: Northstar Engines and System Technical Discussion



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  1. ETC Crossover Leak
  2. Fuel Rail Recall Update
  3. Norstar governor
  4. 2005 Bonneville gets N*
  5. Fuel Rail Recall Missinformation
  6. Scan Tool Questions
  7. CARFAX (engine / car serial Numbers)
  8. Who has done a lot of mods to NS powered cars?
  9. Oxygen sensor problems
  10. All was fine until... hard cold start prob
  11. No orange light in Park, D, 2,1 in cluster on Concours?
  12. new 99 eng for 97 how much is different?
  13. 96 deville error codes P0147 and P0146, where do I look?
  14. po741 error shifting problem
  15. Leaking coolant
  16. Cat-back systems
  17. Throttle Body Cleaning
  18. coolant temp sensor
  19. carfaxing a used northstar
  20. Exhaust crossover
  21. 1994 sts 94K miles overheating
  22. Timesert kit for sale
  23. rough idle
  24. IPC lights ....out
  25. 96 sts transmission
  26. Fuel Rail Recall, just got the letter
  27. Changing That Water Pump Belt
  28. headgasket repairs
  29. Traction Control & a code.....
  30. newb looking for part numbers
  31. Solenoid/Valve Body/Trans Pan Pics!!!!!!!!
  32. Volant Air Intake
  33. Oil pressure check
  34. replacing my 96 northstar
  35. Where is it all?
  36. Will I suck her dry if....
  37. Shift Solenoid Kit Pics of Parts!!!!
  38. About to kick my caddy
  39. 98 STS Has DIC That Still Registers 100% Trans Fluid Life
  40. Northstar missing at idle
  41. Fuel Rail Leak on 98 Deville!!!
  42. Best Bar's Leak...C16 Liquid
  43. To replace or repair the n. star
  44. 97 Deville Question
  45. northstar extended warranty
  46. Noticeably Better Gas Mileage..On 10 yr old+ Engine!?
  47. Gas miles -- Standard DeVille vs DTS
  48. Changing out Fuel Rail??
  49. intake manifold bolt torque?
  50. Strange Things Happing
  51. Gas pedal click
  52. Starting to get rough idle
  53. Fixin' to pull the engine
  54. Head Gasket Leak : NO OVERHEAT with coolant supplement
  55. TPS replacement problem
  56. Fuel Leak
  57. Northstar transplant and electronics
  58. Best way to prevent an oil leak on N*?
  59. 180F or 195F Thermostat for 94 N*?
  60. Misfiring and Service Engine light
  61. Coils / Intermittent "missing" on my 99 STS
  62. Hey Hotrodelectric
  63. Northstar Expectancy
  64. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  65. Ac
  66. Apparent Coolant Leak Below Water Pump
  67. What makes the Headgaskets go so often on early N*s?
  68. Engine Service Soon light on but no codes??? 94 Concours
  69. Perfect exahust flow for 1999 STS?
  70. 94 N* Eldo - Thought was Head Gasket! WAS NOT! My experience!
  71. oil pressure or electrical problems?
  72. Starting Problem
  73. Coolant leak 94 Concours
  74. Bar's Leaks, block seal: Head Gasket Repair ???
  75. Starter problem with '97 STS
  76. Caddy Northstar LMP 4.0 turbo
  77. I can't drive 55 (very far)
  78. Coolant Spuing
  79. Block Drain Plug- Coolant 4.6L
  80. Vacuum Harness????
  81. Piston Slapping site
  82. Help Again Bbobynski !! - Tranny Codes
  83. ? on buying a northstar engine
  84. Improve gas mileage with water??? Stupid or Scientific?
  85. Major head gasket problem
  86. 4.6 liters 300hp... 2.0 liters 200hp
  87. OBD II computer
  88. a question
  89. Oxytane?
  90. What Engines Can I Use???
  91. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  92. Fuel Rail Leak
  93. Rotten Egg
  94. '95 eldo TC fuel smell in cabin & hard-start
  95. can i use marvel mystery oil?
  96. Pros/cons Of Waterwetter For Northstar
  97. Over Heat Feature
  98. Torque Convertor Viscous?
  99. Can't find IP, TC, PZ, RS code info
  100. P056 easy fix
  101. Northstar misfire and backfire
  102. Throttle body size question, and HEADERS-where can I find some?????
  103. 93-94 wrist pin problems????
  104. Brand New Northstar Engine For $2500
  105. gunning cadillacs...was it NOT worth it? :-\
  106. Intake Assembly
  107. can 94 interchange with one another.
  108. Back fire in the induction system
  109. Caddy won't go into Overdrive Any ideas?
  110. Fastchip vs Superchip ...
  111. Coolant temp 250 is this too high? No warnings and fans on low?
  112. 0-60 specs: 95' N* impressive
  113. Swaping A From Y To 9
  114. need help
  115. 2000 Dts 60k Service?!?!?
  116. Revised Emissions Woes
  117. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  118. Chip for Eldo 95 LE
  119. 97 SLS Stalls Only On Hot Days
  120. Throttle body cleaning question
  121. Oil Pan Gasket Change
  122. Who agrees that the Northstar is due for an overhaul by Cadillac?
  123. High Speed fan switch not working/working well
  124. 94 concours has no warning info messages!!!!
