: Northstar Engines and System Technical Discussion



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  1. Is your N* running bad, hesitating, missing??
  2. Head gasket replacement
  3. Can DIC messages be cleared for good??
  4. Code I039??
  5. blown head gasket
  6. Strange rhythmic vibration 2000 DTS
  7. Electronic Speedometer Display
  8. Blue Devil Engine & Cooling system Sealer!?
  9. Major problems at 80K miles. Is this normal?
  10. Buzzing and ringing...
  11. Performance mod
  12. "flapper door" replacement?
  13. OBDII Programmers
  14. Limp Home what is it??
  15. 99 N doesnt come with factory strut tower bar?
  16. Before And After....(Mufflers)
  17. witch fuse?
  18. Coolant Change 98 Deville
  19. 96 Sedan Deville-Where is the thermostat located
  20. Engine Codes PC0300 & RF2560
  21. Hotrod with the N*
  22. Engine Swap Info
  23. chugging N*
  24. OK, tired of Headgasket worry...
  25. 96 SLS burning oil like it's gas
  26. Remove the water pump pulley
  27. Tool to remove the water pump pulley
  28. 95 Deville Oil Presure
  29. engine died
  30. Tune Up Time!
  31. 97eldo Need Help
  32. missing bolts on side of oilpan and A-frame...
  33. Torque strut removal and "engine tilt"
  34. Thread inserts?
  35. Can you use 10W-40 in a Northstar
  36. Are AC/Delco parts available only at the dealer?
  37. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  38. How do you properly use pellets? Northstar
  39. Engine seems to misfire a bit when it's cold or damp out
  40. coolant coming out of overflow hose like faucet '97 Eldo
  41. SES Misfiring DTC P0300 My hunch is.....
  42. Oil cooler line leak, 4.6 N*
  43. Tightening time saver and accuracy improved with simple trick
  44. It Happened,the dreaded overheat!
  45. Oil pump - what is the grove and the port for
  46. Any performance parts for the N*?
  47. Intermediate timeing chain shaft - O ring?
  48. 98 Eldo N* 4.6 Overheating
  49. ZEX ordered....
  50. Latest head bolt tightening spec?
  51. Corsa scrwwed me over!
  52. Help with emissions system
  53. Supercharged Northstar
  54. Bbob?? Could you look at this Link?
  55. My water pump belt is dancing around...
  56. Belt Tensioner Condition - Bboby?
  57. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  58. '98 deville idle
  59. intake kit
  60. WOT advice
  61. SeaFoam Opinions...
  62. GXP-ify my sts?
  63. caprice vs Seville sts
  64. water pump/thermostat crossover housing leaking again
  65. Oil in spark plug chamber, How Bad Is This?
  66. Bizarre Coolant- A/C problem 98 Deville!!!
  67. Anybody got a stock calpack?
  68. Question about climate control.
  69. Remanufactured Northstar Engine
  70. 98 eldo jerking while stopped
  71. Dex Cool.....What going on?
  72. Compression test results 98 Seville
  73. Failed emissions test
  74. just bought 97 eldo std.
  75. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  76. Low Coolant Level
  77. Alternative to Platinum Plugs?
  78. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  79. Northstar oilpan
  80. 95 deville blown head gasket
  81. 3 qts oil in 3000 miles?
  82. 5% discount on parts!
  83. Things I should do when changing engines
  84. egr bench test / disassembly ?
  85. '98 cam to waterpump belt
  86. direct flow air filter intake
  87. belt
  88. Transmission Problem Not Sure Need Help Bad!!!!!!!
  89. Dex Cool is eating the gaskets?!!!
  90. 2003 SLS ECM code: DTC "P0300
  91. Cleaning fuel injectors
  92. Oversize pistons? Undersize bearings?
  93. HeadGasket
  94. oil smoke -- any suggestions?
  95. New to North stars
  96. AC 41-900 Replaced with the 41-950 plug
  97. Long Crankin
  98. egr valve test?
  99. AC Compressor changeout - success -
  100. Oil Question
  101. Question about the EGR valve
  102. My oil drain plug magnet is missing
  103. Code P1350
  104. aftermarket catalytic converter
  105. 93 STS starting problem
  106. N*--Built by ISUZU????
  107. Few STS questions..engine, suspension??
  108. Average Cost to replace Tranny on N*?
  109. Buying the Juice....
  110. Oil Residue/grease on section of Air filter on 96 N* Why?
  111. Oil level sensor (check oil level)
  112. loud noise in valve cover ?
  113. not licking to stop and slight oil leak
  114. Cracked oil pan...
  115. Magnaflow Hi Flow Cats
  116. Main Acc Drivebelt - Whine & Grind Noises
  117. a few questions i have.
  118. ZDP Right ? Bad ?
  119. Crossover changed, now smoking anit-freeze?
  120. P036 Since changing crossover
  121. Boggy Accel
  122. references for understanding the N*?
