: Northstar Engines and System Technical Discussion



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  1. N* feels shuddery
  2. Well, changed the oil....
  3. Starter failure???
  4. GM Remanufactured Transmission...has
  5. Heater core intake line
  6. Stays in open loop (?)
  7. P039 Torque Converter Clutch/Viscous Converter Clutch Engagement Problem
  8. Top End Setting?
  9. Code- P0442
  10. Tune-UP this weekend; questions..
  11. Is this possible ?
  12. P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I
  13. This whole WOT thing....
  14. Fuel Pressure for a 95 STS?
  15. Should I Worry About WOT?
  16. Oil level sensor question?
  17. '97 NorthStar Coolant Temp
  18. 13mpg!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  19. P0139 - Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 2
  20. throttle body cleaning
  21. Recommended fuel pressure + stalling
  22. 2000 ETC MPG Blew My Mind
  23. Installation/Removal of Temperature Sensor
  24. 93 sts
  25. Dropping Drive Train Axles Too?
  26. with the engine now out, what should I replace?
  27. Volant Intake For 2001-2004 4.6L Deville
  28. groan/rattling noise
  29. 1998 surging when accelerating
  30. Keeping a '97 NS running well
  31. 94 STS Help! Cooling Fans Inop
  32. prolonged cranking 1996 eldo
  33. stan_tampabay
  34. Long crank startups
  35. 2000 deville code hlep
  36. bad coolant temp sensor?
  37. www.steelseal.com
  38. 1994 Eldorado sometimes misfiring. Water in the Fuel?
  39. Ranger....Coolant Question
  40. Northstar Coolant Questions
  41. Replaced the MAP sensor
  42. Code problem, please help!!!
  43. Peformance of 2005 Cadillac Deville w/ Northstar
  44. HELP...car wont start
  45. Possible benefit from a grounding kit?
  46. Annoying Problem
  47. Northstar swap into a Buick Reatta
  48. Which side is the inj. harness on?
  49. 2000 n* into 1996
  50. Tensioner question
  51. 98 DeVille -Torque Trouble
  52. 93 Northstar Allante TPS Issues
  53. Oil light?
  54. 97 STS, low compression in all left bank cyls
  55. Help I027 SES Code came up After a W.O.T
  56. Starter revelation, ....for me anyhow!
  57. Fuel Pump and Erratic idle
  58. Is this a good price for a used N*?
  59. finding an alternative to timeserts
  60. need time sert kit for head gasket repair
  61. Oil filter?!?
  62. 96 DeVille losing coolant
  63. Prevention of Headgasket Trouble?
  64. How much could I get for it all? (N* project)
  65. Anybody have a 300hp northstar and a scan tool?
  66. Severe stumble
  67. last thing holding my cylinder head on... help!
  68. help with some codes
  69. W.o.t.
  70. flickering oil light
  71. Northstar repair
  72. exhaust question
  73. Coolant Problem Eatin My Money!!!!
  74. Tune UP
  75. W. O. T!
  76. Help!!! How do I remove the belt out of a 1999 Seville STS N* engine???
  77. Water Pump Confusion
  78. update - starting
  79. TPS values (PD01 PCM Data output)
  80. 94 SLS Smoked/Smelled and now Won't Start
  81. The Case Of The Dissapearing Oil?
  82. How To Pull Codes (DTC's)
  83. 98 DeVille starting trouble. Help!
  84. Double Flush?
  85. 2000 sls high idle
  86. 1998 Deville Tune-Up confusion
  87. 98 n* head bolts/inserts
  88. 97 Etc Engine Exchange...please Help
  89. 95 ETC Overheating Sometimes??
  90. 97 northstar still overheating
  91. People with stalling problems may want to look at this!!!
  92. NOOB needs some help!!... northstar blown!!!
  93. Loud snapping sound during startup/shutdown
  94. Question on maintanance
  95. Dex-Cool no longer made?
  96. Prestone Super Radiator Flush
  97. Popular choice for spark plugs in my 99 STS???
  98. removing the crank pulley
  99. Post Explosion Roughness
  100. Adjusting Tming (94 concours)
  101. 94 sls whats causing a high idle?!
  102. symtoms of bad wtr pump, 97 concours
  103. EGR valve location
  104. Bottom end/block from another engine?
  105. spark plug wires?
  106. Too Much Spent, Same Problem
  107. 1993 Exploding Intake Plenum
  108. STS Mufflers
  109. Why does dirty TB cause crazy idle?
  110. O2 Sensor
  111. Noisy engine
  112. 100000 mile maintenance
  113. Crank sensors
  114. Pictures of relocated PCM
  115. Reverse (ing) ...
  116. ??Smoking 96DeVille??
  117. head bolt torque settings
  118. Quick Oil Change Question....
  119. 01 STS stalls when stoped at light!
  120. getting the O2 sensor changed
  121. Fram Sure Drain
  122. Engine noise
  123. Piggyback computer is installed
  124. 98 Head Gasket Job
  125. 1993 Northstar
  126. 1998 Northstar For Sell
  127. 2002 DTS Spark Plugs
  128. Time serts pulling out of block
  129. 94 running hot!?????
