: Northstar Engines and System Technical Discussion



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  1. Main thread pulled out
  2. Tranny trouble again.
  3. 00 DTS - Starting issue
  4. Timesert or not?
  5. 2000 N* into a '96 DeVille?
  6. Run mid-grade every other tank?
  7. P0741 & P1860
  8. How warm do I warm my car up?
  9. Exhaust manifolds: removed with engine in place?
  10. Burning Coolant
  11. Performance questions!!!!
  12. Regular fuel change ecm program
  13. TCS C1233 and ignition problem? 97 SLS
  14. Remote mirror removal & repair questions
  15. Where is my gas filter? 97 STS
  16. Oil Burning Eldo, 1997 Etc..
  17. Northstar Intermittent misfire-Pulling hair out!!
  18. 96 concours code help!!
  19. Performance chips...scam?
  20. Some unanswered throttle body cleaning questions
  21. 1996 sts - "NO IRC DATA"
  22. 1996 DeVille won't start
  23. EGR valve removal.. need a bit of help
  24. lift
  25. Bbob - a leason on sealers, please!
  26. Need Options...coolant blowing out...
  27. Code P0335 on 2001 STS
  28. benlomand
  29. Possible Main Bearing Knock....what to do?
  30. ***********
  31. compression check out of car
  32. n* check coolant level on 97 deville
  33. BBob need help
  34. Air intake "twister"?
  35. smell coolant? check freezeplugs
  36. Help with PC0174 code
  37. rss c1769 code.. help !
  38. NorthStar Reputation..
  39. RTD means??
  40. 1996 SLS Won't Disengage Parking brake when put into gear?
  41. LD8 L37 comparison...which is really quicker?
  42. N* coolant problem
  43. Does A Northstar Have Mds?
  44. thanks to bbob, ranger, etc.
  45. What's up with the new "Universal" coolant? (Bbob?)
  46. I'm being ROBBED! (of hp)
  47. using non-GM spark plug wires?
  48. How many have blown Northstars
  49. Water Pump Replacement
  50. CD-ROM Service Manuals
  51. HELP: BPTB, AC compressor
  52. Replaced A And B Shift Still Actin Funny
  53. p094 code - where is the soleniod located?
  54. service vehicle soon !!!!!!
  55. Help with removing Northstar coolant crossover
  56. error code
  57. supercharger??
  58. OK, who else needs a timesert kit????
  59. Can the Northstar be rebuilt?
  60. Using oil....but where?
  61. VIN Code "9"
  62. Head gasket and mileage...
  63. 96 Eldorado trouble code PC 0420...
  64. My First problem with my 2001 DTS if anyone can help?
  65. 97 deville cooling system
  66. air bag
  67. Dead #1 - Stumped & DisCUSSeded!
  68. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  69. Northstar Head Gasket.. What Parts Needed???
  70. 94 concours rough idle when hot
  71. Where does a coolant change go into?
  72. Oil Pump - how to inspect and test out of engine
  73. Possible for Trans. Solenoids not to show a code?
  74. Code AC1348 on 1996 seville SlS what does it mean?
  75. AAA Extended Warranty
  76. Technical Service Bulletins
  77. 94 concours, test your knowledge
  78. My car Quacks
  79. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  80. s/s fuel rail removal to get to EGR...
  81. Transmission codes
  82. Which pistons can and should I use
  83. Fastest NORTHSTAR
  84. changing out serpentine tensioner
  85. Service engine soon light-94 concours
  86. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  87. Motor Oil Choice
  88. Finding coolant leak...need help
  89. Oil Under Intake 94 Northstar
  90. Engine Coolant Temperature 190-201 F
  91. Engine misfire/stall codes
  92. How do I clear codes?
  93. '95 SLS high idling temperature
  94. Right Milage?
  95. Removing the dowels
  96. What is normal engine temp for the northstar?
  97. What mods is available for my 94 SLS ???
  98. Is There a Bar’s Leak pellet usage limit???
  99. oil pressure low...engine getting hotter
  100. Replacing Belt Idler & belt - HELP!
  101. Head bolts & time-serts?
  102. Fuel filter R&r
  103. 98 SLS Overheating in minutes
  104. 96 deville fuel pressure regulator?
  105. blower motor control issues
  106. '96 Deville SES light on and hard to start
  107. Where can i find a supercharger
  108. Northstar Engine assembly - instructions
  109. 4T80E down shifting RPM 4000
  110. coolant leak
  111. Low Oil Pressure???
  112. Bar's Leaks "Head Gasket Repair"
  113. 96 Deville No Start condition, help
  114. 94 N* swap in 96 Eldo
  115. Preventing head gasket and cooling system failures...
  116. Engine oil life % - Who uses it?
  117. GM Dealer Coolant Procedure?
  118. Another Coolant Question
  119. Oil Additives... BBOB?? and others....
  120. 98 deville ses lights
  121. can '98 Northstar be tuned to take Regular Gas?
