: HT4100 4.1, 4.5, 4.9



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  1. 85 cadillac seville
  2. '93 4.9L Spark Plugs and Wires
  3. TCC location, please Help!!
  4. White smoke still coming from exhaust?
  5. Starter Disabled "Anti-Theft"
  6. need source for 99 cadillac service manuals
  7. HT4100 coolant issue.
  8. 92 (4.9L) stalling
  9. Cars starting to run a little better!
  10. Oil Overfill Cause Engine Damage?
  11. 4T60E Trans Sport Mode???
  12. can't advance computer beyond PCM?
  13. Turbocharge the 4.9L?
  14. Transmission Wont Shift
  15. discontinued?
  16. Replaced Injectors.. Still no action in Cyls 3 and 4?
  17. Edelbrock engine....
  18. Rough Idle
  19. A/c
  20. Speedometer problems......
  21. 1985 Seville HELP NEEDED
  22. Weird A/C air condition problem
  23. Size of O-rings in fuel line
  24. Fuel Filter Location.
  25. 94 Deville Boils Over after Engine Off
  26. Dexcool in a 4.9L???
  27. 1992 4.9 goes to open loop at HWY speeds.
  28. Bad Engines?
  29. fuel pump location (84 4100)
  30. car wont start (84 4100)
  31. Overhauling and Modifying a 1982 HT4100
  32. 92 deville bad head gasket selling?
  33. 92 deville please help
  34. New 4.9 problem, horrific idle, backfiring
  35. Oil Cooler...
  36. 83 eldorado with new reman engine and tranny timing / ping probs
  37. 4.1 to 4.7
  38. Car giving me fits
  39. 89 Seville idles at 2200
  40. help with codes
  41. 4.5 cranks but no start
  42. 4.9L Stalling out
  43. 'Service Engine Soon' Light on my 4.9 DeVille - Any ideas?
  44. Pistons for a 4.5L and 4.9L the same???
  45. 4.9 distributor help
  46. umm...help please!
  47. 84 coupe deville codes
  48. engine swap
  49. 1990 deville starter replacement
  50. TPS Enhancer
  51. What kind of spark plugs for the HT4100?
  52. Vehicle Data List, Can you spot the problem?
  53. changing belt
  54. 92 Deville - OIL IN COOLANT
  55. 94' sedan deville woes Heeellllllp.
  56. What are the troubleshooting steps for injectors/plugs/wires?
  57. 4.9 Engine Oil Cooler Line replacement
  58. INTERMITTANT "Missing" and rough running/idle
  59. Ppplllleeeeaaassseee Help!!!
  60. ok so maybe its the alternator
  61. engine coolant supplement
  62. Ford SVO Injectors, Can i use them?
  63. '85 Deville Engine Temp Fan Light
  64. If I disconnect the battery.....
  65. 4.9L distributor questions
  66. How to go into different parts of OBD?
  67. gas smell?
  68. 92 Deville Surging during idle!
  69. symptoms of a bad cat?
  70. ebay purchase question?
  71. Flowmaster 80 Series-I LOVE IT!
  72. Over Heating
  73. high throttle on start. Code 26
  74. Fram Air Hog-Test
  75. 4.9L Roller Rockers?
  76. '86 Fleetwood 75 FWD
  77. TPS Adjustment for 85 4.1 (RWD)
  78. where is the thing???!!!!!!????
  79. radiator removal and installation
  80. 92 deville "set timing mode"????
  81. Ahh!!!
  82. What to do to make car stop running rich?
  83. 92 deville clicking after shut off???
  84. Spark Knock, Continued....
  85. Throttle Body and Air CLeaner Housing
  86. Engine Dies...
  87. Quick PCV question
  88. reman Ht 4100 is in looking for reman tranny advice, sources, install, fluid etc.
  89. bogging 4.9 in a Fiero
  90. Hi - 89 Deville 4.5 Liter V8 in 84 Pontiac Fiero
  91. Overheat Problem
  92. '89 DeVille, ISP motor bounces
  93. How to tell if water pump is going out?
  94. Overheating Badly
  95. MAT Sensor location...
  96. Serpentine belt for 4.9 ('91 Deville)?
  97. sputtering
  98. Radiator leak
  99. 15 Amp ERLS blowing
  100. 94 deville fuel delivery prob. HELP!
  101. wtf
  102. loud tapping noise in the left bank sounds like from top end
  103. swap engine
  104. eric
  105. replacing a broke pulley
  106. Jrb
  107. 87 eldorado 4.1L in an 84 fiero - SES light ON
  108. so many codes!
  109. 91 Deville 4.9 with no power- Need Help
  110. 0.07 volts for ground???
  111. 87 Eldorado 4.1L
  112. type of oil
  113. ISC motor idle speed
  114. how do i remove the throttle body?
  115. got my 4.1 reman in but it wont fire up
  116. High RPM on Motor Start - 4.9
  117. 4.5 V8 Water in Oil
  118. 88 4.5 V8 Water In Oil
  119. Aftermarket 4100 Parts?
  120. coolant leak from timing cover?
  121. Hammer -vs- Fussy Starter
  122. bad thermostats, hopefully?
