: Northstar Engines and System Technical Discussion



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  1. Cracked oil pan...
  2. Magnaflow Hi Flow Cats
  3. Main Acc Drivebelt - Whine & Grind Noises
  4. a few questions i have.
  5. ZDP Right ? Bad ?
  6. Crossover changed, now smoking anit-freeze?
  7. P036 Since changing crossover
  8. Boggy Accel
  9. references for understanding the N*?
  10. Vapor lock
  11. Torque Sequence and Lbs for NStar Heads BBob??
  12. Water Pump Housing
  13. Best High-flow cat
  14. the Northstar and cams???
  15. motor swap 94 to 97 Relocation of air sensor
  16. Quick Question
  17. Probly Not a New Question - Oil Pan Leak
  18. starting problem
  19. Idle surging
  20. Northstar Help
  21. Crank Position Sensor Symptoms and Replacement
  22. Water Pump ?
  23. RWD Northstar? Gofast Parts?
  24. My Idea!!!!!!
  25. Main thread pulled out
  26. Tranny trouble again.
  27. 00 DTS - Starting issue
  28. Timesert or not?
  29. 2000 N* into a '96 DeVille?
  30. Run mid-grade every other tank?
  31. P0741 & P1860
  32. How warm do I warm my car up?
  33. Exhaust manifolds: removed with engine in place?
  34. Burning Coolant
  35. Performance questions!!!!
  36. Regular fuel change ecm program
  37. TCS C1233 and ignition problem? 97 SLS
  38. Remote mirror removal & repair questions
  39. Where is my gas filter? 97 STS
  40. Oil Burning Eldo, 1997 Etc..
  41. Northstar Intermittent misfire-Pulling hair out!!
  42. 96 concours code help!!
  43. Performance chips...scam?
  44. Some unanswered throttle body cleaning questions
  45. 1996 sts - "NO IRC DATA"
  46. 1996 DeVille won't start
  47. EGR valve removal.. need a bit of help
  48. lift
  49. Bbob - a leason on sealers, please!
  50. Need Options...coolant blowing out...
  51. Code P0335 on 2001 STS
  52. benlomand
  53. Possible Main Bearing Knock....what to do?
  54. ***********
  55. compression check out of car
  56. n* check coolant level on 97 deville
  57. BBob need help
  58. Air intake "twister"?
  59. smell coolant? check freezeplugs
  60. Help with PC0174 code
  61. rss c1769 code.. help !
  62. NorthStar Reputation..
  63. RTD means??
  64. 1996 SLS Won't Disengage Parking brake when put into gear?
  65. LD8 L37 comparison...which is really quicker?
  66. N* coolant problem
  67. Does A Northstar Have Mds?
  68. thanks to bbob, ranger, etc.
  69. What's up with the new "Universal" coolant? (Bbob?)
  70. I'm being ROBBED! (of hp)
  71. using non-GM spark plug wires?
  72. How many have blown Northstars
  73. Water Pump Replacement
  74. CD-ROM Service Manuals
  75. HELP: BPTB, AC compressor
  76. Replaced A And B Shift Still Actin Funny
  77. p094 code - where is the soleniod located?
  78. service vehicle soon !!!!!!
  79. Help with removing Northstar coolant crossover
  80. error code
  81. supercharger??
  82. OK, who else needs a timesert kit????
  83. Can the Northstar be rebuilt?
  84. Using oil....but where?
  85. VIN Code "9"
  86. Head gasket and mileage...
  87. 96 Eldorado trouble code PC 0420...
  88. My First problem with my 2001 DTS if anyone can help?
  89. 97 deville cooling system
  90. air bag
  91. Dead #1 - Stumped & DisCUSSeded!
  92. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  93. Northstar Head Gasket.. What Parts Needed???
  94. 94 concours rough idle when hot
  95. Where does a coolant change go into?
  96. Oil Pump - how to inspect and test out of engine
  97. Possible for Trans. Solenoids not to show a code?
  98. Code AC1348 on 1996 seville SlS what does it mean?
  99. AAA Extended Warranty
  100. Technical Service Bulletins
  101. 94 concours, test your knowledge
  102. My car Quacks
  103. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  104. s/s fuel rail removal to get to EGR...
  105. Transmission codes
  106. Which pistons can and should I use
  107. Fastest NORTHSTAR
  108. changing out serpentine tensioner
  109. Service engine soon light-94 concours
  110. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  111. Motor Oil Choice
  112. Finding coolant leak...need help
  113. Oil Under Intake 94 Northstar
  114. Engine Coolant Temperature 190-201 F
  115. Engine misfire/stall codes
  116. How do I clear codes?
  117. '95 SLS high idling temperature
  118. Right Milage?
  119. Removing the dowels
  120. What is normal engine temp for the northstar?
  121. What mods is available for my 94 SLS ???
  122. Is There a Bar’s Leak pellet usage limit???
  123. oil pressure low...engine getting hotter
  124. Replacing Belt Idler & belt - HELP!
  125. Head bolts & time-serts?
  126. Fuel filter R&r
  127. 98 SLS Overheating in minutes
  128. 96 deville fuel pressure regulator?
