: Northstar Engines and System Technical Discussion



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  1. OK, tired of Headgasket worry...
  2. 96 SLS burning oil like it's gas
  3. Remove the water pump pulley
  4. Tool to remove the water pump pulley
  5. 95 Deville Oil Presure
  6. engine died
  7. Tune Up Time!
  8. 97eldo Need Help
  9. missing bolts on side of oilpan and A-frame...
  10. Torque strut removal and "engine tilt"
  11. Thread inserts?
  12. Can you use 10W-40 in a Northstar
  13. Are AC/Delco parts available only at the dealer?
  14. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  15. How do you properly use pellets? Northstar
  16. Engine seems to misfire a bit when it's cold or damp out
  17. coolant coming out of overflow hose like faucet '97 Eldo
  18. SES Misfiring DTC P0300 My hunch is.....
  19. Oil cooler line leak, 4.6 N*
  20. Tightening time saver and accuracy improved with simple trick
  21. It Happened,the dreaded overheat!
  22. Oil pump - what is the grove and the port for
  23. Any performance parts for the N*?
  24. Intermediate timeing chain shaft - O ring?
  25. 98 Eldo N* 4.6 Overheating
  26. ZEX ordered....
  27. Latest head bolt tightening spec?
  28. Corsa scrwwed me over!
  29. Help with emissions system
  30. Supercharged Northstar
  31. Bbob?? Could you look at this Link?
  32. My water pump belt is dancing around...
  33. Belt Tensioner Condition - Bboby?
  34. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  35. '98 deville idle
  36. intake kit
  37. WOT advice
  38. SeaFoam Opinions...
  39. GXP-ify my sts?
  40. caprice vs Seville sts
  41. water pump/thermostat crossover housing leaking again
  42. Oil in spark plug chamber, How Bad Is This?
  43. Bizarre Coolant- A/C problem 98 Deville!!!
  44. Anybody got a stock calpack?
  45. Question about climate control.
  46. Remanufactured Northstar Engine
  47. 98 eldo jerking while stopped
  48. Dex Cool.....What going on?
  49. Compression test results 98 Seville
  50. Failed emissions test
  51. just bought 97 eldo std.
  52. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  53. Low Coolant Level
  54. Alternative to Platinum Plugs?
  55. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  56. Northstar oilpan
  57. 95 deville blown head gasket
  58. 3 qts oil in 3000 miles?
  59. 5% discount on parts!
  60. Things I should do when changing engines
  61. egr bench test / disassembly ?
  62. '98 cam to waterpump belt
  63. direct flow air filter intake
  64. belt
  65. Transmission Problem Not Sure Need Help Bad!!!!!!!
  66. Dex Cool is eating the gaskets?!!!
  67. 2003 SLS ECM code: DTC "P0300
  68. Cleaning fuel injectors
  69. Oversize pistons? Undersize bearings?
  70. HeadGasket
  71. oil smoke -- any suggestions?
  72. New to North stars
  73. AC 41-900 Replaced with the 41-950 plug
  74. Long Crankin
  75. egr valve test?
  76. AC Compressor changeout - success -
  77. Oil Question
  78. Question about the EGR valve
  79. My oil drain plug magnet is missing
  80. Code P1350
  81. aftermarket catalytic converter
  82. 93 STS starting problem
  83. N*--Built by ISUZU????
  84. Few STS questions..engine, suspension??
  85. Average Cost to replace Tranny on N*?
  86. Buying the Juice....
  87. Oil Residue/grease on section of Air filter on 96 N* Why?
  88. Oil level sensor (check oil level)
  89. loud noise in valve cover ?
  90. not licking to stop and slight oil leak
  91. Cracked oil pan...
  92. Magnaflow Hi Flow Cats
  93. Main Acc Drivebelt - Whine & Grind Noises
  94. a few questions i have.
  95. ZDP Right ? Bad ?
  96. Crossover changed, now smoking anit-freeze?
  97. P036 Since changing crossover
  98. Boggy Accel
  99. references for understanding the N*?
  100. Vapor lock
  101. Torque Sequence and Lbs for NStar Heads BBob??
  102. Water Pump Housing
  103. Best High-flow cat
  104. the Northstar and cams???
  105. motor swap 94 to 97 Relocation of air sensor
  106. Quick Question
  107. Probly Not a New Question - Oil Pan Leak
  108. starting problem
  109. Idle surging
  110. Northstar Help
  111. Crank Position Sensor Symptoms and Replacement
  112. Water Pump ?
  113. RWD Northstar? Gofast Parts?
  114. My Idea!!!!!!
  115. Main thread pulled out
  116. Tranny trouble again.
  117. 00 DTS - Starting issue
  118. Timesert or not?
  119. 2000 N* into a '96 DeVille?
  120. Run mid-grade every other tank?
  121. P0741 & P1860
  122. How warm do I warm my car up?
  123. Exhaust manifolds: removed with engine in place?
  124. Burning Coolant
  125. Performance questions!!!!
  126. Regular fuel change ecm program
  127. TCS C1233 and ignition problem? 97 SLS
  128. Remote mirror removal & repair questions
  129. Where is my gas filter? 97 STS
  130. Oil Burning Eldo, 1997 Etc..
  131. Northstar Intermittent misfire-Pulling hair out!!
  132. 96 concours code help!!