  130. Tricky
  131. Old Fuel Rail Vs. New Fuel Rail
  132. Oil Leaks
  133. Found used NS, need advice.....
  134. Anyone else's N* tick at idle?
  135. Fuel Pressure Regulator and hot start problems
  136. HiPo Northstars in the house?
  137. Deville 96 Coolant leaking ...
  138. 1993 STS Rough Idle
  139. Oil pan bolt torque
  140. 96 Deville Northstar, No Oil Pressure out of the blue.
  141. So K&N air filter is no good?
  142. 93 Eldorado
  143. 98 deville hard starting
  144. check transmission message
  145. 99 deville/Northstar
  146. Opinions Needed
  147. Coolant supplement tabs not added at coolant change. Now what???
  148. 55.6 mpg
  149. 89in-lb? Seriously?
  150. transmission oil loss
  151. lean fuel mixture
  152. Has anybody bothered to check their Calculated Octane Rating on their OBDI Northstar?
  153. 98 STS airbox mod?
  154. cable acting up, white smoke 94 sls
  155. Trans Fluid Change Question
  156. Can anyone tell me if I have a bad head gasket
  157. Regular vs Premium Gas
  158. Po39
  159. My cheap-ass tune up
  160. head gasket and engine in-vehicle possible?
  161. 95 seville starter help!! plz look
  162. Possible Idling Problem?
  163. lifting out the '94 northstar.. please take a look
  164. My Nitrous project is under way...
  165. trans. leak
  166. c
  167. Coolant leak 98 DeVille and desparate
  168. Coolant leak and desparate
  169. Spark Plugs
  170. How about Eldo Performance Mods?
  171. new radiator, now engine overheats
  172. new radiator, now engine overheats
  173. Parts lookup by GM part #?? is it possible?
  174. Flushing 4T80E....how many quarts of fluid?
  175. changing PCValve on 94 eldorado
  176. Error code P035
  177. pull engine from the top in sections ?
  178. Sharp right turn=Puff of blue smoke!
  179. inside radiator leak/transmission leak?
  180. 93 Eldorado 4.6 Northstar "chuggle"
  181. high trans line pressure
  182. Firing order
  183. Northstar question!
  184. Can we get a moment of silence...
  185. air filter in a 1999 Deville
  186. So far I'm not thrilled
  187. Misfire and coils
  188. OBD2 Code RSM0038???
  189. Missfire - NEED HELP
  190. P036 & P056?
  191. Service Engine Soon? No apparent problems
  192. Replaced plug wires and plugs still misfire code
  193. I want more power out of my Northstar
  194. Is there any update on a head gasket sealer that works?
  195. What happened?
  196. Infinitely better than the 'turbonoter'!
  197. Headgasket change ????
  198. Motor Noise
  199. best oil for the 96 northstar 133000 miles
  200. northstar oil leak issues
  201. Where can I cash in a blown PCM core?
  202. hole in the block!!!!!!!!!!
  203. Intake Manifold removal
  204. 96 Edlo Cranks will not start
  205. Lower temp stat & fan sensor?
  206. 93 Allante Northstar oil leak
  207. Guide to replace water pump...
  208. Surge tank
  209. Dex Cool
  210. My crank pulley is wobbling...
  211. Throttle Body Question...
  212. oil pressure light
  213. General Northstar info needed
  214. overheating
  215. bad smell and smoke
  216. How do i clean the heads on my aluminum block?
  217. Dex-cool controversy
  218. what year engine is this!
  219. gasket
  220. NEW (used) Cadillac Owner Deville Northstar 32V
  221. Overheating '99 D'Elegance, need to sell....
  222. headgasket blown?
  223. 1996 cadillac deville for sale
  224. Shift solonoid ?, not like in thread below
  225. 97 eldorado etc with a stumble
  226. do I need two sets of timeserts?
  227. Trouble starting once engine is warm
  228. coolant level
  229. Ok computer genius!! I need you help please
  230. removing northstar engine AC COMPRESSOR question
  231. Intermittant detonation
  232. n*Headgasket Diag. the Hardway
  233. Using 1st, 2nd, 3rd gears in 99' STS
  234. Northstar 1993 Explosion - Urgent Need
  235. having a starting problem on my 94 sls
  236. '95 Northstar into a '94?
  237. NorthStar reliability?
  238. Leaking Coolant, where is it coming from?
  239. Removing the front valve cover on 98 N*???
  240. Low battery voltage causing hard starts ?
  241. new server with past informative posts
  242. Oil Leak Question
  243. service.gm.com username/password
  244. Slipping out of overdrive and P094 code
  245. will 99 n* spark plug wires fit 97 n* ???
  246. Update on my 99' Eldo issues.. and thanks
  247. 97 DeVille Concours low oil pressure stop engine???
  248. sensor names?!?!?!
  249. Cost of rebuilding transmission?
  250. 99 STS Engine Temp Sensor problem