: Northstar Engines and System Technical Discussion



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  1. SES Misfiring DTC P0300 My hunch is.....
  2. Oil cooler line leak, 4.6 N*
  3. Tightening time saver and accuracy improved with simple trick
  4. It Happened,the dreaded overheat!
  5. Oil pump - what is the grove and the port for
  6. Any performance parts for the N*?
  7. Intermediate timeing chain shaft - O ring?
  8. 98 Eldo N* 4.6 Overheating
  9. ZEX ordered....
  10. Latest head bolt tightening spec?
  11. Corsa scrwwed me over!
  12. Help with emissions system
  13. Supercharged Northstar
  14. Bbob?? Could you look at this Link?
  15. My water pump belt is dancing around...
  16. Belt Tensioner Condition - Bboby?
  17. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  18. '98 deville idle
  19. intake kit
  20. WOT advice
  21. SeaFoam Opinions...
  22. GXP-ify my sts?
  23. caprice vs Seville sts
  24. water pump/thermostat crossover housing leaking again
  25. Oil in spark plug chamber, How Bad Is This?
  26. Bizarre Coolant- A/C problem 98 Deville!!!
  27. Anybody got a stock calpack?
  28. Question about climate control.
  29. Remanufactured Northstar Engine
  30. 98 eldo jerking while stopped
  31. Dex Cool.....What going on?
  32. Compression test results 98 Seville
  33. Failed emissions test
  34. just bought 97 eldo std.
  35. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  36. Low Coolant Level
  37. Alternative to Platinum Plugs?
  38. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  39. Northstar oilpan
  40. 95 deville blown head gasket
  41. 3 qts oil in 3000 miles?
  42. 5% discount on parts!
  43. Things I should do when changing engines
  44. egr bench test / disassembly ?
  45. '98 cam to waterpump belt
  46. direct flow air filter intake
  47. belt
  48. Transmission Problem Not Sure Need Help Bad!!!!!!!
  49. Dex Cool is eating the gaskets?!!!
  50. 2003 SLS ECM code: DTC "P0300
  51. Cleaning fuel injectors
  52. Oversize pistons? Undersize bearings?
  53. HeadGasket
  54. oil smoke -- any suggestions?
  55. New to North stars
  56. AC 41-900 Replaced with the 41-950 plug
  57. Long Crankin
  58. egr valve test?
  59. AC Compressor changeout - success -
  60. Oil Question
  61. Question about the EGR valve
  62. My oil drain plug magnet is missing
  63. Code P1350
  64. aftermarket catalytic converter
  65. 93 STS starting problem
  66. N*--Built by ISUZU????
  67. Few STS questions..engine, suspension??
  68. Average Cost to replace Tranny on N*?
  69. Buying the Juice....
  70. Oil Residue/grease on section of Air filter on 96 N* Why?
  71. Oil level sensor (check oil level)
  72. loud noise in valve cover ?
  73. not licking to stop and slight oil leak
  74. Cracked oil pan...
  75. Magnaflow Hi Flow Cats
  76. Main Acc Drivebelt - Whine & Grind Noises
  77. a few questions i have.
  78. ZDP Right ? Bad ?
  79. Crossover changed, now smoking anit-freeze?
  80. P036 Since changing crossover
  81. Boggy Accel
  82. references for understanding the N*?
  83. Vapor lock
  84. Torque Sequence and Lbs for NStar Heads BBob??
  85. Water Pump Housing
  86. Best High-flow cat
  87. the Northstar and cams???
  88. motor swap 94 to 97 Relocation of air sensor
  89. Quick Question
  90. Probly Not a New Question - Oil Pan Leak
  91. starting problem
  92. Idle surging
  93. Northstar Help
  94. Crank Position Sensor Symptoms and Replacement
  95. Water Pump ?
  96. RWD Northstar? Gofast Parts?
  97. My Idea!!!!!!
  98. Main thread pulled out
  99. Tranny trouble again.
  100. 00 DTS - Starting issue
  101. Timesert or not?
  102. 2000 N* into a '96 DeVille?
  103. Run mid-grade every other tank?
  104. P0741 & P1860
  105. How warm do I warm my car up?
  106. Exhaust manifolds: removed with engine in place?
  107. Burning Coolant
  108. Performance questions!!!!
  109. Regular fuel change ecm program
  110. TCS C1233 and ignition problem? 97 SLS
  111. Remote mirror removal & repair questions
  112. Where is my gas filter? 97 STS
  113. Oil Burning Eldo, 1997 Etc..
  114. Northstar Intermittent misfire-Pulling hair out!!
  115. 96 concours code help!!
  116. Performance chips...scam?
  117. Some unanswered throttle body cleaning questions
  118. 1996 sts - "NO IRC DATA"
  119. 1996 DeVille won't start
  120. EGR valve removal.. need a bit of help
  121. lift
  122. Bbob - a leason on sealers, please!
  123. Need Options...coolant blowing out...
  124. Code P0335 on 2001 STS
  125. benlomand
  126. Possible Main Bearing Knock....what to do?
  127. ***********
  128. compression check out of car
  129. n* check coolant level on 97 deville
  130. BBob need help
  131. Air intake "twister"?
  132. smell coolant? check freezeplugs
  133. Help with PC0174 code
  134. rss c1769 code.. help !
