: Northstar Engines and System Technical Discussion



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