: 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. ISC motor ratchets after shutoff
  2. BBOB or ANYONE---A LITTLE HELP!!
  3. Need help with fuel system
  4. Got a VSS code on my 1990 Deville!!
  5. fuel injection parts
  6. Does the 4.9 really need 91 octane????
  7. When do u change the O2 sensors?
  8. 90 Deville hesitation after driving for hours
  9. 4.9 liter oil use?
  10. 91 DeVille--Problems to Watch For
  11. Failed Smog Test Please Help!!!
  12. Why would the NOx increase after my EGR is hooked up?
  13. 90 Deville runs like crap
  14. miss on the 4.5litre?
  15. Transmission service
  16. 91 caddy deville runs wrong
  17. 4.1 Serpentine Belt Frozen
  18. 'hidden Warranties'
  19. Please Help Me!!!
  20. high RPM, ISC not the problem?
  21. What is the Top mph a 4.9 can hit before it cuts off?
  22. what perfomance mods,if any???
  23. new problem arising?
  24. 4.9 Questions...
  25. 89 deville runs rough intermittantly??
  26. Injector Failure At 43,000 Miles???
  27. 4.1 Engine seems to be running rich
  28. 91 DeVille wants to go like crazy! Whats up?
  29. 4.1 Clutch Fan hooped?
  30. spark plug torque for 1991 4.9
  31. 93 Deville Werid Noise
  32. '90 Seville with 4.5 Knocks when warm
  33. Are the GM replacemnt 4100's a better design ?
  34. HT 4100 flooding out badly. Warm or cold
  35. fuel system problem...i think
  36. 85 eldo
  37. 94 deville loss of power
  38. where does the "gas mileage" sensor collect the data?
  39. leaking "fuel filter "??
  40. Dead mouse in the heater/ AC box HELP !!!
  41. 4.9 head gaskets fel-pro vs GM
  42. Fuel Guage problem
  43. help! i think i blew it. 4.5 hg
  44. 1988 4.5l fwd eats up distributor gears
  45. 88 eldo codes but why
  46. Source for sleeves 4.1 4.5 etc
  47. 85 FWB stalled out and won't start
  48. Should I buy it, guys?
  49. carb removal help urgent
  50. torx
  51. NEED HELP -Stalled 92 Seville STS, won't start
  52. Need help quick please 4.9 deville
  53. 1st post: Eldorado dies 3 miles after I bought it...HELP!
  54. 1990 Deville idle issue
  55. no rad fans 90 deville 4.5
  56. SERVICE SOON light comes on random, but serviced at dealer last year.
  57. Oil pressure in HT4100?
  58. MAP reading while applying brake
  59. tranny jumping in and out of gears
  60. Roaring Rattling Deville
  61. is my engine shot????
  62. 1990 cadillac sedan deville
  63. 4.9 Manifolds????
  64. 4.5L replacement for 4.1 in 84 eldo/seville?
  65. Rebuild 4.9L thread?
  66. 4.9 pushrod length/width?
  67. 4.1 engine questions
  68. Exaust question
  69. Low RPM ENgine Rough
  70. removing oil pan from 92 DeVille
  71. Steel Rocker Arm Supports
  72. 91 Eldorado Performance Tips
  73. A/C Leak
  74. TPS wiring Question.
  75. heres where im leaking coolant *pics
  76. 1991 SedanDeVille - "Service Engine Soon" Light
  77. The Surge/Stumble Revisited
  78. intermittent miss 4.5 1990 deville
  79. Adjusting the TPS - Right or Wrong?
  80. Whats up guys! I really need your help!!
  81. GM Coolant Pellets Do Not Work....
  82. Went through my codes today and...(help)
  83. 89 sedan deville hesitation problem--HELP!
  84. help with code please
  85. 4100 1990 deville
  86. Newbie here with a warning about Autozones (Wells) TPS
  87. Blown Head Gaskets 4.5 or 4.9 V8
  88. Red Line Water Wetter ?
  89. 4.5 Cooling System Additive
  90. 1987 Cadillac Sedan Deville
  91. My 1986 Cadi engine revs continually
  92. Hey, can anyone help me with this 4.9?
  93. 20w50 5W30 oil,not for use in a 4.9 liter engine?
