: Northstar Engines and System Technical Discussion



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  1. 96 Sedan Deville-Where is the thermostat located
  2. Engine Codes PC0300 & RF2560
  3. Hotrod with the N*
  4. Engine Swap Info
  5. chugging N*
  6. OK, tired of Headgasket worry...
  7. 96 SLS burning oil like it's gas
  8. Remove the water pump pulley
  9. Tool to remove the water pump pulley
  10. 95 Deville Oil Presure
  11. engine died
  12. Tune Up Time!
  13. 97eldo Need Help
  14. missing bolts on side of oilpan and A-frame...
  15. Torque strut removal and "engine tilt"
  16. Thread inserts?
  17. Can you use 10W-40 in a Northstar
  18. Are AC/Delco parts available only at the dealer?
  19. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  20. How do you properly use pellets? Northstar
  21. Engine seems to misfire a bit when it's cold or damp out
  22. coolant coming out of overflow hose like faucet '97 Eldo
  23. SES Misfiring DTC P0300 My hunch is.....
  24. Oil cooler line leak, 4.6 N*
  25. Tightening time saver and accuracy improved with simple trick
  26. It Happened,the dreaded overheat!
  27. Oil pump - what is the grove and the port for
  28. Any performance parts for the N*?
  29. Intermediate timeing chain shaft - O ring?
  30. 98 Eldo N* 4.6 Overheating
  31. ZEX ordered....
  32. Latest head bolt tightening spec?
  33. Corsa scrwwed me over!
  34. Help with emissions system
  35. Supercharged Northstar
  36. Bbob?? Could you look at this Link?
  37. My water pump belt is dancing around...
  38. Belt Tensioner Condition - Bboby?
  39. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  40. '98 deville idle
  41. intake kit
  42. WOT advice
  43. SeaFoam Opinions...
  44. GXP-ify my sts?
  45. caprice vs Seville sts
  46. water pump/thermostat crossover housing leaking again
  47. Oil in spark plug chamber, How Bad Is This?
  48. Bizarre Coolant- A/C problem 98 Deville!!!
  49. Anybody got a stock calpack?
  50. Question about climate control.
  51. Remanufactured Northstar Engine
  52. 98 eldo jerking while stopped
  53. Dex Cool.....What going on?
  54. Compression test results 98 Seville
  55. Failed emissions test
  56. just bought 97 eldo std.
  57. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  58. Low Coolant Level
  59. Alternative to Platinum Plugs?
  60. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  61. Northstar oilpan
  62. 95 deville blown head gasket
  63. 3 qts oil in 3000 miles?
  64. 5% discount on parts!
  65. Things I should do when changing engines
  66. egr bench test / disassembly ?
  67. '98 cam to waterpump belt
  68. direct flow air filter intake
  69. belt
  70. Transmission Problem Not Sure Need Help Bad!!!!!!!
  71. Dex Cool is eating the gaskets?!!!
  72. 2003 SLS ECM code: DTC "P0300
  73. Cleaning fuel injectors
  74. Oversize pistons? Undersize bearings?
  75. HeadGasket
  76. oil smoke -- any suggestions?
  77. New to North stars
  78. AC 41-900 Replaced with the 41-950 plug
  79. Long Crankin
  80. egr valve test?
  81. AC Compressor changeout - success -
  82. Oil Question
  83. Question about the EGR valve
  84. My oil drain plug magnet is missing
  85. Code P1350
  86. aftermarket catalytic converter
  87. 93 STS starting problem
  88. N*--Built by ISUZU????
  89. Few STS questions..engine, suspension??
  90. Average Cost to replace Tranny on N*?
  91. Buying the Juice....
  92. Oil Residue/grease on section of Air filter on 96 N* Why?
  93. Oil level sensor (check oil level)
  94. loud noise in valve cover ?
  95. not licking to stop and slight oil leak
  96. Cracked oil pan...
  97. Magnaflow Hi Flow Cats
  98. Main Acc Drivebelt - Whine & Grind Noises
  99. a few questions i have.
  100. ZDP Right ? Bad ?
  101. Crossover changed, now smoking anit-freeze?
  102. P036 Since changing crossover
  103. Boggy Accel
  104. references for understanding the N*?
  105. Vapor lock
  106. Torque Sequence and Lbs for NStar Heads BBob??
  107. Water Pump Housing
  108. Best High-flow cat
  109. the Northstar and cams???
  110. motor swap 94 to 97 Relocation of air sensor
  111. Quick Question
  112. Probly Not a New Question - Oil Pan Leak
  113. starting problem
  114. Idle surging
  115. Northstar Help
  116. Crank Position Sensor Symptoms and Replacement
  117. Water Pump ?
  118. RWD Northstar? Gofast Parts?
  119. My Idea!!!!!!
  120. Main thread pulled out
  121. Tranny trouble again.
  122. 00 DTS - Starting issue
  123. Timesert or not?
  124. 2000 N* into a '96 DeVille?
