: Northstar Engines and System Technical Discussion



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