: Northstar Engines and System Technical Discussion



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