: Northstar Engines and System Technical Discussion



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