: Northstar Engines and System Technical Discussion



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  1. Transmission Problem Not Sure Need Help Bad!!!!!!!
  2. Dex Cool is eating the gaskets?!!!
  3. 2003 SLS ECM code: DTC "P0300
  4. Cleaning fuel injectors
  5. Oversize pistons? Undersize bearings?
  6. HeadGasket
  7. oil smoke -- any suggestions?
  8. New to North stars
  9. AC 41-900 Replaced with the 41-950 plug
  10. Long Crankin
  11. egr valve test?
  12. AC Compressor changeout - success -
  13. Oil Question
  14. Question about the EGR valve
  15. My oil drain plug magnet is missing
  16. Code P1350
  17. aftermarket catalytic converter
  18. 93 STS starting problem
  19. N*--Built by ISUZU????
  20. Few STS questions..engine, suspension??
  21. Average Cost to replace Tranny on N*?
  22. Buying the Juice....
  23. Oil Residue/grease on section of Air filter on 96 N* Why?
  24. Oil level sensor (check oil level)
  25. loud noise in valve cover ?
  26. not licking to stop and slight oil leak
  27. Cracked oil pan...
  28. Magnaflow Hi Flow Cats
  29. Main Acc Drivebelt - Whine & Grind Noises
  30. a few questions i have.
  31. ZDP Right ? Bad ?
  32. Crossover changed, now smoking anit-freeze?
  33. P036 Since changing crossover
  34. Boggy Accel
  35. references for understanding the N*?
  36. Vapor lock
  37. Torque Sequence and Lbs for NStar Heads BBob??
  38. Water Pump Housing
  39. Best High-flow cat
  40. the Northstar and cams???
  41. motor swap 94 to 97 Relocation of air sensor
  42. Quick Question
  43. Probly Not a New Question - Oil Pan Leak
  44. starting problem
  45. Idle surging
  46. Northstar Help
  47. Crank Position Sensor Symptoms and Replacement
  48. Water Pump ?
  49. RWD Northstar? Gofast Parts?
  50. My Idea!!!!!!
  51. Main thread pulled out
  52. Tranny trouble again.
  53. 00 DTS - Starting issue
  54. Timesert or not?
  55. 2000 N* into a '96 DeVille?
  56. Run mid-grade every other tank?
  57. P0741 & P1860
  58. How warm do I warm my car up?
  59. Exhaust manifolds: removed with engine in place?
  60. Burning Coolant
  61. Performance questions!!!!
  62. Regular fuel change ecm program
  63. TCS C1233 and ignition problem? 97 SLS
  64. Remote mirror removal & repair questions
  65. Where is my gas filter? 97 STS
  66. Oil Burning Eldo, 1997 Etc..
  67. Northstar Intermittent misfire-Pulling hair out!!
  68. 96 concours code help!!
  69. Performance chips...scam?
  70. Some unanswered throttle body cleaning questions
  71. 1996 sts - "NO IRC DATA"
  72. 1996 DeVille won't start
  73. EGR valve removal.. need a bit of help
  74. lift
  75. Bbob - a leason on sealers, please!
  76. Need Options...coolant blowing out...
  77. Code P0335 on 2001 STS
  78. benlomand
  79. Possible Main Bearing Knock....what to do?
  80. ***********
  81. compression check out of car
  82. n* check coolant level on 97 deville
  83. BBob need help
  84. Air intake "twister"?
  85. smell coolant? check freezeplugs
  86. Help with PC0174 code
  87. rss c1769 code.. help !
  88. NorthStar Reputation..
  89. RTD means??
  90. 1996 SLS Won't Disengage Parking brake when put into gear?
  91. LD8 L37 comparison...which is really quicker?
  92. N* coolant problem
  93. Does A Northstar Have Mds?
  94. thanks to bbob, ranger, etc.
  95. What's up with the new "Universal" coolant? (Bbob?)
  96. I'm being ROBBED! (of hp)
  97. using non-GM spark plug wires?
  98. How many have blown Northstars
  99. Water Pump Replacement
  100. CD-ROM Service Manuals
  101. HELP: BPTB, AC compressor
  102. Replaced A And B Shift Still Actin Funny
  103. p094 code - where is the soleniod located?
  104. service vehicle soon !!!!!!
  105. Help with removing Northstar coolant crossover
  106. error code
  107. supercharger??
  108. OK, who else needs a timesert kit????
  109. Can the Northstar be rebuilt?
  110. Using oil....but where?
  111. VIN Code "9"
  112. Head gasket and mileage...
  113. 96 Eldorado trouble code PC 0420...
  114. My First problem with my 2001 DTS if anyone can help?
  115. 97 deville cooling system
  116. air bag
  117. Dead #1 - Stumped & DisCUSSeded!
  118. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  119. Northstar Head Gasket.. What Parts Needed???
