like poop
  51. New Electric "Turbo" not supercharger!
  52. coolant leak in 94 sedan deville (4.9)
  53. a few error codes
  54. She rufuses to be fixed
  55. 4.9 in a 85 fiero with caddy trans
  56. ISC motor acts sticky
  57. egr questions
  58. 88 Coupe deVille backfire
  59. Codes E01-E11, E95?
  60. Self Sticky - 4.9 Engine History and Changes
  61. smog pump adjustment
  62. new to forum
  63. engine missing
  64. 4.9 Idling fast and intermittent service light
  65. Interesting comparison.....
  66. Help! Caddy died and won't start
  67. popping sound when 4.9 is being raced....
  68. performance parts
  69. Injectors & Struts...
  70. 4.5L - 155hp, 180hp, 200hp variants and questions!
  71. power steering pulley
  72. 4.9 better than Northstar?
  73. ht 4100 question
  74. 1990 Deville E98
  75. transmission use
  76. Silent Performance Muffler
  77. Po85
  78. idle speed change?
  79. Cooling Fan Fault?
  80. What to do on a tune up to the 4.9?
  81. Transmission Oil Leak
  82. '90 Deville Speed Sensor.
  83. Nut down the distributor hole
  84. Trans Question 93 4.9 seville
  85. 350 SBC swap pics for DeVillish....
  86. 4.5 engine ticking noise???
  87. 4.5PFI Tune-up tips?
  88. 1990 Fleetwood to a 4.9 or N*
  89. 1985 Fleetwood FWD 4100
  90. tubes in throttle body
  91. Car shuts off after idle for 40 min
  92. ACDelco filter
  93. 1991 Fleetwood 4.9 high speed power loss
  94. Remote oil filter for 4.9 ?
  95. low oil pressure light
  96. 4.9 performance upgrades ?
  97. Premium fuel?
  98. How to find the leaky injector
  99. Cleaning the throttle body on a 4.9
  100. Spark plug removal on a 93 SDV
  101. Fuel Pump on 1990 deville
  102. 1991 Seville pics and questions
  103. Nylon or Metal timeing chain?
  104. im new here but here goes...
  105. '85 Fleetwood Brougham High Idel
  106. No fuel delivery to '87 Biaritz
  107. Better performance out of my 4.5?
  108. '89 SD 4.5 Diag. code E59, nowhere to be found.
  109. 1992 Eldorado Belt Size HELP! 4.9l
  110. Cadillac code check...
  111. $.1 motor
  112. to fix 1 or the other
  113. Caddy problems
  114. Is there a 4.9L NOS Kit?
  115. idiot lights.....
  116. i need help
  117. front pulley torque
  118. More 4.9 issues
  119. what are the best spark plugs?
  120. Engine Dyagnostic Codes
  121. information center
  122. Oil Leak 91 Eldorado 4.9
  123. idle speed adjustment
  124. Best oil filter?
  125. My errors have returned, inexplicibly. Help.
  126. DMV high emitter profile 4100 engine
  127. question on 91-up caddys with 4.9 engine
  128. Dual Output Muffler on a 91 Deville
  129. Cracked Manifold
  130. 10W40 oil is a bad weight?
  131. Dynomax Super Turbo
  132. Anyone have any luck With "Performance Modules"
  133. New To 4.9s And Have A few ?s
  134. 1990 TPS relearn procedure . . .
  135. engine backfires out of throtle body
  136. 88 eldo 4.5, changed the intake gasket yesterday!!
  137. Oil leak 4.5 engine 91 Allante
  138. Motor oil brand
  139. Coolant Leak Fixed- Now Running Rough After Warmup
  140. HELP Failed Emissions!!
  141. 87 deville stalls after a few mins of driving..
  142. I need Info soon
  143. 1986 Coupe DeVille w/ HT4100 V8
  144. 4.5 reliability + durability
  145. Porting your intake....
  146. 91 seville codes
  147. What engine and box can replace 4.1?
  148. 4.1 Autobox advice needed
  149. dealer shocks with 4.9 "information"
  150. Clearing codes on a '90 Fleetwood FWD
  151. Stalling 93 Seviile
  152. My 90's got sensor issues (and a glowing Cat Conv)
  153. 89 sedan deville major problem
  154. 4.5 is just a bigger 4.1? PLUS - BarsLeak or not?