  125. Reasons for a/c compressor inop ?
  126. Q. for anyone who knows re: FWD N* - Why Transverse?
  127. 93 seville driving on its own
  128. engine temp?
  129. Down To The Wire: last minute thoughts please
  130. where are the 25 horses
  131. North * reliability?
  132. "Induction Performance Service"?
  133. How do I know if I need the computer updated?
  134. Oil Pressure Drop
  135. ? for those with aftermarket intakes
  136. Coolant Overflow
  137. gunning cadillacs...is it worth it?
  138. 96 Eldorado heating up...
  139. 1994 Eldorado 4.6L Tapping Noise
  140. Cooling Temps.
  141. Hard shift outta 1st
  142. "Weeping" Head Gasket
  143. Obd1
  144. Help With Code 39 Tcc Off
  145. Idle Problems
  146. squeak on 97 deville
  147. crate 2000 Northstar in a 59 Chevy Suburban
  148. cold start/warm start
  149. 1994 SLS 4.6 Oil Pressure Switch Woes
  150. Colours
  151. Odd Tune Up Question
  152. P0741 TCC stuck off
  153. Pre 2000 Northstars
  154. ShadowLvr400
  155. Replace transaxle seals or not?
  156. Vacuum line routing?
  157. Bobynski!
  158. need rebuilt short block-Northstar
  159. aftermarket CPU ???
  160. 2001 deville go fast parts ???
  161. EGR Pintle Stuck????
  162. High Temps?
  163. Gear Shift Position Indicator 1994 STS
  164. Misfire/hesitation
  165. Race day mods?
  166. 97 Sedan Deville oil change
  167. motor idles eratically at start and then dies
  168. Low Oil Pressure 1994 SLS 4.6 144k
  169. Right or left, Help Please!!!
  170. Need Code Info
  171. 1996 sts need help won't start
  172. Engine crud @ head gasket repair
  173. One fan or two?
  174. Failed emissions....plugs and wires...?
  175. General Questoin
  176. Overheating --- Still!!!!!!!!
  177. What are these trouble codes? Help!
  178. AAARRRGHHH...Where's the #$@#) switch?!?!
  179. Help! Dealer wants $$ for recall fuel rail!
  180. Very Long, EBTCM
  181. Northstar Maintenance -Tune Up
  182. K&N filters
  183. Check engine soon ! Why ?
  184. Waterpump reliability
  185. No one can figure it out!!! Help!!!
  186. In need of expertise
  187. SC44 and SC55
  188. why are the northstar engines always catching on fire?
  189. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  190. 4.9L NorthStar Performance Upgrades???
  191. Need new/rebuilt '96 Seville engine
  192. 100K warranty
  193. Noise from PS pump.
  194. Wanted!! '00+ rear tranny mount
  195. PO 441 error
  196. Help!!
  197. Rubber gone in the top motor mounts
  198. Stop Engine Low oil pressure
  199. Help with fixing a broken shift solenoid
  200. Tranny detent cable question
  201. po29????
  202. '96 STS Engine Stalling - Possible Electrical Problem?
  203. It's time to tear into her!!
  204. Codes PC0300, PC1139, PZ2719
  205. Crack my Block!!!!!!
  206. "Y" code vs. "9" Code
  207. Northstar 97 sls was hard 2 start--now no start
  208. 1997 Seville STS - Oil Leak Problems?
  209. 130k gaskets vs. 88k transplant
  210. Unlimited funds....almost
  211. Service Emissions System
  212. air plenum and coolant...
  213. error codes p0113 &503
  214. Computer codes and more help wanted
  215. coolant and A/C fans broken blades & mounting arms
  216. 1996 Sedan Deville Knock Sensor
  217. Newbie needs help
  218. frozen serpentine belt tensioner
  219. New Northstar, Unleaded or Premium?
  220. Want to buy northstar coils...
  221. Northstar indicates overheat
  222. BBOB - North* Oil Usage Comment
  223. Bad Cylinder?? Low compression?? Need help.
  224. Steam Engine, Now What?
  225. Zero Oil Pressure!! HELP!!
  226. INtake Manifold
  227. N*, Gas drowning my cylinder, getting smoke
  228. 2 Trans oil purge questions...or more?
  229. Erratic Throttle
  230. Strange Readings 1994 Deville Concourse N*
  231. What would a gas coating on a plug mean?
  232. BBOB - thermostat?
  233. Steam from Tail Pipe?
  234. exhaust questions
  235. water pump tool
  236. Cluster Question - Low Oil Pressure
  237. Limp home mode?
  238. Flowmasters?
  239. Flexplate to Torque converter - loctite??
  240. "Check Oil Level" message question
  241. hole in aluminum Radiator - help wanted
  242. Help Eldo Completely Dead But Batt.has Voltage
  243. Rough Idle...Sluggish Acceleration....
  244. Trouble codes
  245. P0741 - TCC System Stuck Off ???
  246. Clueless N* owners with 4 codes
  247. A P059 code?
  248. Longevity of the N* timing chain nylon tensioner pads ?
  249. What type of Power Steering fluid to use in 93 N* Eldo ?
  250. Limp Home Feature?