: Northstar Engines and System Technical Discussion



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  1. 3 qts oil in 3000 miles?
  2. 5% discount on parts!
  3. Things I should do when changing engines
  4. egr bench test / disassembly ?
  5. '98 cam to waterpump belt
  6. direct flow air filter intake
  7. belt
  8. Transmission Problem Not Sure Need Help Bad!!!!!!!
  9. Dex Cool is eating the gaskets?!!!
  10. 2003 SLS ECM code: DTC "P0300
  11. Cleaning fuel injectors
  12. Oversize pistons? Undersize bearings?
  13. HeadGasket
  14. oil smoke -- any suggestions?
  15. New to North stars
  16. AC 41-900 Replaced with the 41-950 plug
  17. Long Crankin
  18. egr valve test?
  19. AC Compressor changeout - success -
  20. Oil Question
  21. Question about the EGR valve
  22. My oil drain plug magnet is missing
  23. Code P1350
  24. aftermarket catalytic converter
  25. 93 STS starting problem
  26. N*--Built by ISUZU????
  27. Few STS questions..engine, suspension??
  28. Average Cost to replace Tranny on N*?
  29. Buying the Juice....
  30. Oil Residue/grease on section of Air filter on 96 N* Why?
  31. Oil level sensor (check oil level)
  32. loud noise in valve cover ?
  33. not licking to stop and slight oil leak
  34. Cracked oil pan...
  35. Magnaflow Hi Flow Cats
  36. Main Acc Drivebelt - Whine & Grind Noises
  37. a few questions i have.
  38. ZDP Right ? Bad ?
  39. Crossover changed, now smoking anit-freeze?
  40. P036 Since changing crossover
  41. Boggy Accel
  42. references for understanding the N*?
  43. Vapor lock
  44. Torque Sequence and Lbs for NStar Heads BBob??
  45. Water Pump Housing
  46. Best High-flow cat
  47. the Northstar and cams???
  48. motor swap 94 to 97 Relocation of air sensor
  49. Quick Question
  50. Probly Not a New Question - Oil Pan Leak
  51. starting problem
  52. Idle surging
  53. Northstar Help
  54. Crank Position Sensor Symptoms and Replacement
  55. Water Pump ?
  56. RWD Northstar? Gofast Parts?
  57. My Idea!!!!!!
  58. Main thread pulled out
  59. Tranny trouble again.
  60. 00 DTS - Starting issue
  61. Timesert or not?
  62. 2000 N* into a '96 DeVille?
  63. Run mid-grade every other tank?
  64. P0741 & P1860
  65. How warm do I warm my car up?
  66. Exhaust manifolds: removed with engine in place?
  67. Burning Coolant
  68. Performance questions!!!!
  69. Regular fuel change ecm program
  70. TCS C1233 and ignition problem? 97 SLS
  71. Remote mirror removal & repair questions
  72. Where is my gas filter? 97 STS
  73. Oil Burning Eldo, 1997 Etc..
  74. Northstar Intermittent misfire-Pulling hair out!!
  75. 96 concours code help!!
  76. Performance chips...scam?
  77. Some unanswered throttle body cleaning questions
  78. 1996 sts - "NO IRC DATA"
  79. 1996 DeVille won't start
  80. EGR valve removal.. need a bit of help
  81. lift
  82. Bbob - a leason on sealers, please!
  83. Need Options...coolant blowing out...
  84. Code P0335 on 2001 STS
  85. benlomand
  86. Possible Main Bearing Knock....what to do?
  87. ***********
  88. compression check out of car
  89. n* check coolant level on 97 deville
  90. BBob need help
  91. Air intake "twister"?
  92. smell coolant? check freezeplugs
  93. Help with PC0174 code
  94. rss c1769 code.. help !
  95. NorthStar Reputation..
  96. RTD means??
  97. 1996 SLS Won't Disengage Parking brake when put into gear?
  98. LD8 L37 comparison...which is really quicker?
  99. N* coolant problem
  100. Does A Northstar Have Mds?
  101. thanks to bbob, ranger, etc.
  102. What's up with the new "Universal" coolant? (Bbob?)
  103. I'm being ROBBED! (of hp)
  104. using non-GM spark plug wires?
  105. How many have blown Northstars
  106. Water Pump Replacement
  107. CD-ROM Service Manuals
  108. HELP: BPTB, AC compressor
  109. Replaced A And B Shift Still Actin Funny
  110. p094 code - where is the soleniod located?
  111. service vehicle soon !!!!!!
  112. Help with removing Northstar coolant crossover
  113. error code
  114. supercharger??
  115. OK, who else needs a timesert kit????
  116. Can the Northstar be rebuilt?
  117. Using oil....but where?
  118. VIN Code "9"
  119. Head gasket and mileage...
  120. 96 Eldorado trouble code PC 0420...
  121. My First problem with my 2001 DTS if anyone can help?
  122. 97 deville cooling system
  123. air bag
  124. Dead #1 - Stumped & DisCUSSeded!
  125. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  126. Northstar Head Gasket.. What Parts Needed???