  129. blower motor control issues
  130. '96 Deville SES light on and hard to start
  131. Where can i find a supercharger
  132. Northstar Engine assembly - instructions
  133. 4T80E down shifting RPM 4000
  134. coolant leak
  135. Low Oil Pressure???
  136. Bar's Leaks "Head Gasket Repair"
  137. 96 Deville No Start condition, help
  138. 94 N* swap in 96 Eldo
  139. Preventing head gasket and cooling system failures...
  140. Engine oil life % - Who uses it?
  141. GM Dealer Coolant Procedure?
  142. Another Coolant Question
  143. Oil Additives... BBOB?? and others....
  144. 98 deville ses lights
  145. can '98 Northstar be tuned to take Regular Gas?
  146. gas in oil
  147. engine code 9 with a trouble code 53.
  148. 2001 eldorado engine quits momentarily
  149. 2002 Escalade 70k miles QUESTIONS???
  150. Re-Set Codes
  151. Codes and Coolant Mistery, Hesitation
  152. Synth ATF
  153. Check engine light
  154. Code Buttons
  155. EGR removal on 1997 seville w/ northstar?
  156. northstar 32v V8 2001 eldorado engine
  157. Engine wont rev Bad Tranny
  158. 4t80E will not shift into third
  159. Installed Magnaflows.........
  160. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  161. EGR Trouble HELP???
  162. OBD? DTC? How do I access these?
  163. Heater hoses
  164. Heater hoses
  165. Radiator tablets redux
  166. "CHECK COOLANT LEVEL" 14 months after fluid change
  167. what does this code pertain to? pc0153 current
  168. i need help with my deville
  169. what is wrong with my 1996 deville
  170. Little green hoses
  171. DTS MODs?
  172. Trouble Codes and Car Shuddering
  173. EBTCM traction control module
  174. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  175. Read This, Need Help!!! Egr??? Fpr???
  176. 98 deville
  177. Eldo Mods? chip, exhaust, nos, ect.
  178. 3 more radiator queries
  179. 2 more radiator drain queries
  180. Transmission Pressuse Solenoid
  181. 95 Concours Put Barsleak in canister
  182. 96 Deville codes pco603 and pco717
  183. Reset codes?
  184. "Flush" coolant?
  185. ETCBM (traction control computer)
  186. 1996 DeVille Northstar
  187. Motor mount help needed!
  188. 1994 STS First Roadtrip Coolant Temp
  189. Break In Oil
  190. question about N* headgasket
  191. trans code
  192. No 4th gear...
  193. 02 sensor
  194. Northstar longevity! 323,000 miles!
  195. 95 Seville SLS Major Problems
  196. Found the SES P102 issue! Now A/C issue
  197. TPS and/or EGR needed?
  198. OBDII diagnostic codes
  199. P0102/B1009/U1301 and others HELP!!!
  200. Max throtle angle
  201. Throttle Position Sensor relearn
  202. Original or swapped N*
  203. New cdes!!!!
  204. 1995 Concours, Fuel injector size?
  205. Reading .Bins from proms?
  206. Coolant changed to green... problem?
  207. Northstar Rebuild --- Chime In, I have questions...
  208. Preventive Maintenance While Engines Out
  209. burn out? burn not.
  210. Removing Heli-coils
  211. DIC items???
  212. cost?
  213. Oil Cooler Lines
  214. Smell Coolant but from what?
  215. VIN and Performance Questions
  216. Small coolant leak
  217. check engine soon
  218. 1994 Northstar Swap
  219. Bbob, Purging/exchanging tranny fluid
  220. Rough running 2000 Seville
  221. northstar motor swap
  222. oil pan gasket change
  223. 4T80E hard shift
  224. black box under car????
  225. 93 eldorado
  226. 1987 Deville Stereo Question, Please help?
  227. Fuel Injector
  228. Car jerking in 3rd gear
  229. 98 Northstar Motor Whistle
  230. Head Bolts, fixed by what year?
  231. Good repair shop in DC/MD/VA area
  232. 2001 Cracked block??
  233. rough idle at start-up
  234. Chronic miss in 4.6L Northstar
  235. Engine Cold/Knock/Tick Noise (Replace Pistons)
  236. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  237. Performance Upgrades?
  238. 02 sensor
  239. service eng light when heat turned on
  240. Won't start - Inconsistent compression
  241. L37 vs LD8, actual differences?
  242. Need Help Please!!!
  243. High charging voltage, stumped?
  244. No start on cold days?
  245. Dealer Diagnosis - $3000 BS??
  246. has anyone had a problem with 98 sls dieing at a low idle?
  247. ABS - Traction Control
  248. help with codes please
  249. High performance ignition?
  250. Northstar Performance Enhacements?