: Northstar Engines and System Technical Discussion



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  1. Blown NorthStar
  2. Remove N* eng from top or Pwrtrn out Btm?
  3. car stalls at light ?
  4. So what's wrong with FWD?
  5. Performace Module???
  6. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  7. Cam Position Sensor
  8. Dammm
  9. O2 sensor Question - bboby?
  10. 98 northstar cooling system
  11. 94 Sts A/c Problems Need Help
  12. 97 Deville. P0131 - what does this tell the computere
  13. Kicking coolant out the overflow hose on the surge tank
  14. No coolant supplement pellets available here.
  15. pan seal ??????
  16. Case 1/2 seal Question
  17. 94 Concours Need Help Big Time
  18. 97 Aurora with Northstar engine..Head gasket problem!
  19. transient powertrain "slack" when engaging??
  20. road trip spec's
  21. SELLING my Cadillac Deville DTS ------
  22. new head gasket sealant and bolt sealant
  23. CHANGE OIL message after new WATER PUMP installed
  24. would WOT's get rid of this code?
  25. Midthrottle surge...
  26. schematics 95 SLS water pump
  27. Dead Eldorado
  28. question about mixing of octane at the pump
  29. Using 20w50 oil in N* 99STS
  30. Need help quick - 2000 vs 99 injectors
  31. the STS almost doesnt start...any ideas?
  32. P0171 - P0174
  33. Doing First Tune Up
  34. Transmission service at the dealer?
  35. best choice?
  36. CAT = good and ?
  37. 4 cylinder Northstar - 97 DeVille
  38. RWD N* Project update
  39. 97 STS Cranks but doesn't start - error codes
  40. small tweaks that help or not?
  41. Running ragged p0300....
  42. 97 Deville - Sensor trouble, Running poor
  43. bad dealer
  44. No pressure on hoses
  45. Test for cam position sensors 98+?
  46. stuck at this part
  47. 96 SLS sometimes hard to start
  48. low (or no) oil pressure
  49. 94 Seville not starting
  50. drag strip times
  51. Coil Packs
  52. Rattling catalytic converter on n*
  53. Rear Speed Sensors Disconnected... On Purpose?
  54. N* ring end gap?
  55. 97 deville p420 code
  56. GOT CODES? I DO & IT SUCKS!!
  57. 2000 dhs plugs
  58. cooling fans
  59. Plugs/Wires check! EGR check! Phenolic plates???
  60. mud like residue in surge tank....
  61. seafoam
  62. idle? and mpg?
  63. northstar turbo
  64. '99 STS Temperature Problem ?
  65. No pressure in expansion tank
  66. Spark plug torque N*
  67. what hose do you drain coolant from? top or bottom?
  68. Changing Throttle bodies on my N*? Proceedure!
  69. how much dex cool and distilled water?
  70. 05 STS V8 Oil filter
  71. Best Oil Change Chain?
  72. engine managament/swap in jeep
  73. Forged crankshaft for N*
  74. Need "New" Northstar
  75. LT5 Vs Early Northstar
  76. 96 SLS Electrical Problems?
  77. Headgaskets?
  78. Twin Turbo or Supercharged...
  79. Mobil 5000, Conventional Oil?
  80. How to pull this out ?
  81. Oil leak!
  82. Rebuild bearings
  83. Engine Surge/Hesitate
  84. 2000 STS Spark Plug Thread Repair
  85. Hey BBOB (and others), was the LT1 ever considered
  86. oil change for 2001 cadi deville
  87. Phenolic Spacer Plates
  88. Cranks 5-10 seconds now, what's up?
  89. 96 STS N* squeaky pulley!?!?
  90. Spark Plug Question
  91. Fuel Pressure Check...
  92. Water Pump Tool?
  93. http://www.dragtimes.com/
  94. 99 STS - Blown Head Gaskets
  95. throttle body and egr tubes
  96. 99 Concourse, just going to buy then clonk
  97. Any Temp Seal For Head gaskets??
  98. Wow, this stinks
  99. Oxygen Sensor
  100. my engine on my 98....
  101. What could the problem be????
  102. OBD Codes
  103. Northstar Exhaust acoustic "tuning", Bbobinsky?
  104. '94 Deville n* h2O pipes behind engine rusted out
  105. Map sensor
  106. Help with codes for the Concourse
  107. problems with 94 deville 4.6L
  108. Which Fuel Pressure Regulator?
  109. New Application for the N*
  110. Engine miss
  111. Northstar engine miss
  112. 97 Deville Running poorly Help.
  113. EGR stuck = retarded timing?
  114. What is an MAF, and where can I find it?
  115. Spark Plugs on 94 STS.
  116. WOT, Premium Gas and Service Engine Soon Message
  117. Re: Didn't know where else to post this...
  118. Acetone and the Northstar
  119. whats with the front valve cover???
  120. Theory for Bbob: Fuel grade AGAIN ;)
  121. Need an Honest Opinion on my STS
  122. Plugs and Wires
  123. Missfire sensor
  124. Not head GASKET!
  125. 94 deville intake cover
  126. DIC controlls
  127. superchip
  128. Help my Cadillac Starts by itself
  129. Whats up with this "turbonoter"?
  130. Are there certain northstar engines to stay away from?
  131. 98 Eldo N* Cooling Issues..Now This?
