: Northstar Engines and System Technical Discussion



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  1. HELP Rear Exhaust Flange Bolt Removal
  2. 02 STS simple things to help performance
  3. Groaning sound.....waterpump?
  4. Installing TPS right now.....
  5. help changed engine
  6. Throttle Body Service...is it worth$$?
  7. Throttle Body Cleaning, worth the hassel?
  8. Coolant Drain Plugs On the N*
  9. codes codes and more codes
  10. service.gm.com password?
  11. years headgaskets go bad?
  12. coolant smell help!
  13. sudden stalling
  14. Dyno results before turbo charging
  15. 4.6 Northstar Parts
  16. Head Gasket Problem!!!
  17. Just had timeserts installed.
  18. oil leak
  19. Loosing Oil and Burning Smell
  20. need info on 1999 cadillac deville engine
  21. Carbon Deposit HELP FAST
  22. ABS Question/New Engine
  23. 3rd or 2nd gear for brake help
  24. O2 sensor
  25. No2 + N* ???
  26. Engine seems to be knocking
  27. No cruise driving me nuts!!!
  28. Throttle body bolt torque specs
  29. Bad Smoke Help Please
  30. Coolant Flushing Pros/Cons?
  31. Hot start...but not the FPR!
  32. failed emissions test
  33. Has anyone had a headgasket leak oil?
  34. Low Oil Pressure Stop Engine !
  35. Carbon Deposit cleaning TEC
  36. Performance Programer 97 ETC??
  37. Ram Air
  38. Surging when cold
  39. N* comp&performance mods
  40. Recall SS and FPR
  41. NS block warp?
  42. 97 Etc Cpu Mods Or Other N* Perfromance
  43. Head gasket leak after
  44. Corrupt Miles.
  45. Anyone dyno their Caddy?
  46. Rough Running 97 DeVille
  47. Northster Squeel/Whistle
  48. Sweet exhaust smell?
  49. supercharging a 4.6L Northstar
  50. engine died in acceleration! wont start.
  51. T/C cut out assembly
  52. N* feels shuddery
  53. Well, changed the oil....
  54. Starter failure???
  55. GM Remanufactured Transmission...has
  56. Heater core intake line
  57. Stays in open loop (?)
  58. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  59. Top End Setting?
  60. Code- P0442
  61. Tune-UP this weekend; questions..
  62. Is this possible ?
  63. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  64. This whole WOT thing....
  65. Fuel Pressure for a 95 STS?
  66. Should I Worry About WOT?
  67. Oil level sensor question?
  68. '97 NorthStar Coolant Temp
  69. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  70. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  71. throttle body cleaning
  72. Recommended fuel pressure + stalling
  73. 2000 ETC MPG Blew My Mind
  74. Installation/Removal of Temperature Sensor
  75. 93 sts
  76. Dropping Drive Train Axles Too?
  77. with the engine now out, what should I replace?
  78. Volant Intake For 2001-2004 4.6L Deville
  79. groan/rattling noise
  80. 1998 surging when accelerating
  81. Keeping a '97 NS running well
  82. 94 STS Help! Cooling Fans Inop
  83. prolonged cranking 1996 eldo
  84. stan_tampabay
  85. Long crank startups
  86. 2000 deville code hlep
  87. bad coolant temp sensor?
  88. www.steelseal.com
  89. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  90. Ranger....Coolant Question
  91. Northstar Coolant Questions
  92. Replaced the MAP sensor
  93. Code problem, please help!!!
  94. Peformance of 2005 Cadillac Deville w/ Northstar
  95. HELP...car wont start
  96. Possible benefit from a grounding kit?
  97. Annoying Problem
  98. Northstar swap into a Buick Reatta
  99. Which side is the inj. harness on?
  100. 2000 n* into 1996
  101. Tensioner question
  102. 98 DeVille -Torque Trouble
  103. 93 Northstar Allante TPS Issues
  104. Oil light?
  105. 97 STS, low compression in all left bank cyls
  106. Help I027 SES Code came up After a W.O.T
  107. Starter revelation, ....for me anyhow!
  108. Fuel Pump and Erratic idle
  109. Is this a good price for a used N*?
  110. finding an alternative to timeserts
  111. need time sert kit for head gasket repair
  112. Oil filter?!?
  113. 96 DeVille losing coolant
  114. Prevention of Headgasket Trouble?
  115. How much could I get for it all? (N* project)
  116. Anybody have a 300hp northstar and a scan tool?
  117. Severe stumble
  118. last thing holding my cylinder head on... help!
  119. help with some codes
  120. W.o.t.
  121. flickering oil light
  122. Northstar repair
  123. exhaust question
  124. Coolant Problem Eatin My Money!!!!
  125. Tune UP
  126. W. O. T!
  127. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  128. Water Pump Confusion
  129. update - starting
  130. TPS values (PD01 PCM Data output)
  131. 94 SLS Smoked/Smelled and now Won't Start
  132. The Case Of The Dissapearing Oil?
  133. How To Pull Codes (DTC's)
  134. 98 DeVille starting trouble. Help!
