: Northstar Engines and System Technical Discussion



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  1. will 99 n* spark plug wires fit 97 n* ???
  2. Update on my 99' Eldo issues.. and thanks
  3. 97 DeVille Concours low oil pressure stop engine???
  4. sensor names?!?!?!
  5. Cost of rebuilding transmission?
  6. 99 STS Engine Temp Sensor problem
  7. New Owner, 97 Eldo, A Few Thoughts And Questions
  8. what is the conditioner called to add to the radiator coolant??
  9. Toyota MR2 powered by...Northstar
  10. Northstar Twin Turbo...
  11. A helicopter powered by...Northstar engine
  12. A guy with TWO N* engines in his Caddy...The TwinStar
  13. A guy with a turbocharged Northstar powered Fiero...
  14. Found: Northstar Engine Info:
  15. Hi, new here with q on a 99 Eld.
  16. Running Rich?????
  17. Spark Plug Replacement
  18. Cooling System Hoses
  19. 95 STS Crank sensor,location ??? help
  20. engine braking a la overrun clutch
  21. Best Price/ Dealer for Time-serts?
  22. Looking for Northstar Parts!
  23. accuracy of temp sensor???? please help
  24. Oil Seal Tool ?
  25. Help need info.
  26. 94 Caddy Concours Tranny/Linkage?
  27. Need help with '94 STS codes
  28. P022 code TPS open
  29. where can i buy rear control arm bushings?
  30. Replacing Timeserts in 96 Eldorado
  31. N* hp over the years...
  32. Installing Oil Pressure Gauge???
  33. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  34. 97 DeVille Concours still runnin hot
  35. HELP! Need serpentine belt diagram
  36. Vacuum pressure
  37. old engine, bad engine?
  38. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  39. P0609 - help
  40. Shift Solenoids A & B, Need some Help!
  41. What do these codes mean in plain english ?
  42. N* performance help
  43. Northstar stud problem
  44. Noisy Northstar
  45. northstar swap?
  46. Transmission NIGHTMARE
  47. '94 SLS, 4.6L, how do you set the cam alignment?
  48. 1993 Eldo...ALL THE OIL CAME OUT
  49. what engine years will fit my 94 sls?
  50. A question on diagnostic codes
  51. tires for 99 STS??
  52. taking off oil pan?
  53. Update on PCM gone Loco
  54. Overheating: correct diagnostics
  55. N* Power Steering Pump Pressurizing
  56. 95 Northstart Leaking Coolant
  57. What next? PCM shot or something I'm missing? Please help.
  58. Oil Pressure Drop on V8 NS
  59. looking for some new ideas and help with northstar motor
  60. Backfire and smoke under the Hood
  61. Northstar/HotRod/Blower
  62. 1996 ESC 40K, Does Trans-fluid need changing?
  63. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  64. Code Question for a 2000 deville north*.
  65. Can I swap an 02 N*into my 98 STS?
  66. Sorry Caddy Dudes!
  67. 97 N* low oil pressure light flickering
  68. 1996 Northstar Excess Fuel Consumption
  69. 94 SLS questions
  70. Northstar Swap question
  71. Can someone tell me what these codes mean?
  72. p076 presure solenoid problem
  73. northstar oil consumtion
  74. Compass reads incorrect sometimes?
  75. "Normal" Northstar Coolant Operating Temp?
  76. 1999 Deville trouble codes
  77. 97 STS Code Info U1027
  78. supercharger for the Northstar
  79. Radiator leak...how much $$$?
  80. '94 SLS Head bolt Torque value?
  81. stalling
  82. 4T80E shift algorhythm logic -- what are the facts?
  83. Oil Leak
  84. Overfill oil in northstar, keep reading bad stuff
  85. Changed starter, now very hard start, run, white smoke.
  86. '94 STS rattle
  87. '94 SLS smoking bad
  88. Bad idle and deacceleration
  89. '94 DeVille Concours North*
  90. Factory air intake box question
  91. Stop Engine Low Oil Presssure
  92. Northstar losing oil
  93. Pcm Gone Loco?
  94. Concours '94 Problem
  95. P 025 code - 1995 STS
  96. Headgasket/temperatute swings
  97. Help with ACM codes please.
  98. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  99. Exhaust manifold on N* 4.6
  100. Ect???
  101. 95 SLS Ruff Start (metal on metal)
  102. Gas Pedal Tapping When Engine Shut's Off
  103. 1995 Eldorado Northstar Engine Skips
  104. 99SLS Ruff idle when started
  105. 94 sts spark Plugs
  106. Shift Solenoid Problem help!!!!
  107. Would Magnaflows help MPG?
  108. Intake manifold gasket replacement...special tool?
  109. Factory Service Manual
  110. Oil change at 3K or when oil life=10%?
  111. blown head gasket
  112. Oil Life Monitor
  113. 95 NS chip burner
  114. If anyone needs a N* Deville & Protection
  115. Northstar overheating!
  116. 94 Seville STS service
  117. N* Headbolt Torque
  118. Quick code help please
  119. 97 n* rough idle
  120. Cylinder pressure test unsuccessful-missing something?
  121. O2 Sensors for 97 STS
  122. temp for n*
  123. Drumming up support...
  124. mechanic recommends oil additive
  125. How to turn engine to TDC w/ plugs out
  126. 1994 Concours exhaust diameter
  127. misfires @ idle & WOT, no codes
  128. Why Does My Engine Shift very Hard when hot? (No Codes)
  129. Raring to go
  130. NorthStar Oil leak
  131. How to air pressure test cylinder?
  132. 4t80e no codes, limp mode
  133. Where can i find a cheap N*
  134. Sounds that a N* engine bay should make
  135. Slight Fuel smell on startup.
  136. Need TSB 3179 and info on Service PROM
  137. intermittent chirping under the hood, at poweroff...