  125. Run mid-grade every other tank?
  126. P0741 & P1860
  127. How warm do I warm my car up?
  128. Exhaust manifolds: removed with engine in place?
  129. Burning Coolant
  130. Performance questions!!!!
  131. Regular fuel change ecm program
  132. TCS C1233 and ignition problem? 97 SLS
  133. Remote mirror removal & repair questions
  134. Where is my gas filter? 97 STS
  135. Oil Burning Eldo, 1997 Etc..
  136. Northstar Intermittent misfire-Pulling hair out!!
  137. 96 concours code help!!
  138. Performance chips...scam?
  139. Some unanswered throttle body cleaning questions
  140. 1996 sts - "NO IRC DATA"
  141. 1996 DeVille won't start
  142. EGR valve removal.. need a bit of help
  143. lift
  144. Bbob - a leason on sealers, please!
  145. Need Options...coolant blowing out...
  146. Code P0335 on 2001 STS
  147. benlomand
  148. Possible Main Bearing Knock....what to do?
  149. ***********
  150. compression check out of car
  151. n* check coolant level on 97 deville
  152. BBob need help
  153. Air intake "twister"?
  154. smell coolant? check freezeplugs
  155. Help with PC0174 code
  156. rss c1769 code.. help !
  157. NorthStar Reputation..
  158. RTD means??
  159. 1996 SLS Won't Disengage Parking brake when put into gear?
  160. LD8 L37 comparison...which is really quicker?
  161. N* coolant problem
  162. Does A Northstar Have Mds?
  163. thanks to bbob, ranger, etc.
  164. What's up with the new "Universal" coolant? (Bbob?)
  165. I'm being ROBBED! (of hp)
  166. using non-GM spark plug wires?
  167. How many have blown Northstars
  168. Water Pump Replacement
  169. CD-ROM Service Manuals
  170. HELP: BPTB, AC compressor
  171. Replaced A And B Shift Still Actin Funny
  172. p094 code - where is the soleniod located?
  173. service vehicle soon !!!!!!
  174. Help with removing Northstar coolant crossover
  175. error code
  176. supercharger??
  177. OK, who else needs a timesert kit????
  178. Can the Northstar be rebuilt?
  179. Using oil....but where?
  180. VIN Code "9"
  181. Head gasket and mileage...
  182. 96 Eldorado trouble code PC 0420...
  183. My First problem with my 2001 DTS if anyone can help?
  184. 97 deville cooling system
  185. air bag
  186. Dead #1 - Stumped & DisCUSSeded!
  187. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  188. Northstar Head Gasket.. What Parts Needed???
  189. 94 concours rough idle when hot
  190. Where does a coolant change go into?
  191. Oil Pump - how to inspect and test out of engine
  192. Possible for Trans. Solenoids not to show a code?
  193. Code AC1348 on 1996 seville SlS what does it mean?
  194. AAA Extended Warranty
  195. Technical Service Bulletins
  196. 94 concours, test your knowledge
  197. My car Quacks
  198. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  199. s/s fuel rail removal to get to EGR...
  200. Transmission codes
  201. Which pistons can and should I use
  202. Fastest NORTHSTAR
  203. changing out serpentine tensioner
  204. Service engine soon light-94 concours
  205. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  206. Motor Oil Choice
  207. Finding coolant leak...need help
  208. Oil Under Intake 94 Northstar
  209. Engine Coolant Temperature 190-201 F
  210. Engine misfire/stall codes
  211. How do I clear codes?
  212. '95 SLS high idling temperature
  213. Right Milage?
  214. Removing the dowels
  215. What is normal engine temp for the northstar?
  216. What mods is available for my 94 SLS ???
  217. Is There a Bar’s Leak pellet usage limit???
  218. oil pressure low...engine getting hotter
  219. Replacing Belt Idler & belt - HELP!
  220. Head bolts & time-serts?
  221. Fuel filter R&r
  222. 98 SLS Overheating in minutes
  223. 96 deville fuel pressure regulator?
  224. blower motor control issues
  225. '96 Deville SES light on and hard to start
  226. Where can i find a supercharger
  227. Northstar Engine assembly - instructions
  228. 4T80E down shifting RPM 4000
  229. coolant leak
  230. Low Oil Pressure???
  231. Bar's Leaks "Head Gasket Repair"
  232. 96 Deville No Start condition, help
  233. 94 N* swap in 96 Eldo
  234. Preventing head gasket and cooling system failures...
  235. Engine oil life % - Who uses it?
  236. GM Dealer Coolant Procedure?
  237. Another Coolant Question
  238. Oil Additives... BBOB?? and others....
  239. 98 deville ses lights
  240. can '98 Northstar be tuned to take Regular Gas?
  241. gas in oil
  242. engine code 9 with a trouble code 53.
  243. 2001 eldorado engine quits momentarily
  244. 2002 Escalade 70k miles QUESTIONS???
  245. Re-Set Codes
  246. Codes and Coolant Mistery, Hesitation
  247. Synth ATF
  248. Check engine light
  249. Code Buttons
  250. EGR removal on 1997 seville w/ northstar?