: Northstar Engines and System Technical Discussion



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  1. random spring & washer after oil change.
  2. 96 Concours Northstar W/PC0240 Code
  3. New Cluster - Help
  4. Northstar Transplant?
  5. 360 HP reman N*....BBob what's your take?
  6. Gasket blown - other work while there?
  7. Northstar threw a rod, hole in lower block. Rebuildable?
  8. Help
  9. Northstar drinking coolant - need advice
  10. Blown NorthStar
  11. Remove N* eng from top or Pwrtrn out Btm?
  12. car stalls at light ?
  13. So what's wrong with FWD?
  14. Performace Module???
  15. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  16. Cam Position Sensor
  17. Dammm
  18. O2 sensor Question - bboby?
  19. 98 northstar cooling system
  20. 94 Sts A/c Problems Need Help
  21. 97 Deville. P0131 - what does this tell the computere
  22. Kicking coolant out the overflow hose on the surge tank
  23. No coolant supplement pellets available here.
  24. pan seal ??????
  25. Case 1/2 seal Question
  26. 94 Concours Need Help Big Time
  27. 97 Aurora with Northstar engine..Head gasket problem!
  28. transient powertrain "slack" when engaging??
  29. road trip spec's
  30. SELLING my Cadillac Deville DTS ------
  31. new head gasket sealant and bolt sealant
  32. CHANGE OIL message after new WATER PUMP installed
  33. would WOT's get rid of this code?
  34. Midthrottle surge...
  35. schematics 95 SLS water pump
  36. Dead Eldorado
  37. question about mixing of octane at the pump
  38. Using 20w50 oil in N* 99STS
  39. Need help quick - 2000 vs 99 injectors
  40. the STS almost doesnt start...any ideas?
  41. P0171 - P0174
  42. Doing First Tune Up
  43. Transmission service at the dealer?
  44. best choice?
  45. CAT = good and ?
  46. 4 cylinder Northstar - 97 DeVille
  47. RWD N* Project update
  48. 97 STS Cranks but doesn't start - error codes
  49. small tweaks that help or not?
  50. Running ragged p0300....
  51. 97 Deville - Sensor trouble, Running poor
  52. bad dealer
  53. No pressure on hoses
  54. Test for cam position sensors 98+?
  55. stuck at this part
  56. 96 SLS sometimes hard to start
  57. low (or no) oil pressure
  58. 94 Seville not starting
  59. drag strip times
  60. Coil Packs
  61. Rattling catalytic converter on n*
  62. Rear Speed Sensors Disconnected... On Purpose?
  63. N* ring end gap?
  64. 97 deville p420 code
  65. GOT CODES? I DO & IT SUCKS!!
  66. 2000 dhs plugs
  67. cooling fans
  68. Plugs/Wires check! EGR check! Phenolic plates???
  69. mud like residue in surge tank....
  70. seafoam
  71. idle? and mpg?
  72. northstar turbo
  73. '99 STS Temperature Problem ?
  74. No pressure in expansion tank
  75. Spark plug torque N*
  76. what hose do you drain coolant from? top or bottom?
  77. Changing Throttle bodies on my N*? Proceedure!
  78. how much dex cool and distilled water?
  79. 05 STS V8 Oil filter
  80. Best Oil Change Chain?
  81. engine managament/swap in jeep
  82. Forged crankshaft for N*
  83. Need "New" Northstar
  84. LT5 Vs Early Northstar
  85. 96 SLS Electrical Problems?
  86. Headgaskets?
  87. Twin Turbo or Supercharged...
  88. Mobil 5000, Conventional Oil?
  89. How to pull this out ?
  90. Oil leak!
  91. Rebuild bearings
  92. Engine Surge/Hesitate
  93. 2000 STS Spark Plug Thread Repair
  94. Hey BBOB (and others), was the LT1 ever considered
  95. oil change for 2001 cadi deville
  96. Phenolic Spacer Plates
  97. Cranks 5-10 seconds now, what's up?
  98. 96 STS N* squeaky pulley!?!?
  99. Spark Plug Question
  100. Fuel Pressure Check...
  101. Water Pump Tool?
  102. http://www.dragtimes.com/
  103. 99 STS - Blown Head Gaskets
  104. throttle body and egr tubes
  105. 99 Concourse, just going to buy then clonk
  106. Any Temp Seal For Head gaskets??
  107. Wow, this stinks
  108. Oxygen Sensor
  109. my engine on my 98....
  110. What could the problem be????
  111. OBD Codes
  112. Northstar Exhaust acoustic "tuning", Bbobinsky?
  113. '94 Deville n* h2O pipes behind engine rusted out
  114. Map sensor
  115. Help with codes for the Concourse
  116. problems with 94 deville 4.6L
  117. Which Fuel Pressure Regulator?
  118. New Application for the N*
  119. Engine miss
  120. Northstar engine miss
  121. 97 Deville Running poorly Help.
  122. EGR stuck = retarded timing?
  123. What is an MAF, and where can I find it?
  124. Spark Plugs on 94 STS.
  125. WOT, Premium Gas and Service Engine Soon Message
  126. Re: Didn't know where else to post this...
  127. Acetone and the Northstar
  128. whats with the front valve cover???
