: Northstar Engines and System Technical Discussion



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  1. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  2. '98 deville idle
  3. intake kit
  4. WOT advice
  5. SeaFoam Opinions...
  6. GXP-ify my sts?
  7. caprice vs Seville sts
  8. water pump/thermostat crossover housing leaking again
  9. Oil in spark plug chamber, How Bad Is This?
  10. Bizarre Coolant- A/C problem 98 Deville!!!
  11. Anybody got a stock calpack?
  12. Question about climate control.
  13. Remanufactured Northstar Engine
  14. 98 eldo jerking while stopped
  15. Dex Cool.....What going on?
  16. Compression test results 98 Seville
  17. Failed emissions test
  18. just bought 97 eldo std.
  19. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  20. Low Coolant Level
  21. Alternative to Platinum Plugs?
  22. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  23. Northstar oilpan
  24. 95 deville blown head gasket
  25. 3 qts oil in 3000 miles?
  26. 5% discount on parts!
  27. Things I should do when changing engines
  28. egr bench test / disassembly ?
  29. '98 cam to waterpump belt
  30. direct flow air filter intake
  31. belt
  32. Transmission Problem Not Sure Need Help Bad!!!!!!!
  33. Dex Cool is eating the gaskets?!!!
  34. 2003 SLS ECM code: DTC "P0300
  35. Cleaning fuel injectors
  36. Oversize pistons? Undersize bearings?
  37. HeadGasket
  38. oil smoke -- any suggestions?
  39. New to North stars
  40. AC 41-900 Replaced with the 41-950 plug
  41. Long Crankin
  42. egr valve test?
  43. AC Compressor changeout - success -
  44. Oil Question
  45. Question about the EGR valve
  46. My oil drain plug magnet is missing
  47. Code P1350
  48. aftermarket catalytic converter
  49. 93 STS starting problem
  50. N*--Built by ISUZU????
  51. Few STS questions..engine, suspension??
  52. Average Cost to replace Tranny on N*?
  53. Buying the Juice....
  54. Oil Residue/grease on section of Air filter on 96 N* Why?
  55. Oil level sensor (check oil level)
  56. loud noise in valve cover ?
  57. not licking to stop and slight oil leak
  58. Cracked oil pan...
  59. Magnaflow Hi Flow Cats
  60. Main Acc Drivebelt - Whine & Grind Noises
  61. a few questions i have.
  62. ZDP Right ? Bad ?
  63. Crossover changed, now smoking anit-freeze?
  64. P036 Since changing crossover
  65. Boggy Accel
  66. references for understanding the N*?
  67. Vapor lock
  68. Torque Sequence and Lbs for NStar Heads BBob??
  69. Water Pump Housing
  70. Best High-flow cat
  71. the Northstar and cams???
  72. motor swap 94 to 97 Relocation of air sensor
  73. Quick Question
  74. Probly Not a New Question - Oil Pan Leak
  75. starting problem
  76. Idle surging
  77. Northstar Help
  78. Crank Position Sensor Symptoms and Replacement
  79. Water Pump ?
  80. RWD Northstar? Gofast Parts?
  81. My Idea!!!!!!
  82. Main thread pulled out
  83. Tranny trouble again.
  84. 00 DTS - Starting issue
  85. Timesert or not?
  86. 2000 N* into a '96 DeVille?
  87. Run mid-grade every other tank?
  88. P0741 & P1860
  89. How warm do I warm my car up?
  90. Exhaust manifolds: removed with engine in place?
  91. Burning Coolant
  92. Performance questions!!!!
  93. Regular fuel change ecm program
  94. TCS C1233 and ignition problem? 97 SLS
  95. Remote mirror removal & repair questions
  96. Where is my gas filter? 97 STS
  97. Oil Burning Eldo, 1997 Etc..
  98. Northstar Intermittent misfire-Pulling hair out!!
  99. 96 concours code help!!
  100. Performance chips...scam?
  101. Some unanswered throttle body cleaning questions
  102. 1996 sts - "NO IRC DATA"
  103. 1996 DeVille won't start
  104. EGR valve removal.. need a bit of help
  105. lift
  106. Bbob - a leason on sealers, please!
  107. Need Options...coolant blowing out...
  108. Code P0335 on 2001 STS
  109. benlomand
  110. Possible Main Bearing Knock....what to do?
  111. ***********
  112. compression check out of car
  113. n* check coolant level on 97 deville
  114. BBob need help
  115. Air intake "twister"?
  116. smell coolant? check freezeplugs
  117. Help with PC0174 code
  118. rss c1769 code.. help !
  119. NorthStar Reputation..
  120. RTD means??
  121. 1996 SLS Won't Disengage Parking brake when put into gear?
  122. LD8 L37 comparison...which is really quicker?
  123. N* coolant problem
  124. Does A Northstar Have Mds?
  125. thanks to bbob, ranger, etc.