  123. Vapor lock
  124. Torque Sequence and Lbs for NStar Heads BBob??
  125. Water Pump Housing
  126. Best High-flow cat
  127. the Northstar and cams???
  128. motor swap 94 to 97 Relocation of air sensor
  129. Quick Question
  130. Probly Not a New Question - Oil Pan Leak
  131. starting problem
  132. Idle surging
  133. Northstar Help
  134. Crank Position Sensor Symptoms and Replacement
  135. Water Pump ?
  136. RWD Northstar? Gofast Parts?
  137. My Idea!!!!!!
  138. Main thread pulled out
  139. Tranny trouble again.
  140. 00 DTS - Starting issue
  141. Timesert or not?
  142. 2000 N* into a '96 DeVille?
  143. Run mid-grade every other tank?
  144. P0741 & P1860
  145. How warm do I warm my car up?
  146. Exhaust manifolds: removed with engine in place?
  147. Burning Coolant
  148. Performance questions!!!!
  149. Regular fuel change ecm program
  150. TCS C1233 and ignition problem? 97 SLS
  151. Remote mirror removal & repair questions
  152. Where is my gas filter? 97 STS
  153. Oil Burning Eldo, 1997 Etc..
  154. Northstar Intermittent misfire-Pulling hair out!!
  155. 96 concours code help!!
  156. Performance chips...scam?
  157. Some unanswered throttle body cleaning questions
  158. 1996 sts - "NO IRC DATA"
  159. 1996 DeVille won't start
  160. EGR valve removal.. need a bit of help
  161. lift
  162. Bbob - a leason on sealers, please!
  163. Need Options...coolant blowing out...
  164. Code P0335 on 2001 STS
  165. benlomand
  166. Possible Main Bearing Knock....what to do?
  167. ***********
  168. compression check out of car
  169. n* check coolant level on 97 deville
  170. BBob need help
  171. Air intake "twister"?
  172. smell coolant? check freezeplugs
  173. Help with PC0174 code
  174. rss c1769 code.. help !
  175. NorthStar Reputation..
  176. RTD means??
  177. 1996 SLS Won't Disengage Parking brake when put into gear?
  178. LD8 L37 comparison...which is really quicker?
  179. N* coolant problem
  180. Does A Northstar Have Mds?
  181. thanks to bbob, ranger, etc.
  182. What's up with the new "Universal" coolant? (Bbob?)
  183. I'm being ROBBED! (of hp)
  184. using non-GM spark plug wires?
  185. How many have blown Northstars
  186. Water Pump Replacement
  187. CD-ROM Service Manuals
  188. HELP: BPTB, AC compressor
  189. Replaced A And B Shift Still Actin Funny
  190. p094 code - where is the soleniod located?
  191. service vehicle soon !!!!!!
  192. Help with removing Northstar coolant crossover
  193. error code
  194. supercharger??
  195. OK, who else needs a timesert kit????
  196. Can the Northstar be rebuilt?
  197. Using oil....but where?
  198. VIN Code "9"
  199. Head gasket and mileage...
  200. 96 Eldorado trouble code PC 0420...
  201. My First problem with my 2001 DTS if anyone can help?
  202. 97 deville cooling system
  203. air bag
  204. Dead #1 - Stumped & DisCUSSeded!
  205. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  206. Northstar Head Gasket.. What Parts Needed???
  207. 94 concours rough idle when hot
  208. Where does a coolant change go into?
  209. Oil Pump - how to inspect and test out of engine
  210. Possible for Trans. Solenoids not to show a code?
  211. Code AC1348 on 1996 seville SlS what does it mean?
  212. AAA Extended Warranty
  213. Technical Service Bulletins
  214. 94 concours, test your knowledge
  215. My car Quacks
  216. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  217. s/s fuel rail removal to get to EGR...
  218. Transmission codes
  219. Which pistons can and should I use
  220. Fastest NORTHSTAR
  221. changing out serpentine tensioner
  222. Service engine soon light-94 concours
  223. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  224. Motor Oil Choice
  225. Finding coolant leak...need help
  226. Oil Under Intake 94 Northstar
  227. Engine Coolant Temperature 190-201 F
  228. Engine misfire/stall codes
  229. How do I clear codes?
  230. '95 SLS high idling temperature
  231. Right Milage?
  232. Removing the dowels
  233. What is normal engine temp for the northstar?
  234. What mods is available for my 94 SLS ???
  235. Is There a Bar’s Leak pellet usage limit???
  236. oil pressure low...engine getting hotter
  237. Replacing Belt Idler & belt - HELP!
  238. Head bolts & time-serts?
  239. Fuel filter R&r
  240. 98 SLS Overheating in minutes
  241. 96 deville fuel pressure regulator?
  242. blower motor control issues
  243. '96 Deville SES light on and hard to start
  244. Where can i find a supercharger
  245. Northstar Engine assembly - instructions
  246. 4T80E down shifting RPM 4000
  247. coolant leak
  248. Low Oil Pressure???
  249. Bar's Leaks "Head Gasket Repair"
  250. 96 Deville No Start condition, help