: Northstar Engines and System Technical Discussion



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  1. bad dealer
  2. No pressure on hoses
  3. Test for cam position sensors 98+?
  4. stuck at this part
  5. 96 SLS sometimes hard to start
  6. low (or no) oil pressure
  7. 94 Seville not starting
  8. drag strip times
  9. Coil Packs
  10. Rattling catalytic converter on n*
  11. Rear Speed Sensors Disconnected... On Purpose?
  12. N* ring end gap?
  13. 97 deville p420 code
  14. GOT CODES? I DO & IT SUCKS!!
  15. 2000 dhs plugs
  16. cooling fans
  17. Plugs/Wires check! EGR check! Phenolic plates???
  18. mud like residue in surge tank....
  19. seafoam
  20. idle? and mpg?
  21. northstar turbo
  22. '99 STS Temperature Problem ?
  23. No pressure in expansion tank
  24. Spark plug torque N*
  25. what hose do you drain coolant from? top or bottom?
  26. Changing Throttle bodies on my N*? Proceedure!
  27. how much dex cool and distilled water?
  28. 05 STS V8 Oil filter
  29. Best Oil Change Chain?
  30. engine managament/swap in jeep
  31. Forged crankshaft for N*
  32. Need "New" Northstar
  33. LT5 Vs Early Northstar
  34. 96 SLS Electrical Problems?
  35. Headgaskets?
  36. Twin Turbo or Supercharged...
  37. Mobil 5000, Conventional Oil?
  38. How to pull this out ?
  39. Oil leak!
  40. Rebuild bearings
  41. Engine Surge/Hesitate
  42. 2000 STS Spark Plug Thread Repair
  43. Hey BBOB (and others), was the LT1 ever considered
  44. oil change for 2001 cadi deville
  45. Phenolic Spacer Plates
  46. Cranks 5-10 seconds now, what's up?
  47. 96 STS N* squeaky pulley!?!?
  48. Spark Plug Question
  49. Fuel Pressure Check...
  50. Water Pump Tool?
  51. http://www.dragtimes.com/
  52. 99 STS - Blown Head Gaskets
  53. throttle body and egr tubes
  54. 99 Concourse, just going to buy then clonk
  55. Any Temp Seal For Head gaskets??
  56. Wow, this stinks
  57. Oxygen Sensor
  58. my engine on my 98....
  59. What could the problem be????
  60. OBD Codes
  61. Northstar Exhaust acoustic "tuning", Bbobinsky?
  62. '94 Deville n* h2O pipes behind engine rusted out
  63. Map sensor
  64. Help with codes for the Concourse
  65. problems with 94 deville 4.6L
  66. Which Fuel Pressure Regulator?
  67. New Application for the N*
  68. Engine miss
  69. Northstar engine miss
  70. 97 Deville Running poorly Help.
  71. EGR stuck = retarded timing?
  72. What is an MAF, and where can I find it?
  73. Spark Plugs on 94 STS.
  74. WOT, Premium Gas and Service Engine Soon Message
  75. Re: Didn't know where else to post this...
  76. Acetone and the Northstar
  77. whats with the front valve cover???
  78. Theory for Bbob: Fuel grade AGAIN ;)
  79. Need an Honest Opinion on my STS
  80. Plugs and Wires
  81. Missfire sensor
  82. Not head GASKET!
  83. 94 deville intake cover
  84. DIC controlls
  85. superchip
  86. Help my Cadillac Starts by itself
  87. Whats up with this "turbonoter"?
  88. Are there certain northstar engines to stay away from?
  89. 98 Eldo N* Cooling Issues..Now This?
  90. Bad injectors at 50K miles?
  91. Coolant supplement paradox (yeah this again :-)
  92. 95 sts mods
  93. Lifting Fuel Rail
  94. Engine miss when HOT outside.
  95. New Concours owner has PF61 question
  96. Catalytic converter
  97. Need help with O2 sensor.
  98. Just for laughs.....
  99. 94 N* motor pulled tips and ideas
  100. Hesitation
  101. too much money to replace a oil pan gasket
  102. Code PC0138 96 Deville? O2 sensor which one?
  103. Radiator hose looks warped and rubbing against engine...
  104. Transmission Fluid Under Pressure at Cap?
  105. Pcv Valve
  106. 2000 DeVille Waterpump
  107. Oil leak?..Not oil pan!
  108. Time-Serts for 96 N* Eldorado
  109. Rebuidling Heads on 96 Eldorado N* Engine
  110. Rebuilding Heads for 96 Eldorado
  111. MAP Problem?
  112. ECM/PCM Tuning
  113. New Northstar Motor Breakin ??
  114. Never fill up on gas when...
  115. Another overheat thread: '97 Deville N*
  116. Tune Up
  117. Northstar Timing Chains
  118. Do you have a Time-Sert kit, please help ?
  119. blown head or water pump
  120. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  121. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  122. loose power steering rack
  123. Y / 9 What's the Difference?
  124. Blown head gasket repair? 96 deville
  125. 99 STS Starting hard, STALLING..Help!!
