: Northstar Engines and System Technical Discussion



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  1. A helicopter powered by...Northstar engine
  2. A guy with TWO N* engines in his Caddy...The TwinStar
  3. A guy with a turbocharged Northstar powered Fiero...
  4. Found: Northstar Engine Info:
  5. Hi, new here with q on a 99 Eld.
  6. Running Rich?????
  7. Spark Plug Replacement
  8. Cooling System Hoses
  9. 95 STS Crank sensor,location ??? help
  10. engine braking a la overrun clutch
  11. Best Price/ Dealer for Time-serts?
  12. Looking for Northstar Parts!
  13. accuracy of temp sensor???? please help
  14. Oil Seal Tool ?
  15. Help need info.
  16. 94 Caddy Concours Tranny/Linkage?
  17. Need help with '94 STS codes
  18. P022 code TPS open
  19. where can i buy rear control arm bushings?
  20. Replacing Timeserts in 96 Eldorado
  21. N* hp over the years...
  22. Installing Oil Pressure Gauge???
  23. 97 Deville ran 278 Degrees..any chance i did not blow the heads?"
  24. 97 DeVille Concours still runnin hot
  25. HELP! Need serpentine belt diagram
  26. Vacuum pressure
  27. old engine, bad engine?
  28. 95 Cadillac Seville Northstar 4.6 V8 Swap...
  29. P0609 - help
  30. Shift Solenoids A & B, Need some Help!
  31. What do these codes mean in plain english ?
  32. N* performance help
  33. Northstar stud problem
  34. Noisy Northstar
  35. northstar swap?
  36. Transmission NIGHTMARE
  37. '94 SLS, 4.6L, how do you set the cam alignment?
  38. 1993 Eldo...ALL THE OIL CAME OUT
  39. what engine years will fit my 94 sls?
  40. A question on diagnostic codes
  41. tires for 99 STS??
  42. taking off oil pan?
  43. Update on PCM gone Loco
  44. Overheating: correct diagnostics
  45. N* Power Steering Pump Pressurizing
  46. 95 Northstart Leaking Coolant
  47. What next? PCM shot or something I'm missing? Please help.
  48. Oil Pressure Drop on V8 NS
  49. looking for some new ideas and help with northstar motor
  50. Backfire and smoke under the Hood
  51. Northstar/HotRod/Blower
  52. 1996 ESC 40K, Does Trans-fluid need changing?
  53. Help Needed - 95 SLS Stalls then won't idle or Revs Like Crazy! Lots of codes!
  54. Code Question for a 2000 deville north*.
  55. Can I swap an 02 N*into my 98 STS?
  56. Sorry Caddy Dudes!
  57. 97 N* low oil pressure light flickering
  58. 1996 Northstar Excess Fuel Consumption
  59. 94 SLS questions
  60. Northstar Swap question
  61. Can someone tell me what these codes mean?
  62. p076 presure solenoid problem
  63. northstar oil consumtion
  64. Compass reads incorrect sometimes?
  65. "Normal" Northstar Coolant Operating Temp?
  66. 1999 Deville trouble codes
  67. 97 STS Code Info U1027
  68. supercharger for the Northstar
  69. Radiator leak...how much $$$?
  70. '94 SLS Head bolt Torque value?
  71. stalling
  72. 4T80E shift algorhythm logic -- what are the facts?
  73. Oil Leak
  74. Overfill oil in northstar, keep reading bad stuff
  75. Changed starter, now very hard start, run, white smoke.
  76. '94 STS rattle
  77. '94 SLS smoking bad
  78. Bad idle and deacceleration
  79. '94 DeVille Concours North*
  80. Factory air intake box question
  81. Stop Engine Low Oil Presssure
  82. Northstar losing oil
  83. Pcm Gone Loco?
  84. Concours '94 Problem
  85. P 025 code - 1995 STS
  86. Headgasket/temperatute swings
  87. Help with ACM codes please.
  88. Can a headgasket happen even with frequent coolant changes & if it never overheated?
  89. Exhaust manifold on N* 4.6
  90. Ect???
  91. 95 SLS Ruff Start (metal on metal)
  92. Gas Pedal Tapping When Engine Shut's Off
  93. 1995 Eldorado Northstar Engine Skips
  94. 99SLS Ruff idle when started
  95. 94 sts spark Plugs
  96. Shift Solenoid Problem help!!!!
  97. Would Magnaflows help MPG?
  98. Intake manifold gasket replacement...special tool?
  99. Factory Service Manual
  100. Oil change at 3K or when oil life=10%?
  101. blown head gasket
  102. Oil Life Monitor
  103. 95 NS chip burner
  104. If anyone needs a N* Deville & Protection
  105. Northstar overheating!
  106. 94 Seville STS service
  107. N* Headbolt Torque
  108. Quick code help please
  109. 97 n* rough idle
  110. Cylinder pressure test unsuccessful-missing something?
  111. O2 Sensors for 97 STS
  112. temp for n*
  113. Drumming up support...
  114. mechanic recommends oil additive
  115. How to turn engine to TDC w/ plugs out
  116. 1994 Concours exhaust diameter
  117. misfires @ idle & WOT, no codes
  118. Why Does My Engine Shift very Hard when hot? (No Codes)
  119. Raring to go
  120. NorthStar Oil leak
  121. How to air pressure test cylinder?
  122. 4t80e no codes, limp mode
  123. Where can i find a cheap N*
  124. Sounds that a N* engine bay should make
  125. Slight Fuel smell on startup.
  126. Need TSB 3179 and info on Service PROM
  127. intermittent chirping under the hood, at poweroff...