  123. 4.1 TPS sensor
  124. Strange engine/ecu problem
  125. Best motor oil for 4.9?
  126. 4.5 Coolant Problems, Leaking Fluid - but from where?
  127. simple 4.9 questions
  128. 4.9L Firing order + Cylinder location HERE!
  129. 4.1 Rough Idle
  130. Best (Worst) Air Filters to Use
  131. 4.9L performance upgrades?
  132. 4.1 to 4.5 swap
  133. How much for New Head Gaskets?
  134. new mat and coolent sensors
  135. rough idle and sputtering
  136. 4.1 exhaust manifold
  137. 4.9 Head Gasket
  138. problem with "service engine soon"
  139. Advance timing on 4.9
  140. What MPG for 87 Eldorado, 4.1?
  141. E048 EGR fault code how to fix?
  142. 4.9 And The Gas Mileage Sucks!!!
  143. Any way to disable the ses light?
  144. 95 deville tranny question
  145. 92' dies then restarts by its self
  146. ECM pinouts
  147. Dead 89 deville engine
  148. Going to be a long weekend
  149. A few questions for the Caddy Experts 4.9L
  150. old radiator cap problematic?
  151. 4.9 ltr
  152. 4.9 reliability :P
  153. Help With Code
  154. confused
  155. 4.9 Ltr Timing Belt?
  156. Drive ADL switch?
  157. spark plug question
  158. code ro15
  159. 92 Fleetwood 4.9 hesitation/code help
  160. 4.5 no start, no life. sorta familiar
  161. Yea another code ??
  162. 4.1 Operating Temperatures
  163. coolant leak
  164. A few questions regarding the 4.9
  165. code questions please...
  166. Throttle body bolt stripped out of intake manifold
  167. steering wheel will lock up and car cut off
  168. Help with 89 Sedan deVille codes...
  169. how good are the bottom ends on the 4.9?
  170. E98 code - help!!??
  171. 4.9L northstar
  172. Need help ... engine kicks, accelerates/revs itself
  173. '89 DeVille a/c not working
  174. HT4100 Stalling
  175. 4.9 oil consumption
  176. ht 4100 change over to 350 chevy
  177. Will 4.9 heads fit on a 4.1 block?
  178. Thinking about getting a new coil
  179. 87 Cadillac Seville ,4.1 with blown head gasket
  180. Hi. I need lots of help concerning the 4.9L. Thanks.
  181. timing a 4.5
  182. pulley bearing? serpentine belt not moving
  183. Hub on crankshaft
  184. Tackling Motor mount Replacement-92 Seville(4.9)
  185. 1. Diag Codes 2. Engine Stall
  186. squeek squeek .my speedo cable i think
  187. coolant in oil in my new motor
  188. coolant in oil
  189. Reconnecting Spark Plug Wires - 4.9L
  190. rough poor idle on 91 Seville STS 4.9 ideas?
  191. bbob???
  192. Better MPG with 87 Octane
  193. Preliminary tune-up
  194. car from hell
  195. 1988 Coupe Deville 4.5 ECM problem
  196. Please Help!!!
  197. Well, it cranked but...
  198. 4.9 heads on a 4.5
  199. 1990 fleetwood 4.5 fuel filter and thermostat location????
  200. 4.1 V6 and 4.1 V8
  201. Does the bars leak that comes in the gray bottle do the same thing as the tablets?
  202. 93 SDV trans question
  203. can anyone shine some light on me
  204. What's wrong with my 4100?
  205. What are some tricks to make the 4100 last a long time?
  206. hurt caddy
  207. torque specs for belt tensioner pulley
  208. Need trouble codes for '83 HT-4100 Eldo
  209. 93 loud knocking within engine, while in park
  210. ht4100
  211. I bought my muffler
  212. Valve belts?
  213. gas leak
  214. Just got 3 codes, need some help!
  215. Needing help with a few things....
  216. How can I reset codes on '83 Eldo
  217. 4.9 motor buildup pics...
  218. oil light flickers at idle
  219. 83 coupe deville 4100???
  220. 1987 Fleetwood problems, maybe you guys know or been through it?
  221. how do i...
  222. Cracked Manifold
  223. Bad mpg and very throaty problem
  224. Weird ~ I like the 87 4100 growl
  225. How to check codes for A/C unit?
  226. 3 fan fault message in my 88 seville help?
  227. Fuel injector service
  228. starting
  229. flywheel to torque converter bolts
  230. Harmonic balancer 83 Fwd In-Line 4.1
  231. 4100 with 92K
  232. Newbie needs tranny and code help
  233. Deville still will not start...
  234. knocking solved
  235. Almost ready to pull the ht4100
  236. no fuel
  237. Safety Safety Safety !
  238. A Little Different No Start Problem
  239. 95 Deville Wont Start...Boo
  240. 4.9 being weird help!!!
  241. A/C help?????
  242. E67 error, any ideas?
  243. Water in door!
  244. Air Conditioning
  245. A/C Question for '92 STS
  246. ITS DONE....I finally have a smooth QUIET Cadillac
  247. ht4100 mounting to engine stand bolt size?
  248. '94 4.9 won't start!
  249. 1988 Alante will not run
  250. Swap Question 4100 (electronics)