: Northstar Engines and System Technical Discussion



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  1. too hot and too cold
  2. Does anybody here have full access to TSB info at alldata?
  3. Overheat SOLVED ! Thank You Ranger & Others
  4. '95 Northstar 4.6 oil leak
  5. Northstar Blower Motor For Sale
  6. 96 Deville running hot
  7. 97 deville stalling, no codes
  8. Changing Spark Plugs- '99 STS
  9. 94 sls overheating,maybe...
  10. I see a lot of posts on supercharging a Northstar
  11. How to get more torque, 03-DTS
  12. Replace or fix
  13. Typical NOOB questions...
  14. Northstar intake manifold
  15. Northstar intake manifold
  16. hey zonie or ranger,
  17. Losing Coolant & Radiator Leakage
  18. ac delco plugs..<-1999 and 2000-> years, whats the difference?
  19. Delco VS Bosch Plug Wires
  20. Oil "Blow By"
  21. Coming 6 speed automatic
  22. WOT - is this the ONLY way to remove carbon buildup?
  23. New source for 80mm throttle bodies!
  24. Is It A Head Gasket???
  25. Jasper Engines
  26. Confused about spark plug type
  27. Surge Tank Design
  28. Stranded out of town!!!
  29. Speed limiter
  30. cams in a northstar
  31. acceleration troubles...
  32. Coolant crossover photos
  33. P0300 Vote!
  34. the best oil for the northstar engine
  35. No Start Please I Need Help!!
  36. 3 questions regarding the timesert job
  37. fuel air mixture
  38. Replacing O2s
  39. P056
  40. Northstar V. 4.9
  41. 97 northstar engine miss
  42. Engine oil leak
  43. IN Trouble Now losing coolant
  44. ice possible message...?
  45. 96 deville oil leak
  46. Replacing a Northstar with a LS1
  47. i cant stand this stalling, why does this happen?
  48. 94STS Blown Gasket Pics
  49. 96 deville
  50. all my problems help!!!!
  51. adding a fuel treatment
  52. Is it normal for...
  53. Surging at low revs and hard shift into 2nd
  54. couple of problems, only one code- AMP B1024
  55. You want DYNO graphs?
  56. 98' Deville Waterpump
  57. The best northstar engine?
  58. How can I avoid head gasket damage?
  59. 93 Northstar Stalls with no codes
  60. '92 Seville radio question
  61. "Clunk" noise at startup? Trans Problem? Help!!
  62. fuel treatment
  63. Code P0101
  64. P023 code on 95 Eldorado
  65. 93 Eldo intermittent no spark,no start
  66. Motor change
  67. Injector malfunction Help!!!!
  68. Mod questions for a 2000 DeVille
  69. Sounds like a bird chirping
  70. 97 deville hesiatation!!!!!
  71. '96 STS OverHeating
  72. Head Gasket on 99 STS
  73. Pcv
  74. 02 DTS, Crank Sensor and Gas Mileage question, HELP!
  75. New solenoid valve kit if anyone wants it
  76. Northstar barely running
  77. Curious about performance mods...
  78. please idlee problemss help!
  79. Self scanning OBD while driving
  80. WOT advice for new member
  81. N* 1994 compatible with 1995????
  82. Coolant level? '97 Deville
  83. p1860 and p0741 repair help
  84. White Exhaust
  85. I have a code that's not on my list of codes. (P069)
  86. IAT sensor
  87. it ran so good in the past
  88. Leak Back Pressure Incorrect
  89. Code P1406 - EGR Valve Pintle Position Circuit
  90. HELP Rear Exhaust Flange Bolt Removal
  91. 02 STS simple things to help performance
  92. Groaning sound.....waterpump?
  93. Installing TPS right now.....
  94. help changed engine
  95. Throttle Body Service...is it worth$$?
  96. Throttle Body Cleaning, worth the hassel?
  97. Coolant Drain Plugs On the N*
  98. codes codes and more codes
  99. service.gm.com password?
  100. years headgaskets go bad?
  101. coolant smell help!
  102. sudden stalling
  103. Dyno results before turbo charging
  104. 4.6 Northstar Parts
  105. Head Gasket Problem!!!
  106. Just had timeserts installed.
  107. oil leak
  108. Loosing Oil and Burning Smell
  109. need info on 1999 cadillac deville engine
  110. Carbon Deposit HELP FAST
  111. ABS Question/New Engine
  112. 3rd or 2nd gear for brake help
  113. O2 sensor
  114. No2 + N* ???
  115. Engine seems to be knocking
  116. No cruise driving me nuts!!!
  117. Throttle body bolt torque specs
  118. Bad Smoke Help Please
  119. Coolant Flushing Pros/Cons?
  120. Hot start...but not the FPR!
  121. failed emissions test
  122. Has anyone had a headgasket leak oil?
  123. Low Oil Pressure Stop Engine !
  124. Carbon Deposit cleaning TEC
  125. Performance Programer 97 ETC??
  126. Ram Air
  127. Surging when cold
  128. N* comp&performance mods
  129. Recall SS and FPR
  130. NS block warp?
  131. 97 Etc Cpu Mods Or Other N* Perfromance
  132. Head gasket leak after
  133. Corrupt Miles.
  134. Anyone dyno their Caddy?
  135. Rough Running 97 DeVille
  136. Northster Squeel/Whistle
  137. Sweet exhaust smell?
  138. supercharging a 4.6L Northstar
  139. engine died in acceleration! wont start.
