: Northstar Engines and System Technical Discussion



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  1. Idle surging
  2. Northstar Help
  3. Crank Position Sensor Symptoms and Replacement
  4. Water Pump ?
  5. RWD Northstar? Gofast Parts?
  6. My Idea!!!!!!
  7. Main thread pulled out
  8. Tranny trouble again.
  9. 00 DTS - Starting issue
  10. Timesert or not?
  11. 2000 N* into a '96 DeVille?
  12. Run mid-grade every other tank?
  13. P0741 & P1860
  14. How warm do I warm my car up?
  15. Exhaust manifolds: removed with engine in place?
  16. Burning Coolant
  17. Performance questions!!!!
  18. Regular fuel change ecm program
  19. TCS C1233 and ignition problem? 97 SLS
  20. Remote mirror removal & repair questions
  21. Where is my gas filter? 97 STS
  22. Oil Burning Eldo, 1997 Etc..
  23. Northstar Intermittent misfire-Pulling hair out!!
  24. 96 concours code help!!
  25. Performance chips...scam?
  26. Some unanswered throttle body cleaning questions
  27. 1996 sts - "NO IRC DATA"
  28. 1996 DeVille won't start
  29. EGR valve removal.. need a bit of help
  30. lift
  31. Bbob - a leason on sealers, please!
  32. Need Options...coolant blowing out...
  33. Code P0335 on 2001 STS
  34. benlomand
  35. Possible Main Bearing Knock....what to do?
  36. ***********
  37. compression check out of car
  38. n* check coolant level on 97 deville
  39. BBob need help
  40. Air intake "twister"?
  41. smell coolant? check freezeplugs
  42. Help with PC0174 code
  43. rss c1769 code.. help !
  44. NorthStar Reputation..
  45. RTD means??
  46. 1996 SLS Won't Disengage Parking brake when put into gear?
  47. LD8 L37 comparison...which is really quicker?
  48. N* coolant problem
  49. Does A Northstar Have Mds?
  50. thanks to bbob, ranger, etc.
  51. What's up with the new "Universal" coolant? (Bbob?)
  52. I'm being ROBBED! (of hp)
  53. using non-GM spark plug wires?
  54. How many have blown Northstars
  55. Water Pump Replacement
  56. CD-ROM Service Manuals
  57. HELP: BPTB, AC compressor
  58. Replaced A And B Shift Still Actin Funny
  59. p094 code - where is the soleniod located?
  60. service vehicle soon !!!!!!
  61. Help with removing Northstar coolant crossover
  62. error code
  63. supercharger??
  64. OK, who else needs a timesert kit????
  65. Can the Northstar be rebuilt?
  66. Using oil....but where?
  67. VIN Code "9"
  68. Head gasket and mileage...
  69. 96 Eldorado trouble code PC 0420...
  70. My First problem with my 2001 DTS if anyone can help?
  71. 97 deville cooling system
  72. air bag
  73. Dead #1 - Stumped & DisCUSSeded!
  74. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  75. Northstar Head Gasket.. What Parts Needed???
  76. 94 concours rough idle when hot
  77. Where does a coolant change go into?
  78. Oil Pump - how to inspect and test out of engine
  79. Possible for Trans. Solenoids not to show a code?
  80. Code AC1348 on 1996 seville SlS what does it mean?
  81. AAA Extended Warranty
  82. Technical Service Bulletins
  83. 94 concours, test your knowledge
  84. My car Quacks
  85. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  86. s/s fuel rail removal to get to EGR...
  87. Transmission codes
  88. Which pistons can and should I use
  89. Fastest NORTHSTAR
  90. changing out serpentine tensioner
  91. Service engine soon light-94 concours
  92. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  93. Motor Oil Choice
  94. Finding coolant leak...need help
  95. Oil Under Intake 94 Northstar
  96. Engine Coolant Temperature 190-201 F
  97. Engine misfire/stall codes
  98. How do I clear codes?
  99. '95 SLS high idling temperature
  100. Right Milage?
  101. Removing the dowels
  102. What is normal engine temp for the northstar?
  103. What mods is available for my 94 SLS ???
  104. Is There a Bar’s Leak pellet usage limit???
  105. oil pressure low...engine getting hotter
  106. Replacing Belt Idler & belt - HELP!
  107. Head bolts & time-serts?
  108. Fuel filter R&r
  109. 98 SLS Overheating in minutes
  110. 96 deville fuel pressure regulator?
  111. blower motor control issues
  112. '96 Deville SES light on and hard to start
  113. Where can i find a supercharger
  114. Northstar Engine assembly - instructions
  115. 4T80E down shifting RPM 4000
  116. coolant leak
  117. Low Oil Pressure???
  118. Bar's Leaks "Head Gasket Repair"
  119. 96 Deville No Start condition, help
  120. 94 N* swap in 96 Eldo
  121. Preventing head gasket and cooling system failures...
  122. Engine oil life % - Who uses it?
  123. GM Dealer Coolant Procedure?
  124. Another Coolant Question
  125. Oil Additives... BBOB?? and others....
  126. 98 deville ses lights
  127. can '98 Northstar be tuned to take Regular Gas?