  127. 94 concours rough idle when hot
  128. Where does a coolant change go into?
  129. Oil Pump - how to inspect and test out of engine
  130. Possible for Trans. Solenoids not to show a code?
  131. Code AC1348 on 1996 seville SlS what does it mean?
  132. AAA Extended Warranty
  133. Technical Service Bulletins
  134. 94 concours, test your knowledge
  135. My car Quacks
  136. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  137. s/s fuel rail removal to get to EGR...
  138. Transmission codes
  139. Which pistons can and should I use
  140. Fastest NORTHSTAR
  141. changing out serpentine tensioner
  142. Service engine soon light-94 concours
  143. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  144. Motor Oil Choice
  145. Finding coolant leak...need help
  146. Oil Under Intake 94 Northstar
  147. Engine Coolant Temperature 190-201 F
  148. Engine misfire/stall codes
  149. How do I clear codes?
  150. '95 SLS high idling temperature
  151. Right Milage?
  152. Removing the dowels
  153. What is normal engine temp for the northstar?
  154. What mods is available for my 94 SLS ???
  155. Is There a Bar’s Leak pellet usage limit???
  156. oil pressure low...engine getting hotter
  157. Replacing Belt Idler & belt - HELP!
  158. Head bolts & time-serts?
  159. Fuel filter R&r
  160. 98 SLS Overheating in minutes
  161. 96 deville fuel pressure regulator?
  162. blower motor control issues
  163. '96 Deville SES light on and hard to start
  164. Where can i find a supercharger
  165. Northstar Engine assembly - instructions
  166. 4T80E down shifting RPM 4000
  167. coolant leak
  168. Low Oil Pressure???
  169. Bar's Leaks "Head Gasket Repair"
  170. 96 Deville No Start condition, help
  171. 94 N* swap in 96 Eldo
  172. Preventing head gasket and cooling system failures...
  173. Engine oil life % - Who uses it?
  174. GM Dealer Coolant Procedure?
  175. Another Coolant Question
  176. Oil Additives... BBOB?? and others....
  177. 98 deville ses lights
  178. can '98 Northstar be tuned to take Regular Gas?
  179. gas in oil
  180. engine code 9 with a trouble code 53.
  181. 2001 eldorado engine quits momentarily
  182. 2002 Escalade 70k miles QUESTIONS???
  183. Re-Set Codes
  184. Codes and Coolant Mistery, Hesitation
  185. Synth ATF
  186. Check engine light
  187. Code Buttons
  188. EGR removal on 1997 seville w/ northstar?
  189. northstar 32v V8 2001 eldorado engine
  190. Engine wont rev Bad Tranny
  191. 4t80E will not shift into third
  192. Installed Magnaflows.........
  193. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  194. EGR Trouble HELP???
  195. OBD? DTC? How do I access these?
  196. Heater hoses
  197. Heater hoses
  198. Radiator tablets redux
  199. "CHECK COOLANT LEVEL" 14 months after fluid change
  200. what does this code pertain to? pc0153 current
  201. i need help with my deville
  202. what is wrong with my 1996 deville
  203. Little green hoses
  204. DTS MODs?
  205. Trouble Codes and Car Shuddering
  206. EBTCM traction control module
  207. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  208. Read This, Need Help!!! Egr??? Fpr???
  209. 98 deville
  210. Eldo Mods? chip, exhaust, nos, ect.
  211. 3 more radiator queries
  212. 2 more radiator drain queries
  213. Transmission Pressuse Solenoid
  214. 95 Concours Put Barsleak in canister
  215. 96 Deville codes pco603 and pco717
  216. Reset codes?
  217. "Flush" coolant?
  218. ETCBM (traction control computer)
  219. 1996 DeVille Northstar
  220. Motor mount help needed!
  221. 1994 STS First Roadtrip Coolant Temp
  222. Break In Oil
  223. question about N* headgasket
  224. trans code
  225. No 4th gear...
  226. 02 sensor
  227. Northstar longevity! 323,000 miles!
  228. 95 Seville SLS Major Problems
  229. Found the SES P102 issue! Now A/C issue
  230. TPS and/or EGR needed?
  231. OBDII diagnostic codes
  232. P0102/B1009/U1301 and others HELP!!!
  233. Max throtle angle
  234. Throttle Position Sensor relearn
  235. Original or swapped N*
  236. New cdes!!!!
  237. 1995 Concours, Fuel injector size?
  238. Reading .Bins from proms?
  239. Coolant changed to green... problem?
  240. Northstar Rebuild --- Chime In, I have questions...
  241. Preventive Maintenance While Engines Out
  242. burn out? burn not.
  243. Removing Heli-coils
  244. DIC items???
  245. cost?
  246. Oil Cooler Lines
  247. Smell Coolant but from what?
  248. VIN and Performance Questions
  249. Small coolant leak
  250. check engine soon