  133. Performance chips...scam?
  134. Some unanswered throttle body cleaning questions
  135. 1996 sts - "NO IRC DATA"
  136. 1996 DeVille won't start
  137. EGR valve removal.. need a bit of help
  138. lift
  139. Bbob - a leason on sealers, please!
  140. Need Options...coolant blowing out...
  141. Code P0335 on 2001 STS
  142. benlomand
  143. Possible Main Bearing Knock....what to do?
  144. ***********
  145. compression check out of car
  146. n* check coolant level on 97 deville
  147. BBob need help
  148. Air intake "twister"?
  149. smell coolant? check freezeplugs
  150. Help with PC0174 code
  151. rss c1769 code.. help !
  152. NorthStar Reputation..
  153. RTD means??
  154. 1996 SLS Won't Disengage Parking brake when put into gear?
  155. LD8 L37 comparison...which is really quicker?
  156. N* coolant problem
  157. Does A Northstar Have Mds?
  158. thanks to bbob, ranger, etc.
  159. What's up with the new "Universal" coolant? (Bbob?)
  160. I'm being ROBBED! (of hp)
  161. using non-GM spark plug wires?
  162. How many have blown Northstars
  163. Water Pump Replacement
  164. CD-ROM Service Manuals
  165. HELP: BPTB, AC compressor
  166. Replaced A And B Shift Still Actin Funny
  167. p094 code - where is the soleniod located?
  168. service vehicle soon !!!!!!
  169. Help with removing Northstar coolant crossover
  170. error code
  171. supercharger??
  172. OK, who else needs a timesert kit????
  173. Can the Northstar be rebuilt?
  174. Using oil....but where?
  175. VIN Code "9"
  176. Head gasket and mileage...
  177. 96 Eldorado trouble code PC 0420...
  178. My First problem with my 2001 DTS if anyone can help?
  179. 97 deville cooling system
  180. air bag
  181. Dead #1 - Stumped & DisCUSSeded!
  182. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  183. Northstar Head Gasket.. What Parts Needed???
  184. 94 concours rough idle when hot
  185. Where does a coolant change go into?
  186. Oil Pump - how to inspect and test out of engine
  187. Possible for Trans. Solenoids not to show a code?
  188. Code AC1348 on 1996 seville SlS what does it mean?
  189. AAA Extended Warranty
  190. Technical Service Bulletins
  191. 94 concours, test your knowledge
  192. My car Quacks
  193. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  194. s/s fuel rail removal to get to EGR...
  195. Transmission codes
  196. Which pistons can and should I use
  197. Fastest NORTHSTAR
  198. changing out serpentine tensioner
  199. Service engine soon light-94 concours
  200. High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
  201. Motor Oil Choice
  202. Finding coolant leak...need help
  203. Oil Under Intake 94 Northstar
  204. Engine Coolant Temperature 190-201 F
  205. Engine misfire/stall codes
  206. How do I clear codes?
  207. '95 SLS high idling temperature
  208. Right Milage?
  209. Removing the dowels
  210. What is normal engine temp for the northstar?
  211. What mods is available for my 94 SLS ???
  212. Is There a Bar’s Leak pellet usage limit???
  213. oil pressure low...engine getting hotter
  214. Replacing Belt Idler & belt - HELP!
  215. Head bolts & time-serts?
  216. Fuel filter R&r
  217. 98 SLS Overheating in minutes
  218. 96 deville fuel pressure regulator?
  219. blower motor control issues
  220. '96 Deville SES light on and hard to start
  221. Where can i find a supercharger
  222. Northstar Engine assembly - instructions
  223. 4T80E down shifting RPM 4000
  224. coolant leak
  225. Low Oil Pressure???
  226. Bar's Leaks "Head Gasket Repair"
  227. 96 Deville No Start condition, help
  228. 94 N* swap in 96 Eldo
  229. Preventing head gasket and cooling system failures...
  230. Engine oil life % - Who uses it?
  231. GM Dealer Coolant Procedure?
  232. Another Coolant Question
  233. Oil Additives... BBOB?? and others....
  234. 98 deville ses lights
  235. can '98 Northstar be tuned to take Regular Gas?
  236. gas in oil
  237. engine code 9 with a trouble code 53.
  238. 2001 eldorado engine quits momentarily
  239. 2002 Escalade 70k miles QUESTIONS???
  240. Re-Set Codes
  241. Codes and Coolant Mistery, Hesitation
  242. Synth ATF
  243. Check engine light
  244. Code Buttons
  245. EGR removal on 1997 seville w/ northstar?
  246. northstar 32v V8 2001 eldorado engine
  247. Engine wont rev Bad Tranny
  248. 4t80E will not shift into third
  249. Installed Magnaflows.........
  250. P039 VCC Lockup Problem: Read Archives, Still Have Questions