: Northstar Engines and System Technical Discussion



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  1. rss c1769 code.. help !
  2. NorthStar Reputation..
  3. RTD means??
  4. 1996 SLS Won't Disengage Parking brake when put into gear?
  5. LD8 L37 comparison...which is really quicker?
  6. N* coolant problem
  7. Does A Northstar Have Mds?
  8. thanks to bbob, ranger, etc.
  9. What's up with the new "Universal" coolant? (Bbob?)
  10. I'm being ROBBED! (of hp)
  11. using non-GM spark plug wires?
  12. How many have blown Northstars
  13. Water Pump Replacement
  14. CD-ROM Service Manuals
  15. HELP: BPTB, AC compressor
  16. Replaced A And B Shift Still Actin Funny
  17. p094 code - where is the soleniod located?
  18. service vehicle soon !!!!!!
  19. Help with removing Northstar coolant crossover
  20. error code
  21. supercharger??
  22. OK, who else needs a timesert kit????
  23. Can the Northstar be rebuilt?
  24. Using oil....but where?
  25. VIN Code "9"
  26. Head gasket and mileage...
  27. 96 Eldorado trouble code PC 0420...
  28. My First problem with my 2001 DTS if anyone can help?
  29. 97 deville cooling system
  30. air bag
  31. Dead #1 - Stumped & DisCUSSeded!
  32. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  33. Northstar Head Gasket.. What Parts Needed???
  34. 94 concours rough idle when hot
  35. Where does a coolant change go into?
  36. Oil Pump - how to inspect and test out of engine
  37. Possible for Trans. Solenoids not to show a code?
  38. Code AC1348 on 1996 seville SlS what does it mean?
  39. AAA Extended Warranty
  40. Technical Service Bulletins
  41. 94 concours, test your knowledge
  42. My car Quacks
  43. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  44. s/s fuel rail removal to get to EGR...
  45. Transmission codes
  46. Which pistons can and should I use
  47. Fastest NORTHSTAR
  48. changing out serpentine tensioner
  49. Service engine soon light-94 concours
  50. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  51. Motor Oil Choice
  52. Finding coolant leak...need help
  53. Oil Under Intake 94 Northstar
  54. Engine Coolant Temperature 190-201 F
  55. Engine misfire/stall codes
  56. How do I clear codes?
  57. '95 SLS high idling temperature
  58. Right Milage?
  59. Removing the dowels
  60. What is normal engine temp for the northstar?
  61. What mods is available for my 94 SLS ???
  62. Is There a Bar’s Leak pellet usage limit???
  63. oil pressure low...engine getting hotter
  64. Replacing Belt Idler & belt - HELP!
  65. Head bolts & time-serts?
  66. Fuel filter R&r
  67. 98 SLS Overheating in minutes
  68. 96 deville fuel pressure regulator?
  69. blower motor control issues
  70. '96 Deville SES light on and hard to start
  71. Where can i find a supercharger
  72. Northstar Engine assembly - instructions
  73. 4T80E down shifting RPM 4000
  74. coolant leak
  75. Low Oil Pressure???
  76. Bar's Leaks "Head Gasket Repair"
  77. 96 Deville No Start condition, help
  78. 94 N* swap in 96 Eldo
  79. Preventing head gasket and cooling system failures...
  80. Engine oil life % - Who uses it?
  81. GM Dealer Coolant Procedure?
  82. Another Coolant Question
  83. Oil Additives... BBOB?? and others....
  84. 98 deville ses lights
  85. can '98 Northstar be tuned to take Regular Gas?
  86. gas in oil
  87. engine code 9 with a trouble code 53.
  88. 2001 eldorado engine quits momentarily
  89. 2002 Escalade 70k miles QUESTIONS???
  90. Re-Set Codes
  91. Codes and Coolant Mistery, Hesitation
  92. Synth ATF
  93. Check engine light
  94. Code Buttons
  95. EGR removal on 1997 seville w/ northstar?
  96. northstar 32v V8 2001 eldorado engine
  97. Engine wont rev Bad Tranny
  98. 4t80E will not shift into third
  99. Installed Magnaflows.........
  100. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  101. EGR Trouble HELP???
  102. OBD? DTC? How do I access these?
  103. Heater hoses
  104. Heater hoses
  105. Radiator tablets redux
  106. "CHECK COOLANT LEVEL" 14 months after fluid change
  107. what does this code pertain to? pc0153 current
  108. i need help with my deville
  109. what is wrong with my 1996 deville
  110. Little green hoses
  111. DTS MODs?
  112. Trouble Codes and Car Shuddering
  113. EBTCM traction control module
  114. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  115. Read This, Need Help!!! Egr??? Fpr???
  116. 98 deville
  117. Eldo Mods? chip, exhaust, nos, ect.
  118. 3 more radiator queries
  119. 2 more radiator drain queries
  120. Transmission Pressuse Solenoid
  121. 95 Concours Put Barsleak in canister
  122. 96 Deville codes pco603 and pco717
  123. Reset codes?
  124. "Flush" coolant?
