: Northstar Engines and System Technical Discussion



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