: Northstar Engines and System Technical Discussion



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