  135. NorthStar Reputation..
  136. RTD means??
  137. 1996 SLS Won't Disengage Parking brake when put into gear?
  138. LD8 L37 comparison...which is really quicker?
  139. N* coolant problem
  140. Does A Northstar Have Mds?
  141. thanks to bbob, ranger, etc.
  142. What's up with the new "Universal" coolant? (Bbob?)
  143. I'm being ROBBED! (of hp)
  144. using non-GM spark plug wires?
  145. How many have blown Northstars
  146. Water Pump Replacement
  147. CD-ROM Service Manuals
  148. HELP: BPTB, AC compressor
  149. Replaced A And B Shift Still Actin Funny
  150. p094 code - where is the soleniod located?
  151. service vehicle soon !!!!!!
  152. Help with removing Northstar coolant crossover
  153. error code
  154. supercharger??
  155. OK, who else needs a timesert kit????
  156. Can the Northstar be rebuilt?
  157. Using oil....but where?
  158. VIN Code "9"
  159. Head gasket and mileage...
  160. 96 Eldorado trouble code PC 0420...
  161. My First problem with my 2001 DTS if anyone can help?
  162. 97 deville cooling system
  163. air bag
  164. Dead #1 - Stumped & DisCUSSeded!
  165. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  166. Northstar Head Gasket.. What Parts Needed???
  167. 94 concours rough idle when hot
  168. Where does a coolant change go into?
  169. Oil Pump - how to inspect and test out of engine
  170. Possible for Trans. Solenoids not to show a code?
  171. Code AC1348 on 1996 seville SlS what does it mean?
  172. AAA Extended Warranty
  173. Technical Service Bulletins
  174. 94 concours, test your knowledge
  175. My car Quacks
  176. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  177. s/s fuel rail removal to get to EGR...
  178. Transmission codes
  179. Which pistons can and should I use
  180. Fastest NORTHSTAR
  181. changing out serpentine tensioner
  182. Service engine soon light-94 concours
  183. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  184. Motor Oil Choice
  185. Finding coolant leak...need help
  186. Oil Under Intake 94 Northstar
  187. Engine Coolant Temperature 190-201 F
  188. Engine misfire/stall codes
  189. How do I clear codes?
  190. '95 SLS high idling temperature
  191. Right Milage?
  192. Removing the dowels
  193. What is normal engine temp for the northstar?
  194. What mods is available for my 94 SLS ???
  195. Is There a Bar’s Leak pellet usage limit???
  196. oil pressure low...engine getting hotter
  197. Replacing Belt Idler & belt - HELP!
  198. Head bolts & time-serts?
  199. Fuel filter R&r
  200. 98 SLS Overheating in minutes
  201. 96 deville fuel pressure regulator?
  202. blower motor control issues
  203. '96 Deville SES light on and hard to start
  204. Where can i find a supercharger
  205. Northstar Engine assembly - instructions
  206. 4T80E down shifting RPM 4000
  207. coolant leak
  208. Low Oil Pressure???
  209. Bar's Leaks "Head Gasket Repair"
  210. 96 Deville No Start condition, help
  211. 94 N* swap in 96 Eldo
  212. Preventing head gasket and cooling system failures...
  213. Engine oil life % - Who uses it?
  214. GM Dealer Coolant Procedure?
  215. Another Coolant Question
  216. Oil Additives... BBOB?? and others....
  217. 98 deville ses lights
  218. can '98 Northstar be tuned to take Regular Gas?
  219. gas in oil
  220. engine code 9 with a trouble code 53.
  221. 2001 eldorado engine quits momentarily
  222. 2002 Escalade 70k miles QUESTIONS???
  223. Re-Set Codes
  224. Codes and Coolant Mistery, Hesitation
  225. Synth ATF
  226. Check engine light
  227. Code Buttons
  228. EGR removal on 1997 seville w/ northstar?
  229. northstar 32v V8 2001 eldorado engine
  230. Engine wont rev Bad Tranny
  231. 4t80E will not shift into third
  232. Installed Magnaflows.........
  233. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  234. EGR Trouble HELP???
  235. OBD? DTC? How do I access these?
  236. Heater hoses
  237. Heater hoses
  238. Radiator tablets redux
  239. "CHECK COOLANT LEVEL" 14 months after fluid change
  240. what does this code pertain to? pc0153 current
  241. i need help with my deville
  242. what is wrong with my 1996 deville
  243. Little green hoses
  244. DTS MODs?
  245. Trouble Codes and Car Shuddering
  246. EBTCM traction control module
  247. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  248. Read This, Need Help!!! Egr??? Fpr???
  249. 98 deville
  250. Eldo Mods? chip, exhaust, nos, ect.