: Northstar Engines and System Technical Discussion



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  1. COP - Coil over Plug Question
  2. intake plenum bolt
  3. *98 Deville- Coolant in Oil?
  4. Code P076 on 94 STS and hard shifting help!
  5. 96 deville poping and rough running
  6. Tune Up on North*???
  7. Oil misinformation
  8. Just ordered used engine
  9. Honestly, how much interest in S/C or T/C the N*
  10. Cooling fan "on" temp?
  11. Nitrous?
  12. PCV Rattle
  13. Occasional tranny slippage: Shift solenoid???
  14. 93 eldorado northstar stalls out plz help!
  15. Racing Junk heads
  16. My Caddy won't start.....help!!
  17. Northstar TIME-SERT Kit for Sale.....
  18. 1st Self Work on 1994 STS
  19. How many miles can I drive my 1996? Problems will be?
  20. Engine died & no codes?
  21. Plumbing help on 99 STS
  22. WOT vs 4T80E vs. Timing Chain
  23. Exhaust Vids
  24. 99 STS Starting hard then STALLING..Help!!
  25. How did this happen?
  26. overheats sometimes
  27. Heat / AC cover ?
  28. ignition switch
  29. 94 Concours prob. after EGR cleaning P036
  30. 98 STS Motor mount busted
  31. Help with 98 STS part.
  32. Summit Turbo Mufflers?
  33. advice on correct coolant temps for 92 eldorado
  34. Is your N* running bad, hesitating, missing??
  35. Head gasket replacement
  36. Can DIC messages be cleared for good??
  37. Code I039??
  38. blown head gasket
  39. Strange rhythmic vibration 2000 DTS
  40. Electronic Speedometer Display
  41. Blue Devil Engine & Cooling system Sealer!?
  42. Major problems at 80K miles. Is this normal?
  43. Buzzing and ringing...
  44. Performance mod
  45. "flapper door" replacement?
  46. OBDII Programmers
  47. Limp Home what is it??
  48. 99 N doesnt come with factory strut tower bar?
  49. Before And After....(Mufflers)
  50. witch fuse?
  51. Coolant Change 98 Deville
  52. 96 Sedan Deville-Where is the thermostat located
  53. Engine Codes PC0300 & RF2560
  54. Hotrod with the N*
  55. Engine Swap Info
  56. chugging N*
  57. OK, tired of Headgasket worry...
  58. 96 SLS burning oil like it's gas
  59. Remove the water pump pulley
  60. Tool to remove the water pump pulley
  61. 95 Deville Oil Presure
  62. engine died
  63. Tune Up Time!
  64. 97eldo Need Help
  65. missing bolts on side of oilpan and A-frame...
  66. Torque strut removal and "engine tilt"
  67. Thread inserts?
  68. Can you use 10W-40 in a Northstar
  69. Are AC/Delco parts available only at the dealer?
  70. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  71. How do you properly use pellets? Northstar
  72. Engine seems to misfire a bit when it's cold or damp out
  73. coolant coming out of overflow hose like faucet '97 Eldo
  74. SES Misfiring DTC P0300 My hunch is.....
  75. Oil cooler line leak, 4.6 N*
  76. Tightening time saver and accuracy improved with simple trick
  77. It Happened,the dreaded overheat!
  78. Oil pump - what is the grove and the port for
  79. Any performance parts for the N*?
  80. Intermediate timeing chain shaft - O ring?
  81. 98 Eldo N* 4.6 Overheating
  82. ZEX ordered....
  83. Latest head bolt tightening spec?
  84. Corsa scrwwed me over!
  85. Help with emissions system
  86. Supercharged Northstar
  87. Bbob?? Could you look at this Link?
  88. My water pump belt is dancing around...
  89. Belt Tensioner Condition - Bboby?
  90. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  91. '98 deville idle
  92. intake kit
  93. WOT advice
  94. SeaFoam Opinions...
  95. GXP-ify my sts?
  96. caprice vs Seville sts
  97. water pump/thermostat crossover housing leaking again
  98. Oil in spark plug chamber, How Bad Is This?
  99. Bizarre Coolant- A/C problem 98 Deville!!!
  100. Anybody got a stock calpack?
  101. Question about climate control.
  102. Remanufactured Northstar Engine
  103. 98 eldo jerking while stopped
  104. Dex Cool.....What going on?
  105. Compression test results 98 Seville
  106. Failed emissions test
  107. just bought 97 eldo std.
  108. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  109. Low Coolant Level
  110. Alternative to Platinum Plugs?
  111. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  112. Northstar oilpan
  113. 95 deville blown head gasket
  114. 3 qts oil in 3000 miles?
  115. 5% discount on parts!
  116. Things I should do when changing engines
  117. egr bench test / disassembly ?
  118. '98 cam to waterpump belt
  119. direct flow air filter intake
  120. belt
  121. Transmission Problem Not Sure Need Help Bad!!!!!!!
  122. Dex Cool is eating the gaskets?!!!
  123. 2003 SLS ECM code: DTC "P0300
  124. Cleaning fuel injectors
  125. Oversize pistons? Undersize bearings?
  126. HeadGasket
  127. oil smoke -- any suggestions?
