: Northstar Engines and System Technical Discussion



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  1. No pressure in expansion tank
  2. Spark plug torque N*
  3. what hose do you drain coolant from? top or bottom?
  4. Changing Throttle bodies on my N*? Proceedure!
  5. how much dex cool and distilled water?
  6. 05 STS V8 Oil filter
  7. Best Oil Change Chain?
  8. engine managament/swap in jeep
  9. Forged crankshaft for N*
  10. Need "New" Northstar
  11. LT5 Vs Early Northstar
  12. 96 SLS Electrical Problems?
  13. Headgaskets?
  14. Twin Turbo or Supercharged...
  15. Mobil 5000, Conventional Oil?
  16. How to pull this out ?
  17. Oil leak!
  18. Rebuild bearings
  19. Engine Surge/Hesitate
  20. 2000 STS Spark Plug Thread Repair
  21. Hey BBOB (and others), was the LT1 ever considered
  22. oil change for 2001 cadi deville
  23. Phenolic Spacer Plates
  24. Cranks 5-10 seconds now, what's up?
  25. 96 STS N* squeaky pulley!?!?
  26. Spark Plug Question
  27. Fuel Pressure Check...
  28. Water Pump Tool?
  29. http://www.dragtimes.com/
  30. 99 STS - Blown Head Gaskets
  31. throttle body and egr tubes
  32. 99 Concourse, just going to buy then clonk
  33. Any Temp Seal For Head gaskets??
  34. Wow, this stinks
  35. Oxygen Sensor
  36. my engine on my 98....
  37. What could the problem be????
  38. OBD Codes
  39. Northstar Exhaust acoustic "tuning", Bbobinsky?
  40. '94 Deville n* h2O pipes behind engine rusted out
  41. Map sensor
  42. Help with codes for the Concourse
  43. problems with 94 deville 4.6L
  44. Which Fuel Pressure Regulator?
  45. New Application for the N*
  46. Engine miss
  47. Northstar engine miss
  48. 97 Deville Running poorly Help.
  49. EGR stuck = retarded timing?
  50. What is an MAF, and where can I find it?
  51. Spark Plugs on 94 STS.
  52. WOT, Premium Gas and Service Engine Soon Message
  53. Re: Didn't know where else to post this...
  54. Acetone and the Northstar
  55. whats with the front valve cover???
  56. Theory for Bbob: Fuel grade AGAIN ;)
  57. Need an Honest Opinion on my STS
  58. Plugs and Wires
  59. Missfire sensor
  60. Not head GASKET!
  61. 94 deville intake cover
  62. DIC controlls
  63. superchip
  64. Help my Cadillac Starts by itself
  65. Whats up with this "turbonoter"?
  66. Are there certain northstar engines to stay away from?
  67. 98 Eldo N* Cooling Issues..Now This?
  68. Bad injectors at 50K miles?
  69. Coolant supplement paradox (yeah this again :-)
  70. 95 sts mods
  71. Lifting Fuel Rail
  72. Engine miss when HOT outside.
  73. New Concours owner has PF61 question
  74. Catalytic converter
  75. Need help with O2 sensor.
  76. Just for laughs.....
  77. 94 N* motor pulled tips and ideas
  78. Hesitation
  79. too much money to replace a oil pan gasket
  80. Code PC0138 96 Deville? O2 sensor which one?
  81. Radiator hose looks warped and rubbing against engine...
  82. Transmission Fluid Under Pressure at Cap?
  83. Pcv Valve
  84. 2000 DeVille Waterpump
  85. Oil leak?..Not oil pan!
  86. Time-Serts for 96 N* Eldorado
  87. Rebuidling Heads on 96 Eldorado N* Engine
  88. Rebuilding Heads for 96 Eldorado
  89. MAP Problem?
  90. ECM/PCM Tuning
  91. New Northstar Motor Breakin ??
  92. Never fill up on gas when...
  93. Another overheat thread: '97 Deville N*
  94. Tune Up
  95. Northstar Timing Chains
  96. Do you have a Time-Sert kit, please help ?
  97. blown head or water pump
  98. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  99. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  100. loose power steering rack
  101. Y / 9 What's the Difference?
  102. Blown head gasket repair? 96 deville
  103. 99 STS Starting hard, STALLING..Help!!
  104. Venting Cooling System?? Drill Hole??
  105. COP - Coil over Plug Question
  106. intake plenum bolt
  107. *98 Deville- Coolant in Oil?
  108. Code P076 on 94 STS and hard shifting help!
  109. 96 deville poping and rough running
  110. Tune Up on North*???
  111. Oil misinformation
  112. Just ordered used engine
  113. Honestly, how much interest in S/C or T/C the N*
  114. Cooling fan "on" temp?
  115. Nitrous?
  116. PCV Rattle
  117. Occasional tranny slippage: Shift solenoid???
  118. 93 eldorado northstar stalls out plz help!