  120. 94 concours rough idle when hot
  121. Where does a coolant change go into?
  122. Oil Pump - how to inspect and test out of engine
  123. Possible for Trans. Solenoids not to show a code?
  124. Code AC1348 on 1996 seville SlS what does it mean?
  125. AAA Extended Warranty
  126. Technical Service Bulletins
  127. 94 concours, test your knowledge
  128. My car Quacks
  129. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  130. s/s fuel rail removal to get to EGR...
  131. Transmission codes
  132. Which pistons can and should I use
  133. Fastest NORTHSTAR
  134. changing out serpentine tensioner
  135. Service engine soon light-94 concours
  136. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  137. Motor Oil Choice
  138. Finding coolant leak...need help
  139. Oil Under Intake 94 Northstar
  140. Engine Coolant Temperature 190-201 F
  141. Engine misfire/stall codes
  142. How do I clear codes?
  143. '95 SLS high idling temperature
  144. Right Milage?
  145. Removing the dowels
  146. What is normal engine temp for the northstar?
  147. What mods is available for my 94 SLS ???
  148. Is There a Bar’s Leak pellet usage limit???
  149. oil pressure low...engine getting hotter
  150. Replacing Belt Idler & belt - HELP!
  151. Head bolts & time-serts?
  152. Fuel filter R&r
  153. 98 SLS Overheating in minutes
  154. 96 deville fuel pressure regulator?
  155. blower motor control issues
  156. '96 Deville SES light on and hard to start
  157. Where can i find a supercharger
  158. Northstar Engine assembly - instructions
  159. 4T80E down shifting RPM 4000
  160. coolant leak
  161. Low Oil Pressure???
  162. Bar's Leaks "Head Gasket Repair"
  163. 96 Deville No Start condition, help
  164. 94 N* swap in 96 Eldo
  165. Preventing head gasket and cooling system failures...
  166. Engine oil life % - Who uses it?
  167. GM Dealer Coolant Procedure?
  168. Another Coolant Question
  169. Oil Additives... BBOB?? and others....
  170. 98 deville ses lights
  171. can '98 Northstar be tuned to take Regular Gas?
  172. gas in oil
  173. engine code 9 with a trouble code 53.
  174. 2001 eldorado engine quits momentarily
  175. 2002 Escalade 70k miles QUESTIONS???
  176. Re-Set Codes
  177. Codes and Coolant Mistery, Hesitation
  178. Synth ATF
  179. Check engine light
  180. Code Buttons
  181. EGR removal on 1997 seville w/ northstar?
  182. northstar 32v V8 2001 eldorado engine
  183. Engine wont rev Bad Tranny
  184. 4t80E will not shift into third
  185. Installed Magnaflows.........
  186. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  187. EGR Trouble HELP???
  188. OBD? DTC? How do I access these?
  189. Heater hoses
  190. Heater hoses
  191. Radiator tablets redux
  192. "CHECK COOLANT LEVEL" 14 months after fluid change
  193. what does this code pertain to? pc0153 current
  194. i need help with my deville
  195. what is wrong with my 1996 deville
  196. Little green hoses
  197. DTS MODs?
  198. Trouble Codes and Car Shuddering
  199. EBTCM traction control module
  200. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  201. Read This, Need Help!!! Egr??? Fpr???
  202. 98 deville
  203. Eldo Mods? chip, exhaust, nos, ect.
  204. 3 more radiator queries
  205. 2 more radiator drain queries
  206. Transmission Pressuse Solenoid
  207. 95 Concours Put Barsleak in canister
  208. 96 Deville codes pco603 and pco717
  209. Reset codes?
  210. "Flush" coolant?
  211. ETCBM (traction control computer)
  212. 1996 DeVille Northstar
  213. Motor mount help needed!
  214. 1994 STS First Roadtrip Coolant Temp
  215. Break In Oil
  216. question about N* headgasket
  217. trans code
  218. No 4th gear...
  219. 02 sensor
  220. Northstar longevity! 323,000 miles!
  221. 95 Seville SLS Major Problems
  222. Found the SES P102 issue! Now A/C issue
  223. TPS and/or EGR needed?
  224. OBDII diagnostic codes
  225. P0102/B1009/U1301 and others HELP!!!
  226. Max throtle angle
  227. Throttle Position Sensor relearn
  228. Original or swapped N*
  229. New cdes!!!!
  230. 1995 Concours, Fuel injector size?
  231. Reading .Bins from proms?
  232. Coolant changed to green... problem?
  233. Northstar Rebuild --- Chime In, I have questions...
  234. Preventive Maintenance While Engines Out
  235. burn out? burn not.
  236. Removing Heli-coils
  237. DIC items???
  238. cost?
  239. Oil Cooler Lines
  240. Smell Coolant but from what?
  241. VIN and Performance Questions
  242. Small coolant leak
  243. check engine soon
  244. 1994 Northstar Swap
  245. Bbob, Purging/exchanging tranny fluid
  246. Rough running 2000 Seville
  247. northstar motor swap
  248. oil pan gasket change
  249. 4T80E hard shift
  250. black box under car????