: Northstar Engines and System Technical Discussion



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