: HT4100 4.1, 4.5, 4.9



Pages : 1 2 3 4 5 6 7 8 9 [10] 11 12 13 14 15 16

  1. Code Triggered: E66
  2. Low oil pressure at idle
  3. 4.x starter interchange list
  4. 4.9 91' coupe suspension level
  5. 4100 timing question
  6. Where do these fuel lines run??
  7. 1990 Sedan Deville 4.5L A Few Questions
  8. Uneven idle
  9. Teardown set for friday ...
  10. Ac Compressor
  11. Is this repair worth it?
  12. How Hot is too hot, Ouchi Hottie story inside.
  13. 89 cadillac 4.5 oxygen sensors
  14. Bore spacing
  15. 87 Deville NO FUEL!!!!
  16. FWD HT4100 air pump pupose?
  17. pinhole in block, leaks coolant, what should I do?
  18. 4.9 Just started running rough at idle
  19. Repair cost too high?
  20. 1990 Cadillac Sedan DeVille - Idling Too High
  21. HT4100 valve train pics
  22. Thermosat Question
  23. Am I stuck having to use an 80 series muffler?
  24. Strange COOLANT SENSOR readings--And engine cuts out while driving!!!
  25. water pump
  26. Oil Pan Gasket replacement on a 4.5L
  27. Error Code E41 Camshaft Position Sensor
  28. 4.9 starter problems
  29. 94 deville runs rough at cold start
  30. So Even After $700 dollars it still leaks!
  31. Swap ?'s
  32. Emission test failure
  33. How do I get my 4.5L to coast down to the "70 mpg" benchmark?
  34. A question about the Rotella Motor Oil
  35. Pls Help 4.9 ac compressor froze
  36. Deville shakes violently .. Please help!
  37. 1993 Deville ODB Codes Tripped, Idle Motor
  38. EGR valve replacement fixed the knocking problem!
  39. water pump leaking after i change it
  40. How to enter override E.5.3 on a '90 DeVille
  41. Hose question & error code 30 and 34
  42. 87 Deville Intake
  43. 4.9 intake manifold
  44. Feels like mis-fire. 85 fleetwood 4.1
  45. Engine replacement on an 88 Coupe
  46. fuel pump?????
  47. wot's and front oil seal
  48. oil pan gaskets
  49. emissions failed
  50. Crossover pipe
  51. I got into my diagnostics w/o a clue
  52. Code P039 Current?
  53. error code
  54. Pump thingy :/ 4.1 HT
  55. Programers???
  56. first service on my 89 deville
  57. stumbling, hesitation under load only
  58. 4.9 acceleration? ? ?
  59. Head or Intake?
  60. Are 1990 Throttle bodies obsolete?
  61. 91 DeVille Stalls Repeatedly
  62. Engine Soon EGR code
  63. Motor mounts/CV Joint
  64. Motor mounts/CV Joint
  65. Motor mounts/CV Joint
  66. Deville Acclerating
  67. need help
  68. i need help
  69. 4.5 to 4.9?
  70. HT4100 MSD IGNITON, should I ?
  71. Cooling Pipe Crack
  72. HT4100 Question
  73. 4.9l bolt on mods??
  74. I hate this car.
  75. Stumbling, hesitation, backfiring 89 Deville 4.5
  76. Distributor cap wiring help!!! 4.5 litre 89 deville
  77. HT4100 vacuum pump
  78. Yet another head gasket question
  79. Fuel injection question
  80. Fuel tank baffles or pump?
  81. 88 Coupe Deville Intake Manifold or Head gasket
  82. Help required !!
  83. Crazy Cadillacs
  84. This is a weird one
  85. Ok Guys, So what parts break? Engine Wise.
  86. 91 deville runs a little hot
  87. Fuel Pump Revisited
  88. 4.9 knocking
  89. WTF? Why won't this thing just blow up...
  90. 95 deville idle problem...2
  91. Deville 4.1 fwd rear main oil seal leak :(
  92. water pumps
  93. Nasty squeal - water pump?
  94. what EXACTLY do I need...?!
  95. 1988 Cadillac Coupe Deville Head Gasket
  96. Thermostat housing torque specs
  97. Engine compartment revisions!
  98. 1990 fleetwood engine miss please help
  99. I think I need a distributor 89 Deville 4.5
  100. A blog for Caddy fans
  101. MGB 4.5 project
  102. E52 code
  103. spark wires cover - removal help
  104. 1990 deville 4.5 won't even turn over
  105. water pump replacement
  106. Wheel Bearing installation - help....
  107. Remeber where those vac lines go.....
  108. E Codes on my 4.5 HELP
  109. E39 and E48 codes could I get some advice?
  110. Can anything go wrong/Flushing coolant?
  111. Another way to pull codes?
  112. Camshaft lifter questions
  113. exhaust manifold
  114. 4.5L ECM inputs
  115. Why I hate NTK Oxy Sensors from Now ON.
  116. Coolant pellets/conditoner
  117. Prob with 86 deville sedan with 4.9L *HELP*
  118. Ported vacuum switch--supposed to have a wire connected to it?
  119. 4.9L Aluminum Head project?
  120. Stoneage_caddy I had my car's fuel preasure checked today,have a couple of questions
  121. Anyone running an Auto meter Air/Fuel Ratio meter.
  122. What O2 sensor(s) are you using.
  123. antifreeze for my 85 fleetwoods ht4100
  124. Antifreeze for my HT4100
  125. 1989 Eldorado Biarritz MPG
  126. 1991 deville engine dies when coasting
  127. The Homemade 5 Liter PFI Project .....
  128. 85 seville valve lifters
  129. Blown 4.1 ht in 83 eldorado ?? how to tell ?
  130. Bogging problem
  131. Throttle body problem, help please
  132. I knew I saw it someplace, now where did it go, no not my sanity but close?
  133. 4.5......which sensor is bad?
