: Northstar Engines and System Technical Discussion



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  1. Help with PC0174 code
  2. rss c1769 code.. help !
  3. NorthStar Reputation..
  4. RTD means??
  5. 1996 SLS Won't Disengage Parking brake when put into gear?
  6. LD8 L37 comparison...which is really quicker?
  7. N* coolant problem
  8. Does A Northstar Have Mds?
  9. thanks to bbob, ranger, etc.
  10. What's up with the new "Universal" coolant? (Bbob?)
  11. I'm being ROBBED! (of hp)
  12. using non-GM spark plug wires?
  13. How many have blown Northstars
  14. Water Pump Replacement
  15. CD-ROM Service Manuals
  16. HELP: BPTB, AC compressor
  17. Replaced A And B Shift Still Actin Funny
  18. p094 code - where is the soleniod located?
  19. service vehicle soon !!!!!!
  20. Help with removing Northstar coolant crossover
  21. error code
  22. supercharger??
  23. OK, who else needs a timesert kit????
  24. Can the Northstar be rebuilt?
  25. Using oil....but where?
  26. VIN Code "9"
  27. Head gasket and mileage...
  28. 96 Eldorado trouble code PC 0420...
  29. My First problem with my 2001 DTS if anyone can help?
  30. 97 deville cooling system
  31. air bag
  32. Dead #1 - Stumped & DisCUSSeded!
  33. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  34. Northstar Head Gasket.. What Parts Needed???
  35. 94 concours rough idle when hot
  36. Where does a coolant change go into?
  37. Oil Pump - how to inspect and test out of engine
  38. Possible for Trans. Solenoids not to show a code?
  39. Code AC1348 on 1996 seville SlS what does it mean?
  40. AAA Extended Warranty
  41. Technical Service Bulletins
  42. 94 concours, test your knowledge
  43. My car Quacks
  44. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  45. s/s fuel rail removal to get to EGR...
  46. Transmission codes
  47. Which pistons can and should I use
  48. Fastest NORTHSTAR
  49. changing out serpentine tensioner
  50. Service engine soon light-94 concours
  51. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  52. Motor Oil Choice
  53. Finding coolant leak...need help
  54. Oil Under Intake 94 Northstar
  55. Engine Coolant Temperature 190-201 F
  56. Engine misfire/stall codes
  57. How do I clear codes?
  58. '95 SLS high idling temperature
  59. Right Milage?
  60. Removing the dowels
  61. What is normal engine temp for the northstar?
  62. What mods is available for my 94 SLS ???
  63. Is There a Bar’s Leak pellet usage limit???
  64. oil pressure low...engine getting hotter
  65. Replacing Belt Idler & belt - HELP!
  66. Head bolts & time-serts?
  67. Fuel filter R&r
  68. 98 SLS Overheating in minutes
  69. 96 deville fuel pressure regulator?
  70. blower motor control issues
  71. '96 Deville SES light on and hard to start
  72. Where can i find a supercharger
  73. Northstar Engine assembly - instructions
  74. 4T80E down shifting RPM 4000
  75. coolant leak
  76. Low Oil Pressure???
  77. Bar's Leaks "Head Gasket Repair"
  78. 96 Deville No Start condition, help
  79. 94 N* swap in 96 Eldo
  80. Preventing head gasket and cooling system failures...
  81. Engine oil life % - Who uses it?
  82. GM Dealer Coolant Procedure?
  83. Another Coolant Question
  84. Oil Additives... BBOB?? and others....
  85. 98 deville ses lights
  86. can '98 Northstar be tuned to take Regular Gas?
  87. gas in oil
  88. engine code 9 with a trouble code 53.
  89. 2001 eldorado engine quits momentarily
  90. 2002 Escalade 70k miles QUESTIONS???
  91. Re-Set Codes
  92. Codes and Coolant Mistery, Hesitation
  93. Synth ATF
  94. Check engine light
  95. Code Buttons
  96. EGR removal on 1997 seville w/ northstar?
  97. northstar 32v V8 2001 eldorado engine
  98. Engine wont rev Bad Tranny
  99. 4t80E will not shift into third
  100. Installed Magnaflows.........
  101. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  102. EGR Trouble HELP???
  103. OBD? DTC? How do I access these?
  104. Heater hoses
  105. Heater hoses
  106. Radiator tablets redux
  107. "CHECK COOLANT LEVEL" 14 months after fluid change
  108. what does this code pertain to? pc0153 current
  109. i need help with my deville
  110. what is wrong with my 1996 deville
  111. Little green hoses
  112. DTS MODs?
  113. Trouble Codes and Car Shuddering
  114. EBTCM traction control module
  115. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  116. Read This, Need Help!!! Egr??? Fpr???
  117. 98 deville
  118. Eldo Mods? chip, exhaust, nos, ect.
  119. 3 more radiator queries
  120. 2 more radiator drain queries
  121. Transmission Pressuse Solenoid
  122. 95 Concours Put Barsleak in canister
  123. 96 Deville codes pco603 and pco717
  124. Reset codes?
  125. "Flush" coolant?
