: Northstar Engines and System Technical Discussion



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  1. About to kick my caddy
  2. 98 STS Has DIC That Still Registers 100% Trans Fluid Life
  3. Northstar missing at idle
  4. Fuel Rail Leak on 98 Deville!!!
  5. Best Bar's Leak...C16 Liquid
  6. To replace or repair the n. star
  7. 97 Deville Question
  8. northstar extended warranty
  9. Noticeably Better Gas Mileage..On 10 yr old+ Engine!?
  10. Gas miles -- Standard DeVille vs DTS
  11. Changing out Fuel Rail??
  12. intake manifold bolt torque?
  13. Strange Things Happing
  14. Gas pedal click
  15. Starting to get rough idle
  16. Fixin' to pull the engine
  17. Head Gasket Leak : NO OVERHEAT with coolant supplement
  18. TPS replacement problem
  19. Fuel Leak
  20. Northstar transplant and electronics
  21. Best way to prevent an oil leak on N*?
  22. 180F or 195F Thermostat for 94 N*?
  23. Misfiring and Service Engine light
  24. Coils / Intermittent "missing" on my 99 STS
  25. Hey Hotrodelectric
  26. Northstar Expectancy
  27. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  28. Ac
  29. Apparent Coolant Leak Below Water Pump
  30. What makes the Headgaskets go so often on early N*s?
  31. Engine Service Soon light on but no codes??? 94 Concours
  32. Perfect exahust flow for 1999 STS?
  33. 94 N* Eldo - Thought was Head Gasket! WAS NOT! My experience!
  34. oil pressure or electrical problems?
  35. Starting Problem
  36. Coolant leak 94 Concours
  37. Bar's Leaks, block seal: Head Gasket Repair ???
  38. Starter problem with '97 STS
  39. Caddy Northstar LMP 4.0 turbo
  40. I can't drive 55 (very far)
  41. Coolant Spuing
  42. Block Drain Plug- Coolant 4.6L
  43. Vacuum Harness????
  44. Piston Slapping site
  45. Help Again Bbobynski !! - Tranny Codes
  46. ? on buying a northstar engine
  47. Improve gas mileage with water??? Stupid or Scientific?
  48. Major head gasket problem
  49. 4.6 liters 300hp... 2.0 liters 200hp
  50. OBD II computer
  51. a question
  52. Oxytane?
  53. What Engines Can I Use???
  54. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  55. Fuel Rail Leak
  56. Rotten Egg
  57. '95 eldo TC fuel smell in cabin & hard-start
  58. can i use marvel mystery oil?
  59. Pros/cons Of Waterwetter For Northstar
  60. Over Heat Feature
  61. Torque Convertor Viscous?
  62. Can't find IP, TC, PZ, RS code info
  63. P056 easy fix
  64. Northstar misfire and backfire
  65. Throttle body size question, and HEADERS-where can I find some?????
  66. 93-94 wrist pin problems????
  67. Brand New Northstar Engine For $2500
  68. gunning cadillacs...was it NOT worth it? :-\
  69. Intake Assembly
  70. can 94 interchange with one another.
  71. Back fire in the induction system
  72. Caddy won't go into Overdrive Any ideas?
  73. Fastchip vs Superchip ...
  74. Coolant temp 250 is this too high? No warnings and fans on low?
  75. 0-60 specs: 95' N* impressive
  76. Swaping A From Y To 9
  77. need help
  78. 2000 Dts 60k Service?!?!?
  79. Revised Emissions Woes
  80. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  81. Chip for Eldo 95 LE
  82. 97 SLS Stalls Only On Hot Days
  83. Throttle body cleaning question
  84. Oil Pan Gasket Change
  85. Who agrees that the Northstar is due for an overhaul by Cadillac?
  86. High Speed fan switch not working/working well
  87. 94 concours has no warning info messages!!!!
  88. Reasons for a/c compressor inop ?
  89. Q. for anyone who knows re: FWD N* - Why Transverse?
  90. 93 seville driving on its own
  91. engine temp?
  92. Down To The Wire: last minute thoughts please
  93. where are the 25 horses
  94. North * reliability?
  95. "Induction Performance Service"?
  96. How do I know if I need the computer updated?
  97. Oil Pressure Drop
  98. ? for those with aftermarket intakes
  99. Coolant Overflow
  100. gunning cadillacs...is it worth it?
  101. 96 Eldorado heating up...
  102. 1994 Eldorado 4.6L Tapping Noise
  103. Cooling Temps.
  104. Hard shift outta 1st
  105. "Weeping" Head Gasket
  106. Obd1
  107. Help With Code 39 Tcc Off
  108. Idle Problems
  109. squeak on 97 deville
  110. crate 2000 Northstar in a 59 Chevy Suburban
  111. cold start/warm start
  112. 1994 SLS 4.6 Oil Pressure Switch Woes
  113. Colours
  114. Odd Tune Up Question
  115. P0741 TCC stuck off
  116. Pre 2000 Northstars
  117. ShadowLvr400
  118. Replace transaxle seals or not?
  119. Vacuum line routing?
  120. Bobynski!
  121. need rebuilt short block-Northstar
  122. aftermarket CPU ???
  123. 2001 deville go fast parts ???