  134. 4.9 bearing part number or TSB?
  135. Help with HT4100 water pump
  136. which is the better motor
  137. Nitrous Question
  138. 1995 DeVille Idle Fluctuation
  139. issues w/ back pressure?!?
  140. Well the pump is on, but my serpentine belt...what?
  141. 83 Sedan Deville 4100
  142. Its an Invasion 4.9, 5spd Stick Fiero
  143. why I love my 4.5...
  144. 1985 deville coolant and heater core questions.
  145. New member here, and I need some '93 Deville help (water pump installation)
  146. 1990 Allante Bosch fuel injectors/FiveOMotorsports
  147. Cleaning '90 EGR 4.5
  148. Groll Polluter FIXED??????????????????
  149. Where does this fuel line run?
  150. 88 Deville.Tensioner Pulley.
  151. 85 4100 is running rough and hesitating
  152. car will not go past 35mph 82 with a 4.1
  153. Does anyone have a picture or info on the Negative block ground?
  154. EGR Cleaning
  155. Cheap quality Rebuilt transmissions
  156. 4.5 Fast Idle problem
  157. I need a no Yo-Yo shift-kit immediately!! '84 RWD DeVille
  158. 93 Runs rough & loud when wet
  159. Spark Plug Replacement
  160. Fuel Injector Compatiblity
  161. Oil pan gasket
  162. No Spark/ No Start Problem/ Pulling what hair I have left out!
  163. oil change
  164. Accel fuel injectors
  165. Alldata (autozone)????????????????????
  166. A/C Compressor
  167. Help ECM E85
  168. Fuel Pumps on '82-85 HT4100 -- Life span??
  169. Analyzing Fuel Economy
  170. Difference between '82 vs '85 Fuel Injectors on the HT4100????
  171. Oil Theories
  172. Got Injectors? 4.9/4.5
  173. E048
  174. Why Wont This Car Start After I Put In A New Alternator.
  175. '85 Throttle Body in an 82 Eldo???
  176. 4.9 knocking
  177. Hole In Muffler(Recommended Replacement)
  178. 91 DeVille
  179. In reguard to my deville's rough idleing,could it just need an induction service?
  180. Code question.
  181. Plugs for 4.9
  182. 1994 Deville 4.9 (Serpentine Belt) - Save Me From the Junk Yard
  183. Inaccurate gas readout?
  184. 1990 Allante fuel injectors
  185. 4.9 with sleeves?
  186. 4.9 Air Cleaner
  187. Stoneage_caddy my deville is stuttering when idleing,any ideas?
  188. 92 4.9 fleetwood high idle
  189. 1994 4.9L won't pass emissions HCs too high How to fix?
  190. HELLO - I'm seeing an error code 52 - any idea what that means?
  191. 4100 Reliability
  192. 1982 eldorado low oiil pressure light on immediately after oil change??
  193. 82 deville VIBE SOLVED
  194. let the thing blow up??
  195. Low Oil Pressure Light 1982 eldorado
  196. engins problem
  197. radiator blew apart
  198. new to the forum - big problem
  199. Whats the best place to find a replacment 4.9
  200. RE: 82 deville
  201. 4.1 ELDO Hesitation and Stall
  202. 84 4.1 Eldo
  203. Fuel Injectors
  204. Regular gas vs. premium gas
  205. used injectors
  206. 82 deville vibration
  207. '84 Eldo Failed NOx
  208. Wow...26+ MPG in a 3900# vehicle with over 700 lbs of cargo/passengers
  209. Collapsed UPPER Rad Hose!
  210. injectors
  211. 4.9 Froze
  212. 4.1 Giving 3 codes...Need help
  213. Is the 4.9 Under Rated?
  214. I need a water pump have a couple of questions.
  215. 4.1 v6, 4.1 v8-- What's the differance?
  216. Dip Stick Tube
  217. 85 Fleetwood Brougham W/ 4100 -- No Start...
  218. Open or closed deck block
  219. Emission Results fine in set timing mode?
  220. A new problem...
  221. 4.9 Dead - How easy to swap in a 4.5?
  222. need some help
  223. What are common issues with the 4.9?
  224. injector part number
  225. Overheating not block or head 83 Brougham anyone know whats wrong?
  226. changing spark plugs
  227. A few qestions regarding timing, etc.
  228. 1990 feleetwood codes on air control panel
  229. 93 seville sls idle problems
  230. 86 Cadillac Deville Timing
  231. 85 FWB W/ 4100 Hesitation...
  232. 89 Deville, What would cause this?
  233. THROTTLE PROBLEMS 95 DeVILLE 4.9
  234. Can't seem to fond the answer.
  235. Anyone tested 4.9's fwhp?
  236. Could a catalytic convertor go bad in 2 years?
  237. Switched Oil and now it clatters!!!!!
  238. Fuel Injectors help!!!
  239. 1990 Allante Engine
  240. ISC motor ratchets after shutoff
  241. BBOB or ANYONE---A LITTLE HELP!!
  242. Need help with fuel system
  243. Got a VSS code on my 1990 Deville!!
  244. fuel injection parts
  245. Does the 4.9 really need 91 octane????
  246. When do u change the O2 sensors?
  247. 90 Deville hesitation after driving for hours
  248. 4.9 liter oil use?
  249. 91 DeVille--Problems to Watch For
  250. Failed Smog Test Please Help!!!