  138. N* Headbolt Torque Protocol
  139. life of Northstar?
  140. plug the plug or leave it open
  141. WTF Belt tensionner squeel?!?
  142. I Have a Question about my transmission fluid?
  143. Flush/Drain Coolant
  144. Cooling/overheating issue
  145. Code p1189 ????
  146. 97' DeVille Northstar overheating
  147. So, how did N* ended up in a Cadillac's engine bay?
  148. My Exhaust sound...Listen!
  149. Whos idea was it to mount the N* sideways?
  150. 97 deville trouble code help me
  151. Digital MPG read outs
  152. exhaust volume
  153. '01 STS Piston and Ring Replacement
  154. This is a long-shot, just maybe...
  155. A/C issue!!!! again
  156. Turbonator, Tornado????
  157. 96 Deville T.b. And Egr Cleaning
  158. If anyone is interested in buying an Engine
  159. Catalyst melted. Why?
  160. random spring & washer after oil change.
  161. 96 Concours Northstar W/PC0240 Code
  162. New Cluster - Help
  163. Northstar Transplant?
  164. 360 HP reman N*....BBob what's your take?
  165. Gasket blown - other work while there?
  166. Northstar threw a rod, hole in lower block. Rebuildable?
  167. Help
  168. Northstar drinking coolant - need advice
  169. Blown NorthStar
  170. Remove N* eng from top or Pwrtrn out Btm?
  171. car stalls at light ?
  172. So what's wrong with FWD?
  173. Performace Module???
  174. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  175. Cam Position Sensor
  176. Dammm
  177. O2 sensor Question - bboby?
  178. 98 northstar cooling system
  179. 94 Sts A/c Problems Need Help
  180. 97 Deville. P0131 - what does this tell the computere
  181. Kicking coolant out the overflow hose on the surge tank
  182. No coolant supplement pellets available here.
  183. pan seal ??????
  184. Case 1/2 seal Question
  185. 94 Concours Need Help Big Time
  186. 97 Aurora with Northstar engine..Head gasket problem!
  187. transient powertrain "slack" when engaging??
  188. road trip spec's
  189. SELLING my Cadillac Deville DTS ------
  190. new head gasket sealant and bolt sealant
  191. CHANGE OIL message after new WATER PUMP installed
  192. would WOT's get rid of this code?
  193. Midthrottle surge...
  194. schematics 95 SLS water pump
  195. Dead Eldorado
  196. question about mixing of octane at the pump
  197. Using 20w50 oil in N* 99STS
  198. Need help quick - 2000 vs 99 injectors
  199. the STS almost doesnt start...any ideas?
  200. P0171 - P0174
  201. Doing First Tune Up
  202. Transmission service at the dealer?
  203. best choice?
  204. CAT = good and ?
  205. 4 cylinder Northstar - 97 DeVille
  206. RWD N* Project update
  207. 97 STS Cranks but doesn't start - error codes
  208. small tweaks that help or not?
  209. Running ragged p0300....
  210. 97 Deville - Sensor trouble, Running poor
  211. bad dealer
  212. No pressure on hoses
  213. Test for cam position sensors 98+?
  214. stuck at this part
  215. 96 SLS sometimes hard to start
  216. low (or no) oil pressure
  217. 94 Seville not starting
  218. drag strip times
  219. Coil Packs
  220. Rattling catalytic converter on n*
  221. Rear Speed Sensors Disconnected... On Purpose?
  222. N* ring end gap?
  223. 97 deville p420 code
  224. GOT CODES? I DO & IT SUCKS!!
  225. 2000 dhs plugs
  226. cooling fans
  227. Plugs/Wires check! EGR check! Phenolic plates???
  228. mud like residue in surge tank....
  229. seafoam
  230. idle? and mpg?
  231. northstar turbo
  232. '99 STS Temperature Problem ?
  233. No pressure in expansion tank
  234. Spark plug torque N*
  235. what hose do you drain coolant from? top or bottom?
  236. Changing Throttle bodies on my N*? Proceedure!
  237. how much dex cool and distilled water?
  238. 05 STS V8 Oil filter
  239. Best Oil Change Chain?
  240. engine managament/swap in jeep
  241. Forged crankshaft for N*
  242. Need "New" Northstar
  243. LT5 Vs Early Northstar
  244. 96 SLS Electrical Problems?
  245. Headgaskets?
  246. Twin Turbo or Supercharged...
  247. Mobil 5000, Conventional Oil?
  248. How to pull this out ?
  249. Oil leak!
  250. Rebuild bearings