: Northstar Engines and System Technical Discussion



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  1. water pump/thermostat crossover housing leaking again
  2. Oil in spark plug chamber, How Bad Is This?
  3. Bizarre Coolant- A/C problem 98 Deville!!!
  4. Anybody got a stock calpack?
  5. Question about climate control.
  6. Remanufactured Northstar Engine
  7. 98 eldo jerking while stopped
  8. Dex Cool.....What going on?
  9. Compression test results 98 Seville
  10. Failed emissions test
  11. just bought 97 eldo std.
  12. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  13. Low Coolant Level
  14. Alternative to Platinum Plugs?
  15. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  16. Northstar oilpan
  17. 95 deville blown head gasket
  18. 3 qts oil in 3000 miles?
  19. 5% discount on parts!
  20. Things I should do when changing engines
  21. egr bench test / disassembly ?
  22. '98 cam to waterpump belt
  23. direct flow air filter intake
  24. belt
  25. Transmission Problem Not Sure Need Help Bad!!!!!!!
  26. Dex Cool is eating the gaskets?!!!
  27. 2003 SLS ECM code: DTC "P0300
  28. Cleaning fuel injectors
  29. Oversize pistons? Undersize bearings?
  30. HeadGasket
  31. oil smoke -- any suggestions?
  32. New to North stars
  33. AC 41-900 Replaced with the 41-950 plug
  34. Long Crankin
  35. egr valve test?
  36. AC Compressor changeout - success -
  37. Oil Question
  38. Question about the EGR valve
  39. My oil drain plug magnet is missing
  40. Code P1350
  41. aftermarket catalytic converter
  42. 93 STS starting problem
  43. N*--Built by ISUZU????
  44. Few STS questions..engine, suspension??
  45. Average Cost to replace Tranny on N*?
  46. Buying the Juice....
  47. Oil Residue/grease on section of Air filter on 96 N* Why?
  48. Oil level sensor (check oil level)
  49. loud noise in valve cover ?
  50. not licking to stop and slight oil leak
  51. Cracked oil pan...
  52. Magnaflow Hi Flow Cats
  53. Main Acc Drivebelt - Whine & Grind Noises
  54. a few questions i have.
  55. ZDP Right ? Bad ?
  56. Crossover changed, now smoking anit-freeze?
  57. P036 Since changing crossover
  58. Boggy Accel
  59. references for understanding the N*?
  60. Vapor lock
  61. Torque Sequence and Lbs for NStar Heads BBob??
  62. Water Pump Housing
  63. Best High-flow cat
  64. the Northstar and cams???
  65. motor swap 94 to 97 Relocation of air sensor
  66. Quick Question
  67. Probly Not a New Question - Oil Pan Leak
  68. starting problem
  69. Idle surging
  70. Northstar Help
  71. Crank Position Sensor Symptoms and Replacement
  72. Water Pump ?
  73. RWD Northstar? Gofast Parts?
  74. My Idea!!!!!!
  75. Main thread pulled out
  76. Tranny trouble again.
  77. 00 DTS - Starting issue
  78. Timesert or not?
  79. 2000 N* into a '96 DeVille?
  80. Run mid-grade every other tank?
  81. P0741 & P1860
  82. How warm do I warm my car up?
  83. Exhaust manifolds: removed with engine in place?
  84. Burning Coolant
  85. Performance questions!!!!
  86. Regular fuel change ecm program
  87. TCS C1233 and ignition problem? 97 SLS
  88. Remote mirror removal & repair questions
  89. Where is my gas filter? 97 STS
  90. Oil Burning Eldo, 1997 Etc..
  91. Northstar Intermittent misfire-Pulling hair out!!
  92. 96 concours code help!!
  93. Performance chips...scam?
  94. Some unanswered throttle body cleaning questions
  95. 1996 sts - "NO IRC DATA"
  96. 1996 DeVille won't start
  97. EGR valve removal.. need a bit of help
  98. lift
  99. Bbob - a leason on sealers, please!
  100. Need Options...coolant blowing out...
  101. Code P0335 on 2001 STS
  102. benlomand
  103. Possible Main Bearing Knock....what to do?
  104. ***********
  105. compression check out of car
  106. n* check coolant level on 97 deville
  107. BBob need help
  108. Air intake "twister"?
  109. smell coolant? check freezeplugs
  110. Help with PC0174 code
  111. rss c1769 code.. help !
  112. NorthStar Reputation..
  113. RTD means??
  114. 1996 SLS Won't Disengage Parking brake when put into gear?
  115. LD8 L37 comparison...which is really quicker?
  116. N* coolant problem
  117. Does A Northstar Have Mds?
  118. thanks to bbob, ranger, etc.
  119. What's up with the new "Universal" coolant? (Bbob?)
  120. I'm being ROBBED! (of hp)
  121. using non-GM spark plug wires?
  122. How many have blown Northstars
  123. Water Pump Replacement
  124. CD-ROM Service Manuals
  125. HELP: BPTB, AC compressor
  126. Replaced A And B Shift Still Actin Funny
  127. p094 code - where is the soleniod located?