  94. DeVille (DEVIL?) 91 *extreme* power loss.
  95. 92 Deville will not run with MAP sensor connected
  96. 85 Fleetwood 4.1 (FWD) NO START
  97. How to detect a misfiring cylinder....
  98. Why does '90 4.5L not drop to idle till almost stopped?
  99. start,start,no start
  100. Coolant Fan manual override switch
  101. Finally have my Eldorado back w/extra hp!!
  102. Do you have to change all 8 injectors on a 1992 4.9?
  103. Car overheat real bad when sitting still for 15 minute
  104. Changed Coolant Today!
  105. 4100 rwd deville swap
  106. '89 4.5L, 200k miles, oil leak behind waterpump?
  107. engine code e47
  108. crankcase pressure
  109. codes
  110. What grade of fuel should I use?
  111. Vibration in 1992 4.9!?!?!?!?
  112. engine races when started cold
  113. Look inside the 104k 4.9.... and a new valve cover :)
  114. need more hp!!!!!!
  115. 87 Seville 4.1 smokeing, don't know why.
  116. Rocker arm support installation question.
  117. What happened to my post?
  118. 4.5L timing?
  119. 4.9 Custom Header - Gauging Interest
  120. 95 Deville PO39 code need help!!!!!!!!!
  121. Converter Inlet Size??
  122. throttle switch short
  123. 4100 sleeve selection (rehash?)
  124. Oil change and now the light wont go out.
  125. Is it hard to change the coolant on the 4.1?
  126. Performance parts for caddy 4.9 engine?
  127. 4.9 Custom Air intake
  128. Radiator cap PSI for 4.9
  129. Timing 94 Deville
  130. rough running after warm up
  131. Nitrous in 4.9
  132. Stripped Head Bolt Threads
  133. 83 coupe air pump
  134. Removing cat-converter...good idea or no?
  135. URGENT!! Muffler?
  136. Finally summers here, first problem..brakes stuck
  137. leaking deville 4100 need bandaid
  138. Is 104C too hot for a 4.9L 1994 Deville?
  139. Is There Such A Thing As A Starter Motor Overheating?
  140. Illumina /Bbob/Nodh and other Tech types
  141. Possible Seville Engine Swap
  142. E39 Code
  143. 4.5 Performance?
  144. ht4100 bars leaks crap help
  145. 1990 4.5 needs new injectors
  146. My buddy thought the 4.9 was like 250hp!!
  147. Engine STILL missing (intermittant), tons of work done so far--HELP!!!
  148. rumble in the 'ville
  149. My Caddy won't start.
  150. Code 19....1984 DeVille
  151. Longevity of a 4.9L Is 150K too many miles?
  152. What are the common problem areas with 4.9Ls on 1994 Deville?
  153. Knock
  154. 4.9 straightpipes
  155. how common are coolant leaks in 4.9
  156. transmission trouble
  157. 1985 HT 4100 Cast Iron Block & Head???
  158. 93 Deville Idle Sticking
  159. Stuck with a HT4100? I have the solution!
  160. 4.9 problems
  161. Tranny Cooler Part Numbers:92 ETC
  162. 85 HT4100 Swap
  163. Engine knocking
  164. Oil leak (Bbob)
  165. Ht4100 Idle
  166. Any advice on a HT4100 while I'm fixing the timing chain/gears?
  167. dumbass in need of help
  168. HT4100 Idle speed (warmed up)?
  169. Transmission lags the downshifts + sometimes upshifts after high speed drive
  170. Changing Engine Coolant
  171. P085 ....... Idle Throttle Angle Too High
  172. serpantine belt problem, 92 deville
  173. Are You Sure Rotella Is good for the 4.9?
  174. antifreeze in oil please help bbob and all
  175. 89 STS torques to one side
  176. 88 eldorado 4.5 help please
  177. 4.9 water pump bolting question?
