: Northstar Engines and System Technical Discussion



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