  125. ETCBM (traction control computer)
  126. 1996 DeVille Northstar
  127. Motor mount help needed!
  128. 1994 STS First Roadtrip Coolant Temp
  129. Break In Oil
  130. question about N* headgasket
  131. trans code
  132. No 4th gear...
  133. 02 sensor
  134. Northstar longevity! 323,000 miles!
  135. 95 Seville SLS Major Problems
  136. Found the SES P102 issue! Now A/C issue
  137. TPS and/or EGR needed?
  138. OBDII diagnostic codes
  139. P0102/B1009/U1301 and others HELP!!!
  140. Max throtle angle
  141. Throttle Position Sensor relearn
  142. Original or swapped N*
  143. New cdes!!!!
  144. 1995 Concours, Fuel injector size?
  145. Reading .Bins from proms?
  146. Coolant changed to green... problem?
  147. Northstar Rebuild --- Chime In, I have questions...
  148. Preventive Maintenance While Engines Out
  149. burn out? burn not.
  150. Removing Heli-coils
  151. DIC items???
  152. cost?
  153. Oil Cooler Lines
  154. Smell Coolant but from what?
  155. VIN and Performance Questions
  156. Small coolant leak
  157. check engine soon
  158. 1994 Northstar Swap
  159. Bbob, Purging/exchanging tranny fluid
  160. Rough running 2000 Seville
  161. northstar motor swap
  162. oil pan gasket change
  163. 4T80E hard shift
  164. black box under car????
  165. 93 eldorado
  166. 1987 Deville Stereo Question, Please help?
  167. Fuel Injector
  168. Car jerking in 3rd gear
  169. 98 Northstar Motor Whistle
  170. Head Bolts, fixed by what year?
  171. Good repair shop in DC/MD/VA area
  172. 2001 Cracked block??
  173. rough idle at start-up
  174. Chronic miss in 4.6L Northstar
  175. Engine Cold/Knock/Tick Noise (Replace Pistons)
  176. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  177. Performance Upgrades?
  178. 02 sensor
  179. service eng light when heat turned on
  180. Won't start - Inconsistent compression
  181. L37 vs LD8, actual differences?
  182. Need Help Please!!!
  183. High charging voltage, stumped?
  184. No start on cold days?
  185. Dealer Diagnosis - $3000 BS??
  186. has anyone had a problem with 98 sls dieing at a low idle?
  187. ABS - Traction Control
  188. help with codes please
  189. High performance ignition?
  190. Northstar Performance Enhacements?
  191. Power LOSS
  192. Has anybody done a S/C northstar yet?
  193. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  194. Traction Control Problem
  195. Bobbyinski -- Northstar failure
  196. Cold Engine Misfire
  197. DTCs from my flood car - help with diagnosis
  198. PCM code????
  199. how to pull dic codes?
  200. Dealer Installed Timesert Question
  201. 99 deville sounds/runs awful
  202. Oil pan gasket
  203. n.star water pump removal & install how-to
  204. Thinking of buying a Snap-On MT2500, any thoughts?
  205. Crankcase scrap rate.
  206. what years are compatible with my 93 STS?
  207. Aaaaagh! I should'v know better,
  208. Headlights wont cut off
  209. 2000+ engine in 1998 possible maybe?
  210. Service Engine Light Codes...Please Help
  211. Severe lack of performance
  212. Chk Emmisions/Chk Engine/Rough/Smelly
  213. code tc 0073 ?
  214. Leaking Radiator fixed
  215. RPM Surge at startup
  216. Engine Running Hot..239 at shut off
  217. 2000 deville clicking noise
  218. 1994 sts Idles @ 2-3 thousand RPM
  219. engine dies frequently-pc0231 the problem?
  220. Is this head gasket, or ? ? ?
  221. 94 Eldorado rough at slow speeds
  222. Particulars of VVT?
  223. Rough idle on cold start-up
  224. 5 reasons I LOVE my '94 n* DeVille
  225. Check Coolant Level after Water Pump R/R
  226. Engine Temperature
  227. MAT sensor, MAP sensor....
  228. Problems After Head Gasket Replacement...
  229. 98 Eldo running rough
  230. weight of the 4.6 northstar
  231. Computer programmer
  232. bent #1 con-rod 4.6 N* no signs!!?
  233. Oil leak?
  234. Thermostat sticking open?
  235. Volant Air Intake?
  236. Please Help With Problem On My Deville
  237. My new caddy...
  238. 4.6 litre dual turbo Northstar project, engine only?
  239. Oil pressure problem
  240. waterpump in a 98 Deville
  241. 93 STS Crank Position Sensors
  242. I need info!!!!
  243. high rpm northstar
  244. Misfire and SES light
  245. codes
  246. Rev Limiter in Park and Neutral??
  247. On Board diag?
  248. ? for Bbob re: engine designations
  249. Whats YOUR winter project?
  250. STS High Idle