: HT4100 4.1, 4.5, 4.9



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  1. how do i enter set timing mode
  2. how to disable traction control on 92 deville?
  3. Muscle car pancake air filter
  4. 4T60 Transaxle or 4T60E what's the diff.
  5. How do I clean the throttle body?
  6. help...change oil soon light on
  7. HT 4100 Engine is it that bad
  8. Tune Ups
  9. Is it hard to find the4 pin plug on tranny?
  10. Woe Is Me!
  11. exhaust venting in cabin
  12. Help with timing advance....
  13. Need Help from Bangkok, Thailand
  14. Quick Timing Question
  15. Voltage out of range(E16), BBOB??
  16. 4.9 muffler for sound
  17. Transmission Fliud Change
  18. More for the Premium 93 vs 89 Debate
  19. Help for83 Fleetwwod
  20. Radiator cooling fan
  21. 4.5 Heads
  22. engine timing in 92 Eldorado
  23. Serious surging.
  24. experiment...MPG...ACTUAL vs. COMPUTER
  25. Service Engine Light Comming on.
  26. Improving Handling
  27. 4.9 cadillac external upgrades
  28. 4.9 deville boring sleeves
  29. So much for putting off the waterpump job
  30. '92 Seville 4.9 questions
  31. 92 ETC:Type of Power Steering Fluid?
  32. 95 Deville No Spark
  33. my cars exhaust sound from inside the car
  34. service sss
  35. lever on seat? 83 eldo
  36. '89 Deville valve cover gasket replacement
  37. car sounds like a lawnmower!!!!
  38. 1992 4.9 with code E46
  39. Where to buy Trans Pan Gasket and Trans Filter w/Gasket
  40. Computer Chip--Shift Kit--Or B&M Shift Plus??
  41. catalytic converter
  42. power steering
  43. 4100 up keep.
  44. z max
  45. transmission modulator
  46. Engine Metal Temperature Switch
  47. F85 error?
  48. Flow Charts?????????????
  49. 90 backfires
  50. Silver and Red V8 PFI engine paint chipping.
  51. 85 fleet fwd trans modulator location?
  52. 1984 , 1985 eldo convertible
  53. Error code 27
  54. 4.1 to 4.9 swap
  55. Searched codes for the first time and I need help.
  56. error E46 where to start?
  57. 1992 Eldorado 4.9l A/C Help...
  58. Error code E31 (93 Deville 4.9L)
  59. 4.9 air filter question...
  60. please help
  61. 88 4.5 Coupe Deville
  62. Rough Idle, stalls and hesitations, but...
  63. Need Help with BarsLeak and Radiator drain!
  64. '92 4.9 operating temp
  65. Engine etc.
  66. Distributor Cap
  67. Car is running rich
  68. 4.1 oil capacity
  69. no heat in cab + overheating
  70. My 88 Sedan Deville, HELP!!!
  71. Removing Alternator On 91 4.9
  72. 4.9 Battery Cables?
  73. Performance Muffler - Ideas?
  74. Should I flush tranny at 52K????
  75. Need Allante Parts - HELP
  76. 251 Belt Problems? Alternator/Fan not working.
  77. 4.1 no start
  78. 4.9:Emission Fail, High HC
  79. Cooling System Pressure Test
  80. 4.9 cam specs.
  81. Requesting 4.5 89' Info
  82. 1988 Eldo fuel tank swap
  83. AC duct rattle
  84. 4.5 running like poop
  85. New Electric "Turbo" not supercharger!
  86. coolant leak in 94 sedan deville (4.9)
  87. a few error codes
  88. She rufuses to be fixed
  89. 4.9 in a 85 fiero with caddy trans
  90. ISC motor acts sticky
  91. egr questions
  92. 88 Coupe deVille backfire
  93. Codes E01-E11, E95?
  94. Self Sticky - 4.9 Engine History and Changes
  95. smog pump adjustment
  96. new to forum
  97. engine missing
  98. 4.9 Idling fast and intermittent service light
  99. Interesting comparison.....
  100. Help! Caddy died and won't start
  101. popping sound when 4.9 is being raced....
  102. performance parts
  103. Injectors & Struts...
  104. 4.5L - 155hp, 180hp, 200hp variants and questions!
  105. power steering pulley
  106. 4.9 better than Northstar?
  107. ht 4100 question
  108. 1990 Deville E98
  109. transmission use
  110. Silent Performance Muffler
  111. Po85
  112. idle speed change?
  113. Cooling Fan Fault?
  114. What to do on a tune up to the 4.9?
  115. Transmission Oil Leak
  116. '90 Deville Speed Sensor.
  117. Nut down the distributor hole
  118. Trans Question 93 4.9 seville
  119. 350 SBC swap pics for DeVillish....
  120. 4.5 engine ticking noise???
  121. 4.5PFI Tune-up tips?
  122. 1990 Fleetwood to a 4.9 or N*
  123. 1985 Fleetwood FWD 4100
  124. tubes in throttle body
  125. Car shuts off after idle for 40 min
  126. ACDelco filter
  127. 1991 Fleetwood 4.9 high speed power loss
  128. Remote oil filter for 4.9 ?
  129. low oil pressure light
  130. 4.9 performance upgrades ?