  128. gas in oil
  129. engine code 9 with a trouble code 53.
  130. 2001 eldorado engine quits momentarily
  131. 2002 Escalade 70k miles QUESTIONS???
  132. Re-Set Codes
  133. Codes and Coolant Mistery, Hesitation
  134. Synth ATF
  135. Check engine light
  136. Code Buttons
  137. EGR removal on 1997 seville w/ northstar?
  138. northstar 32v V8 2001 eldorado engine
  139. Engine wont rev Bad Tranny
  140. 4t80E will not shift into third
  141. Installed Magnaflows.........
  142. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  143. EGR Trouble HELP???
  144. OBD? DTC? How do I access these?
  145. Heater hoses
  146. Heater hoses
  147. Radiator tablets redux
  148. "CHECK COOLANT LEVEL" 14 months after fluid change
  149. what does this code pertain to? pc0153 current
  150. i need help with my deville
  151. what is wrong with my 1996 deville
  152. Little green hoses
  153. DTS MODs?
  154. Trouble Codes and Car Shuddering
  155. EBTCM traction control module
  156. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  157. Read This, Need Help!!! Egr??? Fpr???
  158. 98 deville
  159. Eldo Mods? chip, exhaust, nos, ect.
  160. 3 more radiator queries
  161. 2 more radiator drain queries
  162. Transmission Pressuse Solenoid
  163. 95 Concours Put Barsleak in canister
  164. 96 Deville codes pco603 and pco717
  165. Reset codes?
  166. "Flush" coolant?
  167. ETCBM (traction control computer)
  168. 1996 DeVille Northstar
  169. Motor mount help needed!
  170. 1994 STS First Roadtrip Coolant Temp
  171. Break In Oil
  172. question about N* headgasket
  173. trans code
  174. No 4th gear...
  175. 02 sensor
  176. Northstar longevity! 323,000 miles!
  177. 95 Seville SLS Major Problems
  178. Found the SES P102 issue! Now A/C issue
  179. TPS and/or EGR needed?
  180. OBDII diagnostic codes
  181. P0102/B1009/U1301 and others HELP!!!
  182. Max throtle angle
  183. Throttle Position Sensor relearn
  184. Original or swapped N*
  185. New cdes!!!!
  186. 1995 Concours, Fuel injector size?
  187. Reading .Bins from proms?
  188. Coolant changed to green... problem?
  189. Northstar Rebuild --- Chime In, I have questions...
  190. Preventive Maintenance While Engines Out
  191. burn out? burn not.
  192. Removing Heli-coils
  193. DIC items???
  194. cost?
  195. Oil Cooler Lines
  196. Smell Coolant but from what?
  197. VIN and Performance Questions
  198. Small coolant leak
  199. check engine soon
  200. 1994 Northstar Swap
  201. Bbob, Purging/exchanging tranny fluid
  202. Rough running 2000 Seville
  203. northstar motor swap
  204. oil pan gasket change
  205. 4T80E hard shift
  206. black box under car????
  207. 93 eldorado
  208. 1987 Deville Stereo Question, Please help?
  209. Fuel Injector
  210. Car jerking in 3rd gear
  211. 98 Northstar Motor Whistle
  212. Head Bolts, fixed by what year?
  213. Good repair shop in DC/MD/VA area
  214. 2001 Cracked block??
  215. rough idle at start-up
  216. Chronic miss in 4.6L Northstar
  217. Engine Cold/Knock/Tick Noise (Replace Pistons)
  218. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  219. Performance Upgrades?
  220. 02 sensor
  221. service eng light when heat turned on
  222. Won't start - Inconsistent compression
  223. L37 vs LD8, actual differences?
  224. Need Help Please!!!
  225. High charging voltage, stumped?
  226. No start on cold days?
  227. Dealer Diagnosis - $3000 BS??
  228. has anyone had a problem with 98 sls dieing at a low idle?
  229. ABS - Traction Control
  230. help with codes please
  231. High performance ignition?
  232. Northstar Performance Enhacements?
  233. Power LOSS
  234. Has anybody done a S/C northstar yet?
  235. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  236. Traction Control Problem
  237. Bobbyinski -- Northstar failure
  238. Cold Engine Misfire
  239. DTCs from my flood car - help with diagnosis
  240. PCM code????
  241. how to pull dic codes?
  242. Dealer Installed Timesert Question
  243. 99 deville sounds/runs awful
  244. Oil pan gasket
  245. n.star water pump removal & install how-to
  246. Thinking of buying a Snap-On MT2500, any thoughts?
  247. Crankcase scrap rate.
  248. what years are compatible with my 93 STS?
  249. Aaaaagh! I should'v know better,
  250. Headlights wont cut off