  155. Hard to start below 0 F
  156. 82 4100 front crank oil leak
  157. 1992 Seville High Idle??
  158. Low Oil Pressure - 84 Eldo
  159. Computer Codes and Stereo Questions
  160. didn't pass emissions???
  161. Cooling Problems
  162. My '87 Deville is not running good when warm
  163. Oxygen Sensors - 1993 4.9
  164. Chips
  165. 4.5L V8 engine block leaking?
  166. Best way to use GM top end cleaner in the 4.9?
  167. 94 4.9L S-belt idlers blown - help!!
  168. 4.9L Injectors
  169. Tune up - do I have a distributor cap and rotor?
  170. 4.9 knocks under load
  171. 4.9l V8 Sfi Ohv 16v
  172. such a....BAD vibration..
  173. Can I use any coolant in my 4.9?
  174. 1995 Deville... ONLY 28K miles.... HELP
  175. NO Heat - Deville '87
  176. What can I do to make my 4.9 run like new??
  177. What kind of mpg should I be getting in my 92 4.9?
  178. Diesel engine smell on a 90 Deville
  179. HT4100 strange coolant problem
  180. Significant V4.9 engine vibration at 1300-1600 RPM
  181. Egr!!!
  182. Need 90 SDV 4.5 Idle Reset Procedure & Diag Codes
  183. Replacing HT4100 FWD
  184. Hmmmm
  185. wheres the fuel pump on my 87..?
  186. Allante Intakes
  187. Return-to-idle switch
  188. PC interface for 1994 ???
  189. low oil pressure light
  190. Low oil pressure light when breaking
  191. 92 Deville 4.9L..how many O2 sensors.
  192. 4.9 fuel injection questions
  193. Water pump change
  194. car just stalled..not starting..oil light
  195. 85 deville low idle
  196. 1991 4.9 hesitation problem
  197. oil /STOP light and "smokey" oil on 87 caddy...
  198. code E40..power steering pressure switch..anyone else with the same problem?
  199. 4.5 oil pan removal
  200. EGR Pipe Leak
  201. HELP!! Before I kill my car!
  202. HP on a 4.9L
  203. Bad gas mileage
  204. Oil pan removal 89 Coupe Deville
  205. Iac
  206. Engine swap Question, Want to dump 4100.
  207. My car runs like POOP!!
  208. 4.9 Oil Leak
  209. Recurring misfire/injector problem?
  210. isc relearn
  211. 4.9L Idle Problem
  212. Open and closed loop
  213. stalling
  214. Cadillac engine in Sand Rail
  215. oil pressure switch on 82' 4100
  216. Running Rough After Tune Up???
  217. '87 Deville with oil light on..while in idle...help please!
  218. 4.9 Headgaskets
  219. Solved What I thought was an exhaust rattle
  220. Exhaust/Tailpipe Question
  221. 4.9 Liter Performance
  222. 4.5 fwd to chevy 350
  223. no power /bad mileage
  224. missing 4100 engine, 1988
  225. I'm trying to save a Seville from the crusher
  226. Swapping 4100 for 307. Any advice?
  227. Deville runs rough under 11 gallons of gas
  228. Engine shutter on expressway
  229. 1989 caddy surging
  230. 1988 Seville (oil-le3aks)
  231. 86 Deville,swap 4.1 for 4.9.....
  232. performance exhaust for 4.9
  233. Interestingly Odd Problem!
  234. Deville 4.9 Intake Mods?
  235. BIG problem with the AIR system.....
  236. Ran rough for one minute, then gone!??
  237. What a stupid place for an oil filter!!
  238. best oil for high mileage 4.9
  239. RPM at idle for 1987 cadillac eldorado
  240. 4100 service now light
  241. 89 Cadillac Deville
  242. 1990 Allante won't start
  243. Heater core replaced, now AC line is freezing
  244. Disappearing coolant
  245. O2 sensor
  246. Oh No!!!!! Blown 4.9 Headgasket !!!!
  247. how to/ Tune up
  248. Help!! 95 Deville Fuel Inj Test
  249. 4.9 performance
  250. 92 Eldo Problems