: Northstar Engines and System Technical Discussion



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  1. Flush/Drain Coolant
  2. Cooling/overheating issue
  3. Code p1189 ????
  4. 97' DeVille Northstar overheating
  5. So, how did N* ended up in a Cadillac's engine bay?
  6. My Exhaust sound...Listen!
  7. Whos idea was it to mount the N* sideways?
  8. 97 deville trouble code help me
  9. Digital MPG read outs
  10. exhaust volume
  11. '01 STS Piston and Ring Replacement
  12. This is a long-shot, just maybe...
  13. A/C issue!!!! again
  14. Turbonator, Tornado????
  15. 96 Deville T.b. And Egr Cleaning
  16. If anyone is interested in buying an Engine
  17. Catalyst melted. Why?
  18. random spring & washer after oil change.
  19. 96 Concours Northstar W/PC0240 Code
  20. New Cluster - Help
  21. Northstar Transplant?
  22. 360 HP reman N*....BBob what's your take?
  23. Gasket blown - other work while there?
  24. Northstar threw a rod, hole in lower block. Rebuildable?
  25. Help
  26. Northstar drinking coolant - need advice
  27. Blown NorthStar
  28. Remove N* eng from top or Pwrtrn out Btm?
  29. car stalls at light ?
  30. So what's wrong with FWD?
  31. Performace Module???
  32. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  33. Cam Position Sensor
  34. Dammm
  35. O2 sensor Question - bboby?
  36. 98 northstar cooling system
  37. 94 Sts A/c Problems Need Help
  38. 97 Deville. P0131 - what does this tell the computere
  39. Kicking coolant out the overflow hose on the surge tank
  40. No coolant supplement pellets available here.
  41. pan seal ??????
  42. Case 1/2 seal Question
  43. 94 Concours Need Help Big Time
  44. 97 Aurora with Northstar engine..Head gasket problem!
  45. transient powertrain "slack" when engaging??
  46. road trip spec's
  47. SELLING my Cadillac Deville DTS ------
  48. new head gasket sealant and bolt sealant
  49. CHANGE OIL message after new WATER PUMP installed
  50. would WOT's get rid of this code?
  51. Midthrottle surge...
  52. schematics 95 SLS water pump
  53. Dead Eldorado
  54. question about mixing of octane at the pump
  55. Using 20w50 oil in N* 99STS
  56. Need help quick - 2000 vs 99 injectors
  57. the STS almost doesnt start...any ideas?
  58. P0171 - P0174
  59. Doing First Tune Up
  60. Transmission service at the dealer?
  61. best choice?
  62. CAT = good and ?
  63. 4 cylinder Northstar - 97 DeVille
  64. RWD N* Project update
  65. 97 STS Cranks but doesn't start - error codes
  66. small tweaks that help or not?
  67. Running ragged p0300....
  68. 97 Deville - Sensor trouble, Running poor
  69. bad dealer
  70. No pressure on hoses
  71. Test for cam position sensors 98+?
  72. stuck at this part
  73. 96 SLS sometimes hard to start
  74. low (or no) oil pressure
  75. 94 Seville not starting
  76. drag strip times
  77. Coil Packs
  78. Rattling catalytic converter on n*
  79. Rear Speed Sensors Disconnected... On Purpose?
  80. N* ring end gap?
  81. 97 deville p420 code
  82. GOT CODES? I DO & IT SUCKS!!
  83. 2000 dhs plugs
  84. cooling fans
  85. Plugs/Wires check! EGR check! Phenolic plates???
  86. mud like residue in surge tank....
  87. seafoam
  88. idle? and mpg?
  89. northstar turbo
  90. '99 STS Temperature Problem ?
  91. No pressure in expansion tank
  92. Spark plug torque N*
  93. what hose do you drain coolant from? top or bottom?
  94. Changing Throttle bodies on my N*? Proceedure!
  95. how much dex cool and distilled water?
  96. 05 STS V8 Oil filter
  97. Best Oil Change Chain?
  98. engine managament/swap in jeep
  99. Forged crankshaft for N*
  100. Need "New" Northstar
  101. LT5 Vs Early Northstar
  102. 96 SLS Electrical Problems?
  103. Headgaskets?
  104. Twin Turbo or Supercharged...
  105. Mobil 5000, Conventional Oil?
  106. How to pull this out ?
  107. Oil leak!
  108. Rebuild bearings
  109. Engine Surge/Hesitate
  110. 2000 STS Spark Plug Thread Repair
  111. Hey BBOB (and others), was the LT1 ever considered
  112. oil change for 2001 cadi deville
  113. Phenolic Spacer Plates
  114. Cranks 5-10 seconds now, what's up?
  115. 96 STS N* squeaky pulley!?!?
  116. Spark Plug Question
  117. Fuel Pressure Check...
  118. Water Pump Tool?
  119. http://www.dragtimes.com/
  120. 99 STS - Blown Head Gaskets
  121. throttle body and egr tubes
  122. 99 Concourse, just going to buy then clonk
  123. Any Temp Seal For Head gaskets??
  124. Wow, this stinks
  125. Oxygen Sensor
  126. my engine on my 98....