  122. gas in oil
  123. engine code 9 with a trouble code 53.
  124. 2001 eldorado engine quits momentarily
  125. 2002 Escalade 70k miles QUESTIONS???
  126. Re-Set Codes
  127. Codes and Coolant Mistery, Hesitation
  128. Synth ATF
  129. Check engine light
  130. Code Buttons
  131. EGR removal on 1997 seville w/ northstar?
  132. northstar 32v V8 2001 eldorado engine
  133. Engine wont rev Bad Tranny
  134. 4t80E will not shift into third
  135. Installed Magnaflows.........
  136. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  137. EGR Trouble HELP???
  138. OBD? DTC? How do I access these?
  139. Heater hoses
  140. Heater hoses
  141. Radiator tablets redux
  142. "CHECK COOLANT LEVEL" 14 months after fluid change
  143. what does this code pertain to? pc0153 current
  144. i need help with my deville
  145. what is wrong with my 1996 deville
  146. Little green hoses
  147. DTS MODs?
  148. Trouble Codes and Car Shuddering
  149. EBTCM traction control module
  150. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  151. Read This, Need Help!!! Egr??? Fpr???
  152. 98 deville
  153. Eldo Mods? chip, exhaust, nos, ect.
  154. 3 more radiator queries
  155. 2 more radiator drain queries
  156. Transmission Pressuse Solenoid
  157. 95 Concours Put Barsleak in canister
  158. 96 Deville codes pco603 and pco717
  159. Reset codes?
  160. "Flush" coolant?
  161. ETCBM (traction control computer)
  162. 1996 DeVille Northstar
  163. Motor mount help needed!
  164. 1994 STS First Roadtrip Coolant Temp
  165. Break In Oil
  166. question about N* headgasket
  167. trans code
  168. No 4th gear...
  169. 02 sensor
  170. Northstar longevity! 323,000 miles!
  171. 95 Seville SLS Major Problems
  172. Found the SES P102 issue! Now A/C issue
  173. TPS and/or EGR needed?
  174. OBDII diagnostic codes
  175. P0102/B1009/U1301 and others HELP!!!
  176. Max throtle angle
  177. Throttle Position Sensor relearn
  178. Original or swapped N*
  179. New cdes!!!!
  180. 1995 Concours, Fuel injector size?
  181. Reading .Bins from proms?
  182. Coolant changed to green... problem?
  183. Northstar Rebuild --- Chime In, I have questions...
  184. Preventive Maintenance While Engines Out
  185. burn out? burn not.
  186. Removing Heli-coils
  187. DIC items???
  188. cost?
  189. Oil Cooler Lines
  190. Smell Coolant but from what?
  191. VIN and Performance Questions
  192. Small coolant leak
  193. check engine soon
  194. 1994 Northstar Swap
  195. Bbob, Purging/exchanging tranny fluid
  196. Rough running 2000 Seville
  197. northstar motor swap
  198. oil pan gasket change
  199. 4T80E hard shift
  200. black box under car????
  201. 93 eldorado
  202. 1987 Deville Stereo Question, Please help?
  203. Fuel Injector
  204. Car jerking in 3rd gear
  205. 98 Northstar Motor Whistle
  206. Head Bolts, fixed by what year?
  207. Good repair shop in DC/MD/VA area
  208. 2001 Cracked block??
  209. rough idle at start-up
  210. Chronic miss in 4.6L Northstar
  211. Engine Cold/Knock/Tick Noise (Replace Pistons)
  212. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  213. Performance Upgrades?
  214. 02 sensor
  215. service eng light when heat turned on
  216. Won't start - Inconsistent compression
  217. L37 vs LD8, actual differences?
  218. Need Help Please!!!
  219. High charging voltage, stumped?
  220. No start on cold days?
  221. Dealer Diagnosis - $3000 BS??
  222. has anyone had a problem with 98 sls dieing at a low idle?
  223. ABS - Traction Control
  224. help with codes please
  225. High performance ignition?
  226. Northstar Performance Enhacements?
  227. Power LOSS
  228. Has anybody done a S/C northstar yet?
  229. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  230. Traction Control Problem
  231. Bobbyinski -- Northstar failure
  232. Cold Engine Misfire
  233. DTCs from my flood car - help with diagnosis
  234. PCM code????
  235. how to pull dic codes?
  236. Dealer Installed Timesert Question
  237. 99 deville sounds/runs awful
  238. Oil pan gasket
  239. n.star water pump removal & install how-to
  240. Thinking of buying a Snap-On MT2500, any thoughts?
  241. Crankcase scrap rate.
  242. what years are compatible with my 93 STS?
  243. Aaaaagh! I should'v know better,
  244. Headlights wont cut off
  245. 2000+ engine in 1998 possible maybe?
  246. Service Engine Light Codes...Please Help
  247. Severe lack of performance
  248. Chk Emmisions/Chk Engine/Rough/Smelly
  249. code tc 0073 ?
  250. Leaking Radiator fixed