: Northstar Engines and System Technical Discussion



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