  129. Theory for Bbob: Fuel grade AGAIN ;)
  130. Need an Honest Opinion on my STS
  131. Plugs and Wires
  132. Missfire sensor
  133. Not head GASKET!
  134. 94 deville intake cover
  135. DIC controlls
  136. superchip
  137. Help my Cadillac Starts by itself
  138. Whats up with this "turbonoter"?
  139. Are there certain northstar engines to stay away from?
  140. 98 Eldo N* Cooling Issues..Now This?
  141. Bad injectors at 50K miles?
  142. Coolant supplement paradox (yeah this again :-)
  143. 95 sts mods
  144. Lifting Fuel Rail
  145. Engine miss when HOT outside.
  146. New Concours owner has PF61 question
  147. Catalytic converter
  148. Need help with O2 sensor.
  149. Just for laughs.....
  150. 94 N* motor pulled tips and ideas
  151. Hesitation
  152. too much money to replace a oil pan gasket
  153. Code PC0138 96 Deville? O2 sensor which one?
  154. Radiator hose looks warped and rubbing against engine...
  155. Transmission Fluid Under Pressure at Cap?
  156. Pcv Valve
  157. 2000 DeVille Waterpump
  158. Oil leak?..Not oil pan!
  159. Time-Serts for 96 N* Eldorado
  160. Rebuidling Heads on 96 Eldorado N* Engine
  161. Rebuilding Heads for 96 Eldorado
  162. MAP Problem?
  163. ECM/PCM Tuning
  164. New Northstar Motor Breakin ??
  165. Never fill up on gas when...
  166. Another overheat thread: '97 Deville N*
  167. Tune Up
  168. Northstar Timing Chains
  169. Do you have a Time-Sert kit, please help ?
  170. blown head or water pump
  171. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  172. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  173. loose power steering rack
  174. Y / 9 What's the Difference?
  175. Blown head gasket repair? 96 deville
  176. 99 STS Starting hard, STALLING..Help!!
  177. Venting Cooling System?? Drill Hole??
  178. COP - Coil over Plug Question
  179. intake plenum bolt
  180. *98 Deville- Coolant in Oil?
  181. Code P076 on 94 STS and hard shifting help!
  182. 96 deville poping and rough running
  183. Tune Up on North*???
  184. Oil misinformation
  185. Just ordered used engine
  186. Honestly, how much interest in S/C or T/C the N*
  187. Cooling fan "on" temp?
  188. Nitrous?
  189. PCV Rattle
  190. Occasional tranny slippage: Shift solenoid???
  191. 93 eldorado northstar stalls out plz help!
  192. Racing Junk heads
  193. My Caddy won't start.....help!!
  194. Northstar TIME-SERT Kit for Sale.....
  195. 1st Self Work on 1994 STS
  196. How many miles can I drive my 1996? Problems will be?
  197. Engine died & no codes?
  198. Plumbing help on 99 STS
  199. WOT vs 4T80E vs. Timing Chain
  200. Exhaust Vids
  201. 99 STS Starting hard then STALLING..Help!!
  202. How did this happen?
  203. overheats sometimes
  204. Heat / AC cover ?
  205. ignition switch
  206. 94 Concours prob. after EGR cleaning P036
  207. 98 STS Motor mount busted
  208. Help with 98 STS part.
  209. Summit Turbo Mufflers?
  210. advice on correct coolant temps for 92 eldorado
  211. Is your N* running bad, hesitating, missing??
  212. Head gasket replacement
  213. Can DIC messages be cleared for good??
  214. Code I039??
  215. blown head gasket
  216. Strange rhythmic vibration 2000 DTS
  217. Electronic Speedometer Display
  218. Blue Devil Engine & Cooling system Sealer!?
  219. Major problems at 80K miles. Is this normal?
  220. Buzzing and ringing...
  221. Performance mod
  222. "flapper door" replacement?
  223. OBDII Programmers
  224. Limp Home what is it??
  225. 99 N doesnt come with factory strut tower bar?
  226. Before And After....(Mufflers)
  227. witch fuse?
  228. Coolant Change 98 Deville
  229. 96 Sedan Deville-Where is the thermostat located
  230. Engine Codes PC0300 & RF2560
  231. Hotrod with the N*
  232. Engine Swap Info
  233. chugging N*
  234. OK, tired of Headgasket worry...
  235. 96 SLS burning oil like it's gas
  236. Remove the water pump pulley
  237. Tool to remove the water pump pulley
  238. 95 Deville Oil Presure
  239. engine died
  240. Tune Up Time!
  241. 97eldo Need Help
  242. missing bolts on side of oilpan and A-frame...
  243. Torque strut removal and "engine tilt"
  244. Thread inserts?
  245. Can you use 10W-40 in a Northstar
  246. Are AC/Delco parts available only at the dealer?
  247. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  248. How do you properly use pellets? Northstar
  249. Engine seems to misfire a bit when it's cold or damp out
  250. coolant coming out of overflow hose like faucet '97 Eldo