  128. New to North stars
  129. AC 41-900 Replaced with the 41-950 plug
  130. Long Crankin
  131. egr valve test?
  132. AC Compressor changeout - success -
  133. Oil Question
  134. Question about the EGR valve
  135. My oil drain plug magnet is missing
  136. Code P1350
  137. aftermarket catalytic converter
  138. 93 STS starting problem
  139. N*--Built by ISUZU????
  140. Few STS questions..engine, suspension??
  141. Average Cost to replace Tranny on N*?
  142. Buying the Juice....
  143. Oil Residue/grease on section of Air filter on 96 N* Why?
  144. Oil level sensor (check oil level)
  145. loud noise in valve cover ?
  146. not licking to stop and slight oil leak
  147. Cracked oil pan...
  148. Magnaflow Hi Flow Cats
  149. Main Acc Drivebelt - Whine & Grind Noises
  150. a few questions i have.
  151. ZDP Right ? Bad ?
  152. Crossover changed, now smoking anit-freeze?
  153. P036 Since changing crossover
  154. Boggy Accel
  155. references for understanding the N*?
  156. Vapor lock
  157. Torque Sequence and Lbs for NStar Heads BBob??
  158. Water Pump Housing
  159. Best High-flow cat
  160. the Northstar and cams???
  161. motor swap 94 to 97 Relocation of air sensor
  162. Quick Question
  163. Probly Not a New Question - Oil Pan Leak
  164. starting problem
  165. Idle surging
  166. Northstar Help
  167. Crank Position Sensor Symptoms and Replacement
  168. Water Pump ?
  169. RWD Northstar? Gofast Parts?
  170. My Idea!!!!!!
  171. Main thread pulled out
  172. Tranny trouble again.
  173. 00 DTS - Starting issue
  174. Timesert or not?
  175. 2000 N* into a '96 DeVille?
  176. Run mid-grade every other tank?
  177. P0741 & P1860
  178. How warm do I warm my car up?
  179. Exhaust manifolds: removed with engine in place?
  180. Burning Coolant
  181. Performance questions!!!!
  182. Regular fuel change ecm program
  183. TCS C1233 and ignition problem? 97 SLS
  184. Remote mirror removal & repair questions
  185. Where is my gas filter? 97 STS
  186. Oil Burning Eldo, 1997 Etc..
  187. Northstar Intermittent misfire-Pulling hair out!!
  188. 96 concours code help!!
  189. Performance chips...scam?
  190. Some unanswered throttle body cleaning questions
  191. 1996 sts - "NO IRC DATA"
  192. 1996 DeVille won't start
  193. EGR valve removal.. need a bit of help
  194. lift
  195. Bbob - a leason on sealers, please!
  196. Need Options...coolant blowing out...
  197. Code P0335 on 2001 STS
  198. benlomand
  199. Possible Main Bearing Knock....what to do?
  200. ***********
  201. compression check out of car
  202. n* check coolant level on 97 deville
  203. BBob need help
  204. Air intake "twister"?
  205. smell coolant? check freezeplugs
  206. Help with PC0174 code
  207. rss c1769 code.. help !
  208. NorthStar Reputation..
  209. RTD means??
  210. 1996 SLS Won't Disengage Parking brake when put into gear?
  211. LD8 L37 comparison...which is really quicker?
  212. N* coolant problem
  213. Does A Northstar Have Mds?
  214. thanks to bbob, ranger, etc.
  215. What's up with the new "Universal" coolant? (Bbob?)
  216. I'm being ROBBED! (of hp)
  217. using non-GM spark plug wires?
  218. How many have blown Northstars
  219. Water Pump Replacement
  220. CD-ROM Service Manuals
  221. HELP: BPTB, AC compressor
  222. Replaced A And B Shift Still Actin Funny
  223. p094 code - where is the soleniod located?
  224. service vehicle soon !!!!!!
  225. Help with removing Northstar coolant crossover
  226. error code
  227. supercharger??
  228. OK, who else needs a timesert kit????
  229. Can the Northstar be rebuilt?
  230. Using oil....but where?
  231. VIN Code "9"
  232. Head gasket and mileage...
  233. 96 Eldorado trouble code PC 0420...
  234. My First problem with my 2001 DTS if anyone can help?
  235. 97 deville cooling system
  236. air bag
  237. Dead #1 - Stumped & DisCUSSeded!
  238. Where exactly are the B1S2, B2S1, and B1S3 O2 sensors located?
  239. Northstar Head Gasket.. What Parts Needed???
  240. 94 concours rough idle when hot
  241. Where does a coolant change go into?
  242. Oil Pump - how to inspect and test out of engine
  243. Possible for Trans. Solenoids not to show a code?
  244. Code AC1348 on 1996 seville SlS what does it mean?
  245. AAA Extended Warranty
  246. Technical Service Bulletins
  247. 94 concours, test your knowledge
  248. My car Quacks
  249. 1996 SLS Transmission Reluctant/Studders to go to Overdrive Ideas?
  250. s/s fuel rail removal to get to EGR...