: Northstar Engines and System Technical Discussion



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