: Northstar Engines and System Technical Discussion



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