  140. T/C cut out assembly
  141. N* feels shuddery
  142. Well, changed the oil....
  143. Starter failure???
  144. GM Remanufactured Transmission...has
  145. Heater core intake line
  146. Stays in open loop (?)
  147. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  148. Top End Setting?
  149. Code- P0442
  150. Tune-UP this weekend; questions..
  151. Is this possible ?
  152. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  153. This whole WOT thing....
  154. Fuel Pressure for a 95 STS?
  155. Should I Worry About WOT?
  156. Oil level sensor question?
  157. '97 NorthStar Coolant Temp
  158. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  159. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  160. throttle body cleaning
  161. Recommended fuel pressure + stalling
  162. 2000 ETC MPG Blew My Mind
  163. Installation/Removal of Temperature Sensor
  164. 93 sts
  165. Dropping Drive Train Axles Too?
  166. with the engine now out, what should I replace?
  167. Volant Intake For 2001-2004 4.6L Deville
  168. groan/rattling noise
  169. 1998 surging when accelerating
  170. Keeping a '97 NS running well
  171. 94 STS Help! Cooling Fans Inop
  172. prolonged cranking 1996 eldo
  173. stan_tampabay
  174. Long crank startups
  175. 2000 deville code hlep
  176. bad coolant temp sensor?
  177. www.steelseal.com
  178. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  179. Ranger....Coolant Question
  180. Northstar Coolant Questions
  181. Replaced the MAP sensor
  182. Code problem, please help!!!
  183. Peformance of 2005 Cadillac Deville w/ Northstar
  184. HELP...car wont start
  185. Possible benefit from a grounding kit?
  186. Annoying Problem
  187. Northstar swap into a Buick Reatta
  188. Which side is the inj. harness on?
  189. 2000 n* into 1996
  190. Tensioner question
  191. 98 DeVille -Torque Trouble
  192. 93 Northstar Allante TPS Issues
  193. Oil light?
  194. 97 STS, low compression in all left bank cyls
  195. Help I027 SES Code came up After a W.O.T
  196. Starter revelation, ....for me anyhow!
  197. Fuel Pump and Erratic idle
  198. Is this a good price for a used N*?
  199. finding an alternative to timeserts
  200. need time sert kit for head gasket repair
  201. Oil filter?!?
  202. 96 DeVille losing coolant
  203. Prevention of Headgasket Trouble?
  204. How much could I get for it all? (N* project)
  205. Anybody have a 300hp northstar and a scan tool?
  206. Severe stumble
  207. last thing holding my cylinder head on... help!
  208. help with some codes
  209. W.o.t.
  210. flickering oil light
  211. Northstar repair
  212. exhaust question
  213. Coolant Problem Eatin My Money!!!!
  214. Tune UP
  215. W. O. T!
  216. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  217. Water Pump Confusion
  218. update - starting
  219. TPS values (PD01 PCM Data output)
  220. 94 SLS Smoked/Smelled and now Won't Start
  221. The Case Of The Dissapearing Oil?
  222. How To Pull Codes (DTC's)
  223. 98 DeVille starting trouble. Help!
  224. Double Flush?
  225. 2000 sls high idle
  226. 1998 Deville Tune-Up confusion
  227. 98 n* head bolts/inserts
  228. 97 Etc Engine Exchange...please Help
  229. 95 ETC Overheating Sometimes??
  230. 97 northstar still overheating
  231. People with stalling problems may want to look at this!!!
  232. NOOB needs some help!!... northstar blown!!!
  233. Loud snapping sound during startup/shutdown
  234. Question on maintanance
  235. Dex-Cool no longer made?
  236. Prestone Super Radiator Flush
  237. Popular choice for spark plugs in my 99 STS???
  238. removing the crank pulley
  239. Post Explosion Roughness
  240. Adjusting Tming (94 concours)
  241. 94 sls whats causing a high idle?!
  242. symtoms of bad wtr pump, 97 concours
  243. EGR valve location
  244. Bottom end/block from another engine?
  245. spark plug wires?
  246. Too Much Spent, Same Problem
  247. 1993 Exploding Intake Plenum
  248. STS Mufflers
  249. Why does dirty TB cause crazy idle?
  250. O2 Sensor