  126. Venting Cooling System?? Drill Hole??
  127. COP - Coil over Plug Question
  128. intake plenum bolt
  129. *98 Deville- Coolant in Oil?
  130. Code P076 on 94 STS and hard shifting help!
  131. 96 deville poping and rough running
  132. Tune Up on North*???
  133. Oil misinformation
  134. Just ordered used engine
  135. Honestly, how much interest in S/C or T/C the N*
  136. Cooling fan "on" temp?
  137. Nitrous?
  138. PCV Rattle
  139. Occasional tranny slippage: Shift solenoid???
  140. 93 eldorado northstar stalls out plz help!
  141. Racing Junk heads
  142. My Caddy won't start.....help!!
  143. Northstar TIME-SERT Kit for Sale.....
  144. 1st Self Work on 1994 STS
  145. How many miles can I drive my 1996? Problems will be?
  146. Engine died & no codes?
  147. Plumbing help on 99 STS
  148. WOT vs 4T80E vs. Timing Chain
  149. Exhaust Vids
  150. 99 STS Starting hard then STALLING..Help!!
  151. How did this happen?
  152. overheats sometimes
  153. Heat / AC cover ?
  154. ignition switch
  155. 94 Concours prob. after EGR cleaning P036
  156. 98 STS Motor mount busted
  157. Help with 98 STS part.
  158. Summit Turbo Mufflers?
  159. advice on correct coolant temps for 92 eldorado
  160. Is your N* running bad, hesitating, missing??
  161. Head gasket replacement
  162. Can DIC messages be cleared for good??
  163. Code I039??
  164. blown head gasket
  165. Strange rhythmic vibration 2000 DTS
  166. Electronic Speedometer Display
  167. Blue Devil Engine & Cooling system Sealer!?
  168. Major problems at 80K miles. Is this normal?
  169. Buzzing and ringing...
  170. Performance mod
  171. "flapper door" replacement?
  172. OBDII Programmers
  173. Limp Home what is it??
  174. 99 N doesnt come with factory strut tower bar?
  175. Before And After....(Mufflers)
  176. witch fuse?
  177. Coolant Change 98 Deville
  178. 96 Sedan Deville-Where is the thermostat located
  179. Engine Codes PC0300 & RF2560
  180. Hotrod with the N*
  181. Engine Swap Info
  182. chugging N*
  183. OK, tired of Headgasket worry...
  184. 96 SLS burning oil like it's gas
  185. Remove the water pump pulley
  186. Tool to remove the water pump pulley
  187. 95 Deville Oil Presure
  188. engine died
  189. Tune Up Time!
  190. 97eldo Need Help
  191. missing bolts on side of oilpan and A-frame...
  192. Torque strut removal and "engine tilt"
  193. Thread inserts?
  194. Can you use 10W-40 in a Northstar
  195. Are AC/Delco parts available only at the dealer?
  196. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  197. How do you properly use pellets? Northstar
  198. Engine seems to misfire a bit when it's cold or damp out
  199. coolant coming out of overflow hose like faucet '97 Eldo
  200. SES Misfiring DTC P0300 My hunch is.....
  201. Oil cooler line leak, 4.6 N*
  202. Tightening time saver and accuracy improved with simple trick
  203. It Happened,the dreaded overheat!
  204. Oil pump - what is the grove and the port for
  205. Any performance parts for the N*?
  206. Intermediate timeing chain shaft - O ring?
  207. 98 Eldo N* 4.6 Overheating
  208. ZEX ordered....
  209. Latest head bolt tightening spec?
  210. Corsa scrwwed me over!
  211. Help with emissions system
  212. Supercharged Northstar
  213. Bbob?? Could you look at this Link?
  214. My water pump belt is dancing around...
  215. Belt Tensioner Condition - Bboby?
  216. Northstar Timing Chain Re-Install & Head Gasket Re-install Feedback........
  217. '98 deville idle
  218. intake kit
  219. WOT advice
  220. SeaFoam Opinions...
  221. GXP-ify my sts?
  222. caprice vs Seville sts
  223. water pump/thermostat crossover housing leaking again
  224. Oil in spark plug chamber, How Bad Is This?
  225. Bizarre Coolant- A/C problem 98 Deville!!!
  226. Anybody got a stock calpack?
  227. Question about climate control.
  228. Remanufactured Northstar Engine
  229. 98 eldo jerking while stopped
  230. Dex Cool.....What going on?
  231. Compression test results 98 Seville
  232. Failed emissions test
  233. just bought 97 eldo std.
  234. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  235. Low Coolant Level
  236. Alternative to Platinum Plugs?
  237. Cylinder rings blown on 18 thousand miles??? (cylinder nr 8 totally w/o compression)
  238. Northstar oilpan
  239. 95 deville blown head gasket
  240. 3 qts oil in 3000 miles?
  241. 5% discount on parts!
  242. Things I should do when changing engines
  243. egr bench test / disassembly ?
  244. '98 cam to waterpump belt
  245. direct flow air filter intake
  246. belt
  247. Transmission Problem Not Sure Need Help Bad!!!!!!!
  248. Dex Cool is eating the gaskets?!!!
  249. 2003 SLS ECM code: DTC "P0300
  250. Cleaning fuel injectors