: Northstar Engines and System Technical Discussion



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