  131. Premium fuel?
  132. How to find the leaky injector
  133. Cleaning the throttle body on a 4.9
  134. Spark plug removal on a 93 SDV
  135. Fuel Pump on 1990 deville
  136. 1991 Seville pics and questions
  137. Nylon or Metal timeing chain?
  138. im new here but here goes...
  139. '85 Fleetwood Brougham High Idel
  140. No fuel delivery to '87 Biaritz
  141. Better performance out of my 4.5?
  142. '89 SD 4.5 Diag. code E59, nowhere to be found.
  143. 1992 Eldorado Belt Size HELP! 4.9l
  144. Cadillac code check...
  145. $.1 motor
  146. to fix 1 or the other
  147. Caddy problems
  148. Is there a 4.9L NOS Kit?
  149. idiot lights.....
  150. i need help
  151. front pulley torque
  152. More 4.9 issues
  153. what are the best spark plugs?
  154. Engine Dyagnostic Codes
  155. information center
  156. Oil Leak 91 Eldorado 4.9
  157. idle speed adjustment
  158. Best oil filter?
  159. My errors have returned, inexplicibly. Help.
  160. DMV high emitter profile 4100 engine
  161. question on 91-up caddys with 4.9 engine
  162. Dual Output Muffler on a 91 Deville
  163. Cracked Manifold
  164. 10W40 oil is a bad weight?
  165. Dynomax Super Turbo
  166. Anyone have any luck With "Performance Modules"
  167. New To 4.9s And Have A few ?s
  168. 1990 TPS relearn procedure . . .
  169. engine backfires out of throtle body
  170. 88 eldo 4.5, changed the intake gasket yesterday!!
  171. Oil leak 4.5 engine 91 Allante
  172. Motor oil brand
  173. Coolant Leak Fixed- Now Running Rough After Warmup
  174. HELP Failed Emissions!!
  175. 87 deville stalls after a few mins of driving..
  176. I need Info soon
  177. 1986 Coupe DeVille w/ HT4100 V8
  178. 4.5 reliability + durability
  179. Porting your intake....
  180. 91 seville codes
  181. What engine and box can replace 4.1?
  182. 4.1 Autobox advice needed
  183. dealer shocks with 4.9 "information"
  184. Clearing codes on a '90 Fleetwood FWD
  185. Stalling 93 Seviile
  186. My 90's got sensor issues (and a glowing Cat Conv)
  187. 89 sedan deville major problem
  188. 4.5 is just a bigger 4.1? PLUS - BarsLeak or not?
  189. Hard to start below 0 F
  190. 82 4100 front crank oil leak
  191. 1992 Seville High Idle??
  192. Low Oil Pressure - 84 Eldo
  193. Computer Codes and Stereo Questions
  194. didn't pass emissions???
  195. Cooling Problems
  196. My '87 Deville is not running good when warm
  197. Oxygen Sensors - 1993 4.9
  198. Chips
  199. 4.5L V8 engine block leaking?
  200. Best way to use GM top end cleaner in the 4.9?
  201. 94 4.9L S-belt idlers blown - help!!
  202. 4.9L Injectors
  203. Tune up - do I have a distributor cap and rotor?
  204. 4.9 knocks under load
  205. 4.9l V8 Sfi Ohv 16v
  206. such a....BAD vibration..
  207. Can I use any coolant in my 4.9?
  208. 1995 Deville... ONLY 28K miles.... HELP
  209. NO Heat - Deville '87
  210. What can I do to make my 4.9 run like new??
  211. What kind of mpg should I be getting in my 92 4.9?
  212. Diesel engine smell on a 90 Deville
  213. HT4100 strange coolant problem
  214. Significant V4.9 engine vibration at 1300-1600 RPM
  215. Egr!!!
  216. Need 90 SDV 4.5 Idle Reset Procedure & Diag Codes
  217. Replacing HT4100 FWD
  218. Hmmmm
  219. wheres the fuel pump on my 87..?
  220. Allante Intakes
  221. Return-to-idle switch
  222. PC interface for 1994 ???
  223. low oil pressure light
  224. Low oil pressure light when breaking
  225. 92 Deville 4.9L..how many O2 sensors.
  226. 4.9 fuel injection questions
  227. Water pump change
  228. car just stalled..not starting..oil light
  229. 85 deville low idle
  230. 1991 4.9 hesitation problem
  231. oil /STOP light and "smokey" oil on 87 caddy...
  232. code E40..power steering pressure switch..anyone else with the same problem?
  233. 4.5 oil pan removal
  234. EGR Pipe Leak
  235. HELP!! Before I kill my car!
  236. HP on a 4.9L
  237. Bad gas mileage
  238. Oil pan removal 89 Coupe Deville
  239. Iac
  240. Engine swap Question, Want to dump 4100.
  241. My car runs like POOP!!
  242. 4.9 Oil Leak
  243. Recurring misfire/injector problem?
  244. isc relearn
  245. 4.9L Idle Problem
  246. Open and closed loop
  247. stalling
  248. Cadillac engine in Sand Rail
  249. oil pressure switch on 82' 4100
  250. Running Rough After Tune Up???