  127. What could the problem be????
  128. OBD Codes
  129. Northstar Exhaust acoustic "tuning", Bbobinsky?
  130. '94 Deville n* h2O pipes behind engine rusted out
  131. Map sensor
  132. Help with codes for the Concourse
  133. problems with 94 deville 4.6L
  134. Which Fuel Pressure Regulator?
  135. New Application for the N*
  136. Engine miss
  137. Northstar engine miss
  138. 97 Deville Running poorly Help.
  139. EGR stuck = retarded timing?
  140. What is an MAF, and where can I find it?
  141. Spark Plugs on 94 STS.
  142. WOT, Premium Gas and Service Engine Soon Message
  143. Re: Didn't know where else to post this...
  144. Acetone and the Northstar
  145. whats with the front valve cover???
  146. Theory for Bbob: Fuel grade AGAIN ;)
  147. Need an Honest Opinion on my STS
  148. Plugs and Wires
  149. Missfire sensor
  150. Not head GASKET!
  151. 94 deville intake cover
  152. DIC controlls
  153. superchip
  154. Help my Cadillac Starts by itself
  155. Whats up with this "turbonoter"?
  156. Are there certain northstar engines to stay away from?
  157. 98 Eldo N* Cooling Issues..Now This?
  158. Bad injectors at 50K miles?
  159. Coolant supplement paradox (yeah this again :-)
  160. 95 sts mods
  161. Lifting Fuel Rail
  162. Engine miss when HOT outside.
  163. New Concours owner has PF61 question
  164. Catalytic converter
  165. Need help with O2 sensor.
  166. Just for laughs.....
  167. 94 N* motor pulled tips and ideas
  168. Hesitation
  169. too much money to replace a oil pan gasket
  170. Code PC0138 96 Deville? O2 sensor which one?
  171. Radiator hose looks warped and rubbing against engine...
  172. Transmission Fluid Under Pressure at Cap?
  173. Pcv Valve
  174. 2000 DeVille Waterpump
  175. Oil leak?..Not oil pan!
  176. Time-Serts for 96 N* Eldorado
  177. Rebuidling Heads on 96 Eldorado N* Engine
  178. Rebuilding Heads for 96 Eldorado
  179. MAP Problem?
  180. ECM/PCM Tuning
  181. New Northstar Motor Breakin ??
  182. Never fill up on gas when...
  183. Another overheat thread: '97 Deville N*
  184. Tune Up
  185. Northstar Timing Chains
  186. Do you have a Time-Sert kit, please help ?
  187. blown head or water pump
  188. 1996 Deville Won't Shift Stays in One gear Need Help Serious Techs
  189. Can a Water Pump Be Bad Without Leaking Or Making Noise?
  190. loose power steering rack
  191. Y / 9 What's the Difference?
  192. Blown head gasket repair? 96 deville
  193. 99 STS Starting hard, STALLING..Help!!
  194. Venting Cooling System?? Drill Hole??
  195. COP - Coil over Plug Question
  196. intake plenum bolt
  197. *98 Deville- Coolant in Oil?
  198. Code P076 on 94 STS and hard shifting help!
  199. 96 deville poping and rough running
  200. Tune Up on North*???
  201. Oil misinformation
  202. Just ordered used engine
  203. Honestly, how much interest in S/C or T/C the N*
  204. Cooling fan "on" temp?
  205. Nitrous?
  206. PCV Rattle
  207. Occasional tranny slippage: Shift solenoid???
  208. 93 eldorado northstar stalls out plz help!
  209. Racing Junk heads
  210. My Caddy won't start.....help!!
  211. Northstar TIME-SERT Kit for Sale.....
  212. 1st Self Work on 1994 STS
  213. How many miles can I drive my 1996? Problems will be?
  214. Engine died & no codes?
  215. Plumbing help on 99 STS
  216. WOT vs 4T80E vs. Timing Chain
  217. Exhaust Vids
  218. 99 STS Starting hard then STALLING..Help!!
  219. How did this happen?
  220. overheats sometimes
  221. Heat / AC cover ?
  222. ignition switch
  223. 94 Concours prob. after EGR cleaning P036
  224. 98 STS Motor mount busted
  225. Help with 98 STS part.
  226. Summit Turbo Mufflers?
  227. advice on correct coolant temps for 92 eldorado
  228. Is your N* running bad, hesitating, missing??
  229. Head gasket replacement
  230. Can DIC messages be cleared for good??
  231. Code I039??
  232. blown head gasket
  233. Strange rhythmic vibration 2000 DTS
  234. Electronic Speedometer Display
  235. Blue Devil Engine & Cooling system Sealer!?
  236. Major problems at 80K miles. Is this normal?
  237. Buzzing and ringing...
  238. Performance mod
  239. "flapper door" replacement?
  240. OBDII Programmers
  241. Limp Home what is it??
  242. 99 N doesnt come with factory strut tower bar?
  243. Before And After....(Mufflers)
  244. witch fuse?
  245. Coolant Change 98 Deville
  246. 96 Sedan Deville-Where is the thermostat located
  247. Engine Codes PC0300 & RF2560
  248. Hotrod with the N*
  249. Engine Swap Info
  250. chugging N*