  126. What's up with the new "Universal" coolant? (Bbob?)
  127. I'm being ROBBED! (of hp)
  128. using non-GM spark plug wires?
  129. How many have blown Northstars
  130. Water Pump Replacement
  131. CD-ROM Service Manuals
  132. HELP: BPTB, AC compressor
  133. Replaced A And B Shift Still Actin Funny
  134. p094 code - where is the soleniod located?
  135. service vehicle soon !!!!!!
  136. Help with removing Northstar coolant crossover
  137. error code
  138. supercharger??
  139. OK, who else needs a timesert kit????
  140. Can the Northstar be rebuilt?
  141. Using oil....but where?
  142. VIN Code "9"
  143. Head gasket and mileage...
  144. 96 Eldorado trouble code PC 0420...
  145. My First problem with my 2001 DTS if anyone can help?
  146. 97 deville cooling system
  147. air bag
  148. Dead #1 - Stumped & DisCUSSeded!
  149. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  150. Northstar Head Gasket.. What Parts Needed???
  151. 94 concours rough idle when hot
  152. Where does a coolant change go into?
  153. Oil Pump - how to inspect and test out of engine
  154. Possible for Trans. Solenoids not to show a code?
  155. Code AC1348 on 1996 seville SlS what does it mean?
  156. AAA Extended Warranty
  157. Technical Service Bulletins
  158. 94 concours, test your knowledge
  159. My car Quacks
  160. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  161. s/s fuel rail removal to get to EGR...
  162. Transmission codes
  163. Which pistons can and should I use
  164. Fastest NORTHSTAR
  165. changing out serpentine tensioner
  166. Service engine soon light-94 concours
  167. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  168. Motor Oil Choice
  169. Finding coolant leak...need help
  170. Oil Under Intake 94 Northstar
  171. Engine Coolant Temperature 190-201 F
  172. Engine misfire/stall codes
  173. How do I clear codes?
  174. '95 SLS high idling temperature
  175. Right Milage?
  176. Removing the dowels
  177. What is normal engine temp for the northstar?
  178. What mods is available for my 94 SLS ???
  179. Is There a Bar’s Leak pellet usage limit???
  180. oil pressure low...engine getting hotter
  181. Replacing Belt Idler & belt - HELP!
  182. Head bolts & time-serts?
  183. Fuel filter R&r
  184. 98 SLS Overheating in minutes
  185. 96 deville fuel pressure regulator?
  186. blower motor control issues
  187. '96 Deville SES light on and hard to start
  188. Where can i find a supercharger
  189. Northstar Engine assembly - instructions
  190. 4T80E down shifting RPM 4000
  191. coolant leak
  192. Low Oil Pressure???
  193. Bar's Leaks "Head Gasket Repair"
  194. 96 Deville No Start condition, help
  195. 94 N* swap in 96 Eldo
  196. Preventing head gasket and cooling system failures...
  197. Engine oil life % - Who uses it?
  198. GM Dealer Coolant Procedure?
  199. Another Coolant Question
  200. Oil Additives... BBOB?? and others....
  201. 98 deville ses lights
  202. can '98 Northstar be tuned to take Regular Gas?
  203. gas in oil
  204. engine code 9 with a trouble code 53.
  205. 2001 eldorado engine quits momentarily
  206. 2002 Escalade 70k miles QUESTIONS???
  207. Re-Set Codes
  208. Codes and Coolant Mistery, Hesitation
  209. Synth ATF
  210. Check engine light
  211. Code Buttons
  212. EGR removal on 1997 seville w/ northstar?
  213. northstar 32v V8 2001 eldorado engine
  214. Engine wont rev Bad Tranny
  215. 4t80E will not shift into third
  216. Installed Magnaflows.........
  217. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  218. EGR Trouble HELP???
  219. OBD? DTC? How do I access these?
  220. Heater hoses
  221. Heater hoses
  222. Radiator tablets redux
  223. "CHECK COOLANT LEVEL" 14 months after fluid change
  224. what does this code pertain to? pc0153 current
  225. i need help with my deville
  226. what is wrong with my 1996 deville
  227. Little green hoses
  228. DTS MODs?
  229. Trouble Codes and Car Shuddering
  230. EBTCM traction control module
  231. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  232. Read This, Need Help!!! Egr??? Fpr???
  233. 98 deville
  234. Eldo Mods? chip, exhaust, nos, ect.
  235. 3 more radiator queries
  236. 2 more radiator drain queries
  237. Transmission Pressuse Solenoid
  238. 95 Concours Put Barsleak in canister
  239. 96 Deville codes pco603 and pco717
  240. Reset codes?
  241. "Flush" coolant?
  242. ETCBM (traction control computer)
  243. 1996 DeVille Northstar
  244. Motor mount help needed!
  245. 1994 STS First Roadtrip Coolant Temp
  246. Break In Oil
  247. question about N* headgasket
  248. trans code
  249. No 4th gear...
  250. 02 sensor