  128. N* Headbolt Torque Protocol
  129. life of Northstar?
  130. plug the plug or leave it open
  131. WTF Belt tensionner squeel?!?
  132. I Have a Question about my transmission fluid?
  133. Flush/Drain Coolant
  134. Cooling/overheating issue
  135. Code p1189 ????
  136. 97' DeVille Northstar overheating
  137. So, how did N* ended up in a Cadillac's engine bay?
  138. My Exhaust sound...Listen!
  139. Whos idea was it to mount the N* sideways?
  140. 97 deville trouble code help me
  141. Digital MPG read outs
  142. exhaust volume
  143. '01 STS Piston and Ring Replacement
  144. This is a long-shot, just maybe...
  145. A/C issue!!!! again
  146. Turbonator, Tornado????
  147. 96 Deville T.b. And Egr Cleaning
  148. If anyone is interested in buying an Engine
  149. Catalyst melted. Why?
  150. random spring & washer after oil change.
  151. 96 Concours Northstar W/PC0240 Code
  152. New Cluster - Help
  153. Northstar Transplant?
  154. 360 HP reman N*....BBob what's your take?
  155. Gasket blown - other work while there?
  156. Northstar threw a rod, hole in lower block. Rebuildable?
  157. Help
  158. Northstar drinking coolant - need advice
  159. Blown NorthStar
  160. Remove N* eng from top or Pwrtrn out Btm?
  161. car stalls at light ?
  162. So what's wrong with FWD?
  163. Performace Module???
  164. Thud, Clunk, Bang When shifting from Drive to Reverse or From Reverse to Drive
  165. Cam Position Sensor
  166. Dammm
  167. O2 sensor Question - bboby?
  168. 98 northstar cooling system
  169. 94 Sts A/c Problems Need Help
  170. 97 Deville. P0131 - what does this tell the computere
  171. Kicking coolant out the overflow hose on the surge tank
  172. No coolant supplement pellets available here.
  173. pan seal ??????
  174. Case 1/2 seal Question
  175. 94 Concours Need Help Big Time
  176. 97 Aurora with Northstar engine..Head gasket problem!
  177. transient powertrain "slack" when engaging??
  178. road trip spec's
  179. SELLING my Cadillac Deville DTS ------
  180. new head gasket sealant and bolt sealant
  181. CHANGE OIL message after new WATER PUMP installed
  182. would WOT's get rid of this code?
  183. Midthrottle surge...
  184. schematics 95 SLS water pump
  185. Dead Eldorado
  186. question about mixing of octane at the pump
  187. Using 20w50 oil in N* 99STS
  188. Need help quick - 2000 vs 99 injectors
  189. the STS almost doesnt start...any ideas?
  190. P0171 - P0174
  191. Doing First Tune Up
  192. Transmission service at the dealer?
  193. best choice?
  194. CAT = good and ?
  195. 4 cylinder Northstar - 97 DeVille
  196. RWD N* Project update
  197. 97 STS Cranks but doesn't start - error codes
  198. small tweaks that help or not?
  199. Running ragged p0300....
  200. 97 Deville - Sensor trouble, Running poor
  201. bad dealer
  202. No pressure on hoses
  203. Test for cam position sensors 98+?
  204. stuck at this part
  205. 96 SLS sometimes hard to start
  206. low (or no) oil pressure
  207. 94 Seville not starting
  208. drag strip times
  209. Coil Packs
  210. Rattling catalytic converter on n*
  211. Rear Speed Sensors Disconnected... On Purpose?
  212. N* ring end gap?
  213. 97 deville p420 code
  214. GOT CODES? I DO & IT SUCKS!!
  215. 2000 dhs plugs
  216. cooling fans
  217. Plugs/Wires check! EGR check! Phenolic plates???
  218. mud like residue in surge tank....
  219. seafoam
  220. idle? and mpg?
  221. northstar turbo
  222. '99 STS Temperature Problem ?
  223. No pressure in expansion tank
  224. Spark plug torque N*
  225. what hose do you drain coolant from? top or bottom?
  226. Changing Throttle bodies on my N*? Proceedure!
  227. how much dex cool and distilled water?
  228. 05 STS V8 Oil filter
  229. Best Oil Change Chain?
  230. engine managament/swap in jeep
  231. Forged crankshaft for N*
  232. Need "New" Northstar
  233. LT5 Vs Early Northstar
  234. 96 SLS Electrical Problems?
  235. Headgaskets?
  236. Twin Turbo or Supercharged...
  237. Mobil 5000, Conventional Oil?
  238. How to pull this out ?
  239. Oil leak!
  240. Rebuild bearings
  241. Engine Surge/Hesitate
  242. 2000 STS Spark Plug Thread Repair
  243. Hey BBOB (and others), was the LT1 ever considered
  244. oil change for 2001 cadi deville
  245. Phenolic Spacer Plates
  246. Cranks 5-10 seconds now, what's up?
  247. 96 STS N* squeaky pulley!?!?
  248. Spark Plug Question
  249. Fuel Pressure Check...
  250. Water Pump Tool?