  124. EGR Pintle Stuck????
  125. High Temps?
  126. Gear Shift Position Indicator 1994 STS
  127. Misfire/hesitation
  128. Race day mods?
  129. 97 Sedan Deville oil change
  130. motor idles eratically at start and then dies
  131. Low Oil Pressure 1994 SLS 4.6 144k
  132. Right or left, Help Please!!!
  133. Need Code Info
  134. 1996 sts need help won't start
  135. Engine crud @ head gasket repair
  136. One fan or two?
  137. Failed emissions....plugs and wires...?
  138. General Questoin
  139. Overheating --- Still!!!!!!!!
  140. What are these trouble codes? Help!
  141. AAARRRGHHH...Where's the #$@#) switch?!?!
  142. Help! Dealer wants $$ for recall fuel rail!
  143. Very Long, EBTCM
  144. Northstar Maintenance -Tune Up
  145. K&N filters
  146. Check engine soon ! Why ?
  147. Waterpump reliability
  148. No one can figure it out!!! Help!!!
  149. In need of expertise
  150. SC44 and SC55
  151. why are the northstar engines always catching on fire?
  152. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  153. 4.9L NorthStar Performance Upgrades???
  154. Need new/rebuilt '96 Seville engine
  155. 100K warranty
  156. Noise from PS pump.
  157. Wanted!! '00+ rear tranny mount
  158. PO 441 error
  159. Help!!
  160. Rubber gone in the top motor mounts
  161. Stop Engine Low oil pressure
  162. Help with fixing a broken shift solenoid
  163. Tranny detent cable question
  164. po29????
  165. '96 STS Engine Stalling - Possible Electrical Problem?
  166. It's time to tear into her!!
  167. Codes PC0300, PC1139, PZ2719
  168. Crack my Block!!!!!!
  169. "Y" code vs. "9" Code
  170. Northstar 97 sls was hard 2 start--now no start
  171. 1997 Seville STS - Oil Leak Problems?
  172. 130k gaskets vs. 88k transplant
  173. Unlimited funds....almost
  174. Service Emissions System
  175. air plenum and coolant...
  176. error codes p0113 &503
  177. Computer codes and more help wanted
  178. coolant and A/C fans broken blades & mounting arms
  179. 1996 Sedan Deville Knock Sensor
  180. Newbie needs help
  181. frozen serpentine belt tensioner
  182. New Northstar, Unleaded or Premium?
  183. Want to buy northstar coils...
  184. Northstar indicates overheat
  185. BBOB - North* Oil Usage Comment
  186. Bad Cylinder?? Low compression?? Need help.
  187. Steam Engine, Now What?
  188. Zero Oil Pressure!! HELP!!
  189. INtake Manifold
  190. N*, Gas drowning my cylinder, getting smoke
  191. 2 Trans oil purge questions...or more?
  192. Erratic Throttle
  193. Strange Readings 1994 Deville Concourse N*
  194. What would a gas coating on a plug mean?
  195. BBOB - thermostat?
  196. Steam from Tail Pipe?
  197. exhaust questions
  198. water pump tool
  199. Cluster Question - Low Oil Pressure
  200. Limp home mode?
  201. Flowmasters?
  202. Flexplate to Torque converter - loctite??
  203. "Check Oil Level" message question
  204. hole in aluminum Radiator - help wanted
  205. Help Eldo Completely Dead But Batt.has Voltage
  206. Rough Idle...Sluggish Acceleration....
  207. Trouble codes
  208. P0741 - TCC System Stuck Off ???
  209. Clueless N* owners with 4 codes
  210. A P059 code?
  211. Longevity of the N* timing chain nylon tensioner pads ?
  212. What type of Power Steering fluid to use in 93 N* Eldo ?
  213. Limp Home Feature?
  214. Last pressure test update - hopefully!!!
  215. How important (really) is an oil cooler?
  216. Cascading multi-module failure-BBOB?
  217. Hesitation when a/c is on?
  218. PCV valve location 2003 Deville
  219. 4T80E Trans neutraling out in Drive/OD
  220. P 028 code AND overheating?
  221. 96 Deville Waterpump belt removal
  222. Is my car misfiring?
  223. Misfire Woes
  224. Another pressure test update
  225. Can dex-cool replace green anti-f?
  226. more head gasket headaches
  227. Egr
  228. More pressure test questions
  229. Nice job on headbolt quality control
  230. 4.0 to 4.6 swap ?
  231. BBOB - did the press test/overheating/????
  232. Timesert kit needed
  233. Tapping Lifters at start
  234. Northstar Gasket Replacement $?
  235. coil packs on 93 ETC?
  236. Eating Oil.......
  237. Eror code p0153
  238. ac only blows worm air
  239. air intake pro's & cons
  240. Brand new N*...
  241. 1997 Seville - Tranny
  242. Head gasket progress/ performance?
  243. Bbob - Tranny Oil Cooler Line Quest.
  244. Eldo idle and low speed running ODD- HELP!
  245. 93 Northstar using 5w-30 ?
  246. Cleaning Engine
  247. when do the fans come on?
  248. Fun with lifters
  249. How badly stripped was your block?
  250. 96 cadillac deville troubles !!!!