: Northstar Engines and System Technical Discussion



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