: Northstar Engines and System Technical Discussion



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  1. new server with past informative posts
  2. Oil Leak Question
  3. service.gm.com username/password
  4. Slipping out of overdrive and P094 code
  5. will 99 n* spark plug wires fit 97 n* ???
  6. Update on my 99' Eldo issues.. and thanks
  7. 97 DeVille Concours low oil pressure stop engine???
  8. sensor names?!?!?!
  9. Cost of rebuilding transmission?
  10. 99 STS Engine Temp Sensor problem
  11. New Owner, 97 Eldo, A Few Thoughts And Questions
  12. what is the conditioner called to add to the radiator coolant??
  13. Toyota MR2 powered by...Northstar
  14. Northstar Twin Turbo...
  15. A helicopter powered by...Northstar engine
  16. A guy with TWO N* engines in his Caddy...The TwinStar
  17. A guy with a turbocharged Northstar powered Fiero...
  18. Found: Northstar Engine Info:
  19. Hi, new here with q on a 99 Eld.
  20. Running Rich?????
  21. Spark Plug Replacement
  22. Cooling System Hoses
  23. 95 STS Crank sensor,location ??? help
  24. engine braking a la overrun clutch
  25. Best Price/ Dealer for Time-serts?
  26. Looking for Northstar Parts!
  27. accuracy of temp sensor???? please help
  28. Oil Seal Tool ?
  29. Help need info.
  30. 94 Caddy Concours Tranny/Linkage?
  31. Need help with '94 STS codes
  32. P022 code TPS open
  33. where can i buy rear control arm bushings?
  34. Replacing Timeserts in 96 Eldorado
  35. N* hp over the years...
  36. Installing Oil Pressure Gauge???
  37. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  38. 97 DeVille Concours still runnin hot
  39. HELP! Need serpentine belt diagram
  40. Vacuum pressure
  41. old engine, bad engine?
  42. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  43. P0609 - help
  44. Shift Solenoids A & B, Need some Help!
  45. What do these codes mean in plain english ?
  46. N* performance help
  47. Northstar stud problem
  48. Noisy Northstar
  49. northstar swap?
  50. Transmission NIGHTMARE
  51. '94 SLS, 4.6L, how do you set the cam alignment?
  52. 1993 Eldo...ALL THE OIL CAME OUT
  53. what engine years will fit my 94 sls?
  54. A question on diagnostic codes
  55. tires for 99 STS??
  56. taking off oil pan?
  57. Update on PCM gone Loco
  58. Overheating: correct diagnostics
  59. N* Power Steering Pump Pressurizing
  60. 95 Northstart Leaking Coolant
  61. What next? PCM shot or something I'm missing? Please help.
  62. Oil Pressure Drop on V8 NS
  63. looking for some new ideas and help with northstar motor
  64. Backfire and smoke under the Hood
  65. Northstar/HotRod/Blower
  66. 1996 ESC 40K, Does Trans-fluid need changing?
  67. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  68. Code Question for a 2000 deville north*.
  69. Can I swap an 02 N*into my 98 STS?
  70. Sorry Caddy Dudes!
  71. 97 N* low oil pressure light flickering
  72. 1996 Northstar Excess Fuel Consumption
  73. 94 SLS questions
  74. Northstar Swap question
  75. Can someone tell me what these codes mean?
  76. p076 presure solenoid problem
  77. northstar oil consumtion
  78. Compass reads incorrect sometimes?
  79. "Normal" Northstar Coolant Operating Temp?
  80. 1999 Deville trouble codes
  81. 97 STS Code Info U1027
  82. supercharger for the Northstar
  83. Radiator leak...how much $$$?
  84. '94 SLS Head bolt Torque value?
  85. stalling
  86. 4T80E shift algorhythm logic -- what are the facts?
  87. Oil Leak
  88. Overfill oil in northstar, keep reading bad stuff
  89. Changed starter, now very hard start, run, white smoke.
  90. '94 STS rattle
  91. '94 SLS smoking bad
  92. Bad idle and deacceleration
  93. '94 DeVille Concours North*
  94. Factory air intake box question
  95. Stop Engine Low Oil Presssure
  96. Northstar losing oil
  97. Pcm Gone Loco?
  98. Concours '94 Problem
  99. P 025 code - 1995 STS
  100. Headgasket/temperatute swings
  101. Help with ACM codes please.
  102. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  103. Exhaust manifold on N* 4.6
  104. Ect???
  105. 95 SLS Ruff Start (metal on metal)