  119. Racing Junk heads
  120. My Caddy won't start.....help!!
  121. Northstar TIME-SERT Kit for Sale.....
  122. 1st Self Work on 1994 STS
  123. How many miles can I drive my 1996? Problems will be?
  124. Engine died & no codes?
  125. Plumbing help on 99 STS
  126. WOT vs 4T80E vs. Timing Chain
  127. Exhaust Vids
  128. 99 STS Starting hard then STALLING..Help!!
  129. How did this happen?
  130. overheats sometimes
  131. Heat / AC cover ?
  132. ignition switch
  133. 94 Concours prob. after EGR cleaning P036
  134. 98 STS Motor mount busted
  135. Help with 98 STS part.
  136. Summit Turbo Mufflers?
  137. advice on correct coolant temps for 92 eldorado
  138. Is your N* running bad, hesitating, missing??
  139. Head gasket replacement
  140. Can DIC messages be cleared for good??
  141. Code I039??
  142. blown head gasket
  143. Strange rhythmic vibration 2000 DTS
  144. Electronic Speedometer Display
  145. Blue Devil Engine & Cooling system Sealer!?
  146. Major problems at 80K miles. Is this normal?
  147. Buzzing and ringing...
  148. Performance mod
  149. "flapper door" replacement?
  150. OBDII Programmers
  151. Limp Home what is it??
  152. 99 N doesnt come with factory strut tower bar?
  153. Before And After....(Mufflers)
  154. witch fuse?
  155. Coolant Change 98 Deville
  156. 96 Sedan Deville-Where is the thermostat located
  157. Engine Codes PC0300 & RF2560
  158. Hotrod with the N*
  159. Engine Swap Info
  160. chugging N*
  161. OK, tired of Headgasket worry...
  162. 96 SLS burning oil like it's gas
  163. Remove the water pump pulley
  164. Tool to remove the water pump pulley
  165. 95 Deville Oil Presure
  166. engine died
  167. Tune Up Time!
  168. 97eldo Need Help
  169. missing bolts on side of oilpan and A-frame...
  170. Torque strut removal and "engine tilt"
  171. Thread inserts?
  172. Can you use 10W-40 in a Northstar
  173. Are AC/Delco parts available only at the dealer?
  174. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  175. How do you properly use pellets? Northstar
  176. Engine seems to misfire a bit when it's cold or damp out
  177. coolant coming out of overflow hose like faucet '97 Eldo
  178. SES Misfiring DTC P0300 My hunch is.....
  179. Oil cooler line leak, 4.6 N*
  180. Tightening time saver and accuracy improved with simple trick
  181. It Happened,the dreaded overheat!
  182. Oil pump - what is the grove and the port for
  183. Any performance parts for the N*?
  184. Intermediate timeing chain shaft - O ring?
  185. 98 Eldo N* 4.6 Overheating
  186. ZEX ordered....
  187. Latest head bolt tightening spec?
  188. Corsa scrwwed me over!
  189. Help with emissions system
  190. Supercharged Northstar
  191. Bbob?? Could you look at this Link?
  192. My water pump belt is dancing around...
  193. Belt Tensioner Condition - Bboby?
  194. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  195. '98 deville idle
  196. intake kit
  197. WOT advice
  198. SeaFoam Opinions...
  199. GXP-ify my sts?
  200. caprice vs Seville sts
  201. water pump/thermostat crossover housing leaking again
  202. Oil in spark plug chamber, How Bad Is This?
  203. Bizarre Coolant- A/C problem 98 Deville!!!
  204. Anybody got a stock calpack?
  205. Question about climate control.
  206. Remanufactured Northstar Engine
  207. 98 eldo jerking while stopped
  208. Dex Cool.....What going on?
  209. Compression test results 98 Seville
  210. Failed emissions test
  211. just bought 97 eldo std.
  212. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  213. Low Coolant Level
  214. Alternative to Platinum Plugs?
  215. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  216. Northstar oilpan
  217. 95 deville blown head gasket
  218. 3 qts oil in 3000 miles?
  219. 5% discount on parts!
  220. Things I should do when changing engines
  221. egr bench test / disassembly ?
  222. '98 cam to waterpump belt
  223. direct flow air filter intake
  224. belt
  225. Transmission Problem Not Sure Need Help Bad!!!!!!!
  226. Dex Cool is eating the gaskets?!!!
  227. 2003 SLS ECM code: DTC "P0300
  228. Cleaning fuel injectors
  229. Oversize pistons? Undersize bearings?
  230. HeadGasket
  231. oil smoke -- any suggestions?
  232. New to North stars
  233. AC 41-900 Replaced with the 41-950 plug
  234. Long Crankin
  235. egr valve test?
  236. AC Compressor changeout - success -
  237. Oil Question
  238. Question about the EGR valve
  239. My oil drain plug magnet is missing
  240. Code P1350
  241. aftermarket catalytic converter
  242. 93 STS starting problem
  243. N*--Built by ISUZU????
  244. Few STS questions..engine, suspension??
  245. Average Cost to replace Tranny on N*?
  246. Buying the Juice....
  247. Oil Residue/grease on section of Air filter on 96 N* Why?
  248. Oil level sensor (check oil level)
  249. loud noise in valve cover ?
  250. not licking to stop and slight oil leak