  135. Double Flush?
  136. 2000 sls high idle
  137. 1998 Deville Tune-Up confusion
  138. 98 n* head bolts/inserts
  139. 97 Etc Engine Exchange...please Help
  140. 95 ETC Overheating Sometimes??
  141. 97 northstar still overheating
  142. People with stalling problems may want to look at this!!!
  143. NOOB needs some help!!... northstar blown!!!
  144. Loud snapping sound during startup/shutdown
  145. Question on maintanance
  146. Dex-Cool no longer made?
  147. Prestone Super Radiator Flush
  148. Popular choice for spark plugs in my 99 STS???
  149. removing the crank pulley
  150. Post Explosion Roughness
  151. Adjusting Tming (94 concours)
  152. 94 sls whats causing a high idle?!
  153. symtoms of bad wtr pump, 97 concours
  154. EGR valve location
  155. Bottom end/block from another engine?
  156. spark plug wires?
  157. Too Much Spent, Same Problem
  158. 1993 Exploding Intake Plenum
  159. STS Mufflers
  160. Why does dirty TB cause crazy idle?
  161. O2 Sensor
  162. Noisy engine
  163. 100000 mile maintenance
  164. Crank sensors
  165. Pictures of relocated PCM
  166. Reverse (ing) ...
  167. ??Smoking 96DeVille??
  168. head bolt torque settings
  169. Quick Oil Change Question....
  170. 01 STS stalls when stoped at light!
  171. getting the O2 sensor changed
  172. Fram Sure Drain
  173. Engine noise
  174. Piggyback computer is installed
  175. 98 Head Gasket Job
  176. 1993 Northstar
  177. 1998 Northstar For Sell
  178. 2002 DTS Spark Plugs
  179. Time serts pulling out of block
  180. 94 running hot!?????
  181. Tricky
  182. Old Fuel Rail Vs. New Fuel Rail
  183. Oil Leaks
  184. Found used NS, need advice.....
  185. Anyone else's N* tick at idle?
  186. Fuel Pressure Regulator and hot start problems
  187. HiPo Northstars in the house?
  188. Deville 96 Coolant leaking ...
  189. 1993 STS Rough Idle
  190. Oil pan bolt torque
  191. 96 Deville Northstar, No Oil Pressure out of the blue.
  192. So K&N air filter is no good?
  193. 93 Eldorado
  194. 98 deville hard starting
  195. check transmission message
  196. 99 deville/Northstar
  197. Opinions Needed
  198. Coolant supplement tabs not added at coolant change. Now what???
  199. 55.6 mpg
  200. 89in-lb? Seriously?
  201. transmission oil loss
  202. lean fuel mixture
  203. Has anybody bothered to check their Calculated Octane Rating on their OBDI Northstar?
  204. 98 STS airbox mod?
  205. cable acting up, white smoke 94 sls
  206. Trans Fluid Change Question
  207. Can anyone tell me if I have a bad head gasket
  208. Regular vs Premium Gas
  209. Po39
  210. My cheap-ass tune up
  211. head gasket and engine in-vehicle possible?
  212. 95 seville starter help!! plz look
  213. Possible Idling Problem?
  214. lifting out the '94 northstar.. please take a look
  215. My Nitrous project is under way...
  216. trans. leak
  217. c
  218. Coolant leak 98 DeVille and desparate
  219. Coolant leak and desparate
  220. Spark Plugs
  221. How about Eldo Performance Mods?
  222. new radiator, now engine overheats
  223. new radiator, now engine overheats
  224. Parts lookup by GM part #?? is it possible?
  225. Flushing 4T80E....how many quarts of fluid?
  226. changing PCValve on 94 eldorado
  227. Error code P035
  228. pull engine from the top in sections ?
  229. Sharp right turn=Puff of blue smoke!
  230. inside radiator leak/transmission leak?
  231. 93 Eldorado 4.6 Northstar "chuggle"
  232. high trans line pressure
  233. Firing order
  234. Northstar question!
  235. Can we get a moment of silence...
  236. air filter in a 1999 Deville
  237. So far I'm not thrilled
  238. Misfire and coils
  239. OBD2 Code RSM0038???
  240. Missfire - NEED HELP
  241. P036 & P056?
  242. Service Engine Soon? No apparent problems
  243. Replaced plug wires and plugs still misfire code
  244. I want more power out of my Northstar
  245. Is there any update on a head gasket sealer that works?
  246. What happened?
  247. Infinitely better than the 'turbonoter'!
  248. Headgasket change ????
  249. Motor Noise
  250. best oil for the 96 northstar 133000 miles