: Northstar Engines and System Technical Discussion



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