  126. ETCBM (traction control computer)
  127. 1996 DeVille Northstar
  128. Motor mount help needed!
  129. 1994 STS First Roadtrip Coolant Temp
  130. Break In Oil
  131. question about N* headgasket
  132. trans code
  133. No 4th gear...
  134. 02 sensor
  135. Northstar longevity! 323,000 miles!
  136. 95 Seville SLS Major Problems
  137. Found the SES P102 issue! Now A/C issue
  138. TPS and/or EGR needed?
  139. OBDII diagnostic codes
  140. P0102/B1009/U1301 and others HELP!!!
  141. Max throtle angle
  142. Throttle Position Sensor relearn
  143. Original or swapped N*
  144. New cdes!!!!
  145. 1995 Concours, Fuel injector size?
  146. Reading .Bins from proms?
  147. Coolant changed to green... problem?
  148. Northstar Rebuild --- Chime In, I have questions...
  149. Preventive Maintenance While Engines Out
  150. burn out? burn not.
  151. Removing Heli-coils
  152. DIC items???
  153. cost?
  154. Oil Cooler Lines
  155. Smell Coolant but from what?
  156. VIN and Performance Questions
  157. Small coolant leak
  158. check engine soon
  159. 1994 Northstar Swap
  160. Bbob, Purging/exchanging tranny fluid
  161. Rough running 2000 Seville
  162. northstar motor swap
  163. oil pan gasket change
  164. 4T80E hard shift
  165. black box under car????
  166. 93 eldorado
  167. 1987 Deville Stereo Question, Please help?
  168. Fuel Injector
  169. Car jerking in 3rd gear
  170. 98 Northstar Motor Whistle
  171. Head Bolts, fixed by what year?
  172. Good repair shop in DC/MD/VA area
  173. 2001 Cracked block??
  174. rough idle at start-up
  175. Chronic miss in 4.6L Northstar
  176. Engine Cold/Knock/Tick Noise (Replace Pistons)
  177. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  178. Performance Upgrades?
  179. 02 sensor
  180. service eng light when heat turned on
  181. Won't start - Inconsistent compression
  182. L37 vs LD8, actual differences?
  183. Need Help Please!!!
  184. High charging voltage, stumped?
  185. No start on cold days?
  186. Dealer Diagnosis - $3000 BS??
  187. has anyone had a problem with 98 sls dieing at a low idle?
  188. ABS - Traction Control
  189. help with codes please
  190. High performance ignition?
  191. Northstar Performance Enhacements?
  192. Power LOSS
  193. Has anybody done a S/C northstar yet?
  194. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  195. Traction Control Problem
  196. Bobbyinski -- Northstar failure
  197. Cold Engine Misfire
  198. DTCs from my flood car - help with diagnosis
  199. PCM code????
  200. how to pull dic codes?
  201. Dealer Installed Timesert Question
  202. 99 deville sounds/runs awful
  203. Oil pan gasket
  204. n.star water pump removal & install how-to
  205. Thinking of buying a Snap-On MT2500, any thoughts?
  206. Crankcase scrap rate.
  207. what years are compatible with my 93 STS?
  208. Aaaaagh! I should'v know better,
  209. Headlights wont cut off
  210. 2000+ engine in 1998 possible maybe?
  211. Service Engine Light Codes...Please Help
  212. Severe lack of performance
  213. Chk Emmisions/Chk Engine/Rough/Smelly
  214. code tc 0073 ?
  215. Leaking Radiator fixed
  216. RPM Surge at startup
  217. Engine Running Hot..239 at shut off
  218. 2000 deville clicking noise
  219. 1994 sts Idles @ 2-3 thousand RPM
  220. engine dies frequently-pc0231 the problem?
  221. Is this head gasket, or ? ? ?
  222. 94 Eldorado rough at slow speeds
  223. Particulars of VVT?
  224. Rough idle on cold start-up
  225. 5 reasons I LOVE my '94 n* DeVille
  226. Check Coolant Level after Water Pump R/R
  227. Engine Temperature
  228. MAT sensor, MAP sensor....
  229. Problems After Head Gasket Replacement...
  230. 98 Eldo running rough
  231. weight of the 4.6 northstar
  232. Computer programmer
  233. bent #1 con-rod 4.6 N* no signs!!?
  234. Oil leak?
  235. Thermostat sticking open?
  236. Volant Air Intake?
  237. Please Help With Problem On My Deville
  238. My new caddy...
  239. 4.6 litre dual turbo Northstar project, engine only?
  240. Oil pressure problem
  241. waterpump in a 98 Deville
  242. 93 STS Crank Position Sensors
  243. I need info!!!!
  244. high rpm northstar
  245. Misfire and SES light
  246. codes
  247. Rev Limiter in Park and Neutral??
  248. On Board diag?
  249. ? for Bbob re: engine designations
  250. Whats YOUR winter project?