  178. 1992 Cadillac Sedan DeVille O2 Sensors
  179. 90 Eldo w/4.5 PROJECT CAR - Advice Desired
  180. fuel injector question
  181. It's the smog pump
  182. Removing/Reinstalling Accelerator Pedal
  183. Risks of Ethanol?
  184. 4.1 compression
  185. replaced water pump/wont start
  186. proper oil for 88 sedan deville
  187. Warmed up engine FLOWMASTER 40series DELTA FLOW clip
  188. Brake cleaner - does it miff the engine gaskets?
  189. 94 Deville 4.9L ...P030 and some other codes....
  190. New to the forum....
  191. Who sells a good CA legal catalytic conv. ?? - We have very strict Smog tests here.
  192. Are these holes in the airfilter housing supposed to have something... '84 HT4100 TBI
  193. New Deville Clips
  194. 84 cadillac seville chargeing problem
  195. 1992 sedan deville head gaskets?
  196. 92 Deville Starter heat shied
  197. 4.5 intake gasket
  198. VSS location?
  199. How do you Remove&Clean Throttle Body, engines too big to see back there.
  200. No More Poop On Coupe ! Yea !
  201. 88 eldo 4.5 running temp and code E027 ?'s
  202. 93 Seville radiator fan
  203. PO41 No Cam reference Signal - broke down on trip
  204. Is the exhaust layout identical per the 1983 and 1984 DeVille 4.1 V8
  205. Aftermarket Cat
  206. Why doesn't an '84 DeVille F'ING show up on most of the online catalogs?
  207. What's the most universal oil filter wrench you have used?
  208. 91' deville
  209. 90 deville water pump?
  210. time for a tune up.. whats involved.
  211. Oil Pressure Light just came on - 4.1 V-8!
  212. CAN you change oil filter withOUT draining oil pan?
  213. 83 coupe 4100 ( 4.1) injector problems
  214. Slow Battery Drain
  215. 4.5 liter misfiring on acceleration, rough idle
  216. HT4100 EGR schematics needed to figure out smog issue, BAD F'ING NEWS
  217. Change of Plans! I'm not supercharging anything...
  218. torque convertors for teh 4t60
  219. BARO on 4.9?
  220. Knocking/Rattling From Engine
  221. injector duty cycle
  222. Dangers of flsuhing HT4100 with motor Flush and Supertech oil.
  223. Fuel pressure
  224. Newbie needs help with 87 seville 4.1L
  225. Can A 4.1 Trans be Used in a Long?...
  226. anyone know????
  227. 4.1 wiring from distributor to plugs HELP ASAP
  228. 84 Eldorado 4.1 V8 (HT4100) "E" engine, M57 tranny, Noise from lower end
  229. remove power steering pulley
  230. coolant temperature
  231. GM Reliability Testing?
  232. 84 SDV RWD 4.1 Intake gasket
  233. Is single 3" exhaust too big for a 4.1L @ 200 HP?
  234. Fuel Injector Replacement
  235. HELP!! 91 Eldo stalling problem
  236. used E C M ... from junk yard
  237. How much booooooooost PSI can these 4.1's take? What gives in under pressure?
  238. Bad ECU?(BBOB)
  239. WHAT THE **** IS EVERYONE's FAVORITE MUFFLER/CAT Pipe SETUP?
  240. 4.9 oil pump in 4.5?
  241. does ECU prevent engine braking
  242. What The Hell Is That Thing!?!?!?!
  243. Cleaning and tune up junk on an 88 4.5L deville
  244. 1990 Deville won't start HELP
  245. What kind of Exhaust systems do the 84 SDV 4.1Liter motors like to breath through?
  246. Took a Vid in my 91 Deville
  247. Knocking in the 4.9
  248. 94 deville questions
  249. Best way to flush system (84 HT4100 SDV)
  250. Info on GM Goodwrench replacement engine, HT4100