: Northstar Engines and System Technical Discussion



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