  132. Bad injectors at 50K miles?
  133. Coolant supplement paradox (yeah this again :-)
  134. 95 sts mods
  135. Lifting Fuel Rail
  136. Engine miss when HOT outside.
  137. New Concours owner has PF61 question
  138. Catalytic converter
  139. Need help with O2 sensor.
  140. Just for laughs.....
  141. 94 N* motor pulled tips and ideas
  142. Hesitation
  143. too much money to replace a oil pan gasket
  144. Code PC0138 96 Deville? O2 sensor which one?
  145. Radiator hose looks warped and rubbing against engine...
  146. Transmission Fluid Under Pressure at Cap?
  147. Pcv Valve
  148. 2000 DeVille Waterpump
  149. Oil leak?..Not oil pan!
  150. Time-Serts for 96 N* Eldorado
  151. Rebuidling Heads on 96 Eldorado N* Engine
  152. Rebuilding Heads for 96 Eldorado
  153. MAP Problem?
  154. ECM/PCM Tuning
  155. New Northstar Motor Breakin ??
  156. Never fill up on gas when...
  157. Another overheat thread: '97 Deville N*
  158. Tune Up
  159. Northstar Timing Chains
  160. Do you have a Time-Sert kit, please help ?
  161. blown head or water pump
  162. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  163. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  164. loose power steering rack
  165. Y / 9 What's the Difference?
  166. Blown head gasket repair? 96 deville
  167. 99 STS Starting hard, STALLING..Help!!
  168. Venting Cooling System?? Drill Hole??
  169. COP - Coil over Plug Question
  170. intake plenum bolt
  171. *98 Deville- Coolant in Oil?
  172. Code P076 on 94 STS and hard shifting help!
  173. 96 deville poping and rough running
  174. Tune Up on North*???
  175. Oil misinformation
  176. Just ordered used engine
  177. Honestly, how much interest in S/C or T/C the N*
  178. Cooling fan "on" temp?
  179. Nitrous?
  180. PCV Rattle
  181. Occasional tranny slippage: Shift solenoid???
  182. 93 eldorado northstar stalls out plz help!
  183. Racing Junk heads
  184. My Caddy won't start.....help!!
  185. Northstar TIME-SERT Kit for Sale.....
  186. 1st Self Work on 1994 STS
  187. How many miles can I drive my 1996? Problems will be?
  188. Engine died & no codes?
  189. Plumbing help on 99 STS
  190. WOT vs 4T80E vs. Timing Chain
  191. Exhaust Vids
  192. 99 STS Starting hard then STALLING..Help!!
  193. How did this happen?
  194. overheats sometimes
  195. Heat / AC cover ?
  196. ignition switch
  197. 94 Concours prob. after EGR cleaning P036
  198. 98 STS Motor mount busted
  199. Help with 98 STS part.
  200. Summit Turbo Mufflers?
  201. advice on correct coolant temps for 92 eldorado
  202. Is your N* running bad, hesitating, missing??
  203. Head gasket replacement
  204. Can DIC messages be cleared for good??
  205. Code I039??
  206. blown head gasket
  207. Strange rhythmic vibration 2000 DTS
  208. Electronic Speedometer Display
  209. Blue Devil Engine & Cooling system Sealer!?
  210. Major problems at 80K miles. Is this normal?
  211. Buzzing and ringing...
  212. Performance mod
  213. "flapper door" replacement?
  214. OBDII Programmers
  215. Limp Home what is it??
  216. 99 N doesnt come with factory strut tower bar?
  217. Before And After....(Mufflers)
  218. witch fuse?
  219. Coolant Change 98 Deville
  220. 96 Sedan Deville-Where is the thermostat located
  221. Engine Codes PC0300 & RF2560
  222. Hotrod with the N*
  223. Engine Swap Info
  224. chugging N*
  225. OK, tired of Headgasket worry...
  226. 96 SLS burning oil like it's gas
  227. Remove the water pump pulley
  228. Tool to remove the water pump pulley
  229. 95 Deville Oil Presure
  230. engine died
  231. Tune Up Time!
  232. 97eldo Need Help
  233. missing bolts on side of oilpan and A-frame...
  234. Torque strut removal and "engine tilt"
  235. Thread inserts?
  236. Can you use 10W-40 in a Northstar
  237. Are AC/Delco parts available only at the dealer?
  238. '98 Deville Rough Idle, Shaking, Stuttering Under Acceleration
  239. How do you properly use pellets? Northstar
  240. Engine seems to misfire a bit when it's cold or damp out
  241. coolant coming out of overflow hose like faucet '97 Eldo
  242. SES Misfiring DTC P0300 My hunch is.....
  243. Oil cooler line leak, 4.6 N*
  244. Tightening time saver and accuracy improved with simple trick
  245. It Happened,the dreaded overheat!
  246. Oil pump - what is the grove and the port for
  247. Any performance parts for the N*?
  248. Intermediate timeing chain shaft - O ring?
  249. 98 Eldo N* 4.6 Overheating
  250. ZEX ordered....