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