  106. Gas Pedal Tapping When Engine Shut's Off
  107. 1995 Eldorado Northstar Engine Skips
  108. 99SLS Ruff idle when started
  109. 94 sts spark Plugs
  110. Shift Solenoid Problem help!!!!
  111. Would Magnaflows help MPG?
  112. Intake manifold gasket replacement...special tool?
  113. Factory Service Manual
  114. Oil change at 3K or when oil life=10%?
  115. blown head gasket
  116. Oil Life Monitor
  117. 95 NS chip burner
  118. If anyone needs a N* Deville & Protection
  119. Northstar overheating!
  120. 94 Seville STS service
  121. N* Headbolt Torque
  122. Quick code help please
  123. 97 n* rough idle
  124. Cylinder pressure test unsuccessful-missing something?
  125. O2 Sensors for 97 STS
  126. temp for n*
  127. Drumming up support...
  128. mechanic recommends oil additive
  129. How to turn engine to TDC w/ plugs out
  130. 1994 Concours exhaust diameter
  131. misfires @ idle & WOT, no codes
  132. Why Does My Engine Shift very Hard when hot? (No Codes)
  133. Raring to go
  134. NorthStar Oil leak
  135. How to air pressure test cylinder?
  136. 4t80e no codes, limp mode
  137. Where can i find a cheap N*
  138. Sounds that a N* engine bay should make
  139. Slight Fuel smell on startup.
  140. Need TSB 3179 and info on Service PROM
  141. intermittent chirping under the hood, at poweroff...
  142. N* Headbolt Torque Protocol
  143. life of Northstar?
  144. plug the plug or leave it open
  145. WTF Belt tensionner squeel?!?
  146. I Have a Question about my transmission fluid?
  147. Flush/Drain Coolant
  148. Cooling/overheating issue
  149. Code p1189 ????
  150. 97' DeVille Northstar overheating
  151. So, how did N* ended up in a Cadillac's engine bay?
  152. My Exhaust sound...Listen!
  153. Whos idea was it to mount the N* sideways?
  154. 97 deville trouble code help me
  155. Digital MPG read outs
  156. exhaust volume
  157. '01 STS Piston and Ring Replacement
  158. This is a long-shot, just maybe...
  159. A/C issue!!!! again
  160. Turbonator, Tornado????
  161. 96 Deville T.b. And Egr Cleaning
  162. If anyone is interested in buying an Engine
  163. Catalyst melted. Why?
  164. random spring & washer after oil change.
  165. 96 Concours Northstar W/PC0240 Code
  166. New Cluster - Help
  167. Northstar Transplant?
  168. 360 HP reman N*....BBob what's your take?
  169. Gasket blown - other work while there?
  170. Northstar threw a rod, hole in lower block. Rebuildable?
  171. Help
  172. Northstar drinking coolant - need advice
  173. Blown NorthStar
  174. Remove N* eng from top or Pwrtrn out Btm?
  175. car stalls at light ?
  176. So what's wrong with FWD?
  177. Performace Module???
  178. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  179. Cam Position Sensor
  180. Dammm
  181. O2 sensor Question - bboby?
  182. 98 northstar cooling system
  183. 94 Sts A/c Problems Need Help
  184. 97 Deville. P0131 - what does this tell the computere
  185. Kicking coolant out the overflow hose on the surge tank
  186. No coolant supplement pellets available here.
  187. pan seal ??????
  188. Case 1/2 seal Question
  189. 94 Concours Need Help Big Time
  190. 97 Aurora with Northstar engine..Head gasket problem!
  191. transient powertrain "slack" when engaging??
  192. road trip spec's
  193. SELLING my Cadillac Deville DTS ------
  194. new head gasket sealant and bolt sealant
  195. CHANGE OIL message after new WATER PUMP installed
  196. would WOT's get rid of this code?
  197. Midthrottle surge...
  198. schematics 95 SLS water pump
  199. Dead Eldorado
  200. question about mixing of octane at the pump
  201. Using 20w50 oil in N* 99STS
  202. Need help quick - 2000 vs 99 injectors
  203. the STS almost doesnt start...any ideas?
  204. P0171 - P0174
  205. Doing First Tune Up
  206. Transmission service at the dealer?
  207. best choice?
  208. CAT = good and ?
  209. 4 cylinder Northstar - 97 DeVille
  210. RWD N* Project update
  211. 97 STS Cranks but doesn't start - error codes
  212. small tweaks that help or not?
  213. Running ragged p0300....
  214. 97 Deville - Sensor trouble, Running poor
  215. bad dealer
  216. No pressure on hoses
  217. Test for cam position sensors 98+?
  218. stuck at this part
  219. 96 SLS sometimes hard to start
  220. low (or no) oil pressure
  221. 94 Seville not starting
  222. drag strip times
  223. Coil Packs
  224. Rattling catalytic converter on n*
  225. Rear Speed Sensors Disconnected... On Purpose?
  226. N* ring end gap?
  227. 97 deville p420 code
  228. GOT CODES? I DO & IT SUCKS!!
  229. 2000 dhs plugs
  230. cooling fans
  231. Plugs/Wires check! EGR check! Phenolic plates???
  232. mud like residue in surge tank....
  233. seafoam
  234. idle? and mpg?
  235. northstar turbo
  236. '99 STS Temperature Problem ?
  237. No pressure in expansion tank
  238. Spark plug torque N*
  239. what hose do you drain coolant from? top or bottom?
  240. Changing Throttle bodies on my N*? Proceedure!
  241. how much dex cool and distilled water?
  242. 05 STS V8 Oil filter
  243. Best Oil Change Chain?
  244. engine managament/swap in jeep
  245. Forged crankshaft for N*
  246. Need "New" Northstar
  247. LT5 Vs Early Northstar
  248. 96 SLS Electrical Problems?
  249. Headgaskets?
  250. Twin Turbo or Supercharged...