  128. service vehicle soon !!!!!!
  129. Help with removing Northstar coolant crossover
  130. error code
  131. supercharger??
  132. OK, who else needs a timesert kit????
  133. Can the Northstar be rebuilt?
  134. Using oil....but where?
  135. VIN Code "9"
  136. Head gasket and mileage...
  137. 96 Eldorado trouble code PC 0420...
  138. My First problem with my 2001 DTS if anyone can help?
  139. 97 deville cooling system
  140. air bag
  141. Dead #1 - Stumped & DisCUSSeded!
  142. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  143. Northstar Head Gasket.. What Parts Needed???
  144. 94 concours rough idle when hot
  145. Where does a coolant change go into?
  146. Oil Pump - how to inspect and test out of engine
  147. Possible for Trans. Solenoids not to show a code?
  148. Code AC1348 on 1996 seville SlS what does it mean?
  149. AAA Extended Warranty
  150. Technical Service Bulletins
  151. 94 concours, test your knowledge
  152. My car Quacks
  153. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  154. s/s fuel rail removal to get to EGR...
  155. Transmission codes
  156. Which pistons can and should I use
  157. Fastest NORTHSTAR
  158. changing out serpentine tensioner
  159. Service engine soon light-94 concours
  160. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  161. Motor Oil Choice
  162. Finding coolant leak...need help
  163. Oil Under Intake 94 Northstar
  164. Engine Coolant Temperature 190-201 F
  165. Engine misfire/stall codes
  166. How do I clear codes?
  167. '95 SLS high idling temperature
  168. Right Milage?
  169. Removing the dowels
  170. What is normal engine temp for the northstar?
  171. What mods is available for my 94 SLS ???
  172. Is There a Bar’s Leak pellet usage limit???
  173. oil pressure low...engine getting hotter
  174. Replacing Belt Idler & belt - HELP!
  175. Head bolts & time-serts?
  176. Fuel filter R&r
  177. 98 SLS Overheating in minutes
  178. 96 deville fuel pressure regulator?
  179. blower motor control issues
  180. '96 Deville SES light on and hard to start
  181. Where can i find a supercharger
  182. Northstar Engine assembly - instructions
  183. 4T80E down shifting RPM 4000
  184. coolant leak
  185. Low Oil Pressure???
  186. Bar's Leaks "Head Gasket Repair"
  187. 96 Deville No Start condition, help
  188. 94 N* swap in 96 Eldo
  189. Preventing head gasket and cooling system failures...
  190. Engine oil life % - Who uses it?
  191. GM Dealer Coolant Procedure?
  192. Another Coolant Question
  193. Oil Additives... BBOB?? and others....
  194. 98 deville ses lights
  195. can '98 Northstar be tuned to take Regular Gas?
  196. gas in oil
  197. engine code 9 with a trouble code 53.
  198. 2001 eldorado engine quits momentarily
  199. 2002 Escalade 70k miles QUESTIONS???
  200. Re-Set Codes
  201. Codes and Coolant Mistery, Hesitation
  202. Synth ATF
  203. Check engine light
  204. Code Buttons
  205. EGR removal on 1997 seville w/ northstar?
  206. northstar 32v V8 2001 eldorado engine
  207. Engine wont rev Bad Tranny
  208. 4t80E will not shift into third
  209. Installed Magnaflows.........
  210. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  211. EGR Trouble HELP???
  212. OBD? DTC? How do I access these?
  213. Heater hoses
  214. Heater hoses
  215. Radiator tablets redux
  216. "CHECK COOLANT LEVEL" 14 months after fluid change
  217. what does this code pertain to? pc0153 current
  218. i need help with my deville
  219. what is wrong with my 1996 deville
  220. Little green hoses
  221. DTS MODs?
  222. Trouble Codes and Car Shuddering
  223. EBTCM traction control module
  224. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  225. Read This, Need Help!!! Egr??? Fpr???
  226. 98 deville
  227. Eldo Mods? chip, exhaust, nos, ect.
  228. 3 more radiator queries
  229. 2 more radiator drain queries
  230. Transmission Pressuse Solenoid
  231. 95 Concours Put Barsleak in canister
  232. 96 Deville codes pco603 and pco717
  233. Reset codes?
  234. "Flush" coolant?
  235. ETCBM (traction control computer)
  236. 1996 DeVille Northstar
  237. Motor mount help needed!
  238. 1994 STS First Roadtrip Coolant Temp
  239. Break In Oil
  240. question about N* headgasket
  241. trans code
  242. No 4th gear...
  243. 02 sensor
  244. Northstar longevity! 323,000 miles!
  245. 95 Seville SLS Major Problems
  246. Found the SES P102 issue! Now A/C issue
  247. TPS and/or EGR needed?
  248. OBDII diagnostic codes
  249. P0102/B1009/U1301 and others HELP!!!
  250. Max throtle angle